cmd/tailscale: add --json-docs flag

This prints all command and flag docs as JSON. To be used for generating
the contents of https://tailscale.com/kb/1080/cli.

Updates https://github.com/tailscale/tailscale-www/issues/4722

.github/workflows/checklocks.yml

@@ -24,5 +24,11 @@ jobs:
         run: ./tool/go build -o /tmp/checklocks gvisor.dev/gvisor/tools/checklocks/cmd/checklocks
 
       - name: Run checklocks vet
-        # TODO: remove || true once we have applied checklocks annotations everywhere.
-        run: ./tool/go vet -vettool=/tmp/checklocks ./... || true
+        # TODO(#12625): add more packages as we add annotations
+        run: |-
+          ./tool/go vet -vettool=/tmp/checklocks \
+            ./envknob           \
+            ./ipn/store/mem     \
+            ./net/stun/stuntest \
+            ./net/wsconn        \
+            ./proxymap

.github/workflows/installer.yml

@@ -67,6 +67,11 @@ jobs:
       image: ${{ matrix.image }}
       options: --user root
     steps:
+    - name: install dependencies (pacman)
+      # Refresh the package databases to ensure that the tailscale package is
+      # defined.
+      run: pacman -Sy
+      if: contains(matrix.image, 'archlinux')
     - name: install dependencies (yum)
       # tar and gzip are needed by the actions/checkout below.
       run: yum install -y --allowerasing tar gzip ${{ matrix.deps }}

Dockerfile

@@ -1,17 +1,13 @@
 # Copyright (c) Tailscale Inc & AUTHORS
 # SPDX-License-Identifier: BSD-3-Clause
 
-############################################################################
+# Note that this Dockerfile is currently NOT used to build any of the published
+# Tailscale container images and may have drifted from the image build mechanism
+# we use.
+# Tailscale images are currently built using https://github.com/tailscale/mkctr,
+# and the build script can be found in ./build_docker.sh.
 #
-# WARNING: Tailscale is not yet officially supported in container
-# environments, such as Docker and Kubernetes. Though it should work, we
-# don't regularly test it, and we know there are some feature limitations.
 #
-# See current bugs tagged "containers":
-#    https://github.com/tailscale/tailscale/labels/containers
-#
-############################################################################
-
 # This Dockerfile includes all the tailscale binaries.
 #
 # To build the Dockerfile:

Makefile

@@ -21,6 +21,7 @@ updatedeps: ## Update depaware deps
 		tailscale.com/cmd/tailscaled \
 		tailscale.com/cmd/tailscale \
 		tailscale.com/cmd/derper \
+		tailscale.com/cmd/k8s-operator \
 		tailscale.com/cmd/stund
 
 depaware: ## Run depaware checks
@@ -30,6 +31,7 @@ depaware: ## Run depaware checks
 		tailscale.com/cmd/tailscaled \
 		tailscale.com/cmd/tailscale \
 		tailscale.com/cmd/derper \
+		tailscale.com/cmd/k8s-operator \
 		tailscale.com/cmd/stund
 
 buildwindows: ## Build tailscale CLI for windows/amd64

VERSION.txt

@@ -1 +1 @@
-1.69.0
+1.71.0

api.md

@@ -1,3 +1,6 @@
+> [!IMPORTANT]
+> The Tailscale API documentation has moved to https://tailscale.com/api
+
 # Tailscale API
 
 The Tailscale API documentation is located in **[tailscale/publicapi](./publicapi/readme.md#tailscale-api)**.

appc/appconnector.go

@@ -11,6 +11,7 @@ package appc
 
 import (
 	"context"
+	"fmt"
 	"net/netip"
 	"slices"
 	"strings"
@@ -21,6 +22,7 @@ import (
 	"golang.org/x/net/dns/dnsmessage"
 	"tailscale.com/types/logger"
 	"tailscale.com/types/views"
+	"tailscale.com/util/clientmetric"
 	"tailscale.com/util/dnsname"
 	"tailscale.com/util/execqueue"
 	"tailscale.com/util/mak"
@@ -78,6 +80,42 @@ type RouteAdvertiser interface {
 	UnadvertiseRoute(...netip.Prefix) error
 }
 
+var (
+	metricStoreRoutesRateBuckets = []int64{1, 2, 3, 4, 5, 10, 100, 1000}
+	metricStoreRoutesNBuckets    = []int64{1, 2, 3, 4, 5, 10, 100, 1000, 10000}
+	metricStoreRoutesRate        []*clientmetric.Metric
+	metricStoreRoutesN           []*clientmetric.Metric
+)
+
+func initMetricStoreRoutes() {
+	for _, n := range metricStoreRoutesRateBuckets {
+		metricStoreRoutesRate = append(metricStoreRoutesRate, clientmetric.NewCounter(fmt.Sprintf("appc_store_routes_rate_%d", n)))
+	}
+	metricStoreRoutesRate = append(metricStoreRoutesRate, clientmetric.NewCounter("appc_store_routes_rate_over"))
+	for _, n := range metricStoreRoutesNBuckets {
+		metricStoreRoutesN = append(metricStoreRoutesN, clientmetric.NewCounter(fmt.Sprintf("appc_store_routes_n_routes_%d", n)))
+	}
+	metricStoreRoutesN = append(metricStoreRoutesN, clientmetric.NewCounter("appc_store_routes_n_routes_over"))
+}
+
+func recordMetric(val int64, buckets []int64, metrics []*clientmetric.Metric) {
+	if len(buckets) < 1 {
+		return
+	}
+	// finds the first bucket where val <=, or len(buckets) if none match
+	// for bucket values of 1, 10, 100; 0-1 goes to [0], 2-10 goes to [1], 11-100 goes to [2], 101+ goes to [3]
+	bucket, _ := slices.BinarySearch(buckets, val)
+	metrics[bucket].Add(1)
+}
+
+func metricStoreRoutes(rate, nRoutes int64) {
+	if len(metricStoreRoutesRate) == 0 {
+		initMetricStoreRoutes()
+	}
+	recordMetric(rate, metricStoreRoutesRateBuckets, metricStoreRoutesRate)
+	recordMetric(nRoutes, metricStoreRoutesNBuckets, metricStoreRoutesN)
+}
+
 // RouteInfo is a data structure used to persist the in memory state of an AppConnector
 // so that we can know, even after a restart, which routes came from ACLs and which were
 // learned from domains.
@@ -141,6 +179,7 @@ func NewAppConnector(logf logger.Logf, routeAdvertiser RouteAdvertiser, routeInf
 	}
 	ac.writeRateMinute = newRateLogger(time.Now, time.Minute, func(c int64, s time.Time, l int64) {
 		ac.logf("routeInfo write rate: %d in minute starting at %v (%d routes)", c, s, l)
+		metricStoreRoutes(c, l)
 	})
 	ac.writeRateDay = newRateLogger(time.Now, 24*time.Hour, func(c int64, s time.Time, l int64) {
 		ac.logf("routeInfo write rate: %d in 24 hours starting at %v (%d routes)", c, s, l)
@@ -442,8 +481,10 @@ func (e *AppConnector) ObserveDNSResponse(res []byte) {
 			}
 		}
 
-		e.logf("[v2] observed new routes for %s: %s", domain, toAdvertise)
-		e.scheduleAdvertisement(domain, toAdvertise...)
+		if len(toAdvertise) > 0 {
+			e.logf("[v2] observed new routes for %s: %s", domain, toAdvertise)
+			e.scheduleAdvertisement(domain, toAdvertise...)
+		}
 	}
 }
 

appc/appconnector_test.go

@@ -15,6 +15,7 @@ import (
 	"golang.org/x/net/dns/dnsmessage"
 	"tailscale.com/appc/appctest"
 	"tailscale.com/tstest"
+	"tailscale.com/util/clientmetric"
 	"tailscale.com/util/mak"
 	"tailscale.com/util/must"
 )
@@ -569,3 +570,35 @@ func TestRateLogger(t *testing.T) {
 		t.Fatalf("wasCalled: got false, want true")
 	}
 }
+
+func TestRouteStoreMetrics(t *testing.T) {
+	metricStoreRoutes(1, 1)
+	metricStoreRoutes(1, 1)         // the 1 buckets value should be 2
+	metricStoreRoutes(5, 5)         // the 5 buckets value should be 1
+	metricStoreRoutes(6, 6)         // the 10 buckets value should be 1
+	metricStoreRoutes(10001, 10001) // the over buckets value should be 1
+	wanted := map[string]int64{
+		"appc_store_routes_n_routes_1":    2,
+		"appc_store_routes_rate_1":        2,
+		"appc_store_routes_n_routes_5":    1,
+		"appc_store_routes_rate_5":        1,
+		"appc_store_routes_n_routes_10":   1,
+		"appc_store_routes_rate_10":       1,
+		"appc_store_routes_n_routes_over": 1,
+		"appc_store_routes_rate_over":     1,
+	}
+	for _, x := range clientmetric.Metrics() {
+		if x.Value() != wanted[x.Name()] {
+			t.Errorf("%s: want: %d, got: %d", x.Name(), wanted[x.Name()], x.Value())
+		}
+	}
+}
+
+func TestMetricBucketsAreSorted(t *testing.T) {
+	if !slices.IsSorted(metricStoreRoutesRateBuckets) {
+		t.Errorf("metricStoreRoutesRateBuckets must be in order")
+	}
+	if !slices.IsSorted(metricStoreRoutesNBuckets) {
+		t.Errorf("metricStoreRoutesNBuckets must be in order")
+	}
+}

appc/appctest/appctest.go

@@ -1,6 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
+// Package appctest contains code to help test App Connectors.
 package appctest
 
 import (

build_docker.sh

@@ -1,21 +1,11 @@
 #!/usr/bin/env sh
-
 #
-# Runs `go build` with flags configured for docker distribution. All
-# it does differently from `go build` is burn git commit and version
-# information into the binaries inside docker, so that we can track down user
-# issues.
-#
-############################################################################
-#
-# WARNING: Tailscale is not yet officially supported in container
-# environments, such as Docker and Kubernetes. Though it should work, we
-# don't regularly test it, and we know there are some feature limitations.
-#
-# See current bugs tagged "containers":
-#    https://github.com/tailscale/tailscale/labels/containers
-#
-############################################################################
+# This script builds Tailscale container images using
+# github.com/tailscale/mkctr.
+# By default the images will be tagged with the current version and git
+# hash of this repository as produced by ./cmd/mkversion.
+# This is the image build mechanim used to build the official Tailscale
+# container images.
 
 set -eu
 
@@ -49,7 +39,7 @@ case "$TARGET" in
         -X tailscale.com/version.gitCommitStamp=${VERSION_GIT_HASH}" \
       --base="${BASE}" \
       --tags="${TAGS}" \
-      --gotags="ts_kube" \
+      --gotags="ts_kube,ts_package_container" \
       --repos="${REPOS}" \
       --push="${PUSH}" \
       --target="${PLATFORM}" \

client/tailscale/acl.go

@@ -37,6 +37,16 @@ type ACLTest struct {
 	Allow []string `json:"allow,omitempty"` // old name for accept
 }
 
+// NodeAttrGrant defines additional string attributes that apply to specific devices.
+type NodeAttrGrant struct {
+	// Target specifies which nodes the attributes apply to. The nodes can be a
+	// tag (tag:server), user (alice@example.com), group (group:kids), or *.
+	Target []string `json:"target,omitempty"`
+
+	// Attr are the attributes to set on Target(s).
+	Attr []string `json:"attr,omitempty"`
+}
+
 // ACLDetails contains all the details for an ACL.
 type ACLDetails struct {
 	Tests     []ACLTest           `json:"tests,omitempty"`
@@ -44,6 +54,7 @@ type ACLDetails struct {
 	Groups    map[string][]string `json:"groups,omitempty"`
 	TagOwners map[string][]string `json:"tagowners,omitempty"`
 	Hosts     map[string]string   `json:"hosts,omitempty"`
+	NodeAttrs []NodeAttrGrant     `json:"nodeAttrs,omitempty"`
 }
 
 // ACL contains an ACLDetails and metadata.
@@ -150,7 +161,12 @@ func (c *Client) ACLHuJSON(ctx context.Context) (acl *ACLHuJSON, err error) {
 // ACLTestFailureSummary specifies the JSON format sent to the
 // JavaScript client to be rendered in the HTML.
 type ACLTestFailureSummary struct {
-	User     string   `json:"user,omitempty"`
+	// User is the source ("src") value of the ACL test that failed.
+	// The name "user" is a legacy holdover from the original naming and
+	// is kept for compatibility but it may also contain any value
+	// that's valid in a ACL test "src" field.
+	User string `json:"user,omitempty"`
+
 	Errors   []string `json:"errors,omitempty"`
 	Warnings []string `json:"warnings,omitempty"`
 }

client/tailscale/localclient.go

@@ -103,7 +103,7 @@ func (lc *LocalClient) defaultDialer(ctx context.Context, network, addr string)
 			return d.DialContext(ctx, "tcp", "127.0.0.1:"+strconv.Itoa(port))
 		}
 	}
-	return safesocket.Connect(lc.socket())
+	return safesocket.ConnectContext(ctx, lc.socket())
 }
 
 // DoLocalRequest makes an HTTP request to the local machine's Tailscale daemon.
@@ -933,7 +933,20 @@ func CertPair(ctx context.Context, domain string) (certPEM, keyPEM []byte, err e
 //
 // API maturity: this is considered a stable API.
 func (lc *LocalClient) CertPair(ctx context.Context, domain string) (certPEM, keyPEM []byte, err error) {
-	res, err := lc.send(ctx, "GET", "/localapi/v0/cert/"+domain+"?type=pair", 200, nil)
+	return lc.CertPairWithValidity(ctx, domain, 0)
+}
+
+// CertPairWithValidity returns a cert and private key for the provided DNS
+// domain.
+//
+// It returns a cached certificate from disk if it's still valid.
+// When minValidity is non-zero, the returned certificate will be valid for at
+// least the given duration, if permitted by the CA. If the certificate is
+// valid, but for less than minValidity, it will be synchronously renewed.
+//
+// API maturity: this is considered a stable API.
+func (lc *LocalClient) CertPairWithValidity(ctx context.Context, domain string, minValidity time.Duration) (certPEM, keyPEM []byte, err error) {
+	res, err := lc.send(ctx, "GET", fmt.Sprintf("/localapi/v0/cert/%s?type=pair&min_validity=%s", domain, minValidity), 200, nil)
 	if err != nil {
 		return nil, nil, err
 	}

client/web/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.1",
   "license": "BSD-3-Clause",
   "engines": {
-    "node": "18.16.1",
+    "node": "18.20.4",
     "yarn": "1.22.19"
   },
   "type": "module",

clientupdate/clientupdate.go

@@ -248,6 +248,11 @@ func (up *Updater) getUpdateFunction() (fn updateFunction, canAutoUpdate bool) {
 // CanAutoUpdate reports whether auto-updating via the clientupdate package
 // is supported for the current os/distro.
 func CanAutoUpdate() bool {
+	if version.IsMacSysExt() {
+		// Macsys uses Sparkle for auto-updates, which doesn't have an update
+		// function in this package.
+		return true
+	}
 	_, canAutoUpdate := (&Updater{}).getUpdateFunction()
 	return canAutoUpdate
 }

cmd/cloner/cloner.go

@@ -78,7 +78,11 @@ func main() {
 		w("	return false")
 		w("}")
 	}
-	cloneOutput := pkg.Name + "_clone.go"
+	cloneOutput := pkg.Name + "_clone"
+	if *flagBuildTags == "test" {
+		cloneOutput += "_test"
+	}
+	cloneOutput += ".go"
 	if err := codegen.WritePackageFile("tailscale.com/cmd/cloner", pkg, cloneOutput, it, buf); err != nil {
 		log.Fatal(err)
 	}
@@ -91,16 +95,19 @@ func gen(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named) {
 	}
 
 	name := typ.Obj().Name()
+	typeParams := typ.Origin().TypeParams()
+	_, typeParamNames := codegen.FormatTypeParams(typeParams, it)
+	nameWithParams := name + typeParamNames
 	fmt.Fprintf(buf, "// Clone makes a deep copy of %s.\n", name)
 	fmt.Fprintf(buf, "// The result aliases no memory with the original.\n")
-	fmt.Fprintf(buf, "func (src *%s) Clone() *%s {\n", name, name)
+	fmt.Fprintf(buf, "func (src *%s) Clone() *%s {\n", nameWithParams, nameWithParams)
 	writef := func(format string, args ...any) {
 		fmt.Fprintf(buf, "\t"+format+"\n", args...)
 	}
 	writef("if src == nil {")
 	writef("\treturn nil")
 	writef("}")
-	writef("dst := new(%s)", name)
+	writef("dst := new(%s)", nameWithParams)
 	writef("*dst = *src")
 	for i := range t.NumFields() {
 		fname := t.Field(i).Name()
@@ -126,16 +133,23 @@ func gen(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named) {
 				writef("dst.%s = make([]%s, len(src.%s))", fname, n, fname)
 				writef("for i := range dst.%s {", fname)
 				if ptr, isPtr := ft.Elem().(*types.Pointer); isPtr {
-					if _, isBasic := ptr.Elem().Underlying().(*types.Basic); isBasic {
-						it.Import("tailscale.com/types/ptr")
-						writef("if src.%s[i] == nil { dst.%s[i] = nil } else {", fname, fname)
-						writef("\tdst.%s[i] = ptr.To(*src.%s[i])", fname, fname)
-						writef("}")
+					writef("if src.%s[i] == nil { dst.%s[i] = nil } else {", fname, fname)
+					if codegen.ContainsPointers(ptr.Elem()) {
+						if _, isIface := ptr.Elem().Underlying().(*types.Interface); isIface {
+							it.Import("tailscale.com/types/ptr")
+							writef("\tdst.%s[i] = ptr.To((*src.%s[i]).Clone())", fname, fname)
+						} else {
+							writef("\tdst.%s[i] = src.%s[i].Clone()", fname, fname)
+						}
 					} else {
-						writef("\tdst.%s[i] = src.%s[i].Clone()", fname, fname)
+						it.Import("tailscale.com/types/ptr")
+						writef("\tdst.%s[i] = ptr.To(*src.%s[i])", fname, fname)
 					}
+					writef("}")
 				} else if ft.Elem().String() == "encoding/json.RawMessage" {
 					writef("\tdst.%s[i] = append(src.%s[i][:0:0], src.%s[i]...)", fname, fname, fname)
+				} else if _, isIface := ft.Elem().Underlying().(*types.Interface); isIface {
+					writef("\tdst.%s[i] = src.%s[i].Clone()", fname, fname)
 				} else {
 					writef("\tdst.%s[i] = *src.%s[i].Clone()", fname, fname)
 				}
@@ -145,14 +159,19 @@ func gen(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named) {
 				writef("dst.%s = append(src.%s[:0:0], src.%s...)", fname, fname, fname)
 			}
 		case *types.Pointer:
-			if named, _ := ft.Elem().(*types.Named); named != nil && codegen.ContainsPointers(ft.Elem()) {
+			base := ft.Elem()
+			hasPtrs := codegen.ContainsPointers(base)
+			if named, _ := base.(*types.Named); named != nil && hasPtrs {
 				writef("dst.%s = src.%s.Clone()", fname, fname)
 				continue
 			}
 			it.Import("tailscale.com/types/ptr")
 			writef("if dst.%s != nil {", fname)
-			writef("\tdst.%s = ptr.To(*src.%s)", fname, fname)
-			if codegen.ContainsPointers(ft.Elem()) {
+			if _, isIface := base.Underlying().(*types.Interface); isIface && hasPtrs {
+				writef("\tdst.%s = ptr.To((*src.%s).Clone())", fname, fname)
+			} else if !hasPtrs {
+				writef("\tdst.%s = ptr.To(*src.%s)", fname, fname)
+			} else {
 				writef("\t" + `panic("TODO pointers in pointers")`)
 			}
 			writef("}")
@@ -172,18 +191,50 @@ func gen(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named) {
 				writef("if dst.%s != nil {", fname)
 				writef("\tdst.%s = map[%s]%s{}", fname, it.QualifiedName(ft.Key()), it.QualifiedName(elem))
 				writef("\tfor k, v := range src.%s {", fname)
-				switch elem.(type) {
+
+				switch elem := elem.Underlying().(type) {
 				case *types.Pointer:
-					writef("\t\tdst.%s[k] = v.Clone()", fname)
+					writef("\t\tif v == nil { dst.%s[k] = nil } else {", fname)
+					if base := elem.Elem().Underlying(); codegen.ContainsPointers(base) {
+						if _, isIface := base.(*types.Interface); isIface {
+							it.Import("tailscale.com/types/ptr")
+							writef("\t\t\tdst.%s[k] = ptr.To((*v).Clone())", fname)
+						} else {
+							writef("\t\t\tdst.%s[k] = v.Clone()", fname)
+						}
+					} else {
+						it.Import("tailscale.com/types/ptr")
+						writef("\t\t\tdst.%s[k] = ptr.To(*v)", fname)
+					}
+					writef("}")
+				case *types.Interface:
+					if cloneResultType := methodResultType(elem, "Clone"); cloneResultType != nil {
+						if _, isPtr := cloneResultType.(*types.Pointer); isPtr {
+							writef("\t\tdst.%s[k] = *(v.Clone())", fname)
+						} else {
+							writef("\t\tdst.%s[k] = v.Clone()", fname)
+						}
+					} else {
+						writef(`panic("%s (%v) does not have a Clone method")`, fname, elem)
+					}
 				default:
 					writef("\t\tdst.%s[k] = *(v.Clone())", fname)
 				}
+
 				writef("\t}")
 				writef("}")
 			} else {
 				it.Import("maps")
 				writef("\tdst.%s = maps.Clone(src.%s)", fname, fname)
 			}
+		case *types.Interface:
+			// If ft is an interface with a "Clone() ft" method, it can be used to clone the field.
+			// This includes scenarios where ft is a constrained type parameter.
+			if cloneResultType := methodResultType(ft, "Clone"); cloneResultType.Underlying() == ft {
+				writef("dst.%s = src.%s.Clone()", fname, fname)
+				continue
+			}
+			writef(`panic("%s (%v) does not have a compatible Clone method")`, fname, ft)
 		default:
 			writef(`panic("TODO: %s (%T)")`, fname, ft)
 		}
@@ -191,7 +242,7 @@ func gen(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named) {
 	writef("return dst")
 	fmt.Fprintf(buf, "}\n\n")
 
-	buf.Write(codegen.AssertStructUnchanged(t, name, "Clone", it))
+	buf.Write(codegen.AssertStructUnchanged(t, name, typeParams, "Clone", it))
 }
 
 // hasBasicUnderlying reports true when typ.Underlying() is a slice or a map.
@@ -203,3 +254,15 @@ func hasBasicUnderlying(typ types.Type) bool {
 		return false
 	}
 }
+
+func methodResultType(typ types.Type, method string) types.Type {
+	viewMethod := codegen.LookupMethod(typ, method)
+	if viewMethod == nil {
+		return nil
+	}
+	sig, ok := viewMethod.Type().(*types.Signature)
+	if !ok || sig.Results().Len() != 1 {
+		return nil
+	}
+	return sig.Results().At(0).Type()
+}

cmd/cloner/clonerex/clonerex.go

@@ -3,6 +3,7 @@
 
 //go:generate go run tailscale.com/cmd/cloner  -clonefunc=true -type SliceContainer
 
+// Package clonerex is an example package for the cloner tool.
 package clonerex
 
 type SliceContainer struct {

cmd/containerboot/main.go

@@ -476,18 +476,20 @@ runLoop:
 					newCurentEgressIPs = deephash.Hash(&egressAddrs)
 					egressIPsHaveChanged = newCurentEgressIPs != currentEgressIPs
 					if egressIPsHaveChanged && len(egressAddrs) != 0 {
+						var rulesInstalled bool
 						for _, egressAddr := range egressAddrs {
 							ea := egressAddr.Addr()
-							// TODO (irbekrm): make it work for IPv6 too.
-							if ea.Is6() {
-								log.Println("Not installing egress forwarding rules for IPv6 as this is currently not supported")
-								continue
-							}
-							log.Printf("Installing forwarding rules for destination %v", ea.String())
-							if err := installEgressForwardingRule(ctx, ea.String(), addrs, nfr); err != nil {
-								log.Fatalf("installing egress proxy rules for destination %s: %v", ea.String(), err)
+							if ea.Is4() || (ea.Is6() && nfr.HasIPV6NAT()) {
+								rulesInstalled = true
+								log.Printf("Installing forwarding rules for destination %v", ea.String())
+								if err := installEgressForwardingRule(ctx, ea.String(), addrs, nfr); err != nil {
+									log.Fatalf("installing egress proxy rules for destination %s: %v", ea.String(), err)
+								}
 							}
 						}
+						if !rulesInstalled {
+							log.Fatalf("no forwarding rules for egress addresses %v, host supports IPv6: %v", egressAddrs, nfr.HasIPV6NAT())
+						}
 					}
 					currentEgressIPs = newCurentEgressIPs
 				}
@@ -941,7 +943,7 @@ func enableIPForwarding(v4Forwarding, v6Forwarding bool, root string) error {
 	return nil
 }
 
-func installEgressForwardingRule(ctx context.Context, dstStr string, tsIPs []netip.Prefix, nfr linuxfw.NetfilterRunner) error {
+func installEgressForwardingRule(_ context.Context, dstStr string, tsIPs []netip.Prefix, nfr linuxfw.NetfilterRunner) error {
 	dst, err := netip.ParseAddr(dstStr)
 	if err != nil {
 		return err

cmd/containerboot/main_test.go

@@ -52,7 +52,7 @@ func TestContainerBoot(t *testing.T) {
 	}
 	defer kube.Close()
 
-	tailscaledConf := &ipn.ConfigVAlpha{AuthKey: func(s string) *string { return &s }("foo"), Version: "alpha0"}
+	tailscaledConf := &ipn.ConfigVAlpha{AuthKey: ptr.To("foo"), Version: "alpha0"}
 	tailscaledConfBytes, err := json.Marshal(tailscaledConf)
 	if err != nil {
 		t.Fatalf("error unmarshaling tailscaled config: %v", err)
@@ -116,6 +116,9 @@ func TestContainerBoot(t *testing.T) {
 		// WantFiles files that should exist in the container and their
 		// contents.
 		WantFiles map[string]string
+		// WantFatalLog is the fatal log message we expect from containerboot.
+		// If set for a phase, the test will finish on that phase.
+		WantFatalLog string
 	}
 	runningNotify := &ipn.Notify{
 		State: ptr.To(ipn.Running),
@@ -349,12 +352,57 @@ func TestContainerBoot(t *testing.T) {
 						"/usr/bin/tailscaled --socket=/tmp/tailscaled.sock --state=mem: --statedir=/tmp",
 						"/usr/bin/tailscale --socket=/tmp/tailscaled.sock up --accept-dns=false --authkey=tskey-key",
 					},
+					WantFiles: map[string]string{
+						"proc/sys/net/ipv4/ip_forward":          "1",
+						"proc/sys/net/ipv6/conf/all/forwarding": "0",
+					},
 				},
 				{
 					Notify: runningNotify,
 				},
 			},
 		},
+		{
+			Name: "egress_proxy_fqdn_ipv6_target_on_ipv4_host",
+			Env: map[string]string{
+				"TS_AUTHKEY":               "tskey-key",
+				"TS_TAILNET_TARGET_FQDN":   "ipv6-node.test.ts.net", // resolves to IPv6 address
+				"TS_USERSPACE":             "false",
+				"TS_TEST_FAKE_NETFILTER_6": "false",
+			},
+			Phases: []phase{
+				{
+					WantCmds: []string{
+						"/usr/bin/tailscaled --socket=/tmp/tailscaled.sock --state=mem: --statedir=/tmp",
+						"/usr/bin/tailscale --socket=/tmp/tailscaled.sock up --accept-dns=false --authkey=tskey-key",
+					},
+					WantFiles: map[string]string{
+						"proc/sys/net/ipv4/ip_forward":          "1",
+						"proc/sys/net/ipv6/conf/all/forwarding": "0",
+					},
+				},
+				{
+					Notify: &ipn.Notify{
+						State: ptr.To(ipn.Running),
+						NetMap: &netmap.NetworkMap{
+							SelfNode: (&tailcfg.Node{
+								StableID:  tailcfg.StableNodeID("myID"),
+								Name:      "test-node.test.ts.net",
+								Addresses: []netip.Prefix{netip.MustParsePrefix("100.64.0.1/32")},
+							}).View(),
+							Peers: []tailcfg.NodeView{
+								(&tailcfg.Node{
+									StableID:  tailcfg.StableNodeID("ipv6ID"),
+									Name:      "ipv6-node.test.ts.net",
+									Addresses: []netip.Prefix{netip.MustParsePrefix("::1/128")},
+								}).View(),
+							},
+						},
+					},
+					WantFatalLog: "no forwarding rules for egress addresses [::1/128], host supports IPv6: false",
+				},
+			},
+		},
 		{
 			Name: "authkey_once",
 			Env: map[string]string{
@@ -697,6 +745,25 @@ func TestContainerBoot(t *testing.T) {
 			var wantCmds []string
 			for i, p := range test.Phases {
 				lapi.Notify(p.Notify)
+				if p.WantFatalLog != "" {
+					err := tstest.WaitFor(2*time.Second, func() error {
+						state, err := cmd.Process.Wait()
+						if err != nil {
+							return err
+						}
+						if state.ExitCode() != 1 {
+							return fmt.Errorf("process exited with code %d but wanted %d", state.ExitCode(), 1)
+						}
+						waitLogLine(t, time.Second, cbOut, p.WantFatalLog)
+						return nil
+					})
+					if err != nil {
+						t.Fatal(err)
+					}
+
+					// Early test return, we don't expect the successful startup log message.
+					return
+				}
 				wantCmds = append(wantCmds, p.WantCmds...)
 				waitArgs(t, 2*time.Second, d, argFile, strings.Join(wantCmds, "\n"))
 				err := tstest.WaitFor(2*time.Second, func() error {

cmd/derper/README.md

@@ -2,7 +2,8 @@
 
 This is the code for the [Tailscale DERP server](https://tailscale.com/kb/1232/derp-servers).
 
-In general, you should not need to nor want to run this code. The overwhelming majority of Tailscale users (both individuals and companies) do not.
+In general, you should not need to or want to run this code. The overwhelming
+majority of Tailscale users (both individuals and companies) do not.
 
 In the happy path, Tailscale establishes direct connections between peers and
 data plane traffic flows directly between them, without using DERP for more than
@@ -11,7 +12,7 @@ find yourself wanting DERP for more bandwidth, the real problem is usually the
 network configuration of your Tailscale node(s), making sure that Tailscale can
 get direction connections via some mechanism.
 
-But if you've decided or been advised to run your own `derper`, then read on.
+If you've decided or been advised to run your own `derper`, then read on.
 
 ## Caveats
 
@@ -28,7 +29,10 @@ But if you've decided or been advised to run your own `derper`, then read on.
 
 * You must build and update the `cmd/derper` binary yourself. There are no
   packages. Use `go install tailscale.com/cmd/derper@latest` with the latest
-  version of Go.
+  version of Go. You should update this binary approximately as regularly as
+  you update Tailscale nodes. If using `--verify-clients`, the `derper` binary
+  and `tailscaled` binary on the machine must be built from the same git revision.
+  (It might work otherwise, but they're developed and only tested together.)
 
 * The DERP protocol does a protocol switch inside TLS from HTTP to a custom
   bidirectional binary protocol. It is thus incompatible with many HTTP proxies.
@@ -55,7 +59,7 @@ rely on its DNS which might be broken and dependent on DERP to get back up.
 * Monitor your DERP servers with [`cmd/derpprobe`](../derpprobe/).
 
 * If using `--verify-clients`, a `tailscaled` must be running alongside the
-  `derper`.
+  `derper`, and all clients must be visible to the derper tailscaled in the ACL.
 
 * If using `--verify-clients`, a `tailscaled` must also be running alongside
   your `derpprobe`, and `derpprobe` needs to use `--derp-map=local`.
@@ -72,3 +76,34 @@ rely on its DNS which might be broken and dependent on DERP to get back up.
 * Don't rate-limit UDP STUN packets.
 
 * Don't rate-limit outbound TCP traffic (only inbound).
+
+## Diagnostics
+
+This is not a complete guide on DERP diagnostics.
+
+Running your own DERP services requires exeprtise in multi-layer network and
+application diagnostics. As the DERP runs multiple protocols at multiple layers
+and is not a regular HTTP(s) server you will need expertise in correlative
+analysis to diagnose the most tricky problems. There is no "plain text" or
+"open" mode of operation for DERP.
+
+* The debug handler is accessible at URL path `/debug/`. It is only accessible
+  over localhost or from a Tailscale IP address.
+
+* Go pprof can be accessed via the debug handler at `/debug/pprof/`
+
+* Prometheus compatible metrics can be gathered from the debug handler at
+  `/debug/varz`.
+
+* `cmd/stunc` in the Tailscale repository provides a basic tool for diagnosing
+  issues with STUN.
+
+* `cmd/derpprobe` provides a service for monitoring DERP cluster health.
+
+* `tailscale debug derp` and `tailscale netcheck` provide additional client
+  driven diagnostic information for DERP communications.
+
+* Tailscale logs may provide insight for certain problems, such as if DERPs are
+  unreachable or peers are regularly not reachable in their DERP home regions.
+  There are many possible misconfiguration causes for these problems, but
+  regular log entries are a good first indicator that there is a problem.

cmd/derper/depaware.txt

@@ -10,6 +10,12 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
    L    github.com/coreos/go-iptables/iptables                       from tailscale.com/util/linuxfw
    W 💣 github.com/dblohm7/wingoes                                   from tailscale.com/util/winutil
         github.com/fxamacker/cbor/v2                                 from tailscale.com/tka
+        github.com/go-json-experiment/json                           from tailscale.com/types/opt
+        github.com/go-json-experiment/json/internal                  from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonflags        from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonopts         from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonwire         from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/jsontext                  from github.com/go-json-experiment/json+
         github.com/golang/groupcache/lru                             from tailscale.com/net/dnscache
    L    github.com/google/nftables                                   from tailscale.com/util/linuxfw
    L 💣 github.com/google/nftables/alignedbuff                       from github.com/google/nftables/xt
@@ -99,7 +105,7 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
         tailscale.com/net/netaddr                                    from tailscale.com/ipn+
         tailscale.com/net/netknob                                    from tailscale.com/net/netns
      💣 tailscale.com/net/netmon                                     from tailscale.com/derp/derphttp+
-        tailscale.com/net/netns                                      from tailscale.com/derp/derphttp
+     💣 tailscale.com/net/netns                                      from tailscale.com/derp/derphttp
         tailscale.com/net/netutil                                    from tailscale.com/client/tailscale
         tailscale.com/net/sockstats                                  from tailscale.com/derp/derphttp
         tailscale.com/net/stun                                       from tailscale.com/net/stunserver
@@ -114,7 +120,7 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
         tailscale.com/syncs                                          from tailscale.com/cmd/derper+
         tailscale.com/tailcfg                                        from tailscale.com/client/tailscale+
         tailscale.com/tka                                            from tailscale.com/client/tailscale+
-   W    tailscale.com/tsconst                                        from tailscale.com/net/netmon
+   W    tailscale.com/tsconst                                        from tailscale.com/net/netmon+
         tailscale.com/tstime                                         from tailscale.com/derp+
         tailscale.com/tstime/mono                                    from tailscale.com/tstime/rate
         tailscale.com/tstime/rate                                    from tailscale.com/derp

cmd/derper/derper.go

@@ -2,6 +2,12 @@
 // SPDX-License-Identifier: BSD-3-Clause
 
 // The derper binary is a simple DERP server.
+//
+// For more information, see:
+//
+//   - About: https://tailscale.com/kb/1232/derp-servers
+//   - Protocol & Go docs: https://pkg.go.dev/tailscale.com/derp
+//   - Running a DERP server: https://github.com/tailscale/tailscale/tree/main/cmd/derper#derp
 package main // import "tailscale.com/cmd/derper"
 
 import (
@@ -22,6 +28,9 @@ import (
 	"os/signal"
 	"path/filepath"
 	"regexp"
+	"runtime"
+	runtimemetrics "runtime/metrics"
+	"strconv"
 	"strings"
 	"syscall"
 	"time"
@@ -206,11 +215,16 @@ func main() {
 		io.WriteString(w, `<html><body>
 <h1>DERP</h1>
 <p>
-  This is a
-  <a href="https://tailscale.com/">Tailscale</a>
-  <a href="https://pkg.go.dev/tailscale.com/derp">DERP</a>
-  server.
+  This is a <a href="https://tailscale.com/">Tailscale</a> DERP server.
 </p>
+<p>
+  Documentation:
+</p>
+<ul>
+  <li><a href="https://tailscale.com/kb/1232/derp-servers">About DERP</a></li>
+  <li><a href="https://pkg.go.dev/tailscale.com/derp">Protocol & Go docs</a></li>
+  <li><a href="https://github.com/tailscale/tailscale/tree/main/cmd/derper#derp">How to run a DERP server</a></li>
+</ul>
 `)
 		if !*runDERP {
 			io.WriteString(w, `<p>Status: <b>disabled</b></p>`)
@@ -236,6 +250,20 @@ func main() {
 		}
 	}))
 	debug.Handle("traffic", "Traffic check", http.HandlerFunc(s.ServeDebugTraffic))
+	debug.Handle("set-mutex-profile-fraction", "SetMutexProfileFraction", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		s := r.FormValue("rate")
+		if s == "" || r.Header.Get("Sec-Debug") != "derp" {
+			http.Error(w, "To set, use: curl -HSec-Debug:derp 'http://derp/debug/set-mutex-profile-fraction?rate=100'", http.StatusBadRequest)
+			return
+		}
+		v, err := strconv.Atoi(s)
+		if err != nil {
+			http.Error(w, "bad rate value", http.StatusBadRequest)
+			return
+		}
+		old := runtime.SetMutexProfileFraction(v)
+		fmt.Fprintf(w, "mutex changed from %v to %v\n", old, v)
+	}))
 
 	// Longer lived DERP connections send an application layer keepalive. Note
 	// if the keepalive is hit, the user timeout will take precedence over the
@@ -452,3 +480,16 @@ func (l *rateLimitedListener) Accept() (net.Conn, error) {
 	l.numAccepts.Add(1)
 	return cn, nil
 }
+
+func init() {
+	expvar.Publish("go_sync_mutex_wait_seconds", expvar.Func(func() any {
+		const name = "/sync/mutex/wait/total:seconds" // Go 1.20+
+		var s [1]runtimemetrics.Sample
+		s[0].Name = name
+		runtimemetrics.Read(s[:])
+		if v := s[0].Value; v.Kind() == runtimemetrics.KindFloat64 {
+			return v.Float64()
+		}
+		return 0
+	}))
+}

cmd/derper/mesh.go

@@ -9,14 +9,12 @@ import (
 	"fmt"
 	"log"
 	"net"
-	"net/netip"
 	"strings"
 	"time"
 
 	"tailscale.com/derp"
 	"tailscale.com/derp/derphttp"
 	"tailscale.com/net/netmon"
-	"tailscale.com/types/key"
 	"tailscale.com/types/logger"
 )
 
@@ -71,8 +69,8 @@ func startMeshWithHost(s *derp.Server, host string) error {
 		return d.DialContext(ctx, network, addr)
 	})
 
-	add := func(k key.NodePublic, _ netip.AddrPort) { s.AddPacketForwarder(k, c) }
-	remove := func(k key.NodePublic) { s.RemovePacketForwarder(k, c) }
+	add := func(m derp.PeerPresentMessage) { s.AddPacketForwarder(m.Key, c) }
+	remove := func(m derp.PeerGoneMessage) { s.RemovePacketForwarder(m.Peer, c) }
 	go c.RunWatchConnectionLoop(context.Background(), s.PublicKey(), logf, add, remove)
 	return nil
 }

cmd/derpprobe/derpprobe.go

@@ -7,8 +7,6 @@ package main
 import (
 	"flag"
 	"fmt"
-	"html"
-	"io"
 	"log"
 	"net/http"
 	"sort"
@@ -70,8 +68,13 @@ func main() {
 	}
 
 	mux := http.NewServeMux()
-	tsweb.Debugger(mux)
-	mux.HandleFunc("/", http.HandlerFunc(serveFunc(p)))
+	d := tsweb.Debugger(mux)
+	d.Handle("probe-run", "Run a probe", tsweb.StdHandler(tsweb.ReturnHandlerFunc(p.RunHandler), tsweb.HandlerOptions{Logf: log.Printf}))
+	mux.Handle("/", tsweb.StdHandler(p.StatusHandler(
+		prober.WithTitle("DERP Prober"),
+		prober.WithPageLink("Prober metrics", "/debug/varz"),
+		prober.WithProbeLink("Run Probe", "/debug/probe-run?name={{.Name}}"),
+	), tsweb.HandlerOptions{Logf: log.Printf}))
 	log.Printf("Listening on %s", *listen)
 	log.Fatal(http.ListenAndServe(*listen, mux))
 }
@@ -105,26 +108,3 @@ func getOverallStatus(p *prober.Prober) (o overallStatus) {
 	sort.Strings(o.good)
 	return
 }
-
-func serveFunc(p *prober.Prober) func(w http.ResponseWriter, r *http.Request) {
-	return func(w http.ResponseWriter, r *http.Request) {
-		st := getOverallStatus(p)
-		summary := "All good"
-		if (float64(len(st.bad)) / float64(len(st.bad)+len(st.good))) > 0.25 {
-			// Returning a 500 allows monitoring this server externally and configuring
-			// an alert on HTTP response code.
-			w.WriteHeader(500)
-			summary = fmt.Sprintf("%d problems", len(st.bad))
-		}
-
-		io.WriteString(w, "<html><head><style>.bad { font-weight: bold; color: #700; }</style></head>\n")
-		fmt.Fprintf(w, "<body><h1>derp probe</h1>\n%s:<ul>", summary)
-		for _, s := range st.bad {
-			fmt.Fprintf(w, "<li class=bad>%s</li>\n", html.EscapeString(s))
-		}
-		for _, s := range st.good {
-			fmt.Fprintf(w, "<li>%s</li>\n", html.EscapeString(s))
-		}
-		io.WriteString(w, "</ul></body></html>\n")
-	}
-}

cmd/k8s-nameserver/main.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 // k8s-nameserver is a simple nameserver implementation meant to be used with
 // k8s-operator to allow to resolve magicDNS names associated with tailnet

cmd/k8s-nameserver/main_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/connector.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/connector_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/depaware.txt

@@ -0,0 +1,997 @@
+tailscale.com/cmd/k8s-operator dependencies: (generated by github.com/tailscale/depaware)
+
+        filippo.io/edwards25519                                      from github.com/hdevalence/ed25519consensus
+        filippo.io/edwards25519/field                                from filippo.io/edwards25519
+   W 💣 github.com/alexbrainman/sspi                                 from github.com/alexbrainman/sspi/internal/common+
+   W    github.com/alexbrainman/sspi/internal/common                 from github.com/alexbrainman/sspi/negotiate
+   W 💣 github.com/alexbrainman/sspi/negotiate                       from tailscale.com/net/tshttpproxy
+   L    github.com/aws/aws-sdk-go-v2/aws                             from github.com/aws/aws-sdk-go-v2/aws/defaults+
+   L    github.com/aws/aws-sdk-go-v2/aws/arn                         from tailscale.com/ipn/store/awsstore
+   L    github.com/aws/aws-sdk-go-v2/aws/defaults                    from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/aws-sdk-go-v2/aws/middleware                  from github.com/aws/aws-sdk-go-v2/aws/retry+
+   L    github.com/aws/aws-sdk-go-v2/aws/middleware/private/metrics  from github.com/aws/aws-sdk-go-v2/aws/retry+
+   L    github.com/aws/aws-sdk-go-v2/aws/protocol/query              from github.com/aws/aws-sdk-go-v2/service/sts
+   L    github.com/aws/aws-sdk-go-v2/aws/protocol/restjson           from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/aws-sdk-go-v2/aws/protocol/xml                from github.com/aws/aws-sdk-go-v2/service/sts
+   L    github.com/aws/aws-sdk-go-v2/aws/ratelimit                   from github.com/aws/aws-sdk-go-v2/aws/retry
+   L    github.com/aws/aws-sdk-go-v2/aws/retry                       from github.com/aws/aws-sdk-go-v2/credentials/endpointcreds/internal/client+
+   L    github.com/aws/aws-sdk-go-v2/aws/signer/internal/v4          from github.com/aws/aws-sdk-go-v2/aws/signer/v4
+   L    github.com/aws/aws-sdk-go-v2/aws/signer/v4                   from github.com/aws/aws-sdk-go-v2/internal/auth/smithy+
+   L    github.com/aws/aws-sdk-go-v2/aws/transport/http              from github.com/aws/aws-sdk-go-v2/config+
+   L    github.com/aws/aws-sdk-go-v2/config                          from tailscale.com/ipn/store/awsstore
+   L    github.com/aws/aws-sdk-go-v2/credentials                     from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/aws-sdk-go-v2/credentials/ec2rolecreds        from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/aws-sdk-go-v2/credentials/endpointcreds       from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/aws-sdk-go-v2/credentials/endpointcreds/internal/client from github.com/aws/aws-sdk-go-v2/credentials/endpointcreds
+   L    github.com/aws/aws-sdk-go-v2/credentials/processcreds        from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/aws-sdk-go-v2/credentials/ssocreds            from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/aws-sdk-go-v2/credentials/stscreds            from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/aws-sdk-go-v2/feature/ec2/imds                from github.com/aws/aws-sdk-go-v2/config+
+   L    github.com/aws/aws-sdk-go-v2/feature/ec2/imds/internal/config from github.com/aws/aws-sdk-go-v2/feature/ec2/imds
+   L    github.com/aws/aws-sdk-go-v2/internal/auth                   from github.com/aws/aws-sdk-go-v2/aws/signer/v4+
+   L    github.com/aws/aws-sdk-go-v2/internal/auth/smithy            from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/aws-sdk-go-v2/internal/configsources          from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/aws-sdk-go-v2/internal/endpoints              from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/aws-sdk-go-v2/internal/endpoints/awsrulesfn   from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/aws-sdk-go-v2/internal/endpoints/v2           from github.com/aws/aws-sdk-go-v2/service/ssm/internal/endpoints+
+   L    github.com/aws/aws-sdk-go-v2/internal/ini                    from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/aws-sdk-go-v2/internal/rand                   from github.com/aws/aws-sdk-go-v2/aws+
+   L    github.com/aws/aws-sdk-go-v2/internal/sdk                    from github.com/aws/aws-sdk-go-v2/aws+
+   L    github.com/aws/aws-sdk-go-v2/internal/sdkio                  from github.com/aws/aws-sdk-go-v2/credentials/processcreds
+   L    github.com/aws/aws-sdk-go-v2/internal/shareddefaults         from github.com/aws/aws-sdk-go-v2/config+
+   L    github.com/aws/aws-sdk-go-v2/internal/strings                from github.com/aws/aws-sdk-go-v2/aws/signer/internal/v4
+   L    github.com/aws/aws-sdk-go-v2/internal/sync/singleflight      from github.com/aws/aws-sdk-go-v2/aws
+   L    github.com/aws/aws-sdk-go-v2/internal/timeconv               from github.com/aws/aws-sdk-go-v2/aws/retry
+   L    github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding from github.com/aws/aws-sdk-go-v2/service/sts
+   L    github.com/aws/aws-sdk-go-v2/service/internal/presigned-url  from github.com/aws/aws-sdk-go-v2/service/sts
+   L    github.com/aws/aws-sdk-go-v2/service/ssm                     from tailscale.com/ipn/store/awsstore
+   L    github.com/aws/aws-sdk-go-v2/service/ssm/internal/endpoints  from github.com/aws/aws-sdk-go-v2/service/ssm
+   L    github.com/aws/aws-sdk-go-v2/service/ssm/types               from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/aws-sdk-go-v2/service/sso                     from github.com/aws/aws-sdk-go-v2/config+
+   L    github.com/aws/aws-sdk-go-v2/service/sso/internal/endpoints  from github.com/aws/aws-sdk-go-v2/service/sso
+   L    github.com/aws/aws-sdk-go-v2/service/sso/types               from github.com/aws/aws-sdk-go-v2/service/sso
+   L    github.com/aws/aws-sdk-go-v2/service/ssooidc                 from github.com/aws/aws-sdk-go-v2/config+
+   L    github.com/aws/aws-sdk-go-v2/service/ssooidc/internal/endpoints from github.com/aws/aws-sdk-go-v2/service/ssooidc
+   L    github.com/aws/aws-sdk-go-v2/service/ssooidc/types           from github.com/aws/aws-sdk-go-v2/service/ssooidc
+   L    github.com/aws/aws-sdk-go-v2/service/sts                     from github.com/aws/aws-sdk-go-v2/config+
+   L    github.com/aws/aws-sdk-go-v2/service/sts/internal/endpoints  from github.com/aws/aws-sdk-go-v2/service/sts
+   L    github.com/aws/aws-sdk-go-v2/service/sts/types               from github.com/aws/aws-sdk-go-v2/credentials/stscreds+
+   L    github.com/aws/smithy-go                                     from github.com/aws/aws-sdk-go-v2/aws/protocol/restjson+
+   L    github.com/aws/smithy-go/auth                                from github.com/aws/aws-sdk-go-v2/internal/auth+
+   L    github.com/aws/smithy-go/auth/bearer                         from github.com/aws/aws-sdk-go-v2/aws+
+   L    github.com/aws/smithy-go/context                             from github.com/aws/smithy-go/auth/bearer
+   L    github.com/aws/smithy-go/document                            from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/smithy-go/encoding                            from github.com/aws/smithy-go/encoding/json+
+   L    github.com/aws/smithy-go/encoding/httpbinding                from github.com/aws/aws-sdk-go-v2/aws/protocol/query+
+   L    github.com/aws/smithy-go/encoding/json                       from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/smithy-go/encoding/xml                        from github.com/aws/aws-sdk-go-v2/service/sts
+   L    github.com/aws/smithy-go/endpoints                           from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/smithy-go/internal/sync/singleflight          from github.com/aws/smithy-go/auth/bearer
+   L    github.com/aws/smithy-go/io                                  from github.com/aws/aws-sdk-go-v2/feature/ec2/imds+
+   L    github.com/aws/smithy-go/logging                             from github.com/aws/aws-sdk-go-v2/aws+
+   L    github.com/aws/smithy-go/middleware                          from github.com/aws/aws-sdk-go-v2/aws+
+   L    github.com/aws/smithy-go/private/requestcompression          from github.com/aws/aws-sdk-go-v2/config
+   L    github.com/aws/smithy-go/ptr                                 from github.com/aws/aws-sdk-go-v2/aws+
+   L    github.com/aws/smithy-go/rand                                from github.com/aws/aws-sdk-go-v2/aws/middleware+
+   L    github.com/aws/smithy-go/time                                from github.com/aws/aws-sdk-go-v2/service/ssm+
+   L    github.com/aws/smithy-go/transport/http                      from github.com/aws/aws-sdk-go-v2/aws/middleware+
+   L    github.com/aws/smithy-go/transport/http/internal/io          from github.com/aws/smithy-go/transport/http
+   L    github.com/aws/smithy-go/waiter                              from github.com/aws/aws-sdk-go-v2/service/ssm
+        github.com/beorn7/perks/quantile                             from github.com/prometheus/client_golang/prometheus
+        github.com/bits-and-blooms/bitset                            from github.com/gaissmai/bart
+     💣 github.com/cespare/xxhash/v2                                 from github.com/prometheus/client_golang/prometheus
+   L    github.com/coreos/go-iptables/iptables                       from tailscale.com/util/linuxfw
+     💣 github.com/davecgh/go-spew/spew                              from k8s.io/apimachinery/pkg/util/dump
+   W 💣 github.com/dblohm7/wingoes                                   from github.com/dblohm7/wingoes/com+
+   W 💣 github.com/dblohm7/wingoes/com                               from tailscale.com/util/osdiag+
+   W 💣 github.com/dblohm7/wingoes/com/automation                    from tailscale.com/util/osdiag/internal/wsc
+   W    github.com/dblohm7/wingoes/internal                          from github.com/dblohm7/wingoes/com
+   W 💣 github.com/dblohm7/wingoes/pe                                from tailscale.com/util/osdiag+
+  LW 💣 github.com/digitalocean/go-smbios/smbios                     from tailscale.com/posture
+        github.com/distribution/reference                            from tailscale.com/cmd/k8s-operator
+        github.com/emicklei/go-restful/v3                            from k8s.io/kube-openapi/pkg/common
+        github.com/emicklei/go-restful/v3/log                        from github.com/emicklei/go-restful/v3
+        github.com/evanphx/json-patch/v5                             from sigs.k8s.io/controller-runtime/pkg/client
+        github.com/evanphx/json-patch/v5/internal/json               from github.com/evanphx/json-patch/v5
+     💣 github.com/fsnotify/fsnotify                                 from sigs.k8s.io/controller-runtime/pkg/certwatcher
+        github.com/fxamacker/cbor/v2                                 from tailscale.com/tka
+        github.com/gaissmai/bart                                     from tailscale.com/net/ipset+
+        github.com/go-json-experiment/json                           from tailscale.com/types/opt
+        github.com/go-json-experiment/json/internal                  from github.com/go-json-experiment/json/internal/jsonflags+
+        github.com/go-json-experiment/json/internal/jsonflags        from github.com/go-json-experiment/json/internal/jsonopts+
+        github.com/go-json-experiment/json/internal/jsonopts         from github.com/go-json-experiment/json/jsontext+
+        github.com/go-json-experiment/json/internal/jsonwire         from github.com/go-json-experiment/json/jsontext+
+        github.com/go-json-experiment/json/jsontext                  from tailscale.com/logtail+
+        github.com/go-logr/logr                                      from github.com/go-logr/logr/slogr+
+        github.com/go-logr/logr/slogr                                from github.com/go-logr/zapr
+        github.com/go-logr/zapr                                      from sigs.k8s.io/controller-runtime/pkg/log/zap+
+   W 💣 github.com/go-ole/go-ole                                     from github.com/go-ole/go-ole/oleutil+
+   W 💣 github.com/go-ole/go-ole/oleutil                             from tailscale.com/wgengine/winnet
+        github.com/go-openapi/jsonpointer                            from github.com/go-openapi/jsonreference
+        github.com/go-openapi/jsonreference                          from k8s.io/kube-openapi/pkg/internal+
+        github.com/go-openapi/jsonreference/internal                 from github.com/go-openapi/jsonreference
+        github.com/go-openapi/swag                                   from github.com/go-openapi/jsonpointer+
+   L 💣 github.com/godbus/dbus/v5                                    from tailscale.com/net/dns
+     💣 github.com/gogo/protobuf/proto                               from k8s.io/api/admission/v1+
+        github.com/gogo/protobuf/sortkeys                            from k8s.io/api/admission/v1+
+        github.com/golang/groupcache/lru                             from k8s.io/client-go/tools/record+
+        github.com/golang/protobuf/proto                             from k8s.io/client-go/discovery+
+        github.com/google/btree                                      from gvisor.dev/gvisor/pkg/tcpip/header+
+        github.com/google/gnostic-models/compiler                    from github.com/google/gnostic-models/openapiv2+
+        github.com/google/gnostic-models/extensions                  from github.com/google/gnostic-models/compiler
+        github.com/google/gnostic-models/jsonschema                  from github.com/google/gnostic-models/compiler
+        github.com/google/gnostic-models/openapiv2                   from k8s.io/client-go/discovery+
+        github.com/google/gnostic-models/openapiv3                   from k8s.io/kube-openapi/pkg/handler3+
+     💣 github.com/google/go-cmp/cmp                                 from k8s.io/apimachinery/pkg/util/diff+
+        github.com/google/go-cmp/cmp/internal/diff                   from github.com/google/go-cmp/cmp
+        github.com/google/go-cmp/cmp/internal/flags                  from github.com/google/go-cmp/cmp+
+        github.com/google/go-cmp/cmp/internal/function               from github.com/google/go-cmp/cmp
+     💣 github.com/google/go-cmp/cmp/internal/value                  from github.com/google/go-cmp/cmp
+        github.com/google/gofuzz                                     from k8s.io/apimachinery/pkg/apis/meta/v1+
+        github.com/google/gofuzz/bytesource                          from github.com/google/gofuzz
+   L    github.com/google/nftables                                   from tailscale.com/util/linuxfw
+   L 💣 github.com/google/nftables/alignedbuff                       from github.com/google/nftables/xt
+   L 💣 github.com/google/nftables/binaryutil                        from github.com/google/nftables+
+   L    github.com/google/nftables/expr                              from github.com/google/nftables+
+   L    github.com/google/nftables/internal/parseexprfunc            from github.com/google/nftables+
+   L    github.com/google/nftables/xt                                from github.com/google/nftables/expr+
+        github.com/google/uuid                                       from github.com/prometheus-community/pro-bing+
+        github.com/gorilla/csrf                                      from tailscale.com/client/web
+        github.com/gorilla/securecookie                              from github.com/gorilla/csrf
+        github.com/hdevalence/ed25519consensus                       from tailscale.com/clientupdate/distsign+
+   L 💣 github.com/illarion/gonotify                                 from tailscale.com/net/dns
+        github.com/imdario/mergo                                     from k8s.io/client-go/tools/clientcmd
+   L    github.com/insomniacslk/dhcp/dhcpv4                          from tailscale.com/net/tstun
+   L    github.com/insomniacslk/dhcp/iana                            from github.com/insomniacslk/dhcp/dhcpv4
+   L    github.com/insomniacslk/dhcp/interfaces                      from github.com/insomniacslk/dhcp/dhcpv4
+   L    github.com/insomniacslk/dhcp/rfc1035label                    from github.com/insomniacslk/dhcp/dhcpv4
+   L    github.com/jmespath/go-jmespath                              from github.com/aws/aws-sdk-go-v2/service/ssm
+        github.com/josharian/intern                                  from github.com/mailru/easyjson/jlexer
+   L    github.com/josharian/native                                  from github.com/mdlayher/netlink+
+   L 💣 github.com/jsimonetti/rtnetlink                              from tailscale.com/net/netmon
+   L    github.com/jsimonetti/rtnetlink/internal/unix                from github.com/jsimonetti/rtnetlink
+     💣 github.com/json-iterator/go                                  from sigs.k8s.io/structured-merge-diff/v4/fieldpath+
+        github.com/klauspost/compress                                from github.com/klauspost/compress/zstd
+        github.com/klauspost/compress/fse                            from github.com/klauspost/compress/huff0
+        github.com/klauspost/compress/huff0                          from github.com/klauspost/compress/zstd
+        github.com/klauspost/compress/internal/cpuinfo               from github.com/klauspost/compress/huff0+
+        github.com/klauspost/compress/internal/snapref               from github.com/klauspost/compress/zstd
+        github.com/klauspost/compress/zstd                           from tailscale.com/util/zstdframe
+        github.com/klauspost/compress/zstd/internal/xxhash           from github.com/klauspost/compress/zstd
+        github.com/kortschak/wol                                     from tailscale.com/ipn/ipnlocal
+        github.com/mailru/easyjson/buffer                            from github.com/mailru/easyjson/jwriter
+     💣 github.com/mailru/easyjson/jlexer                            from github.com/go-openapi/swag
+        github.com/mailru/easyjson/jwriter                           from github.com/go-openapi/swag
+   L    github.com/mdlayher/genetlink                                from tailscale.com/net/tstun
+   L 💣 github.com/mdlayher/netlink                                  from github.com/google/nftables+
+   L 💣 github.com/mdlayher/netlink/nlenc                            from github.com/jsimonetti/rtnetlink+
+   L    github.com/mdlayher/netlink/nltest                           from github.com/google/nftables
+   L    github.com/mdlayher/sdnotify                                 from tailscale.com/util/systemd
+   L 💣 github.com/mdlayher/socket                                   from github.com/mdlayher/netlink
+        github.com/miekg/dns                                         from tailscale.com/net/dns/recursive
+     💣 github.com/mitchellh/go-ps                                   from tailscale.com/safesocket
+        github.com/modern-go/concurrent                              from github.com/json-iterator/go
+     💣 github.com/modern-go/reflect2                                from github.com/json-iterator/go
+        github.com/munnerz/goautoneg                                 from k8s.io/kube-openapi/pkg/handler3
+        github.com/opencontainers/go-digest                          from github.com/distribution/reference
+   L    github.com/pierrec/lz4/v4                                    from github.com/u-root/uio/uio
+   L    github.com/pierrec/lz4/v4/internal/lz4block                  from github.com/pierrec/lz4/v4+
+   L    github.com/pierrec/lz4/v4/internal/lz4errors                 from github.com/pierrec/lz4/v4+
+   L    github.com/pierrec/lz4/v4/internal/lz4stream                 from github.com/pierrec/lz4/v4
+   L    github.com/pierrec/lz4/v4/internal/xxh32                     from github.com/pierrec/lz4/v4/internal/lz4stream
+        github.com/pkg/errors                                        from github.com/evanphx/json-patch/v5+
+   D    github.com/prometheus-community/pro-bing                     from tailscale.com/wgengine/netstack
+     💣 github.com/prometheus/client_golang/prometheus               from github.com/prometheus/client_golang/prometheus/collectors+
+        github.com/prometheus/client_golang/prometheus/collectors    from sigs.k8s.io/controller-runtime/pkg/internal/controller/metrics
+        github.com/prometheus/client_golang/prometheus/internal      from github.com/prometheus/client_golang/prometheus+
+        github.com/prometheus/client_golang/prometheus/promhttp      from sigs.k8s.io/controller-runtime/pkg/metrics/server+
+        github.com/prometheus/client_model/go                        from github.com/prometheus/client_golang/prometheus+
+        github.com/prometheus/common/expfmt                          from github.com/prometheus/client_golang/prometheus+
+        github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg from github.com/prometheus/common/expfmt
+        github.com/prometheus/common/model                           from github.com/prometheus/client_golang/prometheus+
+  LD    github.com/prometheus/procfs                                 from github.com/prometheus/client_golang/prometheus
+  LD    github.com/prometheus/procfs/internal/fs                     from github.com/prometheus/procfs
+  LD    github.com/prometheus/procfs/internal/util                   from github.com/prometheus/procfs
+   L 💣 github.com/safchain/ethtool                                  from tailscale.com/doctor/ethtool+
+        github.com/spf13/pflag                                       from k8s.io/client-go/tools/clientcmd
+   W 💣 github.com/tailscale/certstore                               from tailscale.com/control/controlclient
+   W 💣 github.com/tailscale/go-winio                                from tailscale.com/safesocket
+   W 💣 github.com/tailscale/go-winio/internal/fs                    from github.com/tailscale/go-winio
+   W 💣 github.com/tailscale/go-winio/internal/socket                from github.com/tailscale/go-winio
+   W    github.com/tailscale/go-winio/internal/stringbuffer          from github.com/tailscale/go-winio/internal/fs
+   W    github.com/tailscale/go-winio/pkg/guid                       from github.com/tailscale/go-winio+
+        github.com/tailscale/golang-x-crypto/acme                    from tailscale.com/ipn/ipnlocal
+  LD    github.com/tailscale/golang-x-crypto/internal/poly1305       from github.com/tailscale/golang-x-crypto/ssh
+  LD    github.com/tailscale/golang-x-crypto/ssh                     from tailscale.com/ipn/ipnlocal
+  LD    github.com/tailscale/golang-x-crypto/ssh/internal/bcrypt_pbkdf from github.com/tailscale/golang-x-crypto/ssh
+        github.com/tailscale/goupnp                                  from github.com/tailscale/goupnp/dcps/internetgateway2+
+        github.com/tailscale/goupnp/dcps/internetgateway2            from tailscale.com/net/portmapper
+        github.com/tailscale/goupnp/httpu                            from github.com/tailscale/goupnp+
+        github.com/tailscale/goupnp/scpd                             from github.com/tailscale/goupnp
+        github.com/tailscale/goupnp/soap                             from github.com/tailscale/goupnp+
+        github.com/tailscale/goupnp/ssdp                             from github.com/tailscale/goupnp
+        github.com/tailscale/hujson                                  from tailscale.com/ipn/conffile
+   L 💣 github.com/tailscale/netlink                                 from tailscale.com/net/routetable+
+        github.com/tailscale/peercred                                from tailscale.com/ipn/ipnauth
+        github.com/tailscale/web-client-prebuilt                     from tailscale.com/client/web
+     💣 github.com/tailscale/wireguard-go/conn                       from github.com/tailscale/wireguard-go/device+
+   W 💣 github.com/tailscale/wireguard-go/conn/winrio                from github.com/tailscale/wireguard-go/conn
+     💣 github.com/tailscale/wireguard-go/device                     from tailscale.com/net/tstun+
+     💣 github.com/tailscale/wireguard-go/ipc                        from github.com/tailscale/wireguard-go/device
+   W 💣 github.com/tailscale/wireguard-go/ipc/namedpipe              from github.com/tailscale/wireguard-go/ipc
+        github.com/tailscale/wireguard-go/ratelimiter                from github.com/tailscale/wireguard-go/device
+        github.com/tailscale/wireguard-go/replay                     from github.com/tailscale/wireguard-go/device
+        github.com/tailscale/wireguard-go/rwcancel                   from github.com/tailscale/wireguard-go/device+
+        github.com/tailscale/wireguard-go/tai64n                     from github.com/tailscale/wireguard-go/device
+     💣 github.com/tailscale/wireguard-go/tun                        from github.com/tailscale/wireguard-go/device+
+        github.com/tcnksm/go-httpstat                                from tailscale.com/net/netcheck
+   L    github.com/u-root/uio/rand                                   from github.com/insomniacslk/dhcp/dhcpv4
+   L    github.com/u-root/uio/uio                                    from github.com/insomniacslk/dhcp/dhcpv4+
+   L 💣 github.com/vishvananda/netlink/nl                            from github.com/tailscale/netlink
+   L    github.com/vishvananda/netns                                 from github.com/tailscale/netlink+
+        github.com/x448/float16                                      from github.com/fxamacker/cbor/v2
+        go.uber.org/multierr                                         from go.uber.org/zap+
+        go.uber.org/zap                                              from github.com/go-logr/zapr+
+        go.uber.org/zap/buffer                                       from go.uber.org/zap/internal/bufferpool+
+        go.uber.org/zap/internal                                     from go.uber.org/zap
+        go.uber.org/zap/internal/bufferpool                          from go.uber.org/zap+
+        go.uber.org/zap/internal/color                               from go.uber.org/zap/zapcore
+        go.uber.org/zap/internal/exit                                from go.uber.org/zap/zapcore
+        go.uber.org/zap/internal/pool                                from go.uber.org/zap+
+        go.uber.org/zap/internal/stacktrace                          from go.uber.org/zap
+        go.uber.org/zap/zapcore                                      from github.com/go-logr/zapr+
+     💣 go4.org/mem                                                  from tailscale.com/client/tailscale+
+        go4.org/netipx                                               from tailscale.com/ipn/ipnlocal+
+   W 💣 golang.zx2c4.com/wintun                                      from github.com/tailscale/wireguard-go/tun
+   W 💣 golang.zx2c4.com/wireguard/windows/tunnel/winipcfg           from tailscale.com/net/dns+
+        gomodules.xyz/jsonpatch/v2                                   from sigs.k8s.io/controller-runtime/pkg/webhook+
+        google.golang.org/protobuf/encoding/protodelim               from github.com/prometheus/common/expfmt
+        google.golang.org/protobuf/encoding/prototext                from github.com/golang/protobuf/proto+
+        google.golang.org/protobuf/encoding/protowire                from github.com/golang/protobuf/proto+
+        google.golang.org/protobuf/internal/descfmt                  from google.golang.org/protobuf/internal/filedesc
+        google.golang.org/protobuf/internal/descopts                 from google.golang.org/protobuf/internal/filedesc+
+        google.golang.org/protobuf/internal/detrand                  from google.golang.org/protobuf/internal/descfmt+
+        google.golang.org/protobuf/internal/editiondefaults          from google.golang.org/protobuf/internal/filedesc+
+        google.golang.org/protobuf/internal/encoding/defval          from google.golang.org/protobuf/internal/encoding/tag+
+        google.golang.org/protobuf/internal/encoding/messageset      from google.golang.org/protobuf/encoding/prototext+
+        google.golang.org/protobuf/internal/encoding/tag             from google.golang.org/protobuf/internal/impl
+        google.golang.org/protobuf/internal/encoding/text            from google.golang.org/protobuf/encoding/prototext+
+        google.golang.org/protobuf/internal/errors                   from google.golang.org/protobuf/encoding/protodelim+
+        google.golang.org/protobuf/internal/filedesc                 from google.golang.org/protobuf/internal/encoding/tag+
+        google.golang.org/protobuf/internal/filetype                 from google.golang.org/protobuf/runtime/protoimpl
+        google.golang.org/protobuf/internal/flags                    from google.golang.org/protobuf/encoding/prototext+
+        google.golang.org/protobuf/internal/genid                    from google.golang.org/protobuf/encoding/prototext+
+     💣 google.golang.org/protobuf/internal/impl                     from google.golang.org/protobuf/internal/filetype+
+        google.golang.org/protobuf/internal/order                    from google.golang.org/protobuf/encoding/prototext+
+        google.golang.org/protobuf/internal/pragma                   from google.golang.org/protobuf/encoding/prototext+
+        google.golang.org/protobuf/internal/set                      from google.golang.org/protobuf/encoding/prototext
+     💣 google.golang.org/protobuf/internal/strs                     from google.golang.org/protobuf/encoding/prototext+
+        google.golang.org/protobuf/internal/version                  from google.golang.org/protobuf/runtime/protoimpl
+        google.golang.org/protobuf/proto                             from github.com/golang/protobuf/proto+
+        google.golang.org/protobuf/reflect/protodesc                 from github.com/golang/protobuf/proto
+     💣 google.golang.org/protobuf/reflect/protoreflect              from github.com/golang/protobuf/proto+
+        google.golang.org/protobuf/reflect/protoregistry             from github.com/golang/protobuf/proto+
+        google.golang.org/protobuf/runtime/protoiface                from github.com/golang/protobuf/proto+
+        google.golang.org/protobuf/runtime/protoimpl                 from github.com/golang/protobuf/proto+
+        google.golang.org/protobuf/types/descriptorpb                from github.com/google/gnostic-models/openapiv3+
+        google.golang.org/protobuf/types/gofeaturespb                from google.golang.org/protobuf/reflect/protodesc
+        google.golang.org/protobuf/types/known/anypb                 from github.com/google/gnostic-models/compiler+
+        google.golang.org/protobuf/types/known/timestamppb           from github.com/prometheus/client_golang/prometheus+
+        gopkg.in/inf.v0                                              from k8s.io/apimachinery/pkg/api/resource
+        gopkg.in/yaml.v2                                             from k8s.io/kube-openapi/pkg/util/proto+
+        gopkg.in/yaml.v3                                             from github.com/go-openapi/swag+
+        gvisor.dev/gvisor/pkg/atomicbitops                           from gvisor.dev/gvisor/pkg/buffer+
+        gvisor.dev/gvisor/pkg/bits                                   from gvisor.dev/gvisor/pkg/buffer
+     💣 gvisor.dev/gvisor/pkg/buffer                                 from gvisor.dev/gvisor/pkg/tcpip+
+        gvisor.dev/gvisor/pkg/context                                from gvisor.dev/gvisor/pkg/refs
+     💣 gvisor.dev/gvisor/pkg/gohacks                                from gvisor.dev/gvisor/pkg/state/wire+
+        gvisor.dev/gvisor/pkg/linewriter                             from gvisor.dev/gvisor/pkg/log
+        gvisor.dev/gvisor/pkg/log                                    from gvisor.dev/gvisor/pkg/context+
+        gvisor.dev/gvisor/pkg/rand                                   from gvisor.dev/gvisor/pkg/tcpip/network/hash+
+        gvisor.dev/gvisor/pkg/refs                                   from gvisor.dev/gvisor/pkg/buffer+
+     💣 gvisor.dev/gvisor/pkg/sleep                                  from gvisor.dev/gvisor/pkg/tcpip/transport/tcp
+     💣 gvisor.dev/gvisor/pkg/state                                  from gvisor.dev/gvisor/pkg/atomicbitops+
+        gvisor.dev/gvisor/pkg/state/wire                             from gvisor.dev/gvisor/pkg/state
+     💣 gvisor.dev/gvisor/pkg/sync                                   from gvisor.dev/gvisor/pkg/atomicbitops+
+     💣 gvisor.dev/gvisor/pkg/sync/locking                           from gvisor.dev/gvisor/pkg/tcpip/stack
+        gvisor.dev/gvisor/pkg/tcpip                                  from gvisor.dev/gvisor/pkg/tcpip/adapters/gonet+
+        gvisor.dev/gvisor/pkg/tcpip/adapters/gonet                   from tailscale.com/wgengine/netstack
+     💣 gvisor.dev/gvisor/pkg/tcpip/checksum                         from gvisor.dev/gvisor/pkg/buffer+
+        gvisor.dev/gvisor/pkg/tcpip/hash/jenkins                     from gvisor.dev/gvisor/pkg/tcpip/stack+
+        gvisor.dev/gvisor/pkg/tcpip/header                           from gvisor.dev/gvisor/pkg/tcpip/header/parse+
+        gvisor.dev/gvisor/pkg/tcpip/header/parse                     from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
+        gvisor.dev/gvisor/pkg/tcpip/internal/tcp                     from gvisor.dev/gvisor/pkg/tcpip/stack+
+        gvisor.dev/gvisor/pkg/tcpip/network/hash                     from gvisor.dev/gvisor/pkg/tcpip/network/ipv4
+        gvisor.dev/gvisor/pkg/tcpip/network/internal/fragmentation   from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
+        gvisor.dev/gvisor/pkg/tcpip/network/internal/ip              from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
+        gvisor.dev/gvisor/pkg/tcpip/network/internal/multicast       from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
+        gvisor.dev/gvisor/pkg/tcpip/network/ipv4                     from tailscale.com/net/tstun+
+        gvisor.dev/gvisor/pkg/tcpip/network/ipv6                     from tailscale.com/wgengine/netstack
+        gvisor.dev/gvisor/pkg/tcpip/ports                            from gvisor.dev/gvisor/pkg/tcpip/stack+
+        gvisor.dev/gvisor/pkg/tcpip/seqnum                           from gvisor.dev/gvisor/pkg/tcpip/header+
+     💣 gvisor.dev/gvisor/pkg/tcpip/stack                            from gvisor.dev/gvisor/pkg/tcpip/adapters/gonet+
+        gvisor.dev/gvisor/pkg/tcpip/stack/gro                        from tailscale.com/wgengine/netstack
+        gvisor.dev/gvisor/pkg/tcpip/transport                        from gvisor.dev/gvisor/pkg/tcpip/transport/icmp+
+        gvisor.dev/gvisor/pkg/tcpip/transport/icmp                   from tailscale.com/wgengine/netstack
+        gvisor.dev/gvisor/pkg/tcpip/transport/internal/network       from gvisor.dev/gvisor/pkg/tcpip/transport/icmp+
+        gvisor.dev/gvisor/pkg/tcpip/transport/internal/noop          from gvisor.dev/gvisor/pkg/tcpip/transport/raw
+        gvisor.dev/gvisor/pkg/tcpip/transport/packet                 from gvisor.dev/gvisor/pkg/tcpip/transport/raw
+        gvisor.dev/gvisor/pkg/tcpip/transport/raw                    from gvisor.dev/gvisor/pkg/tcpip/transport/icmp+
+     💣 gvisor.dev/gvisor/pkg/tcpip/transport/tcp                    from gvisor.dev/gvisor/pkg/tcpip/adapters/gonet+
+        gvisor.dev/gvisor/pkg/tcpip/transport/tcpconntrack           from gvisor.dev/gvisor/pkg/tcpip/stack
+        gvisor.dev/gvisor/pkg/tcpip/transport/udp                    from gvisor.dev/gvisor/pkg/tcpip/adapters/gonet+
+        gvisor.dev/gvisor/pkg/waiter                                 from gvisor.dev/gvisor/pkg/context+
+        k8s.io/api/admission/v1                                      from sigs.k8s.io/controller-runtime/pkg/webhook/admission
+        k8s.io/api/admission/v1beta1                                 from sigs.k8s.io/controller-runtime/pkg/webhook/admission
+        k8s.io/api/admissionregistration/v1                          from k8s.io/api/admissionregistration/v1alpha1+
+        k8s.io/api/admissionregistration/v1alpha1                    from k8s.io/client-go/applyconfigurations/admissionregistration/v1alpha1+
+        k8s.io/api/admissionregistration/v1beta1                     from k8s.io/client-go/applyconfigurations/admissionregistration/v1beta1+
+        k8s.io/api/apidiscovery/v2                                   from k8s.io/client-go/discovery
+        k8s.io/api/apidiscovery/v2beta1                              from k8s.io/client-go/discovery
+        k8s.io/api/apiserverinternal/v1alpha1                        from k8s.io/client-go/applyconfigurations/apiserverinternal/v1alpha1+
+        k8s.io/api/apps/v1                                           from k8s.io/client-go/applyconfigurations/apps/v1+
+        k8s.io/api/apps/v1beta1                                      from k8s.io/api/extensions/v1beta1+
+        k8s.io/api/apps/v1beta2                                      from k8s.io/client-go/applyconfigurations/apps/v1beta2+
+        k8s.io/api/authentication/v1                                 from k8s.io/api/admission/v1+
+        k8s.io/api/authentication/v1alpha1                           from k8s.io/client-go/kubernetes/scheme+
+        k8s.io/api/authentication/v1beta1                            from k8s.io/client-go/kubernetes/scheme+
+        k8s.io/api/authorization/v1                                  from k8s.io/client-go/kubernetes/scheme+
+        k8s.io/api/authorization/v1beta1                             from k8s.io/client-go/kubernetes/scheme+
+        k8s.io/api/autoscaling/v1                                    from k8s.io/client-go/applyconfigurations/autoscaling/v1+
+        k8s.io/api/autoscaling/v2                                    from k8s.io/client-go/applyconfigurations/autoscaling/v2+
+        k8s.io/api/autoscaling/v2beta1                               from k8s.io/client-go/applyconfigurations/autoscaling/v2beta1+
+        k8s.io/api/autoscaling/v2beta2                               from k8s.io/client-go/applyconfigurations/autoscaling/v2beta2+
+        k8s.io/api/batch/v1                                          from k8s.io/api/batch/v1beta1+
+        k8s.io/api/batch/v1beta1                                     from k8s.io/client-go/applyconfigurations/batch/v1beta1+
+        k8s.io/api/certificates/v1                                   from k8s.io/client-go/applyconfigurations/certificates/v1+
+        k8s.io/api/certificates/v1alpha1                             from k8s.io/client-go/applyconfigurations/certificates/v1alpha1+
+        k8s.io/api/certificates/v1beta1                              from k8s.io/client-go/applyconfigurations/certificates/v1beta1+
+        k8s.io/api/coordination/v1                                   from k8s.io/client-go/applyconfigurations/coordination/v1+
+        k8s.io/api/coordination/v1beta1                              from k8s.io/client-go/applyconfigurations/coordination/v1beta1+
+        k8s.io/api/core/v1                                           from k8s.io/api/apps/v1+
+        k8s.io/api/discovery/v1                                      from k8s.io/client-go/applyconfigurations/discovery/v1+
+        k8s.io/api/discovery/v1beta1                                 from k8s.io/client-go/applyconfigurations/discovery/v1beta1+
+        k8s.io/api/events/v1                                         from k8s.io/client-go/applyconfigurations/events/v1+
+        k8s.io/api/events/v1beta1                                    from k8s.io/client-go/applyconfigurations/events/v1beta1+
+        k8s.io/api/extensions/v1beta1                                from k8s.io/client-go/applyconfigurations/extensions/v1beta1+
+        k8s.io/api/flowcontrol/v1                                    from k8s.io/client-go/applyconfigurations/flowcontrol/v1+
+        k8s.io/api/flowcontrol/v1beta1                               from k8s.io/client-go/applyconfigurations/flowcontrol/v1beta1+
+        k8s.io/api/flowcontrol/v1beta2                               from k8s.io/client-go/applyconfigurations/flowcontrol/v1beta2+
+        k8s.io/api/flowcontrol/v1beta3                               from k8s.io/client-go/applyconfigurations/flowcontrol/v1beta3+
+        k8s.io/api/networking/v1                                     from k8s.io/client-go/applyconfigurations/networking/v1+
+        k8s.io/api/networking/v1alpha1                               from k8s.io/client-go/applyconfigurations/networking/v1alpha1+
+        k8s.io/api/networking/v1beta1                                from k8s.io/client-go/applyconfigurations/networking/v1beta1+
+        k8s.io/api/node/v1                                           from k8s.io/client-go/applyconfigurations/node/v1+
+        k8s.io/api/node/v1alpha1                                     from k8s.io/client-go/applyconfigurations/node/v1alpha1+
+        k8s.io/api/node/v1beta1                                      from k8s.io/client-go/applyconfigurations/node/v1beta1+
+        k8s.io/api/policy/v1                                         from k8s.io/client-go/applyconfigurations/policy/v1+
+        k8s.io/api/policy/v1beta1                                    from k8s.io/client-go/applyconfigurations/policy/v1beta1+
+        k8s.io/api/rbac/v1                                           from k8s.io/client-go/applyconfigurations/rbac/v1+
+        k8s.io/api/rbac/v1alpha1                                     from k8s.io/client-go/applyconfigurations/rbac/v1alpha1+
+        k8s.io/api/rbac/v1beta1                                      from k8s.io/client-go/applyconfigurations/rbac/v1beta1+
+        k8s.io/api/resource/v1alpha2                                 from k8s.io/client-go/applyconfigurations/resource/v1alpha2+
+        k8s.io/api/scheduling/v1                                     from k8s.io/client-go/applyconfigurations/scheduling/v1+
+        k8s.io/api/scheduling/v1alpha1                               from k8s.io/client-go/applyconfigurations/scheduling/v1alpha1+
+        k8s.io/api/scheduling/v1beta1                                from k8s.io/client-go/applyconfigurations/scheduling/v1beta1+
+        k8s.io/api/storage/v1                                        from k8s.io/client-go/applyconfigurations/storage/v1+
+        k8s.io/api/storage/v1alpha1                                  from k8s.io/client-go/applyconfigurations/storage/v1alpha1+
+        k8s.io/api/storage/v1beta1                                   from k8s.io/client-go/applyconfigurations/storage/v1beta1+
+        k8s.io/api/storagemigration/v1alpha1                         from k8s.io/client-go/applyconfigurations/storagemigration/v1alpha1+
+        k8s.io/apiextensions-apiserver/pkg/apis/apiextensions        from k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1
+     💣 k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1     from sigs.k8s.io/controller-runtime/pkg/webhook/conversion
+        k8s.io/apimachinery/pkg/api/equality                         from k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1+
+        k8s.io/apimachinery/pkg/api/errors                           from k8s.io/apimachinery/pkg/util/managedfields/internal+
+        k8s.io/apimachinery/pkg/api/meta                             from k8s.io/apimachinery/pkg/api/validation+
+        k8s.io/apimachinery/pkg/api/resource                         from k8s.io/api/autoscaling/v1+
+        k8s.io/apimachinery/pkg/api/validation                       from k8s.io/apimachinery/pkg/util/managedfields/internal+
+     💣 k8s.io/apimachinery/pkg/apis/meta/internalversion            from k8s.io/apimachinery/pkg/apis/meta/internalversion/scheme+
+        k8s.io/apimachinery/pkg/apis/meta/internalversion/scheme     from k8s.io/client-go/metadata
+     💣 k8s.io/apimachinery/pkg/apis/meta/v1                         from k8s.io/api/admission/v1+
+        k8s.io/apimachinery/pkg/apis/meta/v1/unstructured            from k8s.io/apimachinery/pkg/runtime/serializer/versioning+
+        k8s.io/apimachinery/pkg/apis/meta/v1/validation              from k8s.io/apimachinery/pkg/api/validation+
+     💣 k8s.io/apimachinery/pkg/apis/meta/v1beta1                    from k8s.io/apimachinery/pkg/apis/meta/internalversion
+        k8s.io/apimachinery/pkg/conversion                           from k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1+
+        k8s.io/apimachinery/pkg/conversion/queryparams               from k8s.io/apimachinery/pkg/runtime+
+        k8s.io/apimachinery/pkg/fields                               from k8s.io/apimachinery/pkg/api/equality+
+        k8s.io/apimachinery/pkg/labels                               from k8s.io/apimachinery/pkg/api/equality+
+        k8s.io/apimachinery/pkg/runtime                              from k8s.io/api/admission/v1+
+        k8s.io/apimachinery/pkg/runtime/schema                       from k8s.io/api/admission/v1+
+        k8s.io/apimachinery/pkg/runtime/serializer                   from k8s.io/apimachinery/pkg/apis/meta/internalversion/scheme+
+        k8s.io/apimachinery/pkg/runtime/serializer/json              from k8s.io/apimachinery/pkg/runtime/serializer+
+        k8s.io/apimachinery/pkg/runtime/serializer/protobuf          from k8s.io/apimachinery/pkg/runtime/serializer
+        k8s.io/apimachinery/pkg/runtime/serializer/recognizer        from k8s.io/apimachinery/pkg/runtime/serializer+
+        k8s.io/apimachinery/pkg/runtime/serializer/streaming         from k8s.io/client-go/rest+
+        k8s.io/apimachinery/pkg/runtime/serializer/versioning        from k8s.io/apimachinery/pkg/runtime/serializer+
+        k8s.io/apimachinery/pkg/selection                            from k8s.io/apimachinery/pkg/apis/meta/v1+
+        k8s.io/apimachinery/pkg/types                                from k8s.io/api/admission/v1+
+        k8s.io/apimachinery/pkg/util/cache                           from k8s.io/client-go/tools/cache
+        k8s.io/apimachinery/pkg/util/diff                            from k8s.io/client-go/tools/cache
+        k8s.io/apimachinery/pkg/util/dump                            from k8s.io/apimachinery/pkg/util/diff+
+        k8s.io/apimachinery/pkg/util/errors                          from k8s.io/apimachinery/pkg/api/meta+
+        k8s.io/apimachinery/pkg/util/framer                          from k8s.io/apimachinery/pkg/runtime/serializer/json+
+        k8s.io/apimachinery/pkg/util/intstr                          from k8s.io/api/apps/v1+
+        k8s.io/apimachinery/pkg/util/json                            from k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1+
+        k8s.io/apimachinery/pkg/util/managedfields                   from k8s.io/client-go/applyconfigurations/admissionregistration/v1+
+        k8s.io/apimachinery/pkg/util/managedfields/internal          from k8s.io/apimachinery/pkg/util/managedfields
+        k8s.io/apimachinery/pkg/util/mergepatch                      from k8s.io/apimachinery/pkg/util/strategicpatch
+        k8s.io/apimachinery/pkg/util/naming                          from k8s.io/apimachinery/pkg/runtime+
+        k8s.io/apimachinery/pkg/util/net                             from k8s.io/apimachinery/pkg/watch+
+        k8s.io/apimachinery/pkg/util/rand                            from k8s.io/apiserver/pkg/storage/names
+        k8s.io/apimachinery/pkg/util/runtime                         from k8s.io/apimachinery/pkg/apis/meta/internalversion/scheme+
+        k8s.io/apimachinery/pkg/util/sets                            from k8s.io/apimachinery/pkg/api/meta+
+        k8s.io/apimachinery/pkg/util/strategicpatch                  from k8s.io/client-go/tools/record+
+        k8s.io/apimachinery/pkg/util/uuid                            from sigs.k8s.io/controller-runtime/pkg/internal/controller+
+        k8s.io/apimachinery/pkg/util/validation                      from k8s.io/apimachinery/pkg/api/validation+
+        k8s.io/apimachinery/pkg/util/validation/field                from k8s.io/apimachinery/pkg/api/errors+
+        k8s.io/apimachinery/pkg/util/wait                            from k8s.io/client-go/tools/cache+
+        k8s.io/apimachinery/pkg/util/yaml                            from k8s.io/apimachinery/pkg/runtime/serializer/json
+        k8s.io/apimachinery/pkg/version                              from k8s.io/client-go/discovery+
+        k8s.io/apimachinery/pkg/watch                                from k8s.io/apimachinery/pkg/apis/meta/v1+
+        k8s.io/apimachinery/third_party/forked/golang/json           from k8s.io/apimachinery/pkg/util/strategicpatch
+        k8s.io/apimachinery/third_party/forked/golang/reflect        from k8s.io/apimachinery/pkg/conversion
+        k8s.io/apiserver/pkg/storage/names                           from tailscale.com/cmd/k8s-operator
+        k8s.io/client-go/applyconfigurations/admissionregistration/v1 from k8s.io/client-go/applyconfigurations/admissionregistration/v1alpha1+
+        k8s.io/client-go/applyconfigurations/admissionregistration/v1alpha1 from k8s.io/client-go/kubernetes/typed/admissionregistration/v1alpha1
+        k8s.io/client-go/applyconfigurations/admissionregistration/v1beta1 from k8s.io/client-go/kubernetes/typed/admissionregistration/v1beta1
+        k8s.io/client-go/applyconfigurations/apiserverinternal/v1alpha1 from k8s.io/client-go/kubernetes/typed/apiserverinternal/v1alpha1
+        k8s.io/client-go/applyconfigurations/apps/v1                 from k8s.io/client-go/kubernetes/typed/apps/v1
+        k8s.io/client-go/applyconfigurations/apps/v1beta1            from k8s.io/client-go/kubernetes/typed/apps/v1beta1
+        k8s.io/client-go/applyconfigurations/apps/v1beta2            from k8s.io/client-go/kubernetes/typed/apps/v1beta2
+        k8s.io/client-go/applyconfigurations/autoscaling/v1          from k8s.io/client-go/kubernetes/typed/apps/v1+
+        k8s.io/client-go/applyconfigurations/autoscaling/v2          from k8s.io/client-go/kubernetes/typed/autoscaling/v2
+        k8s.io/client-go/applyconfigurations/autoscaling/v2beta1     from k8s.io/client-go/kubernetes/typed/autoscaling/v2beta1
+        k8s.io/client-go/applyconfigurations/autoscaling/v2beta2     from k8s.io/client-go/kubernetes/typed/autoscaling/v2beta2
+        k8s.io/client-go/applyconfigurations/batch/v1                from k8s.io/client-go/applyconfigurations/batch/v1beta1+
+        k8s.io/client-go/applyconfigurations/batch/v1beta1           from k8s.io/client-go/kubernetes/typed/batch/v1beta1
+        k8s.io/client-go/applyconfigurations/certificates/v1         from k8s.io/client-go/kubernetes/typed/certificates/v1
+        k8s.io/client-go/applyconfigurations/certificates/v1alpha1   from k8s.io/client-go/kubernetes/typed/certificates/v1alpha1
+        k8s.io/client-go/applyconfigurations/certificates/v1beta1    from k8s.io/client-go/kubernetes/typed/certificates/v1beta1
+        k8s.io/client-go/applyconfigurations/coordination/v1         from k8s.io/client-go/kubernetes/typed/coordination/v1
+        k8s.io/client-go/applyconfigurations/coordination/v1beta1    from k8s.io/client-go/kubernetes/typed/coordination/v1beta1
+        k8s.io/client-go/applyconfigurations/core/v1                 from k8s.io/client-go/applyconfigurations/apps/v1+
+        k8s.io/client-go/applyconfigurations/discovery/v1            from k8s.io/client-go/kubernetes/typed/discovery/v1
+        k8s.io/client-go/applyconfigurations/discovery/v1beta1       from k8s.io/client-go/kubernetes/typed/discovery/v1beta1
+        k8s.io/client-go/applyconfigurations/events/v1               from k8s.io/client-go/kubernetes/typed/events/v1
+        k8s.io/client-go/applyconfigurations/events/v1beta1          from k8s.io/client-go/kubernetes/typed/events/v1beta1
+        k8s.io/client-go/applyconfigurations/extensions/v1beta1      from k8s.io/client-go/kubernetes/typed/extensions/v1beta1
+        k8s.io/client-go/applyconfigurations/flowcontrol/v1          from k8s.io/client-go/kubernetes/typed/flowcontrol/v1
+        k8s.io/client-go/applyconfigurations/flowcontrol/v1beta1     from k8s.io/client-go/kubernetes/typed/flowcontrol/v1beta1
+        k8s.io/client-go/applyconfigurations/flowcontrol/v1beta2     from k8s.io/client-go/kubernetes/typed/flowcontrol/v1beta2
+        k8s.io/client-go/applyconfigurations/flowcontrol/v1beta3     from k8s.io/client-go/kubernetes/typed/flowcontrol/v1beta3
+        k8s.io/client-go/applyconfigurations/internal                from k8s.io/client-go/applyconfigurations/admissionregistration/v1+
+        k8s.io/client-go/applyconfigurations/meta/v1                 from k8s.io/client-go/applyconfigurations/admissionregistration/v1+
+        k8s.io/client-go/applyconfigurations/networking/v1           from k8s.io/client-go/kubernetes/typed/networking/v1
+        k8s.io/client-go/applyconfigurations/networking/v1alpha1     from k8s.io/client-go/kubernetes/typed/networking/v1alpha1
+        k8s.io/client-go/applyconfigurations/networking/v1beta1      from k8s.io/client-go/kubernetes/typed/networking/v1beta1
+        k8s.io/client-go/applyconfigurations/node/v1                 from k8s.io/client-go/kubernetes/typed/node/v1
+        k8s.io/client-go/applyconfigurations/node/v1alpha1           from k8s.io/client-go/kubernetes/typed/node/v1alpha1
+        k8s.io/client-go/applyconfigurations/node/v1beta1            from k8s.io/client-go/kubernetes/typed/node/v1beta1
+        k8s.io/client-go/applyconfigurations/policy/v1               from k8s.io/client-go/kubernetes/typed/policy/v1
+        k8s.io/client-go/applyconfigurations/policy/v1beta1          from k8s.io/client-go/kubernetes/typed/policy/v1beta1
+        k8s.io/client-go/applyconfigurations/rbac/v1                 from k8s.io/client-go/kubernetes/typed/rbac/v1
+        k8s.io/client-go/applyconfigurations/rbac/v1alpha1           from k8s.io/client-go/kubernetes/typed/rbac/v1alpha1
+        k8s.io/client-go/applyconfigurations/rbac/v1beta1            from k8s.io/client-go/kubernetes/typed/rbac/v1beta1
+        k8s.io/client-go/applyconfigurations/resource/v1alpha2       from k8s.io/client-go/kubernetes/typed/resource/v1alpha2
+        k8s.io/client-go/applyconfigurations/scheduling/v1           from k8s.io/client-go/kubernetes/typed/scheduling/v1
+        k8s.io/client-go/applyconfigurations/scheduling/v1alpha1     from k8s.io/client-go/kubernetes/typed/scheduling/v1alpha1
+        k8s.io/client-go/applyconfigurations/scheduling/v1beta1      from k8s.io/client-go/kubernetes/typed/scheduling/v1beta1
+        k8s.io/client-go/applyconfigurations/storage/v1              from k8s.io/client-go/kubernetes/typed/storage/v1
+        k8s.io/client-go/applyconfigurations/storage/v1alpha1        from k8s.io/client-go/kubernetes/typed/storage/v1alpha1
+        k8s.io/client-go/applyconfigurations/storage/v1beta1         from k8s.io/client-go/kubernetes/typed/storage/v1beta1
+        k8s.io/client-go/applyconfigurations/storagemigration/v1alpha1 from k8s.io/client-go/kubernetes/typed/storagemigration/v1alpha1
+        k8s.io/client-go/discovery                                   from k8s.io/client-go/applyconfigurations/meta/v1+
+        k8s.io/client-go/dynamic                                     from sigs.k8s.io/controller-runtime/pkg/cache/internal+
+        k8s.io/client-go/features                                    from k8s.io/client-go/tools/cache
+        k8s.io/client-go/kubernetes                                  from k8s.io/client-go/tools/leaderelection/resourcelock
+        k8s.io/client-go/kubernetes/scheme                           from k8s.io/client-go/discovery+
+        k8s.io/client-go/kubernetes/typed/admissionregistration/v1   from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/admissionregistration/v1alpha1 from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/admissionregistration/v1beta1 from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/apiserverinternal/v1alpha1 from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/apps/v1                    from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/apps/v1beta1               from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/apps/v1beta2               from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/authentication/v1          from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/authentication/v1alpha1    from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/authentication/v1beta1     from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/authorization/v1           from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/authorization/v1beta1      from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/autoscaling/v1             from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/autoscaling/v2             from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/autoscaling/v2beta1        from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/autoscaling/v2beta2        from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/batch/v1                   from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/batch/v1beta1              from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/certificates/v1            from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/certificates/v1alpha1      from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/certificates/v1beta1       from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/coordination/v1            from k8s.io/client-go/kubernetes+
+        k8s.io/client-go/kubernetes/typed/coordination/v1beta1       from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/core/v1                    from k8s.io/client-go/kubernetes+
+        k8s.io/client-go/kubernetes/typed/discovery/v1               from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/discovery/v1beta1          from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/events/v1                  from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/events/v1beta1             from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/extensions/v1beta1         from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/flowcontrol/v1             from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/flowcontrol/v1beta1        from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/flowcontrol/v1beta2        from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/flowcontrol/v1beta3        from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/networking/v1              from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/networking/v1alpha1        from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/networking/v1beta1         from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/node/v1                    from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/node/v1alpha1              from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/node/v1beta1               from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/policy/v1                  from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/policy/v1beta1             from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/rbac/v1                    from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/rbac/v1alpha1              from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/rbac/v1beta1               from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/resource/v1alpha2          from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/scheduling/v1              from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/scheduling/v1alpha1        from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/scheduling/v1beta1         from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/storage/v1                 from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/storage/v1alpha1           from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/storage/v1beta1            from k8s.io/client-go/kubernetes
+        k8s.io/client-go/kubernetes/typed/storagemigration/v1alpha1  from k8s.io/client-go/kubernetes
+        k8s.io/client-go/metadata                                    from sigs.k8s.io/controller-runtime/pkg/cache/internal+
+        k8s.io/client-go/openapi                                     from k8s.io/client-go/discovery
+        k8s.io/client-go/pkg/apis/clientauthentication               from k8s.io/client-go/pkg/apis/clientauthentication/install+
+        k8s.io/client-go/pkg/apis/clientauthentication/install       from k8s.io/client-go/plugin/pkg/client/auth/exec
+     💣 k8s.io/client-go/pkg/apis/clientauthentication/v1            from k8s.io/client-go/pkg/apis/clientauthentication/install+
+     💣 k8s.io/client-go/pkg/apis/clientauthentication/v1beta1       from k8s.io/client-go/pkg/apis/clientauthentication/install+
+        k8s.io/client-go/pkg/version                                 from k8s.io/client-go/rest
+        k8s.io/client-go/plugin/pkg/client/auth/exec                 from k8s.io/client-go/rest
+        k8s.io/client-go/rest                                        from k8s.io/client-go/discovery+
+        k8s.io/client-go/rest/watch                                  from k8s.io/client-go/rest
+        k8s.io/client-go/restmapper                                  from sigs.k8s.io/controller-runtime/pkg/client/apiutil
+        k8s.io/client-go/tools/auth                                  from k8s.io/client-go/tools/clientcmd
+        k8s.io/client-go/tools/cache                                 from sigs.k8s.io/controller-runtime/pkg/cache+
+        k8s.io/client-go/tools/cache/synctrack                       from k8s.io/client-go/tools/cache
+        k8s.io/client-go/tools/clientcmd                             from sigs.k8s.io/controller-runtime/pkg/client/config
+        k8s.io/client-go/tools/clientcmd/api                         from k8s.io/client-go/plugin/pkg/client/auth/exec+
+        k8s.io/client-go/tools/clientcmd/api/latest                  from k8s.io/client-go/tools/clientcmd
+     💣 k8s.io/client-go/tools/clientcmd/api/v1                      from k8s.io/client-go/tools/clientcmd/api/latest
+        k8s.io/client-go/tools/internal/events                       from k8s.io/client-go/tools/record
+        k8s.io/client-go/tools/leaderelection                        from sigs.k8s.io/controller-runtime/pkg/manager+
+        k8s.io/client-go/tools/leaderelection/resourcelock           from k8s.io/client-go/tools/leaderelection+
+        k8s.io/client-go/tools/metrics                               from k8s.io/client-go/plugin/pkg/client/auth/exec+
+        k8s.io/client-go/tools/pager                                 from k8s.io/client-go/tools/cache
+        k8s.io/client-go/tools/record                                from sigs.k8s.io/controller-runtime/pkg/cluster+
+        k8s.io/client-go/tools/record/util                           from k8s.io/client-go/tools/record
+        k8s.io/client-go/tools/reference                             from k8s.io/client-go/kubernetes/typed/core/v1+
+        k8s.io/client-go/transport                                   from k8s.io/client-go/plugin/pkg/client/auth/exec+
+        k8s.io/client-go/util/cert                                   from k8s.io/client-go/rest+
+        k8s.io/client-go/util/connrotation                           from k8s.io/client-go/plugin/pkg/client/auth/exec+
+        k8s.io/client-go/util/flowcontrol                            from k8s.io/client-go/kubernetes+
+        k8s.io/client-go/util/homedir                                from k8s.io/client-go/tools/clientcmd
+        k8s.io/client-go/util/keyutil                                from k8s.io/client-go/util/cert
+        k8s.io/client-go/util/workqueue                              from k8s.io/client-go/transport+
+        k8s.io/klog/v2                                               from k8s.io/apimachinery/pkg/api/meta+
+        k8s.io/klog/v2/internal/buffer                               from k8s.io/klog/v2
+        k8s.io/klog/v2/internal/clock                                from k8s.io/klog/v2
+        k8s.io/klog/v2/internal/dbg                                  from k8s.io/klog/v2
+        k8s.io/klog/v2/internal/serialize                            from k8s.io/klog/v2
+        k8s.io/klog/v2/internal/severity                             from k8s.io/klog/v2+
+        k8s.io/klog/v2/internal/sloghandler                          from k8s.io/klog/v2
+        k8s.io/kube-openapi/pkg/cached                               from k8s.io/kube-openapi/pkg/handler3
+        k8s.io/kube-openapi/pkg/common                               from k8s.io/kube-openapi/pkg/handler3
+        k8s.io/kube-openapi/pkg/handler3                             from k8s.io/client-go/openapi
+        k8s.io/kube-openapi/pkg/internal                             from k8s.io/kube-openapi/pkg/spec3+
+        k8s.io/kube-openapi/pkg/internal/third_party/go-json-experiment/json from k8s.io/kube-openapi/pkg/internal+
+        k8s.io/kube-openapi/pkg/schemaconv                           from k8s.io/apimachinery/pkg/util/managedfields+
+        k8s.io/kube-openapi/pkg/spec3                                from k8s.io/client-go/openapi+
+        k8s.io/kube-openapi/pkg/util/proto                           from k8s.io/apimachinery/pkg/util/managedfields+
+        k8s.io/kube-openapi/pkg/validation/spec                      from k8s.io/apimachinery/pkg/util/managedfields+
+        k8s.io/utils/buffer                                          from k8s.io/client-go/tools/cache
+        k8s.io/utils/clock                                           from k8s.io/apimachinery/pkg/util/cache+
+        k8s.io/utils/clock/testing                                   from k8s.io/client-go/util/flowcontrol
+        k8s.io/utils/internal/third_party/forked/golang/net          from k8s.io/utils/net
+        k8s.io/utils/net                                             from k8s.io/apimachinery/pkg/util/net+
+        k8s.io/utils/pointer                                         from k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1+
+        k8s.io/utils/ptr                                             from k8s.io/client-go/tools/cache+
+        k8s.io/utils/strings/slices                                  from k8s.io/apimachinery/pkg/labels
+        k8s.io/utils/trace                                           from k8s.io/client-go/tools/cache
+        nhooyr.io/websocket                                          from tailscale.com/control/controlhttp+
+        nhooyr.io/websocket/internal/errd                            from nhooyr.io/websocket
+        nhooyr.io/websocket/internal/util                            from nhooyr.io/websocket
+        nhooyr.io/websocket/internal/xsync                           from nhooyr.io/websocket
+        sigs.k8s.io/controller-runtime/pkg/builder                   from tailscale.com/cmd/k8s-operator
+        sigs.k8s.io/controller-runtime/pkg/cache                     from sigs.k8s.io/controller-runtime/pkg/cluster+
+        sigs.k8s.io/controller-runtime/pkg/cache/internal            from sigs.k8s.io/controller-runtime/pkg/cache
+        sigs.k8s.io/controller-runtime/pkg/certwatcher               from sigs.k8s.io/controller-runtime/pkg/metrics/server+
+        sigs.k8s.io/controller-runtime/pkg/certwatcher/metrics       from sigs.k8s.io/controller-runtime/pkg/certwatcher
+        sigs.k8s.io/controller-runtime/pkg/client                    from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/client/apiutil            from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/client/config             from tailscale.com/cmd/k8s-operator
+        sigs.k8s.io/controller-runtime/pkg/cluster                   from sigs.k8s.io/controller-runtime/pkg/manager
+        sigs.k8s.io/controller-runtime/pkg/config                    from sigs.k8s.io/controller-runtime/pkg/manager
+        sigs.k8s.io/controller-runtime/pkg/controller                from sigs.k8s.io/controller-runtime/pkg/builder
+        sigs.k8s.io/controller-runtime/pkg/conversion                from sigs.k8s.io/controller-runtime/pkg/webhook/conversion
+        sigs.k8s.io/controller-runtime/pkg/event                     from sigs.k8s.io/controller-runtime/pkg/handler+
+        sigs.k8s.io/controller-runtime/pkg/handler                   from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/healthz                   from sigs.k8s.io/controller-runtime/pkg/manager+
+        sigs.k8s.io/controller-runtime/pkg/internal/controller       from sigs.k8s.io/controller-runtime/pkg/controller
+        sigs.k8s.io/controller-runtime/pkg/internal/controller/metrics from sigs.k8s.io/controller-runtime/pkg/internal/controller
+        sigs.k8s.io/controller-runtime/pkg/internal/field/selector   from sigs.k8s.io/controller-runtime/pkg/cache/internal
+        sigs.k8s.io/controller-runtime/pkg/internal/httpserver       from sigs.k8s.io/controller-runtime/pkg/manager+
+        sigs.k8s.io/controller-runtime/pkg/internal/log              from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/internal/recorder         from sigs.k8s.io/controller-runtime/pkg/cluster+
+        sigs.k8s.io/controller-runtime/pkg/internal/source           from sigs.k8s.io/controller-runtime/pkg/source
+        sigs.k8s.io/controller-runtime/pkg/internal/syncs            from sigs.k8s.io/controller-runtime/pkg/cache/internal
+        sigs.k8s.io/controller-runtime/pkg/leaderelection            from sigs.k8s.io/controller-runtime/pkg/manager
+        sigs.k8s.io/controller-runtime/pkg/log                       from sigs.k8s.io/controller-runtime/pkg/client+
+        sigs.k8s.io/controller-runtime/pkg/log/zap                   from tailscale.com/cmd/k8s-operator
+        sigs.k8s.io/controller-runtime/pkg/manager                   from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/manager/signals           from tailscale.com/cmd/k8s-operator
+        sigs.k8s.io/controller-runtime/pkg/metrics                   from sigs.k8s.io/controller-runtime/pkg/certwatcher/metrics+
+        sigs.k8s.io/controller-runtime/pkg/metrics/server            from sigs.k8s.io/controller-runtime/pkg/manager
+        sigs.k8s.io/controller-runtime/pkg/predicate                 from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/ratelimiter               from sigs.k8s.io/controller-runtime/pkg/controller+
+        sigs.k8s.io/controller-runtime/pkg/reconcile                 from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/recorder                  from sigs.k8s.io/controller-runtime/pkg/leaderelection+
+        sigs.k8s.io/controller-runtime/pkg/source                    from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/webhook                   from sigs.k8s.io/controller-runtime/pkg/manager
+        sigs.k8s.io/controller-runtime/pkg/webhook/admission         from sigs.k8s.io/controller-runtime/pkg/builder+
+        sigs.k8s.io/controller-runtime/pkg/webhook/conversion        from sigs.k8s.io/controller-runtime/pkg/builder
+        sigs.k8s.io/controller-runtime/pkg/webhook/internal/metrics  from sigs.k8s.io/controller-runtime/pkg/webhook+
+        sigs.k8s.io/json                                             from k8s.io/apimachinery/pkg/runtime/serializer/json+
+        sigs.k8s.io/json/internal/golang/encoding/json               from sigs.k8s.io/json
+     💣 sigs.k8s.io/structured-merge-diff/v4/fieldpath               from k8s.io/apimachinery/pkg/util/managedfields+
+        sigs.k8s.io/structured-merge-diff/v4/merge                   from k8s.io/apimachinery/pkg/util/managedfields/internal
+        sigs.k8s.io/structured-merge-diff/v4/schema                  from k8s.io/apimachinery/pkg/util/managedfields+
+        sigs.k8s.io/structured-merge-diff/v4/typed                   from k8s.io/apimachinery/pkg/util/managedfields+
+        sigs.k8s.io/structured-merge-diff/v4/value                   from k8s.io/apimachinery/pkg/runtime+
+        sigs.k8s.io/yaml                                             from k8s.io/apimachinery/pkg/runtime/serializer/json+
+        sigs.k8s.io/yaml/goyaml.v2                                   from sigs.k8s.io/yaml
+        tailscale.com                                                from tailscale.com/version
+        tailscale.com/appc                                           from tailscale.com/ipn/ipnlocal
+        tailscale.com/atomicfile                                     from tailscale.com/ipn+
+        tailscale.com/client/tailscale                               from tailscale.com/client/web+
+        tailscale.com/client/tailscale/apitype                       from tailscale.com/client/tailscale+
+        tailscale.com/client/web                                     from tailscale.com/ipn/ipnlocal
+        tailscale.com/clientupdate                                   from tailscale.com/client/web+
+        tailscale.com/clientupdate/distsign                          from tailscale.com/clientupdate
+        tailscale.com/control/controlbase                            from tailscale.com/control/controlhttp+
+        tailscale.com/control/controlclient                          from tailscale.com/ipn/ipnlocal+
+        tailscale.com/control/controlhttp                            from tailscale.com/control/controlclient
+        tailscale.com/control/controlknobs                           from tailscale.com/control/controlclient+
+        tailscale.com/derp                                           from tailscale.com/derp/derphttp+
+        tailscale.com/derp/derphttp                                  from tailscale.com/ipn/localapi+
+        tailscale.com/disco                                          from tailscale.com/derp+
+        tailscale.com/doctor                                         from tailscale.com/ipn/ipnlocal
+        tailscale.com/doctor/ethtool                                 from tailscale.com/ipn/ipnlocal
+     💣 tailscale.com/doctor/permissions                             from tailscale.com/ipn/ipnlocal
+        tailscale.com/doctor/routetable                              from tailscale.com/ipn/ipnlocal
+        tailscale.com/drive                                          from tailscale.com/client/tailscale+
+        tailscale.com/envknob                                        from tailscale.com/client/tailscale+
+        tailscale.com/health                                         from tailscale.com/control/controlclient+
+        tailscale.com/health/healthmsg                               from tailscale.com/ipn/ipnlocal
+        tailscale.com/hostinfo                                       from tailscale.com/client/web+
+        tailscale.com/internal/noiseconn                             from tailscale.com/control/controlclient
+        tailscale.com/ipn                                            from tailscale.com/client/tailscale+
+        tailscale.com/ipn/conffile                                   from tailscale.com/ipn/ipnlocal+
+     💣 tailscale.com/ipn/ipnauth                                    from tailscale.com/ipn/ipnlocal+
+        tailscale.com/ipn/ipnlocal                                   from tailscale.com/ipn/localapi+
+        tailscale.com/ipn/ipnstate                                   from tailscale.com/client/tailscale+
+        tailscale.com/ipn/localapi                                   from tailscale.com/tsnet
+        tailscale.com/ipn/policy                                     from tailscale.com/ipn/ipnlocal
+        tailscale.com/ipn/store                                      from tailscale.com/ipn/ipnlocal+
+   L    tailscale.com/ipn/store/awsstore                             from tailscale.com/ipn/store
+        tailscale.com/ipn/store/kubestore                            from tailscale.com/cmd/k8s-operator+
+        tailscale.com/ipn/store/mem                                  from tailscale.com/ipn/ipnlocal+
+        tailscale.com/k8s-operator                                   from tailscale.com/cmd/k8s-operator
+        tailscale.com/k8s-operator/apis                              from tailscale.com/k8s-operator/apis/v1alpha1
+        tailscale.com/k8s-operator/apis/v1alpha1                     from tailscale.com/cmd/k8s-operator+
+        tailscale.com/k8s-operator/sessionrecording                  from tailscale.com/cmd/k8s-operator
+        tailscale.com/k8s-operator/sessionrecording/conn             from tailscale.com/k8s-operator/sessionrecording/spdy
+        tailscale.com/k8s-operator/sessionrecording/spdy             from tailscale.com/k8s-operator/sessionrecording
+        tailscale.com/k8s-operator/sessionrecording/tsrecorder       from tailscale.com/k8s-operator/sessionrecording+
+        tailscale.com/kube                                           from tailscale.com/cmd/k8s-operator+
+        tailscale.com/licenses                                       from tailscale.com/client/web
+        tailscale.com/log/filelogger                                 from tailscale.com/logpolicy
+        tailscale.com/log/sockstatlog                                from tailscale.com/ipn/ipnlocal
+        tailscale.com/logpolicy                                      from tailscale.com/ipn/ipnlocal+
+        tailscale.com/logtail                                        from tailscale.com/control/controlclient+
+        tailscale.com/logtail/backoff                                from tailscale.com/control/controlclient+
+        tailscale.com/logtail/filch                                  from tailscale.com/log/sockstatlog+
+        tailscale.com/metrics                                        from tailscale.com/derp+
+        tailscale.com/net/captivedetection                           from tailscale.com/ipn/ipnlocal+
+        tailscale.com/net/connstats                                  from tailscale.com/net/tstun+
+        tailscale.com/net/dns                                        from tailscale.com/ipn/ipnlocal+
+        tailscale.com/net/dns/publicdns                              from tailscale.com/net/dns+
+        tailscale.com/net/dns/recursive                              from tailscale.com/net/dnsfallback
+        tailscale.com/net/dns/resolvconffile                         from tailscale.com/cmd/k8s-operator+
+        tailscale.com/net/dns/resolver                               from tailscale.com/net/dns
+        tailscale.com/net/dnscache                                   from tailscale.com/control/controlclient+
+        tailscale.com/net/dnsfallback                                from tailscale.com/control/controlclient+
+        tailscale.com/net/flowtrack                                  from tailscale.com/net/packet+
+        tailscale.com/net/ipset                                      from tailscale.com/ipn/ipnlocal+
+        tailscale.com/net/memnet                                     from tailscale.com/tsnet
+        tailscale.com/net/netaddr                                    from tailscale.com/ipn+
+        tailscale.com/net/netcheck                                   from tailscale.com/ipn/ipnlocal+
+        tailscale.com/net/neterror                                   from tailscale.com/net/dns/resolver+
+        tailscale.com/net/netkernelconf                              from tailscale.com/ipn/ipnlocal
+        tailscale.com/net/netknob                                    from tailscale.com/logpolicy+
+     💣 tailscale.com/net/netmon                                     from tailscale.com/control/controlclient+
+     💣 tailscale.com/net/netns                                      from tailscale.com/derp/derphttp+
+   W 💣 tailscale.com/net/netstat                                    from tailscale.com/portlist
+        tailscale.com/net/netutil                                    from tailscale.com/client/tailscale+
+        tailscale.com/net/packet                                     from tailscale.com/net/connstats+
+        tailscale.com/net/packet/checksum                            from tailscale.com/net/tstun
+        tailscale.com/net/ping                                       from tailscale.com/net/netcheck+
+        tailscale.com/net/portmapper                                 from tailscale.com/ipn/localapi+
+        tailscale.com/net/proxymux                                   from tailscale.com/tsnet
+        tailscale.com/net/routetable                                 from tailscale.com/doctor/routetable
+        tailscale.com/net/socks5                                     from tailscale.com/tsnet
+        tailscale.com/net/sockstats                                  from tailscale.com/control/controlclient+
+        tailscale.com/net/stun                                       from tailscale.com/ipn/localapi+
+   L    tailscale.com/net/tcpinfo                                    from tailscale.com/derp
+        tailscale.com/net/tlsdial                                    from tailscale.com/control/controlclient+
+        tailscale.com/net/tsaddr                                     from tailscale.com/client/web+
+        tailscale.com/net/tsdial                                     from tailscale.com/control/controlclient+
+     💣 tailscale.com/net/tshttpproxy                                from tailscale.com/clientupdate/distsign+
+        tailscale.com/net/tstun                                      from tailscale.com/tsd+
+        tailscale.com/net/wsconn                                     from tailscale.com/control/controlhttp+
+        tailscale.com/omit                                           from tailscale.com/ipn/conffile
+        tailscale.com/paths                                          from tailscale.com/client/tailscale+
+     💣 tailscale.com/portlist                                       from tailscale.com/ipn/ipnlocal
+        tailscale.com/posture                                        from tailscale.com/ipn/ipnlocal
+        tailscale.com/proxymap                                       from tailscale.com/tsd+
+     💣 tailscale.com/safesocket                                     from tailscale.com/client/tailscale+
+        tailscale.com/sessionrecording                               from tailscale.com/cmd/k8s-operator+
+        tailscale.com/syncs                                          from tailscale.com/control/controlknobs+
+        tailscale.com/tailcfg                                        from tailscale.com/client/tailscale+
+        tailscale.com/taildrop                                       from tailscale.com/ipn/ipnlocal+
+        tailscale.com/tempfork/heap                                  from tailscale.com/wgengine/magicsock
+        tailscale.com/tka                                            from tailscale.com/client/tailscale+
+   W    tailscale.com/tsconst                                        from tailscale.com/net/netmon+
+        tailscale.com/tsd                                            from tailscale.com/ipn/ipnlocal+
+        tailscale.com/tsnet                                          from tailscale.com/cmd/k8s-operator+
+        tailscale.com/tstime                                         from tailscale.com/cmd/k8s-operator+
+        tailscale.com/tstime/mono                                    from tailscale.com/net/tstun+
+        tailscale.com/tstime/rate                                    from tailscale.com/derp+
+        tailscale.com/types/appctype                                 from tailscale.com/ipn/ipnlocal
+        tailscale.com/types/dnstype                                  from tailscale.com/ipn/ipnlocal+
+        tailscale.com/types/empty                                    from tailscale.com/ipn+
+        tailscale.com/types/ipproto                                  from tailscale.com/net/flowtrack+
+        tailscale.com/types/key                                      from tailscale.com/client/tailscale+
+        tailscale.com/types/lazy                                     from tailscale.com/ipn/ipnlocal+
+        tailscale.com/types/logger                                   from tailscale.com/appc+
+        tailscale.com/types/logid                                    from tailscale.com/ipn/ipnlocal+
+        tailscale.com/types/netlogtype                               from tailscale.com/net/connstats+
+        tailscale.com/types/netmap                                   from tailscale.com/control/controlclient+
+        tailscale.com/types/nettype                                  from tailscale.com/ipn/localapi+
+        tailscale.com/types/opt                                      from tailscale.com/client/tailscale+
+        tailscale.com/types/persist                                  from tailscale.com/control/controlclient+
+        tailscale.com/types/preftype                                 from tailscale.com/ipn+
+        tailscale.com/types/ptr                                      from tailscale.com/cmd/k8s-operator+
+        tailscale.com/types/structs                                  from tailscale.com/control/controlclient+
+        tailscale.com/types/tkatype                                  from tailscale.com/client/tailscale+
+        tailscale.com/types/views                                    from tailscale.com/appc+
+        tailscale.com/util/cibuild                                   from tailscale.com/health
+        tailscale.com/util/clientmetric                              from tailscale.com/cmd/k8s-operator+
+        tailscale.com/util/cloudenv                                  from tailscale.com/hostinfo+
+        tailscale.com/util/cmpver                                    from tailscale.com/clientupdate+
+        tailscale.com/util/ctxkey                                    from tailscale.com/cmd/k8s-operator+
+     💣 tailscale.com/util/deephash                                  from tailscale.com/ipn/ipnlocal+
+   L 💣 tailscale.com/util/dirwalk                                   from tailscale.com/metrics+
+        tailscale.com/util/dnsname                                   from tailscale.com/appc+
+        tailscale.com/util/execqueue                                 from tailscale.com/appc+
+        tailscale.com/util/goroutines                                from tailscale.com/ipn/ipnlocal
+        tailscale.com/util/groupmember                               from tailscale.com/client/web+
+     💣 tailscale.com/util/hashx                                     from tailscale.com/util/deephash
+        tailscale.com/util/httphdr                                   from tailscale.com/ipn/ipnlocal+
+        tailscale.com/util/httpm                                     from tailscale.com/client/tailscale+
+        tailscale.com/util/lineread                                  from tailscale.com/hostinfo+
+   L    tailscale.com/util/linuxfw                                   from tailscale.com/net/netns+
+        tailscale.com/util/mak                                       from tailscale.com/appc+
+        tailscale.com/util/multierr                                  from tailscale.com/control/controlclient+
+        tailscale.com/util/must                                      from tailscale.com/clientupdate/distsign+
+        tailscale.com/util/nocasemaps                                from tailscale.com/types/ipproto
+     💣 tailscale.com/util/osdiag                                    from tailscale.com/ipn/localapi
+   W 💣 tailscale.com/util/osdiag/internal/wsc                       from tailscale.com/util/osdiag
+        tailscale.com/util/osshare                                   from tailscale.com/ipn/ipnlocal
+        tailscale.com/util/osuser                                    from tailscale.com/ipn/ipnlocal+
+        tailscale.com/util/progresstracking                          from tailscale.com/ipn/localapi
+        tailscale.com/util/race                                      from tailscale.com/net/dns/resolver
+        tailscale.com/util/racebuild                                 from tailscale.com/logpolicy
+        tailscale.com/util/rands                                     from tailscale.com/ipn/ipnlocal+
+        tailscale.com/util/ringbuffer                                from tailscale.com/wgengine/magicsock
+        tailscale.com/util/set                                       from tailscale.com/cmd/k8s-operator+
+        tailscale.com/util/singleflight                              from tailscale.com/control/controlclient+
+        tailscale.com/util/slicesx                                   from tailscale.com/appc+
+        tailscale.com/util/syspolicy                                 from tailscale.com/control/controlclient+
+        tailscale.com/util/sysresources                              from tailscale.com/wgengine/magicsock
+        tailscale.com/util/systemd                                   from tailscale.com/control/controlclient+
+        tailscale.com/util/testenv                                   from tailscale.com/control/controlclient+
+        tailscale.com/util/truncate                                  from tailscale.com/logtail
+        tailscale.com/util/uniq                                      from tailscale.com/ipn/ipnlocal+
+        tailscale.com/util/vizerror                                  from tailscale.com/tailcfg+
+     💣 tailscale.com/util/winutil                                   from tailscale.com/clientupdate+
+   W 💣 tailscale.com/util/winutil/authenticode                      from tailscale.com/clientupdate+
+   W 💣 tailscale.com/util/winutil/gp                                from tailscale.com/net/dns
+   W    tailscale.com/util/winutil/policy                            from tailscale.com/ipn/ipnlocal
+   W 💣 tailscale.com/util/winutil/winenv                            from tailscale.com/hostinfo+
+        tailscale.com/util/zstdframe                                 from tailscale.com/control/controlclient+
+        tailscale.com/version                                        from tailscale.com/client/web+
+        tailscale.com/version/distro                                 from tailscale.com/client/web+
+        tailscale.com/wgengine                                       from tailscale.com/ipn/ipnlocal+
+        tailscale.com/wgengine/capture                               from tailscale.com/ipn/ipnlocal+
+        tailscale.com/wgengine/filter                                from tailscale.com/control/controlclient+
+        tailscale.com/wgengine/filter/filtertype                     from tailscale.com/types/netmap+
+     💣 tailscale.com/wgengine/magicsock                             from tailscale.com/ipn/ipnlocal+
+        tailscale.com/wgengine/netlog                                from tailscale.com/wgengine
+        tailscale.com/wgengine/netstack                              from tailscale.com/tsnet
+        tailscale.com/wgengine/router                                from tailscale.com/ipn/ipnlocal+
+        tailscale.com/wgengine/wgcfg                                 from tailscale.com/ipn/ipnlocal+
+        tailscale.com/wgengine/wgcfg/nmcfg                           from tailscale.com/ipn/ipnlocal
+     💣 tailscale.com/wgengine/wgint                                 from tailscale.com/wgengine+
+        tailscale.com/wgengine/wglog                                 from tailscale.com/wgengine
+   W 💣 tailscale.com/wgengine/winnet                                from tailscale.com/wgengine/router
+        golang.org/x/crypto/argon2                                   from tailscale.com/tka
+        golang.org/x/crypto/blake2b                                  from golang.org/x/crypto/argon2+
+        golang.org/x/crypto/blake2s                                  from github.com/tailscale/wireguard-go/device+
+  LD    golang.org/x/crypto/blowfish                                 from github.com/tailscale/golang-x-crypto/ssh/internal/bcrypt_pbkdf
+        golang.org/x/crypto/chacha20                                 from github.com/tailscale/golang-x-crypto/ssh+
+        golang.org/x/crypto/chacha20poly1305                         from crypto/tls+
+        golang.org/x/crypto/cryptobyte                               from crypto/ecdsa+
+        golang.org/x/crypto/cryptobyte/asn1                          from crypto/ecdsa+
+        golang.org/x/crypto/curve25519                               from github.com/tailscale/golang-x-crypto/ssh+
+        golang.org/x/crypto/hkdf                                     from crypto/tls+
+        golang.org/x/crypto/nacl/box                                 from tailscale.com/types/key
+        golang.org/x/crypto/nacl/secretbox                           from golang.org/x/crypto/nacl/box
+        golang.org/x/crypto/poly1305                                 from github.com/tailscale/wireguard-go/device+
+        golang.org/x/crypto/salsa20/salsa                            from golang.org/x/crypto/nacl/box+
+        golang.org/x/exp/constraints                                 from github.com/dblohm7/wingoes/pe+
+        golang.org/x/exp/maps                                        from sigs.k8s.io/controller-runtime/pkg/cache+
+        golang.org/x/exp/slices                                      from tailscale.com/cmd/k8s-operator+
+        golang.org/x/net/bpf                                         from github.com/mdlayher/genetlink+
+        golang.org/x/net/dns/dnsmessage                              from net+
+        golang.org/x/net/http/httpguts                               from golang.org/x/net/http2+
+        golang.org/x/net/http/httpproxy                              from net/http+
+        golang.org/x/net/http2                                       from golang.org/x/net/http2/h2c+
+        golang.org/x/net/http2/h2c                                   from tailscale.com/ipn/ipnlocal
+        golang.org/x/net/http2/hpack                                 from golang.org/x/net/http2+
+        golang.org/x/net/icmp                                        from github.com/prometheus-community/pro-bing+
+        golang.org/x/net/idna                                        from golang.org/x/net/http/httpguts+
+        golang.org/x/net/ipv4                                        from github.com/miekg/dns+
+        golang.org/x/net/ipv6                                        from github.com/miekg/dns+
+        golang.org/x/net/proxy                                       from tailscale.com/net/netns
+   D    golang.org/x/net/route                                       from net+
+        golang.org/x/oauth2                                          from golang.org/x/oauth2/clientcredentials+
+        golang.org/x/oauth2/clientcredentials                        from tailscale.com/cmd/k8s-operator
+        golang.org/x/oauth2/internal                                 from golang.org/x/oauth2+
+        golang.org/x/sync/errgroup                                   from github.com/mdlayher/socket+
+        golang.org/x/sys/cpu                                         from github.com/josharian/native+
+  LD    golang.org/x/sys/unix                                        from github.com/fsnotify/fsnotify+
+   W    golang.org/x/sys/windows                                     from github.com/dblohm7/wingoes+
+   W    golang.org/x/sys/windows/registry                            from github.com/dblohm7/wingoes+
+   W    golang.org/x/sys/windows/svc                                 from golang.org/x/sys/windows/svc/mgr+
+   W    golang.org/x/sys/windows/svc/mgr                             from tailscale.com/util/winutil
+        golang.org/x/term                                            from k8s.io/client-go/plugin/pkg/client/auth/exec+
+        golang.org/x/text/secure/bidirule                            from golang.org/x/net/idna
+        golang.org/x/text/transform                                  from golang.org/x/text/secure/bidirule+
+        golang.org/x/text/unicode/bidi                               from golang.org/x/net/idna+
+        golang.org/x/text/unicode/norm                               from golang.org/x/net/idna
+        golang.org/x/time/rate                                       from gvisor.dev/gvisor/pkg/log+
+        archive/tar                                                  from tailscale.com/clientupdate
+        bufio                                                        from compress/flate+
+        bytes                                                        from archive/tar+
+        cmp                                                          from github.com/gaissmai/bart+
+        compress/flate                                               from compress/gzip+
+        compress/gzip                                                from github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding+
+        compress/zlib                                                from debug/pe+
+        container/heap                                               from gvisor.dev/gvisor/pkg/tcpip/transport/tcp+
+        container/list                                               from crypto/tls+
+        context                                                      from crypto/tls+
+        crypto                                                       from crypto/ecdh+
+        crypto/aes                                                   from crypto/ecdsa+
+        crypto/cipher                                                from crypto/aes+
+        crypto/des                                                   from crypto/tls+
+        crypto/dsa                                                   from crypto/x509+
+        crypto/ecdh                                                  from crypto/ecdsa+
+        crypto/ecdsa                                                 from crypto/tls+
+        crypto/ed25519                                               from crypto/tls+
+        crypto/elliptic                                              from crypto/ecdsa+
+        crypto/hmac                                                  from crypto/tls+
+        crypto/md5                                                   from crypto/tls+
+        crypto/rand                                                  from crypto/ed25519+
+        crypto/rc4                                                   from crypto/tls+
+        crypto/rsa                                                   from crypto/tls+
+        crypto/sha1                                                  from crypto/tls+
+        crypto/sha256                                                from crypto/tls+
+        crypto/sha512                                                from crypto/ecdsa+
+        crypto/subtle                                                from crypto/aes+
+        crypto/tls                                                   from github.com/aws/aws-sdk-go-v2/aws/transport/http+
+        crypto/x509                                                  from crypto/tls+
+        crypto/x509/pkix                                             from crypto/x509+
+        database/sql                                                 from github.com/prometheus/client_golang/prometheus/collectors
+        database/sql/driver                                          from database/sql+
+   W    debug/dwarf                                                  from debug/pe
+   W    debug/pe                                                     from github.com/dblohm7/wingoes/pe
+        embed                                                        from crypto/internal/nistec+
+        encoding                                                     from encoding/gob+
+        encoding/asn1                                                from crypto/x509+
+        encoding/base32                                              from github.com/fxamacker/cbor/v2+
+        encoding/base64                                              from encoding/json+
+        encoding/binary                                              from compress/gzip+
+        encoding/csv                                                 from github.com/spf13/pflag
+        encoding/gob                                                 from github.com/gorilla/securecookie
+        encoding/hex                                                 from crypto/x509+
+        encoding/json                                                from expvar+
+        encoding/pem                                                 from crypto/tls+
+        encoding/xml                                                 from github.com/aws/aws-sdk-go-v2/aws/protocol/xml+
+        errors                                                       from archive/tar+
+        expvar                                                       from github.com/prometheus/client_golang/prometheus+
+        flag                                                         from github.com/spf13/pflag+
+        fmt                                                          from archive/tar+
+        go/ast                                                       from go/doc+
+        go/build/constraint                                          from go/parser
+        go/doc                                                       from k8s.io/apimachinery/pkg/runtime
+        go/doc/comment                                               from go/doc
+        go/parser                                                    from k8s.io/apimachinery/pkg/runtime
+        go/scanner                                                   from go/ast+
+        go/token                                                     from go/ast+
+        hash                                                         from compress/zlib+
+        hash/adler32                                                 from compress/zlib+
+        hash/crc32                                                   from compress/gzip+
+        hash/fnv                                                     from google.golang.org/protobuf/internal/detrand
+        hash/maphash                                                 from go4.org/mem
+        html                                                         from html/template+
+        html/template                                                from github.com/gorilla/csrf
+        io                                                           from archive/tar+
+        io/fs                                                        from archive/tar+
+        io/ioutil                                                    from github.com/aws/aws-sdk-go-v2/aws/protocol/query+
+        log                                                          from expvar+
+        log/internal                                                 from log+
+        log/slog                                                     from github.com/go-logr/logr+
+        log/slog/internal                                            from log/slog
+        maps                                                         from sigs.k8s.io/controller-runtime/pkg/predicate+
+        math                                                         from archive/tar+
+        math/big                                                     from crypto/dsa+
+        math/bits                                                    from compress/flate+
+        math/rand                                                    from github.com/google/go-cmp/cmp+
+        math/rand/v2                                                 from tailscale.com/derp+
+        mime                                                         from github.com/prometheus/common/expfmt+
+        mime/multipart                                               from github.com/go-openapi/swag+
+        mime/quotedprintable                                         from mime/multipart
+        net                                                          from crypto/tls+
+        net/http                                                     from expvar+
+        net/http/httptest                                            from tailscale.com/control/controlclient
+        net/http/httptrace                                           from github.com/prometheus-community/pro-bing+
+        net/http/httputil                                            from github.com/aws/smithy-go/transport/http+
+        net/http/internal                                            from net/http+
+        net/http/pprof                                               from sigs.k8s.io/controller-runtime/pkg/manager+
+        net/netip                                                    from github.com/gaissmai/bart+
+        net/textproto                                                from github.com/aws/aws-sdk-go-v2/aws/signer/v4+
+        net/url                                                      from crypto/x509+
+        os                                                           from crypto/rand+
+        os/exec                                                      from github.com/aws/aws-sdk-go-v2/credentials/processcreds+
+        os/signal                                                    from sigs.k8s.io/controller-runtime/pkg/manager/signals
+        os/user                                                      from archive/tar+
+        path                                                         from archive/tar+
+        path/filepath                                                from archive/tar+
+        reflect                                                      from archive/tar+
+        regexp                                                       from github.com/aws/aws-sdk-go-v2/internal/endpoints+
+        regexp/syntax                                                from regexp
+        runtime/debug                                                from github.com/aws/aws-sdk-go-v2/internal/sync/singleflight+
+        runtime/metrics                                              from github.com/prometheus/client_golang/prometheus+
+        runtime/pprof                                                from net/http/pprof+
+        runtime/trace                                                from net/http/pprof
+        slices                                                       from encoding/base32+
+        sort                                                         from archive/tar+
+        strconv                                                      from archive/tar+
+        strings                                                      from archive/tar+
+        sync                                                         from archive/tar+
+        sync/atomic                                                  from context+
+        syscall                                                      from archive/tar+
+        text/tabwriter                                               from k8s.io/apimachinery/pkg/util/diff+
+        text/template                                                from html/template
+        text/template/parse                                          from html/template+
+        time                                                         from archive/tar+
+        unicode                                                      from bytes+
+        unicode/utf16                                                from crypto/x509+
+        unicode/utf8                                                 from bufio+

cmd/k8s-operator/deploy/chart/templates/deployment.yaml

@@ -77,6 +77,9 @@ spec:
               value: "{{ .Values.apiServerProxyConfig.mode }}"
             - name: PROXY_FIREWALL_MODE
               value: {{ .Values.proxyConfig.firewallMode }}
+            {{- with .Values.operatorConfig.extraEnv }}
+            {{- toYaml . | nindent 12 }}
+            {{- end }}
           volumeMounts:
           - name: oauth
             mountPath: /oauth

cmd/k8s-operator/deploy/chart/values.yaml

@@ -48,6 +48,13 @@ operatorConfig:
 
   securityContext: {}
 
+  extraEnv: []
+  # - name: EXTRA_VAR1
+  #   value: "value1"
+  # - name: EXTRA_VAR2
+  #   value: "value2"
+
+
 # proxyConfig contains configuraton that will be applied to any ingress/egress
 # proxies created by the operator.
 # https://tailscale.com/kb/1236/kubernetes-operator/#cluster-ingress

cmd/k8s-operator/dnsrecords.go

@@ -1,11 +1,8 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
-// tailscale-operator provides a way to expose services running in a Kubernetes
-// cluster to your Tailnet and to make Tailscale nodes available to cluster
-// workloads
 package main
 
 import (

cmd/k8s-operator/dnsrecords_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/generate/main.go

@@ -1,8 +1,9 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
+// The generate command creates tailscale.com CRDs.
 package main
 
 import (

cmd/k8s-operator/generate/main_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9 && !windows
 
 package main
 

cmd/k8s-operator/ingress.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/ingress_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/nameserver.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/nameserver_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 // tailscale-operator provides a way to expose services running in a Kubernetes
 // cluster to your Tailnet and to make Tailscale nodes available to cluster

cmd/k8s-operator/operator.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 // tailscale-operator provides a way to expose services running in a Kubernetes
 // cluster to your Tailnet.
@@ -51,8 +51,8 @@ import (
 // Generate static manifests for deploying Tailscale operator on Kubernetes from the operator's Helm chart.
 //go:generate go run tailscale.com/cmd/k8s-operator/generate staticmanifests
 
-// Generate CRD docs from the yamls
-//go:generate go run fybrik.io/crdoc --resources=./deploy/crds --output=../../k8s-operator/api.md
+// Generate CRD API docs.
+//go:generate go run github.com/elastic/crd-ref-docs --renderer=markdown --source-path=../../k8s-operator/apis/ --config=../../k8s-operator/api-docs-config.yaml --output-path=../../k8s-operator/api.md
 
 func main() {
 	// Required to use our client API. We're fine with the instability since the

cmd/k8s-operator/operator_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/proxy.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 
@@ -11,16 +11,20 @@ import (
 	"log"
 	"net/http"
 	"net/http/httputil"
+	"net/netip"
 	"net/url"
 	"os"
 	"strings"
 
+	"github.com/pkg/errors"
 	"go.uber.org/zap"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/transport"
 	"tailscale.com/client/tailscale"
 	"tailscale.com/client/tailscale/apitype"
+	kubesessionrecording "tailscale.com/k8s-operator/sessionrecording"
 	tskube "tailscale.com/kube"
+	"tailscale.com/sessionrecording"
 	"tailscale.com/tailcfg"
 	"tailscale.com/tsnet"
 	"tailscale.com/util/clientmetric"
@@ -30,10 +34,26 @@ import (
 
 var whoIsKey = ctxkey.New("", (*apitype.WhoIsResponse)(nil))
 
-var counterNumRequestsProxied = clientmetric.NewCounter("k8s_auth_proxy_requests_proxied")
+var (
+	// counterNumRequestsproxies counts the number of API server requests proxied via this proxy.
+	counterNumRequestsProxied = clientmetric.NewCounter("k8s_auth_proxy_requests_proxied")
+)
 
 type apiServerProxyMode int
 
+func (a apiServerProxyMode) String() string {
+	switch a {
+	case apiserverProxyModeDisabled:
+		return "disabled"
+	case apiserverProxyModeEnabled:
+		return "auth"
+	case apiserverProxyModeNoAuth:
+		return "noauth"
+	default:
+		return "unknown"
+	}
+}
+
 const (
 	apiserverProxyModeDisabled apiServerProxyMode = iota
 	apiserverProxyModeEnabled
@@ -97,26 +117,7 @@ func maybeLaunchAPIServerProxy(zlog *zap.SugaredLogger, restConfig *rest.Config,
 	if err != nil {
 		startlog.Fatalf("could not get rest.TransportConfig(): %v", err)
 	}
-	go runAPIServerProxy(s, rt, zlog.Named("apiserver-proxy"), mode)
-}
-
-// apiserverProxy is an http.Handler that authenticates requests using the Tailscale
-// LocalAPI and then proxies them to the Kubernetes API.
-type apiserverProxy struct {
-	log *zap.SugaredLogger
-	lc  *tailscale.LocalClient
-	rp  *httputil.ReverseProxy
-}
-
-func (h *apiserverProxy) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	who, err := h.lc.WhoIs(r.Context(), r.RemoteAddr)
-	if err != nil {
-		h.log.Errorf("failed to authenticate caller: %v", err)
-		http.Error(w, "failed to authenticate caller", http.StatusInternalServerError)
-		return
-	}
-	counterNumRequestsProxied.Add(1)
-	h.rp.ServeHTTP(w, r.WithContext(whoIsKey.WithValue(r.Context(), who)))
+	go runAPIServerProxy(s, rt, zlog.Named("apiserver-proxy"), mode, restConfig.Host)
 }
 
 // runAPIServerProxy runs an HTTP server that authenticates requests using the
@@ -133,64 +134,42 @@ func (h *apiserverProxy) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 //     are passed through to the Kubernetes API.
 //
 // It never returns.
-func runAPIServerProxy(s *tsnet.Server, rt http.RoundTripper, log *zap.SugaredLogger, mode apiServerProxyMode) {
+func runAPIServerProxy(ts *tsnet.Server, rt http.RoundTripper, log *zap.SugaredLogger, mode apiServerProxyMode, host string) {
 	if mode == apiserverProxyModeDisabled {
 		return
 	}
-	ln, err := s.Listen("tcp", ":443")
+	ln, err := ts.Listen("tcp", ":443")
 	if err != nil {
 		log.Fatalf("could not listen on :443: %v", err)
 	}
-	u, err := url.Parse(fmt.Sprintf("https://%s:%s", os.Getenv("KUBERNETES_SERVICE_HOST"), os.Getenv("KUBERNETES_SERVICE_PORT_HTTPS")))
+	u, err := url.Parse(host)
 	if err != nil {
 		log.Fatalf("runAPIServerProxy: failed to parse URL %v", err)
 	}
 
-	lc, err := s.LocalClient()
+	lc, err := ts.LocalClient()
 	if err != nil {
 		log.Fatalf("could not get local client: %v", err)
 	}
+
 	ap := &apiserverProxy{
-		log: log,
-		lc:  lc,
-		rp: &httputil.ReverseProxy{
-			Rewrite: func(r *httputil.ProxyRequest) {
-				// Replace the URL with the Kubernetes APIServer.
-
-				r.Out.URL.Scheme = u.Scheme
-				r.Out.URL.Host = u.Host
-				if mode == apiserverProxyModeNoAuth {
-					// If we are not providing authentication, then we are just
-					// proxying to the Kubernetes API, so we don't need to do
-					// anything else.
-					return
-				}
-
-				// We want to proxy to the Kubernetes API, but we want to use
-				// the caller's identity to do so. We do this by impersonating
-				// the caller using the Kubernetes User Impersonation feature:
-				// https://kubernetes.io/docs/reference/access-authn-authz/authentication/#user-impersonation
-
-				// Out of paranoia, remove all authentication headers that might
-				// have been set by the client.
-				r.Out.Header.Del("Authorization")
-				r.Out.Header.Del("Impersonate-Group")
-				r.Out.Header.Del("Impersonate-User")
-				r.Out.Header.Del("Impersonate-Uid")
-				for k := range r.Out.Header {
-					if strings.HasPrefix(k, "Impersonate-Extra-") {
-						r.Out.Header.Del(k)
-					}
-				}
-
-				// Now add the impersonation headers that we want.
-				if err := addImpersonationHeaders(r.Out, log); err != nil {
-					panic("failed to add impersonation headers: " + err.Error())
-				}
-			},
-			Transport: rt,
-		},
+		log:         log,
+		lc:          lc,
+		mode:        mode,
+		upstreamURL: u,
+		ts:          ts,
 	}
+	ap.rp = &httputil.ReverseProxy{
+		Rewrite: func(pr *httputil.ProxyRequest) {
+			ap.addImpersonationHeadersAsRequired(pr.Out)
+		},
+		Transport: rt,
+	}
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", ap.serveDefault)
+	mux.HandleFunc("/api/v1/namespaces/{namespace}/pods/{pod}/exec", ap.serveExec)
+
 	hs := &http.Server{
 		// Kubernetes uses SPDY for exec and port-forward, however SPDY is
 		// incompatible with HTTP/2; so disable HTTP/2 in the proxy.
@@ -199,14 +178,120 @@ func runAPIServerProxy(s *tsnet.Server, rt http.RoundTripper, log *zap.SugaredLo
 			NextProtos:     []string{"http/1.1"},
 		},
 		TLSNextProto: make(map[string]func(*http.Server, *tls.Conn, http.Handler)),
-		Handler:      ap,
+		Handler:      mux,
 	}
-	log.Infof("listening on %s", ln.Addr())
+	log.Infof("API server proxy in %q mode is listening on %s", mode, ln.Addr())
 	if err := hs.ServeTLS(ln, "", ""); err != nil {
 		log.Fatalf("runAPIServerProxy: failed to serve %v", err)
 	}
 }
 
+// apiserverProxy is an [net/http.Handler] that authenticates requests using the Tailscale
+// LocalAPI and then proxies them to the Kubernetes API.
+type apiserverProxy struct {
+	log *zap.SugaredLogger
+	lc  *tailscale.LocalClient
+	rp  *httputil.ReverseProxy
+
+	mode        apiServerProxyMode
+	ts          *tsnet.Server
+	upstreamURL *url.URL
+}
+
+// serveDefault is the default handler for Kubernetes API server requests.
+func (ap *apiserverProxy) serveDefault(w http.ResponseWriter, r *http.Request) {
+	who, err := ap.whoIs(r)
+	if err != nil {
+		ap.authError(w, err)
+		return
+	}
+	counterNumRequestsProxied.Add(1)
+	ap.rp.ServeHTTP(w, r.WithContext(whoIsKey.WithValue(r.Context(), who)))
+}
+
+// serveExec serves 'kubectl exec' requests, optionally configuring the kubectl
+// exec sessions to be recorded.
+func (ap *apiserverProxy) serveExec(w http.ResponseWriter, r *http.Request) {
+	who, err := ap.whoIs(r)
+	if err != nil {
+		ap.authError(w, err)
+		return
+	}
+	counterNumRequestsProxied.Add(1)
+	failOpen, addrs, err := determineRecorderConfig(who)
+	if err != nil {
+		ap.log.Errorf("error trying to determine whether the 'kubectl exec' session needs to be recorded: %v", err)
+		return
+	}
+	if failOpen && len(addrs) == 0 { // will not record
+		ap.rp.ServeHTTP(w, r.WithContext(whoIsKey.WithValue(r.Context(), who)))
+		return
+	}
+	kubesessionrecording.CounterSessionRecordingsAttempted.Add(1) // at this point we know that users intended for this session to be recorded
+	if !failOpen && len(addrs) == 0 {
+		msg := "forbidden: 'kubectl exec' session must be recorded, but no recorders are available."
+		ap.log.Error(msg)
+		http.Error(w, msg, http.StatusForbidden)
+		return
+	}
+	if r.Method != "POST" || r.Header.Get("Upgrade") != "SPDY/3.1" {
+		msg := "'kubectl exec' session recording is configured, but the request is not over SPDY. Session recording is currently only supported for SPDY based clients"
+		if failOpen {
+			msg = msg + "; failure mode is 'fail open'; continuing session without recording."
+			ap.log.Warn(msg)
+			ap.rp.ServeHTTP(w, r.WithContext(whoIsKey.WithValue(r.Context(), who)))
+			return
+		}
+		ap.log.Error(msg)
+		msg += "; failure mode is 'fail closed'; closing connection."
+		http.Error(w, msg, http.StatusForbidden)
+		return
+	}
+	spdyH := kubesessionrecording.New(ap.ts, r, who, w, r.PathValue("pod"), r.PathValue("namespace"), kubesessionrecording.SPDYProtocol, addrs, failOpen, sessionrecording.ConnectToRecorder, ap.log)
+
+	ap.rp.ServeHTTP(spdyH, r.WithContext(whoIsKey.WithValue(r.Context(), who)))
+}
+
+func (h *apiserverProxy) addImpersonationHeadersAsRequired(r *http.Request) {
+	r.URL.Scheme = h.upstreamURL.Scheme
+	r.URL.Host = h.upstreamURL.Host
+	if h.mode == apiserverProxyModeNoAuth {
+		// If we are not providing authentication, then we are just
+		// proxying to the Kubernetes API, so we don't need to do
+		// anything else.
+		return
+	}
+
+	// We want to proxy to the Kubernetes API, but we want to use
+	// the caller's identity to do so. We do this by impersonating
+	// the caller using the Kubernetes User Impersonation feature:
+	// https://kubernetes.io/docs/reference/access-authn-authz/authentication/#user-impersonation
+
+	// Out of paranoia, remove all authentication headers that might
+	// have been set by the client.
+	r.Header.Del("Authorization")
+	r.Header.Del("Impersonate-Group")
+	r.Header.Del("Impersonate-User")
+	r.Header.Del("Impersonate-Uid")
+	for k := range r.Header {
+		if strings.HasPrefix(k, "Impersonate-Extra-") {
+			r.Header.Del(k)
+		}
+	}
+
+	// Now add the impersonation headers that we want.
+	if err := addImpersonationHeaders(r, h.log); err != nil {
+		log.Printf("failed to add impersonation headers: " + err.Error())
+	}
+}
+func (ap *apiserverProxy) whoIs(r *http.Request) (*apitype.WhoIsResponse, error) {
+	return ap.lc.WhoIs(r.Context(), r.RemoteAddr)
+}
+func (ap *apiserverProxy) authError(w http.ResponseWriter, err error) {
+	ap.log.Errorf("failed to authenticate caller: %v", err)
+	http.Error(w, "failed to authenticate caller", http.StatusInternalServerError)
+}
+
 const (
 	// oldCapabilityName is a legacy form of
 	// tailfcg.PeerCapabilityKubernetes capability. The only capability rule
@@ -266,3 +351,34 @@ func addImpersonationHeaders(r *http.Request, log *zap.SugaredLogger) error {
 	}
 	return nil
 }
+
+// determineRecorderConfig determines recorder config from requester's peer
+// capabilities. Determines whether a 'kubectl exec' session from this requester
+// needs to be recorded and what recorders the recording should be sent to.
+func determineRecorderConfig(who *apitype.WhoIsResponse) (failOpen bool, recorderAddresses []netip.AddrPort, _ error) {
+	if who == nil {
+		return false, nil, errors.New("[unexpected] cannot determine caller")
+	}
+	failOpen = true
+	rules, err := tailcfg.UnmarshalCapJSON[tskube.KubernetesCapRule](who.CapMap, tailcfg.PeerCapabilityKubernetes)
+	if err != nil {
+		return failOpen, nil, fmt.Errorf("failed to unmarshal Kubernetes capability: %w", err)
+	}
+	if len(rules) == 0 {
+		return failOpen, nil, nil
+	}
+
+	for _, rule := range rules {
+		if len(rule.RecorderAddrs) != 0 {
+			// TODO (irbekrm): here or later determine if the
+			// recorders behind those addrs are online - else we
+			// spend 30s trying to reach a recorder whose tailscale
+			// status is offline.
+			recorderAddresses = append(recorderAddresses, rule.RecorderAddrs...)
+		}
+		if rule.EnforceRecorder {
+			failOpen = false
+		}
+	}
+	return failOpen, recorderAddresses, nil
+}

cmd/k8s-operator/proxy_test.go

@@ -1,12 +1,14 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 
 import (
 	"net/http"
+	"net/netip"
+	"reflect"
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
@@ -126,3 +128,72 @@ func TestImpersonationHeaders(t *testing.T) {
 		}
 	}
 }
+
+func Test_determineRecorderConfig(t *testing.T) {
+	addr1, addr2 := netip.MustParseAddrPort("[fd7a:115c:a1e0:ab12:4843:cd96:626b:628b]:80"), netip.MustParseAddrPort("100.99.99.99:80")
+	tests := []struct {
+		name                  string
+		wantFailOpen          bool
+		wantRecorderAddresses []netip.AddrPort
+		who                   *apitype.WhoIsResponse
+	}{
+		{
+			name:                  "two_ips_fail_closed",
+			who:                   whoResp(map[string][]string{string(tailcfg.PeerCapabilityKubernetes): {`{"recorderAddrs":["[fd7a:115c:a1e0:ab12:4843:cd96:626b:628b]:80","100.99.99.99:80"],"enforceRecorder":true}`}}),
+			wantRecorderAddresses: []netip.AddrPort{addr1, addr2},
+		},
+		{
+			name:                  "two_ips_fail_open",
+			who:                   whoResp(map[string][]string{string(tailcfg.PeerCapabilityKubernetes): {`{"recorderAddrs":["[fd7a:115c:a1e0:ab12:4843:cd96:626b:628b]:80","100.99.99.99:80"]}`}}),
+			wantRecorderAddresses: []netip.AddrPort{addr1, addr2},
+			wantFailOpen:          true,
+		},
+		{
+			name:                  "odd_rule_combination_fail_closed",
+			who:                   whoResp(map[string][]string{string(tailcfg.PeerCapabilityKubernetes): {`{"recorderAddrs":["100.99.99.99:80"],"enforceRecorder":false}`, `{"recorderAddrs":["[fd7a:115c:a1e0:ab12:4843:cd96:626b:628b]:80"]}`, `{"enforceRecorder":true,"impersonate":{"groups":["system:masters"]}}`}}),
+			wantRecorderAddresses: []netip.AddrPort{addr2, addr1},
+		},
+		{
+			name:         "no_caps",
+			who:          whoResp(map[string][]string{}),
+			wantFailOpen: true,
+		},
+		{
+			name:         "no_recorder_caps",
+			who:          whoResp(map[string][]string{"foo": {`{"x":"y"}`}, string(tailcfg.PeerCapabilityKubernetes): {`{"impersonate":{"groups":["system:masters"]}}`}}),
+			wantFailOpen: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotFailOpen, gotRecorderAddresses, err := determineRecorderConfig(tt.who)
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if gotFailOpen != tt.wantFailOpen {
+				t.Errorf("determineRecorderConfig() gotFailOpen = %v, want %v", gotFailOpen, tt.wantFailOpen)
+			}
+			if !reflect.DeepEqual(gotRecorderAddresses, tt.wantRecorderAddresses) {
+				t.Errorf("determineRecorderConfig() gotRecorderAddresses = %v, want %v", gotRecorderAddresses, tt.wantRecorderAddresses)
+			}
+		})
+	}
+}
+
+func whoResp(capMap map[string][]string) *apitype.WhoIsResponse {
+	resp := &apitype.WhoIsResponse{
+		CapMap: tailcfg.PeerCapMap{},
+	}
+	for cap, rules := range capMap {
+		resp.CapMap[tailcfg.PeerCapability(cap)] = raw(rules...)
+	}
+	return resp
+}
+
+func raw(in ...string) []tailcfg.RawMessage {
+	var out []tailcfg.RawMessage
+	for _, i := range in {
+		out = append(out, tailcfg.RawMessage(i))
+	}
+	return out
+}

cmd/k8s-operator/proxyclass.go

@@ -1,14 +1,16 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 
 import (
 	"context"
 	"fmt"
+	"slices"
 	"strings"
+	"sync"
 
 	dockerref "github.com/distribution/reference"
 	"go.uber.org/zap"
@@ -18,6 +20,7 @@ import (
 	apivalidation "k8s.io/apimachinery/pkg/api/validation"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	metavalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
+	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/apimachinery/pkg/util/validation/field"
 	"k8s.io/client-go/tools/record"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -25,6 +28,8 @@ import (
 	tsoperator "tailscale.com/k8s-operator"
 	tsapi "tailscale.com/k8s-operator/apis/v1alpha1"
 	"tailscale.com/tstime"
+	"tailscale.com/util/clientmetric"
+	"tailscale.com/util/set"
 )
 
 const (
@@ -41,8 +46,20 @@ type ProxyClassReconciler struct {
 	recorder record.EventRecorder
 	logger   *zap.SugaredLogger
 	clock    tstime.Clock
+
+	mu sync.Mutex // protects following
+
+	// managedProxyClasses is a set of all ProxyClass resources that we're currently
+	// managing. This is only used for metrics.
+	managedProxyClasses set.Slice[types.UID]
 }
 
+var (
+	// gaugeProxyClassResources tracks the number of ProxyClass resources
+	// that we're currently managing.
+	gaugeProxyClassResources = clientmetric.NewGauge("k8s_proxyclass_resources")
+)
+
 func (pcr *ProxyClassReconciler) Reconcile(ctx context.Context, req reconcile.Request) (res reconcile.Result, err error) {
 	logger := pcr.logger.With("ProxyClass", req.Name)
 	logger.Debugf("starting reconcile")
@@ -57,9 +74,26 @@ func (pcr *ProxyClassReconciler) Reconcile(ctx context.Context, req reconcile.Re
 		return reconcile.Result{}, fmt.Errorf("failed to get tailscale.com ProxyClass: %w", err)
 	}
 	if !pc.DeletionTimestamp.IsZero() {
-		logger.Debugf("ProxyClass is being deleted, do nothing")
-		return reconcile.Result{}, nil
+		logger.Debugf("ProxyClass is being deleted")
+		return reconcile.Result{}, pcr.maybeCleanup(ctx, logger, pc)
 	}
+
+	// Add a finalizer so that we can ensure that metrics get updated when
+	// this ProxyClass is deleted.
+	if !slices.Contains(pc.Finalizers, FinalizerName) {
+		logger.Debugf("updating ProxyClass finalizers")
+		pc.Finalizers = append(pc.Finalizers, FinalizerName)
+		if err := pcr.Update(ctx, pc); err != nil {
+			return res, fmt.Errorf("failed to add finalizer: %w", err)
+		}
+	}
+
+	// Ensure this ProxyClass is tracked in metrics.
+	pcr.mu.Lock()
+	pcr.managedProxyClasses.Add(pc.UID)
+	gaugeProxyClassResources.Set(int64(pcr.managedProxyClasses.Len()))
+	pcr.mu.Unlock()
+
 	oldPCStatus := pc.Status.DeepCopy()
 	if errs := pcr.validate(pc); errs != nil {
 		msg := fmt.Sprintf(messageProxyClassInvalid, errs.ToAggregate().Error())
@@ -77,7 +111,7 @@ func (pcr *ProxyClassReconciler) Reconcile(ctx context.Context, req reconcile.Re
 	return reconcile.Result{}, nil
 }
 
-func (a *ProxyClassReconciler) validate(pc *tsapi.ProxyClass) (violations field.ErrorList) {
+func (pcr *ProxyClassReconciler) validate(pc *tsapi.ProxyClass) (violations field.ErrorList) {
 	if sts := pc.Spec.StatefulSet; sts != nil {
 		if len(sts.Labels) > 0 {
 			if errs := metavalidation.ValidateLabels(sts.Labels, field.NewPath(".spec.statefulSet.labels")); errs != nil {
@@ -103,13 +137,13 @@ func (a *ProxyClassReconciler) validate(pc *tsapi.ProxyClass) (violations field.
 			if tc := pod.TailscaleContainer; tc != nil {
 				for _, e := range tc.Env {
 					if strings.HasPrefix(string(e.Name), "TS_") {
-						a.recorder.Event(pc, corev1.EventTypeWarning, reasonCustomTSEnvVar, fmt.Sprintf(messageCustomTSEnvVar, string(e.Name), "tailscale"))
+						pcr.recorder.Event(pc, corev1.EventTypeWarning, reasonCustomTSEnvVar, fmt.Sprintf(messageCustomTSEnvVar, string(e.Name), "tailscale"))
 					}
 					if strings.EqualFold(string(e.Name), "EXPERIMENTAL_TS_CONFIGFILE_PATH") {
-						a.recorder.Event(pc, corev1.EventTypeWarning, reasonCustomTSEnvVar, fmt.Sprintf(messageCustomTSEnvVar, string(e.Name), "tailscale"))
+						pcr.recorder.Event(pc, corev1.EventTypeWarning, reasonCustomTSEnvVar, fmt.Sprintf(messageCustomTSEnvVar, string(e.Name), "tailscale"))
 					}
 					if strings.EqualFold(string(e.Name), "EXPERIMENTAL_ALLOW_PROXYING_CLUSTER_TRAFFIC_VIA_INGRESS") {
-						a.recorder.Event(pc, corev1.EventTypeWarning, reasonCustomTSEnvVar, fmt.Sprintf(messageCustomTSEnvVar, string(e.Name), "tailscale"))
+						pcr.recorder.Event(pc, corev1.EventTypeWarning, reasonCustomTSEnvVar, fmt.Sprintf(messageCustomTSEnvVar, string(e.Name), "tailscale"))
 					}
 				}
 				if tc.Image != "" {
@@ -135,3 +169,27 @@ func (a *ProxyClassReconciler) validate(pc *tsapi.ProxyClass) (violations field.
 	// time.
 	return violations
 }
+
+// maybeCleanup removes tailscale.com finalizer and ensures that the ProxyClass
+// is no longer counted towards k8s_proxyclass_resources.
+func (pcr *ProxyClassReconciler) maybeCleanup(ctx context.Context, logger *zap.SugaredLogger, pc *tsapi.ProxyClass) error {
+	ix := slices.Index(pc.Finalizers, FinalizerName)
+	if ix < 0 {
+		logger.Debugf("no finalizer, nothing to do")
+		pcr.mu.Lock()
+		defer pcr.mu.Unlock()
+		pcr.managedProxyClasses.Remove(pc.UID)
+		gaugeProxyClassResources.Set(int64(pcr.managedProxyClasses.Len()))
+		return nil
+	}
+	pc.Finalizers = append(pc.Finalizers[:ix], pc.Finalizers[ix+1:]...)
+	if err := pcr.Update(ctx, pc); err != nil {
+		return fmt.Errorf("failed to remove finalizer: %w", err)
+	}
+	pcr.mu.Lock()
+	defer pcr.mu.Unlock()
+	pcr.managedProxyClasses.Remove(pc.UID)
+	gaugeProxyClassResources.Set(int64(pcr.managedProxyClasses.Len()))
+	logger.Infof("ProxyClass resources have been cleaned up")
+	return nil
+}

cmd/k8s-operator/proxyclass_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 // tailscale-operator provides a way to expose services running in a Kubernetes
 // cluster to your Tailnet.
@@ -29,7 +29,8 @@ func TestProxyClass(t *testing.T) {
 			// The apiserver is supposed to set the UID, but the fake client
 			// doesn't. So, set it explicitly because other code later depends
 			// on it being set.
-			UID: types.UID("1234-UID"),
+			UID:        types.UID("1234-UID"),
+			Finalizers: []string{"tailscale.com/finalizer"},
 		},
 		Spec: tsapi.ProxyClassSpec{
 			StatefulSet: &tsapi.StatefulSet{

cmd/k8s-operator/sts.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 
@@ -294,6 +294,7 @@ func (a *tailscaleSTSReconciler) reconcileHeadlessService(ctx context.Context, l
 			Selector: map[string]string{
 				"app": sts.ParentResourceUID,
 			},
+			IPFamilyPolicy: ptr.To(corev1.IPFamilyPolicyPreferDualStack),
 		},
 	}
 	logger.Debugf("reconciling headless service for StatefulSet")

cmd/k8s-operator/sts_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/svc.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 

cmd/k8s-operator/testutils_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build linux
+//go:build !plan9
 
 package main
 
@@ -319,7 +319,8 @@ func expectedHeadlessService(name string, parentType string) *corev1.Service {
 			Selector: map[string]string{
 				"app": "1234-UID",
 			},
-			ClusterIP: "None",
+			ClusterIP:      "None",
+			IPFamilyPolicy: ptr.To(corev1.IPFamilyPolicyPreferDualStack),
 		},
 	}
 }

cmd/natc/natc.go

@@ -448,7 +448,7 @@ func (c *connector) handleTCPFlow(src, dst netip.AddrPort) (handler func(net.Con
 // in --ignore-destinations
 func (c *connector) ignoreDestination(dstAddrs []netip.Addr) bool {
 	for _, a := range dstAddrs {
-		if _, ok := c.ignoreDsts.Get(a); ok {
+		if _, ok := c.ignoreDsts.Lookup(a); ok {
 			return true
 		}
 	}
@@ -489,7 +489,7 @@ type perPeerState struct {
 func (ps *perPeerState) domainForIP(ip netip.Addr) (_ string, ok bool) {
 	ps.mu.Lock()
 	defer ps.mu.Unlock()
-	return ps.addrToDomain.Get(ip)
+	return ps.addrToDomain.Lookup(ip)
 }
 
 // ipForDomain assigns a pair of unique IP addresses for the given domain and
@@ -515,7 +515,7 @@ func (ps *perPeerState) ipForDomain(domain string) ([]netip.Addr, error) {
 // domain.
 // ps.mu must be held.
 func (ps *perPeerState) isIPUsedLocked(ip netip.Addr) bool {
-	_, ok := ps.addrToDomain.Get(ip)
+	_, ok := ps.addrToDomain.Lookup(ip)
 	return ok
 }
 

cmd/proxy-to-grafana/proxy-to-grafana.go

@@ -46,6 +46,7 @@ var (
 	backendAddr  = flag.String("backend-addr", "", "Address of the Grafana server served over HTTP, in host:port format. Typically localhost:nnnn.")
 	tailscaleDir = flag.String("state-dir", "./", "Alternate directory to use for Tailscale state storage. If empty, a default is used.")
 	useHTTPS     = flag.Bool("use-https", false, "Serve over HTTPS via your *.ts.net subdomain if enabled in Tailscale admin.")
+	loginServer  = flag.String("login-server", "", "URL to alternative control server. If empty, the default Tailscale control is used.")
 )
 
 func main() {
@@ -57,8 +58,9 @@ func main() {
 		log.Fatal("missing --backend-addr")
 	}
 	ts := &tsnet.Server{
-		Dir:      *tailscaleDir,
-		Hostname: *hostname,
+		Dir:        *tailscaleDir,
+		Hostname:   *hostname,
+		ControlURL: *loginServer,
 	}
 
 	// TODO(bradfitz,maisem): move this to a method on tsnet.Server probably.

cmd/stund/depaware.txt

@@ -2,6 +2,12 @@ tailscale.com/cmd/stund dependencies: (generated by github.com/tailscale/depawar
 
         github.com/beorn7/perks/quantile                             from github.com/prometheus/client_golang/prometheus
      💣 github.com/cespare/xxhash/v2                                 from github.com/prometheus/client_golang/prometheus
+        github.com/go-json-experiment/json                           from tailscale.com/types/opt
+        github.com/go-json-experiment/json/internal                  from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonflags        from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonopts         from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonwire         from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/jsontext                  from github.com/go-json-experiment/json+
         github.com/google/uuid                                       from tailscale.com/util/fastuuid
      💣 github.com/prometheus/client_golang/prometheus               from tailscale.com/tsweb/promvarz
         github.com/prometheus/client_golang/prometheus/internal      from github.com/prometheus/client_golang/prometheus
@@ -59,7 +65,7 @@ tailscale.com/cmd/stund dependencies: (generated by github.com/tailscale/depawar
         tailscale.com/types/lazy                                     from tailscale.com/version+
         tailscale.com/types/logger                                   from tailscale.com/tsweb
         tailscale.com/types/opt                                      from tailscale.com/envknob+
-        tailscale.com/types/ptr                                      from tailscale.com/tailcfg
+        tailscale.com/types/ptr                                      from tailscale.com/tailcfg+
         tailscale.com/types/structs                                  from tailscale.com/tailcfg+
         tailscale.com/types/tkatype                                  from tailscale.com/tailcfg+
         tailscale.com/types/views                                    from tailscale.com/net/tsaddr+
@@ -128,6 +134,7 @@ tailscale.com/cmd/stund dependencies: (generated by github.com/tailscale/depawar
         embed                                                        from crypto/internal/nistec+
         encoding                                                     from encoding/json+
         encoding/asn1                                                from crypto/x509+
+        encoding/base32                                              from github.com/go-json-experiment/json
         encoding/base64                                              from encoding/json+
         encoding/binary                                              from compress/gzip+
         encoding/hex                                                 from crypto/x509+

cmd/stunstamp/api.go

@@ -1,142 +0,0 @@
-// Copyright (c) Tailscale Inc & AUTHORS
-// SPDX-License-Identifier: BSD-3-Clause
-
-package main
-
-import (
-	"compress/gzip"
-	"encoding/json"
-	"errors"
-	"net/http"
-	"net/url"
-	"strconv"
-	"strings"
-	"time"
-
-	sq "github.com/Masterminds/squirrel"
-)
-
-type api struct {
-	db  *db
-	mux *http.ServeMux
-}
-
-func newAPI(db *db) *api {
-	a := &api{
-		db: db,
-	}
-	mux := http.NewServeMux()
-	mux.HandleFunc("/query", a.query)
-	a.mux = mux
-	return a
-}
-
-type apiResult struct {
-	At         int    `json:"at"` // time.Time.Unix()
-	RegionID   int    `json:"regionID"`
-	Hostname   string `json:"hostname"`
-	Af         int    `json:"af"` // 4 or 6
-	Addr       string `json:"addr"`
-	Source     int    `json:"source"` // timestampSourceUserspace (0) or timestampSourceKernel (1)
-	StableConn bool   `json:"stableConn"`
-	DstPort    int    `json:"dstPort"`
-	RttNS      *int   `json:"rttNS"`
-}
-
-func getTimeBounds(vals url.Values) (from time.Time, to time.Time, err error) {
-	lastForm, ok := vals["last"]
-	if ok && len(lastForm) > 0 {
-		dur, err := time.ParseDuration(lastForm[0])
-		if err != nil {
-			return time.Time{}, time.Time{}, err
-		}
-		now := time.Now()
-		return now.Add(-dur), now, nil
-	}
-
-	fromForm, ok := vals["from"]
-	if ok && len(fromForm) > 0 {
-		fromUnixSec, err := strconv.Atoi(fromForm[0])
-		if err != nil {
-			return time.Time{}, time.Time{}, err
-		}
-		from = time.Unix(int64(fromUnixSec), 0)
-		toForm, ok := vals["to"]
-		if ok && len(toForm) > 0 {
-			toUnixSec, err := strconv.Atoi(toForm[0])
-			if err != nil {
-				return time.Time{}, time.Time{}, err
-			}
-			to = time.Unix(int64(toUnixSec), 0)
-		} else {
-			return time.Time{}, time.Time{}, errors.New("from specified without to")
-		}
-		return from, to, nil
-	}
-
-	// no time bounds specified, default to last 1h
-	now := time.Now()
-	return now.Add(-time.Hour), now, nil
-}
-
-func (a *api) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	a.mux.ServeHTTP(w, r)
-}
-
-func (a *api) query(w http.ResponseWriter, r *http.Request) {
-	err := r.ParseForm()
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	from, to, err := getTimeBounds(r.Form)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-
-	sb := sq.Select("at_unix", "region_id", "hostname", "af", "address", "timestamp_source", "stable_conn", "dst_port", "rtt_ns").From("rtt")
-	sb = sb.Where(sq.And{
-		sq.GtOrEq{"at_unix": from.Unix()},
-		sq.LtOrEq{"at_unix": to.Unix()},
-	})
-	query, args, err := sb.ToSql()
-	if err != nil {
-		return
-	}
-
-	rows, err := a.db.Query(query, args...)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	results := make([]apiResult, 0)
-	for rows.Next() {
-		rtt := 0
-		result := apiResult{
-			RttNS: &rtt,
-		}
-		err = rows.Scan(&result.At, &result.RegionID, &result.Hostname, &result.Af, &result.Addr, &result.Source, &result.StableConn, &result.DstPort, &result.RttNS)
-		if err != nil {
-			http.Error(w, err.Error(), 500)
-			return
-		}
-		results = append(results, result)
-	}
-	if rows.Err() != nil {
-		http.Error(w, rows.Err().Error(), 500)
-		return
-	}
-	if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
-		gz := gzip.NewWriter(w)
-		defer gz.Close()
-		w.Header().Set("Content-Encoding", "gzip")
-		err = json.NewEncoder(gz).Encode(&results)
-	} else {
-		err = json.NewEncoder(w).Encode(&results)
-	}
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-}

cmd/stunstamp/stunstamp.go

@@ -38,11 +38,8 @@ import (
 
 var (
 	flagDERPMap        = flag.String("derp-map", "https://login.tailscale.com/derpmap/default", "URL to DERP map")
-	flagOut            = flag.String("out", "", "output sqlite filename")
 	flagInterval       = flag.Duration("interval", time.Minute, "interval to probe at in time.ParseDuration() format")
-	flagAPI            = flag.String("api", "", "listen addr for HTTP API")
 	flagIPv6           = flag.Bool("ipv6", false, "probe IPv6 addresses")
-	flagRetention      = flag.Duration("retention", time.Hour*24*7, "sqlite retention period in time.ParseDuration() format")
 	flagRemoteWriteURL = flag.String("rw-url", "", "prometheus remote write URL")
 	flagInstance       = flag.String("instance", "", "instance label value; defaults to hostname if unspecified")
 	flagDstPorts       = flag.String("dst-ports", "", "comma-separated list of destination ports to monitor")
@@ -63,10 +60,13 @@ func getDERPMap(ctx context.Context, url string) (*tailcfg.DERPMap, error) {
 		return nil, err
 	}
 	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("non-200 derp map resp: %d", resp.StatusCode)
+	}
 	dm := tailcfg.DERPMap{}
 	err = json.NewDecoder(resp.Body).Decode(&dm)
 	if err != nil {
-		return nil, nil
+		return nil, fmt.Errorf("failed to decode derp map resp: %v", err)
 	}
 	return &dm, nil
 }
@@ -89,13 +89,19 @@ func (t timestampSource) String() string {
 	}
 }
 
-type result struct {
-	at              time.Time
+// resultKey contains the stable dimensions and their values for a given
+// timeseries, i.e. not time and not rtt/timeout.
+type resultKey struct {
 	meta            nodeMeta
 	timestampSource timestampSource
 	connStability   connStability
 	dstPort         int
-	rtt             *time.Duration // nil signifies failure, e.g. timeout
+}
+
+type result struct {
+	key resultKey
+	at  time.Time
+	rtt *time.Duration // nil signifies failure, e.g. timeout
 }
 
 func measureRTT(conn io.ReadWriteCloser, dst *net.UDPAddr) (rtt time.Duration, err error) {
@@ -149,6 +155,10 @@ type nodeMeta struct {
 
 type measureFn func(conn io.ReadWriteCloser, dst *net.UDPAddr) (rtt time.Duration, err error)
 
+// probe measures STUN round trip time for the node described by meta over
+// conn against dstPort. It may return a nil duration and nil error if the
+// STUN request timed out. A non-nil error indicates an unrecoverable or
+// non-temporary error.
 func probe(meta nodeMeta, conn io.ReadWriteCloser, fn measureFn, dstPort int) (*time.Duration, error) {
 	ua := &net.UDPAddr{
 		IP:   net.IP(meta.addr.AsSlice()),
@@ -162,10 +172,15 @@ func probe(meta nodeMeta, conn io.ReadWriteCloser, fn measureFn, dstPort int) (*
 			log.Printf("temp error measuring RTT to %s(%s): %v", meta.hostname, ua.String(), err)
 			return nil, nil
 		}
+		return nil, err
 	}
 	return &rtt, nil
 }
 
+// nodeMetaFromDERPMap parses the provided DERP map in order to update nodeMeta
+// in the provided nodeMetaByAddr. It returns a slice of nodeMeta containing
+// the nodes that are no longer seen in the DERP map, but were previously held
+// in nodeMetaByAddr.
 func nodeMetaFromDERPMap(dm *tailcfg.DERPMap, nodeMetaByAddr map[netip.Addr]nodeMeta, ipv6 bool) (stale []nodeMeta, err error) {
 	// Parse the new derp map before making any state changes in nodeMetaByAddr.
 	// If parse fails we just stick with the old state.
@@ -271,10 +286,12 @@ func probeNodes(nodeMetaByAddr map[netip.Addr]nodeMeta, stableConns map[netip.Ad
 	doProbe := func(conn io.ReadWriteCloser, meta nodeMeta, source timestampSource, dstPort int) {
 		defer wg.Done()
 		r := result{
-			at:              at,
-			meta:            meta,
-			timestampSource: source,
-			dstPort:         dstPort,
+			key: resultKey{
+				meta:            meta,
+				timestampSource: source,
+				dstPort:         dstPort,
+			},
+			at: at,
 		}
 		if conn == nil {
 			var err error
@@ -293,7 +310,7 @@ func probeNodes(nodeMetaByAddr map[netip.Addr]nodeMeta, stableConns map[netip.Ad
 			}
 			defer conn.Close()
 		} else {
-			r.connStability = stableConn
+			r.key.connStability = stableConn
 		}
 		fn := measureRTT
 		if source == timestampSourceKernel {
@@ -373,7 +390,12 @@ const (
 	stableConn   connStability = true
 )
 
-func timeSeriesLabels(meta nodeMeta, instance string, source timestampSource, stability connStability, dstPort int) []prompb.Label {
+const (
+	rttMetricName      = "stunstamp_derp_stun_rtt_ns"
+	timeoutsMetricName = "stunstamp_derp_stun_timeouts_total"
+)
+
+func timeSeriesLabels(metricName string, meta nodeMeta, instance string, source timestampSource, stability connStability, dstPort int) []prompb.Label {
 	addressFamily := "ipv4"
 	if meta.addr.Is6() {
 		addressFamily = "ipv6"
@@ -409,7 +431,7 @@ func timeSeriesLabels(meta nodeMeta, instance string, source timestampSource, st
 	})
 	labels = append(labels, prompb.Label{
 		Name:  "__name__",
-		Value: "stunstamp_derp_stun_rtt_ns",
+		Value: metricName,
 	})
 	labels = append(labels, prompb.Label{
 		Name:  "timestamp_source",
@@ -443,20 +465,36 @@ func staleMarkersFromNodeMeta(stale []nodeMeta, instance string, dstPorts []int)
 				},
 			}
 			staleMarkers = append(staleMarkers, prompb.TimeSeries{
-				Labels:  timeSeriesLabels(s, instance, timestampSourceUserspace, unstableConn, dstPort),
+				Labels:  timeSeriesLabels(rttMetricName, s, instance, timestampSourceUserspace, unstableConn, dstPort),
 				Samples: samples,
 			})
 			staleMarkers = append(staleMarkers, prompb.TimeSeries{
-				Labels:  timeSeriesLabels(s, instance, timestampSourceUserspace, stableConn, dstPort),
+				Labels:  timeSeriesLabels(rttMetricName, s, instance, timestampSourceUserspace, stableConn, dstPort),
+				Samples: samples,
+			})
+			staleMarkers = append(staleMarkers, prompb.TimeSeries{
+				Labels:  timeSeriesLabels(timeoutsMetricName, s, instance, timestampSourceUserspace, unstableConn, dstPort),
+				Samples: samples,
+			})
+			staleMarkers = append(staleMarkers, prompb.TimeSeries{
+				Labels:  timeSeriesLabels(timeoutsMetricName, s, instance, timestampSourceUserspace, stableConn, dstPort),
 				Samples: samples,
 			})
 			if supportsKernelTS() {
 				staleMarkers = append(staleMarkers, prompb.TimeSeries{
-					Labels:  timeSeriesLabels(s, instance, timestampSourceKernel, unstableConn, dstPort),
+					Labels:  timeSeriesLabels(rttMetricName, s, instance, timestampSourceKernel, unstableConn, dstPort),
 					Samples: samples,
 				})
 				staleMarkers = append(staleMarkers, prompb.TimeSeries{
-					Labels:  timeSeriesLabels(s, instance, timestampSourceKernel, stableConn, dstPort),
+					Labels:  timeSeriesLabels(rttMetricName, s, instance, timestampSourceKernel, stableConn, dstPort),
+					Samples: samples,
+				})
+				staleMarkers = append(staleMarkers, prompb.TimeSeries{
+					Labels:  timeSeriesLabels(timeoutsMetricName, s, instance, timestampSourceKernel, unstableConn, dstPort),
+					Samples: samples,
+				})
+				staleMarkers = append(staleMarkers, prompb.TimeSeries{
+					Labels:  timeSeriesLabels(timeoutsMetricName, s, instance, timestampSourceKernel, stableConn, dstPort),
 					Samples: samples,
 				})
 			}
@@ -465,25 +503,47 @@ func staleMarkersFromNodeMeta(stale []nodeMeta, instance string, dstPorts []int)
 	return staleMarkers
 }
 
-func resultToPromTimeSeries(r result, instance string) prompb.TimeSeries {
-	labels := timeSeriesLabels(r.meta, instance, r.timestampSource, r.connStability, r.dstPort)
-	samples := make([]prompb.Sample, 1)
-	samples[0].Timestamp = r.at.UnixMilli()
-	if r.rtt != nil {
-		samples[0].Value = float64(*r.rtt)
-	} else {
-		samples[0].Value = math.NaN()
-		// TODO: timeout counter
+// resultsToPromTimeSeries returns a slice of prometheus TimeSeries for the
+// provided results and instance. timeouts is updated based on results, i.e.
+// all result.key's are added to timeouts if they do not exist, and removed
+// from timeouts if they are not present in results.
+func resultsToPromTimeSeries(results []result, instance string, timeouts map[resultKey]uint64) []prompb.TimeSeries {
+	all := make([]prompb.TimeSeries, 0, len(results)*2)
+	seenKeys := make(map[resultKey]bool)
+	for _, r := range results {
+		timeoutsCount := timeouts[r.key] // a non-existent key will return a zero val
+		seenKeys[r.key] = true
+		rttLabels := timeSeriesLabels(rttMetricName, r.key.meta, instance, r.key.timestampSource, r.key.connStability, r.key.dstPort)
+		rttSamples := make([]prompb.Sample, 1)
+		rttSamples[0].Timestamp = r.at.UnixMilli()
+		if r.rtt != nil {
+			rttSamples[0].Value = float64(*r.rtt)
+		} else {
+			rttSamples[0].Value = math.NaN()
+			timeoutsCount++
+		}
+		rttTS := prompb.TimeSeries{
+			Labels:  rttLabels,
+			Samples: rttSamples,
+		}
+		all = append(all, rttTS)
+		timeouts[r.key] = timeoutsCount
+		timeoutsLabels := timeSeriesLabels(timeoutsMetricName, r.key.meta, instance, r.key.timestampSource, r.key.connStability, r.key.dstPort)
+		timeoutsSamples := make([]prompb.Sample, 1)
+		timeoutsSamples[0].Timestamp = r.at.UnixMilli()
+		timeoutsSamples[0].Value = float64(timeoutsCount)
+		timeoutsTS := prompb.TimeSeries{
+			Labels:  timeoutsLabels,
+			Samples: timeoutsSamples,
+		}
+		all = append(all, timeoutsTS)
 	}
-	ts := prompb.TimeSeries{
-		Labels:  labels,
-		Samples: samples,
+	for k := range timeouts {
+		if !seenKeys[k] {
+			delete(timeouts, k)
+		}
 	}
-	slices.SortFunc(ts.Labels, func(a, b prompb.Label) int {
-		// prometheus remote-write spec requires lexicographically sorted label names
-		return cmp.Compare(a.Name, b.Name)
-	})
-	return ts
+	return all
 }
 
 type remoteWriteClient struct {
@@ -579,15 +639,9 @@ func main() {
 	if len(*flagDERPMap) < 1 {
 		log.Fatal("derp-map flag is unset")
 	}
-	if len(*flagOut) < 1 {
-		log.Fatal("out flag is unset")
-	}
 	if *flagInterval < minInterval || *flagInterval > maxBufferDuration {
 		log.Fatalf("interval must be >= %s and <= %s", minInterval, maxBufferDuration)
 	}
-	if *flagRetention < *flagInterval {
-		log.Fatal("retention must be >= interval")
-	}
 	if len(*flagRemoteWriteURL) < 1 {
 		log.Fatal("rw-url flag is unset")
 	}
@@ -633,49 +687,6 @@ func main() {
 		}
 	}
 
-	db, err := newDB(*flagOut)
-	if err != nil {
-		log.Fatalf("error opening output file for writing: %v", err)
-	}
-	defer db.Close()
-
-	_, err = db.Exec("PRAGMA journal_mode=WAL")
-	if err != nil {
-		log.Fatalf("error enabling WAL mode: %v", err)
-	}
-
-	// No indices or primary key. Keep it simple for now. Reads will be full
-	// scans. We can AUTOINCREMENT rowid in the future and hold an in-memory
-	// index to at_unix if needed as reads are almost always going to be
-	// time-bound (e.g. WHERE at_unix >= ?). At the time of authorship we have
-	// ~300 data points per-interval w/o ipv6 w/kernel timestamping resulting
-	// in ~2.6m rows in 24h w/a 10s probe interval.
-	_, err = db.Exec(`
-CREATE TABLE IF NOT EXISTS rtt(at_unix INT, region_id INT, hostname TEXT, af INT, address TEXT, timestamp_source INT, stable_conn INT, dst_port INT, rtt_ns INT)
-`)
-	if err != nil {
-		log.Fatalf("error initializing db: %v", err)
-	}
-
-	wg := sync.WaitGroup{}
-	httpErrCh := make(chan error, 1)
-	var httpServer *http.Server
-	if len(*flagAPI) > 0 {
-		api := newAPI(db)
-		httpServer = &http.Server{
-			Addr:         *flagAPI,
-			Handler:      api,
-			ReadTimeout:  time.Second * 60,
-			WriteTimeout: time.Second * 60,
-		}
-		wg.Add(1)
-		go func() {
-			err := httpServer.ListenAndServe()
-			httpErrCh <- err
-			wg.Done()
-		}()
-	}
-
 	tsCh := make(chan []prompb.TimeSeries, maxBufferDuration / *flagInterval)
 	remoteWriteDoneCh := make(chan struct{})
 	rwc := newRemoteWriteClient(*flagRemoteWriteURL)
@@ -685,9 +696,6 @@ CREATE TABLE IF NOT EXISTS rtt(at_unix INT, region_id INT, hostname TEXT, af INT
 	}()
 
 	shutdown := func() {
-		if httpServer != nil {
-			httpServer.Close()
-		}
 		close(tsCh)
 		select {
 		case <-time.After(time.Second * 10): // give goroutine some time to flush
@@ -706,7 +714,6 @@ CREATE TABLE IF NOT EXISTS rtt(at_unix INT, region_id INT, hostname TEXT, af INT
 			cancel()
 		}
 
-		wg.Wait()
 		return
 	}
 
@@ -719,24 +726,17 @@ CREATE TABLE IF NOT EXISTS rtt(at_unix INT, region_id INT, hostname TEXT, af INT
 	// comes into play.
 	stableConns := make(map[netip.Addr]map[int][2]io.ReadWriteCloser)
 
+	// timeouts holds counts of timeout events. Values are persisted for the
+	// lifetime of the related node in the DERP map.
+	timeouts := make(map[resultKey]uint64)
+
 	derpMapTicker := time.NewTicker(time.Minute * 5)
 	defer derpMapTicker.Stop()
 	probeTicker := time.NewTicker(*flagInterval)
 	defer probeTicker.Stop()
-	cleanupTicker := time.NewTicker(time.Hour)
-	defer cleanupTicker.Stop()
 
 	for {
 		select {
-		case <-cleanupTicker.C:
-			older := time.Now().Add(-*flagRetention)
-			log.Printf("cleaning up measurements older than %v", older)
-			_, err := db.Exec("DELETE FROM rtt WHERE at_unix < ?", older.Unix())
-			if err != nil {
-				log.Printf("error cleaning up old data: %v", err)
-				shutdown()
-				return
-			}
 		case <-probeTicker.C:
 			results, err := probeNodes(nodeMetaByAddr, stableConns, dstPorts)
 			if err != nil {
@@ -744,10 +744,7 @@ CREATE TABLE IF NOT EXISTS rtt(at_unix INT, region_id INT, hostname TEXT, af INT
 				shutdown()
 				return
 			}
-			ts := make([]prompb.TimeSeries, 0, len(results))
-			for _, r := range results {
-				ts = append(ts, resultToPromTimeSeries(r, *flagInstance))
-			}
+			ts := resultsToPromTimeSeries(results, *flagInstance, timeouts)
 			select {
 			case tsCh <- ts:
 			default:
@@ -758,32 +755,6 @@ CREATE TABLE IF NOT EXISTS rtt(at_unix INT, region_id INT, hostname TEXT, af INT
 					tsCh <- ts
 				}
 			}
-			tx, err := db.Begin()
-			if err != nil {
-				log.Printf("error beginning sqlite tx: %v", err)
-				shutdown()
-				return
-			}
-			for _, result := range results {
-				af := 4
-				if result.meta.addr.Is6() {
-					af = 6
-				}
-				_, err = tx.Exec("INSERT INTO rtt(at_unix, region_id, hostname, af, address, timestamp_source, stable_conn, dst_port, rtt_ns) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?)",
-					result.at.Unix(), result.meta.regionID, result.meta.hostname, af, result.meta.addr.String(), result.timestampSource, result.connStability, result.dstPort, result.rtt)
-				if err != nil {
-					tx.Rollback()
-					log.Printf("error adding result to tx: %v", err)
-					shutdown()
-					return
-				}
-			}
-			err = tx.Commit()
-			if err != nil {
-				log.Printf("error committing tx: %v", err)
-				shutdown()
-				return
-			}
 		case dm := <-dmCh:
 			staleMeta, err := nodeMetaFromDERPMap(dm, nodeMetaByAddr, *flagIPv6)
 			if err != nil {
@@ -813,10 +784,6 @@ CREATE TABLE IF NOT EXISTS rtt(at_unix INT, region_id INT, hostname TEXT, af INT
 					dmCh <- updatedDM
 				}
 			}()
-		case err := <-httpErrCh:
-			log.Printf("http server error: %v", err)
-			shutdown()
-			return
 		case <-sigCh:
 			shutdown()
 			return

cmd/stunstamp/stunstamp_db_default.go

@@ -1,26 +0,0 @@
-// Copyright (c) Tailscale Inc & AUTHORS
-// SPDX-License-Identifier: BSD-3-Clause
-
-//go:build !(windows && 386)
-
-package main
-
-import (
-	"database/sql"
-
-	_ "modernc.org/sqlite"
-)
-
-type db struct {
-	*sql.DB
-}
-
-func newDB(path string) (*db, error) {
-	d, err := sql.Open("sqlite", *flagOut)
-	if err != nil {
-		return nil, err
-	}
-	return &db{
-		DB: d,
-	}, nil
-}

cmd/stunstamp/stunstamp_db_windows_386.go

@@ -1,17 +0,0 @@
-// Copyright (c) Tailscale Inc & AUTHORS
-// SPDX-License-Identifier: BSD-3-Clause
-
-package main
-
-import (
-	"database/sql"
-	"errors"
-)
-
-type db struct {
-	*sql.DB
-}
-
-func newDB(path string) (*db, error) {
-	return nil, errors.New("unsupported platform")
-}

cmd/tailscale/cli/cert.go

@@ -16,6 +16,7 @@ import (
 	"net/http"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/peterbourgon/ff/v3/ffcli"
 	"software.sslmate.com/src/go-pkcs12"
@@ -34,14 +35,16 @@ var certCmd = &ffcli.Command{
 		fs.StringVar(&certArgs.certFile, "cert-file", "", "output cert file or \"-\" for stdout; defaults to DOMAIN.crt if --cert-file and --key-file are both unset")
 		fs.StringVar(&certArgs.keyFile, "key-file", "", "output key file or \"-\" for stdout; defaults to DOMAIN.key if --cert-file and --key-file are both unset")
 		fs.BoolVar(&certArgs.serve, "serve-demo", false, "if true, serve on port :443 using the cert as a demo, instead of writing out the files to disk")
+		fs.DurationVar(&certArgs.minValidity, "min-validity", 0, "ensure the certificate is valid for at least this duration; the output certificate is never expired if this flag is unset or 0, but the lifetime may vary; the maximum allowed min-validity depends on the CA")
 		return fs
 	})(),
 }
 
 var certArgs struct {
-	certFile string
-	keyFile  string
-	serve    bool
+	certFile    string
+	keyFile     string
+	serve       bool
+	minValidity time.Duration
 }
 
 func runCert(ctx context.Context, args []string) error {
@@ -102,7 +105,7 @@ func runCert(ctx context.Context, args []string) error {
 		certArgs.certFile = domain + ".crt"
 		certArgs.keyFile = domain + ".key"
 	}
-	certPEM, keyPEM, err := localClient.CertPair(ctx, domain)
+	certPEM, keyPEM, err := localClient.CertPairWithValidity(ctx, domain, certArgs.minValidity)
 	if err != nil {
 		return err
 	}

cmd/tailscale/cli/cli.go

@@ -7,6 +7,7 @@ package cli
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"flag"
 	"fmt"
@@ -159,8 +160,10 @@ func newRootCmd() *ffcli.Command {
 		return nil
 	})
 	rootfs.Lookup("socket").DefValue = localClient.Socket
+	jsonDocs := rootfs.Bool("json-docs", false, hidden+"print JSON-encoded docs for all subcommands and flags")
 
-	rootCmd := &ffcli.Command{
+	var rootCmd *ffcli.Command
+	rootCmd = &ffcli.Command{
 		Name:       "tailscale",
 		ShortUsage: "tailscale [flags] <subcommand> [command flags]",
 		ShortHelp:  "The easiest, most secure way to use WireGuard.",
@@ -202,6 +205,9 @@ change in the future.
 		},
 		FlagSet: rootfs,
 		Exec: func(ctx context.Context, args []string) error {
+			if *jsonDocs {
+				return printJSONDocs(rootCmd)
+			}
 			if len(args) > 0 {
 				return fmt.Errorf("tailscale: unknown subcommand: %s", args[0])
 			}
@@ -401,3 +407,54 @@ func colorableOutput() (w io.Writer, ok bool) {
 	}
 	return colorable.NewColorableStdout(), true
 }
+
+type commandDoc struct {
+	Name        string
+	Desc        string
+	Subcommands []commandDoc `json:",omitempty"`
+	Flags       []flagDoc    `json:",omitempty"`
+}
+
+type flagDoc struct {
+	Name string
+	Desc string
+}
+
+func printJSONDocs(root *ffcli.Command) error {
+	docs := jsonDocsWalk(root)
+	return json.NewEncoder(os.Stdout).Encode(docs)
+}
+
+func jsonDocsWalk(cmd *ffcli.Command) *commandDoc {
+	res := &commandDoc{
+		Name: cmd.Name,
+	}
+	if cmd.LongHelp != "" {
+		res.Desc = cmd.LongHelp
+	} else if cmd.ShortHelp != "" {
+		res.Desc = cmd.ShortHelp
+	} else {
+		res.Desc = cmd.ShortUsage
+	}
+	if strings.HasPrefix(res.Desc, hidden) {
+		return nil
+	}
+	if cmd.FlagSet != nil {
+		cmd.FlagSet.VisitAll(func(f *flag.Flag) {
+			if strings.HasPrefix(f.Usage, hidden) {
+				return
+			}
+			res.Flags = append(res.Flags, flagDoc{
+				Name: f.Name,
+				Desc: f.Usage,
+			})
+		})
+	}
+	for _, sub := range cmd.Subcommands {
+		subj := jsonDocsWalk(sub)
+		if subj != nil {
+			res.Subcommands = append(res.Subcommands, *subj)
+		}
+	}
+	return res
+}

cmd/tailscale/cli/drive.go

@@ -6,6 +6,7 @@ package cli
 import (
 	"context"
 	"fmt"
+	"path/filepath"
 	"strings"
 
 	"github.com/peterbourgon/ff/v3/ffcli"
@@ -66,9 +67,14 @@ func runDriveShare(ctx context.Context, args []string) error {
 
 	name, path := args[0], args[1]
 
-	err := localClient.DriveShareSet(ctx, &drive.Share{
+	absolutePath, err := filepath.Abs(path)
+	if err != nil {
+		return err
+	}
+
+	err = localClient.DriveShareSet(ctx, &drive.Share{
 		Name: name,
-		Path: path,
+		Path: absolutePath,
 	})
 	if err == nil {
 		fmt.Printf("Sharing %q as %q\n", path, name)

cmd/tailscale/cli/exitnode.go

@@ -13,6 +13,7 @@ import (
 	"strings"
 	"text/tabwriter"
 
+	"github.com/kballard/go-shellquote"
 	"github.com/peterbourgon/ff/v3/ffcli"
 	xmaps "golang.org/x/exp/maps"
 	"tailscale.com/envknob"
@@ -136,6 +137,7 @@ func runExitNodeList(ctx context.Context, args []string) error {
 	}
 	fmt.Fprintln(w)
 	fmt.Fprintln(w)
+	fmt.Fprintln(w, "# To view the complete list of exit nodes for a country, use `tailscale exit-node list --filter=` followed by the country name.")
 	fmt.Fprintln(w, "# To use an exit node, use `tailscale set --exit-node=` followed by the hostname or IP.")
 	if hasAnyExitNodeSuggestions(peers) {
 		fmt.Fprintln(w, "# To have Tailscale suggest an exit node, use `tailscale exit-node suggest`.")
@@ -154,7 +156,7 @@ func runExitNodeSuggest(ctx context.Context, args []string) error {
 		fmt.Println("No exit node suggestion is available.")
 		return nil
 	}
-	fmt.Printf("Suggested exit node: %v\nTo accept this suggestion, use `tailscale set --exit-node=%v`.\n", res.Name, res.ID)
+	fmt.Printf("Suggested exit node: %v\nTo accept this suggestion, use `tailscale set --exit-node=%v`.\n", res.Name, shellquote.Join(res.Name))
 	return nil
 }
 
@@ -229,7 +231,7 @@ func filterFormatAndSortExitNodes(peers []*ipnstate.PeerStatus, filterBy string)
 	for _, ps := range peers {
 		loc := cmp.Or(ps.Location, noLocation)
 
-		if filterBy != "" && loc.Country != filterBy {
+		if filterBy != "" && !strings.EqualFold(loc.Country, filterBy) {
 			continue
 		}
 
@@ -269,9 +271,14 @@ func filterFormatAndSortExitNodes(peers []*ipnstate.PeerStatus, filterBy string)
 			countryAnyPeer = append(countryAnyPeer, city.Peers...)
 			var reducedCityPeers []*ipnstate.PeerStatus
 			for i, peer := range city.Peers {
+				if filterBy != "" {
+					// If the peers are being filtered, we return all peers to the user.
+					reducedCityPeers = append(reducedCityPeers, city.Peers...)
+					break
+				}
+				// If the peers are not being filtered, we only return the highest priority peer and any peer that
+				// is currently the active exit node.
 				if i == 0 || peer.ExitNode {
-					// We only return the highest priority peer and any peer that
-					// is currently the active exit node.
 					reducedCityPeers = append(reducedCityPeers, peer)
 				}
 			}

cmd/tailscale/cli/exitnode_test.go

@@ -219,7 +219,7 @@ func TestFilterFormatAndSortExitNodes(t *testing.T) {
 						{
 							Name: "Rainier",
 							Peers: []*ipnstate.PeerStatus{
-								ps[2],
+								ps[2], ps[3],
 							},
 						},
 					},

cmd/tailscale/cli/ffcomplete/internal/complete.go

@@ -1,6 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
+// Package internal contains internal code for the ffcomplete package.
 package internal
 
 import (

cmd/tailscale/cli/netcheck.go

@@ -52,9 +52,15 @@ func runNetcheck(ctx context.Context, args []string) error {
 	if err != nil {
 		return err
 	}
+
+	// Ensure that we close the portmapper after running a netcheck; this
+	// will release any port mappings created.
+	pm := portmapper.NewClient(logf, netMon, nil, nil, nil)
+	defer pm.Close()
+
 	c := &netcheck.Client{
 		NetMon:      netMon,
-		PortMapper:  portmapper.NewClient(logf, netMon, nil, nil, nil),
+		PortMapper:  pm,
 		UseDNSCache: false, // always resolve, don't cache
 	}
 	if netcheckArgs.verbose {

cmd/tailscale/cli/network-lock.go

@@ -789,7 +789,7 @@ func runNetworkLockRevokeKeys(ctx context.Context, args []string) error {
 		}
 
 		fmt.Printf(`Run the following command on another machine with a trusted tailnet lock key:
-	%s lock recover-compromised-key --cosign %X
+	%s lock revoke-keys --cosign %X
 `, os.Args[0], aumBytes)
 		return nil
 	}
@@ -813,10 +813,10 @@ func runNetworkLockRevokeKeys(ctx context.Context, args []string) error {
 		fmt.Printf(`Co-signing completed successfully.
 
 To accumulate an additional signature, run the following command on another machine with a trusted tailnet lock key:
-	%s lock recover-compromised-key --cosign %X
+	%s lock revoke-keys --cosign %X
 
 Alternatively if you are done with co-signing, complete recovery by running the following command:
-	%s lock recover-compromised-key --finish %X
+	%s lock revoke-keys --finish %X
 `, os.Args[0], aumBytes, os.Args[0], aumBytes)
 	}
 

cmd/tailscale/cli/serve_v2_test.go

@@ -74,7 +74,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 					Web: map[ipn.HostPort]*ipn.WebServerConfig{
 						"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-							"/": {Proxy: "http://127.0.0.1:3000"},
+							"/": {Proxy: "http://localhost:3000"},
 						}},
 					},
 					AllowFunnel: map[ipn.HostPort]bool{"foo.test.ts.net:443": true},
@@ -89,7 +89,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 					Web: map[ipn.HostPort]*ipn.WebServerConfig{
 						"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-							"/": {Proxy: "http://127.0.0.1:3000"},
+							"/": {Proxy: "http://localhost:3000"},
 						}},
 					},
 				},
@@ -103,7 +103,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 					Web: map[ipn.HostPort]*ipn.WebServerConfig{
 						"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-							"/": {Proxy: "http://127.0.0.1:3000"},
+							"/": {Proxy: "http://localhost:3000"},
 						}},
 					},
 				},
@@ -117,7 +117,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					TCP: map[uint16]*ipn.TCPPortHandler{80: {HTTP: true}},
 					Web: map[ipn.HostPort]*ipn.WebServerConfig{
 						"foo.test.ts.net:80": {Handlers: map[string]*ipn.HTTPHandler{
-							"/": {Proxy: "http://127.0.0.1:3000"},
+							"/": {Proxy: "http://localhost:3000"},
 						}},
 					},
 				},
@@ -131,7 +131,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					TCP: map[uint16]*ipn.TCPPortHandler{8443: {HTTPS: true}},
 					Web: map[ipn.HostPort]*ipn.WebServerConfig{
 						"foo.test.ts.net:8443": {Handlers: map[string]*ipn.HTTPHandler{
-							"/": {Proxy: "http://127.0.0.1:3000"},
+							"/": {Proxy: "http://localhost:3000"},
 						}},
 					},
 				},
@@ -146,7 +146,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{80: {HTTP: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:80": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -157,10 +157,10 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{80: {HTTP: true}, 9999: {HTTP: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:80": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:9999": {Handlers: map[string]*ipn.HTTPHandler{
-								"/abc": {Proxy: "http://127.0.0.1:3001"},
+								"/abc": {Proxy: "http://localhost:3001"},
 							}},
 						},
 					},
@@ -171,7 +171,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{80: {HTTP: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:80": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -182,7 +182,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{80: {HTTP: true}, 8080: {HTTP: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:80": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:8080": {Handlers: map[string]*ipn.HTTPHandler{
 								"/abc": {Proxy: "http://127.0.0.1:3001"},
@@ -236,7 +236,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -247,10 +247,10 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 9999: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:9999": {Handlers: map[string]*ipn.HTTPHandler{
-								"/abc": {Proxy: "http://127.0.0.1:3001"},
+								"/abc": {Proxy: "http://localhost:3001"},
 							}},
 						},
 					},
@@ -261,7 +261,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -272,7 +272,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 8443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:8443": {Handlers: map[string]*ipn.HTTPHandler{
 								"/abc": {Proxy: "http://127.0.0.1:3001"},
@@ -361,7 +361,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/foo": {Proxy: "http://127.0.0.1:3000"},
+								"/foo": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -372,10 +372,10 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 8443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/foo": {Proxy: "http://127.0.0.1:3000"},
+								"/foo": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:8443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/foo": {Proxy: "http://127.0.0.1:3000"},
+								"/foo": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -439,7 +439,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					want: &ipn.ServeConfig{
 						TCP: map[uint16]*ipn.TCPPortHandler{
 							443: {
-								TCPForward:   "127.0.0.1:5432",
+								TCPForward:   "localhost:5432",
 								TerminateTLS: "foo.test.ts.net",
 							},
 						},
@@ -466,7 +466,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					want: &ipn.ServeConfig{
 						TCP: map[uint16]*ipn.TCPPortHandler{
 							443: {
-								TCPForward:   "127.0.0.1:123",
+								TCPForward:   "localhost:123",
 								TerminateTLS: "foo.test.ts.net",
 							},
 						},
@@ -560,7 +560,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -572,7 +572,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP:         map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -584,10 +584,10 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP:         map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 8443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:8443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/bar": {Proxy: "http://127.0.0.1:3001"},
+								"/bar": {Proxy: "http://localhost:3001"},
 							}},
 						},
 					},
@@ -599,10 +599,10 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP:         map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 8443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:8443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/bar": {Proxy: "http://127.0.0.1:3001"},
+								"/bar": {Proxy: "http://localhost:3001"},
 							}},
 						},
 					},
@@ -614,10 +614,10 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP:         map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 8443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 							"foo.test.ts.net:8443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/bar": {Proxy: "http://127.0.0.1:3001"},
+								"/bar": {Proxy: "http://localhost:3001"},
 							}},
 						},
 					},
@@ -628,7 +628,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -636,10 +636,10 @@ func TestServeDevConfigMutations(t *testing.T) {
 				{ // start a tcp forwarder on 8443
 					command: cmd("serve --bg --tcp=8443 tcp://localhost:5432"),
 					want: &ipn.ServeConfig{
-						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 8443: {TCPForward: "127.0.0.1:5432"}},
+						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}, 8443: {TCPForward: "localhost:5432"}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -647,7 +647,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 				{ // remove primary port http handler
 					command: cmd("serve off"),
 					want: &ipn.ServeConfig{
-						TCP: map[uint16]*ipn.TCPPortHandler{8443: {TCPForward: "127.0.0.1:5432"}},
+						TCP: map[uint16]*ipn.TCPPortHandler{8443: {TCPForward: "localhost:5432"}},
 					},
 				},
 				{ // remove tcp forwarder
@@ -717,7 +717,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 					want: &ipn.ServeConfig{
 						TCP: map[uint16]*ipn.TCPPortHandler{
 							443: {
-								TCPForward:   "127.0.0.1:5432",
+								TCPForward:   "localhost:5432",
 								TerminateTLS: "foo.test.ts.net",
 							},
 						},
@@ -738,7 +738,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{443: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:443": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -758,7 +758,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{4545: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:4545": {Handlers: map[string]*ipn.HTTPHandler{
-								"/foo": {Proxy: "http://127.0.0.1:3000"},
+								"/foo": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -769,8 +769,8 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{4545: {HTTPS: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:4545": {Handlers: map[string]*ipn.HTTPHandler{
-								"/foo": {Proxy: "http://127.0.0.1:3000"},
-								"/bar": {Proxy: "http://127.0.0.1:3000"},
+								"/foo": {Proxy: "http://localhost:3000"},
+								"/bar": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},
@@ -800,7 +800,7 @@ func TestServeDevConfigMutations(t *testing.T) {
 						TCP: map[uint16]*ipn.TCPPortHandler{3000: {HTTP: true}},
 						Web: map[ipn.HostPort]*ipn.WebServerConfig{
 							"foo.test.ts.net:3000": {Handlers: map[string]*ipn.HTTPHandler{
-								"/": {Proxy: "http://127.0.0.1:3000"},
+								"/": {Proxy: "http://localhost:3000"},
 							}},
 						},
 					},

cmd/tailscale/cli/set.go

@@ -210,6 +210,9 @@ func runSet(ctx context.Context, args []string) (retErr error) {
 		}
 	}
 	if maskedPrefs.AutoUpdateSet.ApplySet {
+		if !clientupdate.CanAutoUpdate() {
+			return errors.New("automatic updates are not supported on this platform")
+		}
 		// On macsys, tailscaled will set the Sparkle auto-update setting. It
 		// does not use clientupdate.
 		if version.IsMacSysExt() {
@@ -221,10 +224,6 @@ func runSet(ctx context.Context, args []string) (retErr error) {
 			if err != nil {
 				return fmt.Errorf("failed to enable automatic updates: %v, %q", err, out)
 			}
-		} else {
-			if !clientupdate.CanAutoUpdate() {
-				return errors.New("automatic updates are not supported on this platform")
-			}
 		}
 	}
 	checkPrefs := curPrefs.Clone()

cmd/tailscale/depaware.txt

@@ -9,6 +9,12 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
    W 💣 github.com/dblohm7/wingoes                                   from github.com/dblohm7/wingoes/pe+
    W 💣 github.com/dblohm7/wingoes/pe                                from tailscale.com/util/winutil/authenticode
         github.com/fxamacker/cbor/v2                                 from tailscale.com/tka
+        github.com/go-json-experiment/json                           from tailscale.com/types/opt
+        github.com/go-json-experiment/json/internal                  from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonflags        from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonopts         from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/internal/jsonwire         from github.com/go-json-experiment/json+
+        github.com/go-json-experiment/json/jsontext                  from github.com/go-json-experiment/json+
         github.com/golang/groupcache/lru                             from tailscale.com/net/dnscache
    L    github.com/google/nftables                                   from tailscale.com/util/linuxfw
    L 💣 github.com/google/nftables/alignedbuff                       from github.com/google/nftables/xt
@@ -94,16 +100,17 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
         tailscale.com/ipn/ipnstate                                   from tailscale.com/client/tailscale+
         tailscale.com/licenses                                       from tailscale.com/client/web+
         tailscale.com/metrics                                        from tailscale.com/derp
+        tailscale.com/net/captivedetection                           from tailscale.com/net/netcheck
         tailscale.com/net/dns/recursive                              from tailscale.com/net/dnsfallback
         tailscale.com/net/dnscache                                   from tailscale.com/control/controlhttp+
-        tailscale.com/net/dnsfallback                                from tailscale.com/control/controlhttp
+        tailscale.com/net/dnsfallback                                from tailscale.com/control/controlhttp+
         tailscale.com/net/flowtrack                                  from tailscale.com/net/packet
         tailscale.com/net/netaddr                                    from tailscale.com/ipn+
         tailscale.com/net/netcheck                                   from tailscale.com/cmd/tailscale/cli
         tailscale.com/net/neterror                                   from tailscale.com/net/netcheck+
         tailscale.com/net/netknob                                    from tailscale.com/net/netns
      💣 tailscale.com/net/netmon                                     from tailscale.com/cmd/tailscale/cli+
-        tailscale.com/net/netns                                      from tailscale.com/derp/derphttp+
+     💣 tailscale.com/net/netns                                      from tailscale.com/derp/derphttp+
         tailscale.com/net/netutil                                    from tailscale.com/client/tailscale+
         tailscale.com/net/packet                                     from tailscale.com/wgengine/capture
         tailscale.com/net/ping                                       from tailscale.com/net/netcheck
@@ -121,7 +128,7 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
         tailscale.com/tailcfg                                        from tailscale.com/client/tailscale+
         tailscale.com/tempfork/spf13/cobra                           from tailscale.com/cmd/tailscale/cli/ffcomplete+
         tailscale.com/tka                                            from tailscale.com/client/tailscale+
-   W    tailscale.com/tsconst                                        from tailscale.com/net/netmon
+   W    tailscale.com/tsconst                                        from tailscale.com/net/netmon+
         tailscale.com/tstime                                         from tailscale.com/control/controlhttp+
         tailscale.com/tstime/mono                                    from tailscale.com/tstime/rate
         tailscale.com/tstime/rate                                    from tailscale.com/cmd/tailscale/cli+

cmd/tailscaled/depaware.txt

@@ -90,11 +90,12 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
      💣 github.com/djherbis/times                                    from tailscale.com/drive/driveimpl
         github.com/fxamacker/cbor/v2                                 from tailscale.com/tka
         github.com/gaissmai/bart                                     from tailscale.com/net/tstun+
+        github.com/go-json-experiment/json                           from tailscale.com/types/opt
         github.com/go-json-experiment/json/internal                  from github.com/go-json-experiment/json/internal/jsonflags+
         github.com/go-json-experiment/json/internal/jsonflags        from github.com/go-json-experiment/json/internal/jsonopts+
-        github.com/go-json-experiment/json/internal/jsonopts         from github.com/go-json-experiment/json/jsontext
-        github.com/go-json-experiment/json/internal/jsonwire         from github.com/go-json-experiment/json/jsontext
-        github.com/go-json-experiment/json/jsontext                  from tailscale.com/logtail
+        github.com/go-json-experiment/json/internal/jsonopts         from github.com/go-json-experiment/json/jsontext+
+        github.com/go-json-experiment/json/internal/jsonwire         from github.com/go-json-experiment/json/jsontext+
+        github.com/go-json-experiment/json/jsontext                  from tailscale.com/logtail+
    W 💣 github.com/go-ole/go-ole                                     from github.com/go-ole/go-ole/oleutil+
    W 💣 github.com/go-ole/go-ole/oleutil                             from tailscale.com/wgengine/winnet
    L 💣 github.com/godbus/dbus/v5                                    from tailscale.com/net/dns+
@@ -211,7 +212,6 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         gvisor.dev/gvisor/pkg/tcpip/header                           from gvisor.dev/gvisor/pkg/tcpip/header/parse+
         gvisor.dev/gvisor/pkg/tcpip/header/parse                     from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
         gvisor.dev/gvisor/pkg/tcpip/internal/tcp                     from gvisor.dev/gvisor/pkg/tcpip/stack+
-        gvisor.dev/gvisor/pkg/tcpip/link/channel                     from tailscale.com/wgengine/netstack
         gvisor.dev/gvisor/pkg/tcpip/network/hash                     from gvisor.dev/gvisor/pkg/tcpip/network/ipv4
         gvisor.dev/gvisor/pkg/tcpip/network/internal/fragmentation   from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
         gvisor.dev/gvisor/pkg/tcpip/network/internal/ip              from gvisor.dev/gvisor/pkg/tcpip/network/ipv4+
@@ -221,6 +221,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         gvisor.dev/gvisor/pkg/tcpip/ports                            from gvisor.dev/gvisor/pkg/tcpip/stack+
         gvisor.dev/gvisor/pkg/tcpip/seqnum                           from gvisor.dev/gvisor/pkg/tcpip/header+
      💣 gvisor.dev/gvisor/pkg/tcpip/stack                            from gvisor.dev/gvisor/pkg/tcpip/adapters/gonet+
+        gvisor.dev/gvisor/pkg/tcpip/stack/gro                        from tailscale.com/wgengine/netstack
         gvisor.dev/gvisor/pkg/tcpip/transport                        from gvisor.dev/gvisor/pkg/tcpip/transport/icmp+
         gvisor.dev/gvisor/pkg/tcpip/transport/icmp                   from tailscale.com/wgengine/netstack
         gvisor.dev/gvisor/pkg/tcpip/transport/internal/network       from gvisor.dev/gvisor/pkg/tcpip/transport/icmp+
@@ -287,6 +288,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/logtail/backoff                                from tailscale.com/cmd/tailscaled+
         tailscale.com/logtail/filch                                  from tailscale.com/log/sockstatlog+
         tailscale.com/metrics                                        from tailscale.com/derp+
+        tailscale.com/net/captivedetection                           from tailscale.com/ipn/ipnlocal+
         tailscale.com/net/connstats                                  from tailscale.com/net/tstun+
         tailscale.com/net/dns                                        from tailscale.com/cmd/tailscaled+
         tailscale.com/net/dns/publicdns                              from tailscale.com/net/dns+
@@ -303,7 +305,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/net/netkernelconf                              from tailscale.com/ipn/ipnlocal
         tailscale.com/net/netknob                                    from tailscale.com/logpolicy+
      💣 tailscale.com/net/netmon                                     from tailscale.com/cmd/tailscaled+
-        tailscale.com/net/netns                                      from tailscale.com/cmd/tailscaled+
+     💣 tailscale.com/net/netns                                      from tailscale.com/cmd/tailscaled+
    W 💣 tailscale.com/net/netstat                                    from tailscale.com/portlist
         tailscale.com/net/netutil                                    from tailscale.com/client/tailscale+
         tailscale.com/net/packet                                     from tailscale.com/net/connstats+
@@ -328,6 +330,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/posture                                        from tailscale.com/ipn/ipnlocal
         tailscale.com/proxymap                                       from tailscale.com/tsd+
      💣 tailscale.com/safesocket                                     from tailscale.com/client/tailscale+
+  LD    tailscale.com/sessionrecording                               from tailscale.com/ssh/tailssh
   LD 💣 tailscale.com/ssh/tailssh                                    from tailscale.com/cmd/tailscaled
         tailscale.com/syncs                                          from tailscale.com/cmd/tailscaled+
         tailscale.com/tailcfg                                        from tailscale.com/client/tailscale+
@@ -335,7 +338,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
   LD    tailscale.com/tempfork/gliderlabs/ssh                        from tailscale.com/ssh/tailssh
         tailscale.com/tempfork/heap                                  from tailscale.com/wgengine/magicsock
         tailscale.com/tka                                            from tailscale.com/client/tailscale+
-   W    tailscale.com/tsconst                                        from tailscale.com/net/netmon
+   W    tailscale.com/tsconst                                        from tailscale.com/net/netmon+
         tailscale.com/tsd                                            from tailscale.com/cmd/tailscaled+
         tailscale.com/tstime                                         from tailscale.com/control/controlclient+
         tailscale.com/tstime/mono                                    from tailscale.com/net/tstun+
@@ -401,6 +404,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/util/vizerror                                  from tailscale.com/tailcfg+
      💣 tailscale.com/util/winutil                                   from tailscale.com/clientupdate+
    W 💣 tailscale.com/util/winutil/authenticode                      from tailscale.com/clientupdate+
+   W 💣 tailscale.com/util/winutil/gp                                from tailscale.com/net/dns
    W    tailscale.com/util/winutil/policy                            from tailscale.com/ipn/ipnlocal
    W 💣 tailscale.com/util/winutil/winenv                            from tailscale.com/hostinfo+
         tailscale.com/util/zstdframe                                 from tailscale.com/control/controlclient+

cmd/tailscaled/tailscaled.go

@@ -394,7 +394,7 @@ func run() (err error) {
 	// Always clean up, even if we're going to run the server. This covers cases
 	// such as when a system was rebooted without shutting down, or tailscaled
 	// crashed, and would for example restore system DNS configuration.
-	dns.CleanUp(logf, netMon, args.tunname)
+	dns.CleanUp(logf, netMon, sys.HealthTracker(), args.tunname)
 	router.CleanUp(logf, netMon, args.tunname)
 	// If the cleanUp flag was passed, then exit.
 	if args.cleanUp {

cmd/viewer/tests/tests.go

@@ -7,9 +7,13 @@ package tests
 import (
 	"fmt"
 	"net/netip"
+
+	"golang.org/x/exp/constraints"
+	"tailscale.com/types/ptr"
+	"tailscale.com/types/views"
 )
 
-//go:generate go run tailscale.com/cmd/viewer --type=StructWithPtrs,StructWithoutPtrs,Map,StructWithSlices,OnlyGetClone,StructWithEmbedded --clone-only-type=OnlyGetClone
+//go:generate go run tailscale.com/cmd/viewer --type=StructWithPtrs,StructWithoutPtrs,Map,StructWithSlices,OnlyGetClone,StructWithEmbedded,GenericIntStruct,GenericNoPtrsStruct,GenericCloneableStruct,StructWithContainers --clone-only-type=OnlyGetClone
 
 type StructWithoutPtrs struct {
 	Int int
@@ -25,12 +29,12 @@ type Map struct {
 	SlicesWithPtrs      map[string][]*StructWithPtrs
 	SlicesWithoutPtrs   map[string][]*StructWithoutPtrs
 	StructWithoutPtrKey map[StructWithoutPtrs]int `json:"-"`
+	StructWithPtr       map[string]StructWithPtrs
 
 	// Unsupported views.
 	SliceIntPtr      map[string][]*int
 	PointerKey       map[*string]int        `json:"-"`
 	StructWithPtrKey map[StructWithPtrs]int `json:"-"`
-	StructWithPtr    map[string]StructWithPtrs
 }
 
 type StructWithPtrs struct {
@@ -50,12 +54,14 @@ type StructWithSlices struct {
 	Values         []StructWithoutPtrs
 	ValuePointers  []*StructWithoutPtrs
 	StructPointers []*StructWithPtrs
-	Structs        []StructWithPtrs
-	Ints           []*int
 
 	Slice    []string
 	Prefixes []netip.Prefix
 	Data     []byte
+
+	// Unsupported views.
+	Structs []StructWithPtrs
+	Ints    []*int
 }
 
 type OnlyGetClone struct {
@@ -66,3 +72,93 @@ type StructWithEmbedded struct {
 	A *StructWithPtrs
 	StructWithSlices
 }
+
+type GenericIntStruct[T constraints.Integer] struct {
+	Value   T
+	Pointer *T
+	Slice   []T
+	Map     map[string]T
+
+	// Unsupported views.
+	PtrSlice    []*T
+	PtrKeyMap   map[*T]string `json:"-"`
+	PtrValueMap map[string]*T
+	SliceMap    map[string][]T
+}
+
+type BasicType interface {
+	~bool | constraints.Integer | constraints.Float | constraints.Complex | ~string
+}
+
+type GenericNoPtrsStruct[T StructWithoutPtrs | netip.Prefix | BasicType] struct {
+	Value   T
+	Pointer *T
+	Slice   []T
+	Map     map[string]T
+
+	// Unsupported views.
+	PtrSlice    []*T
+	PtrKeyMap   map[*T]string `json:"-"`
+	PtrValueMap map[string]*T
+	SliceMap    map[string][]T
+}
+
+type GenericCloneableStruct[T views.ViewCloner[T, V], V views.StructView[T]] struct {
+	Value T
+	Slice []T
+	Map   map[string]T
+
+	// Unsupported views.
+	Pointer     *T
+	PtrSlice    []*T
+	PtrKeyMap   map[*T]string `json:"-"`
+	PtrValueMap map[string]*T
+	SliceMap    map[string][]T
+}
+
+// Container is a pre-defined container type, such as a collection, an optional
+// value or a generic wrapper.
+type Container[T any] struct {
+	Item T
+}
+
+func (c *Container[T]) Clone() *Container[T] {
+	if c == nil {
+		return nil
+	}
+	if cloner, ok := any(c.Item).(views.Cloner[T]); ok {
+		return &Container[T]{cloner.Clone()}
+	}
+	if !views.ContainsPointers[T]() {
+		return ptr.To(*c)
+	}
+	panic(fmt.Errorf("%T contains pointers, but is not cloneable", c.Item))
+}
+
+// ContainerView is a pre-defined readonly view of a Container[T].
+type ContainerView[T views.ViewCloner[T, V], V views.StructView[T]] struct {
+	// ж is the underlying mutable value, named with a hard-to-type
+	// character that looks pointy like a pointer.
+	// It is named distinctively to make you think of how dangerous it is to escape
+	// to callers. You must not let callers be able to mutate it.
+	ж *Container[T]
+}
+
+func (cv ContainerView[T, V]) Item() V {
+	return cv.ж.Item.View()
+}
+
+func ContainerViewOf[T views.ViewCloner[T, V], V views.StructView[T]](c *Container[T]) ContainerView[T, V] {
+	return ContainerView[T, V]{c}
+}
+
+type GenericBasicStruct[T BasicType] struct {
+	Value T
+}
+
+type StructWithContainers struct {
+	IntContainer             Container[int]
+	CloneableContainer       Container[*StructWithPtrs]
+	BasicGenericContainer    Container[GenericBasicStruct[int]]
+	ClonableGenericContainer Container[*GenericNoPtrsStruct[int]]
+}

cmd/viewer/tests/tests_clone.go

@@ -9,7 +9,9 @@ import (
 	"maps"
 	"net/netip"
 
+	"golang.org/x/exp/constraints"
 	"tailscale.com/types/ptr"
+	"tailscale.com/types/views"
 )
 
 // Clone makes a deep copy of StructWithPtrs.
@@ -71,13 +73,21 @@ func (src *Map) Clone() *Map {
 	if dst.StructPtrWithPtr != nil {
 		dst.StructPtrWithPtr = map[string]*StructWithPtrs{}
 		for k, v := range src.StructPtrWithPtr {
-			dst.StructPtrWithPtr[k] = v.Clone()
+			if v == nil {
+				dst.StructPtrWithPtr[k] = nil
+			} else {
+				dst.StructPtrWithPtr[k] = v.Clone()
+			}
 		}
 	}
 	if dst.StructPtrWithoutPtr != nil {
 		dst.StructPtrWithoutPtr = map[string]*StructWithoutPtrs{}
 		for k, v := range src.StructPtrWithoutPtr {
-			dst.StructPtrWithoutPtr[k] = v.Clone()
+			if v == nil {
+				dst.StructPtrWithoutPtr[k] = nil
+			} else {
+				dst.StructPtrWithoutPtr[k] = ptr.To(*v)
+			}
 		}
 	}
 	dst.StructWithoutPtr = maps.Clone(src.StructWithoutPtr)
@@ -94,6 +104,12 @@ func (src *Map) Clone() *Map {
 		}
 	}
 	dst.StructWithoutPtrKey = maps.Clone(src.StructWithoutPtrKey)
+	if dst.StructWithPtr != nil {
+		dst.StructWithPtr = map[string]StructWithPtrs{}
+		for k, v := range src.StructWithPtr {
+			dst.StructWithPtr[k] = *(v.Clone())
+		}
+	}
 	if dst.SliceIntPtr != nil {
 		dst.SliceIntPtr = map[string][]*int{}
 		for k := range src.SliceIntPtr {
@@ -102,12 +118,6 @@ func (src *Map) Clone() *Map {
 	}
 	dst.PointerKey = maps.Clone(src.PointerKey)
 	dst.StructWithPtrKey = maps.Clone(src.StructWithPtrKey)
-	if dst.StructWithPtr != nil {
-		dst.StructWithPtr = map[string]StructWithPtrs{}
-		for k, v := range src.StructWithPtr {
-			dst.StructWithPtr[k] = *(v.Clone())
-		}
-	}
 	return dst
 }
 
@@ -121,10 +131,10 @@ var _MapCloneNeedsRegeneration = Map(struct {
 	SlicesWithPtrs      map[string][]*StructWithPtrs
 	SlicesWithoutPtrs   map[string][]*StructWithoutPtrs
 	StructWithoutPtrKey map[StructWithoutPtrs]int
+	StructWithPtr       map[string]StructWithPtrs
 	SliceIntPtr         map[string][]*int
 	PointerKey          map[*string]int
 	StructWithPtrKey    map[StructWithPtrs]int
-	StructWithPtr       map[string]StructWithPtrs
 }{})
 
 // Clone makes a deep copy of StructWithSlices.
@@ -139,15 +149,26 @@ func (src *StructWithSlices) Clone() *StructWithSlices {
 	if src.ValuePointers != nil {
 		dst.ValuePointers = make([]*StructWithoutPtrs, len(src.ValuePointers))
 		for i := range dst.ValuePointers {
-			dst.ValuePointers[i] = src.ValuePointers[i].Clone()
+			if src.ValuePointers[i] == nil {
+				dst.ValuePointers[i] = nil
+			} else {
+				dst.ValuePointers[i] = ptr.To(*src.ValuePointers[i])
+			}
 		}
 	}
 	if src.StructPointers != nil {
 		dst.StructPointers = make([]*StructWithPtrs, len(src.StructPointers))
 		for i := range dst.StructPointers {
-			dst.StructPointers[i] = src.StructPointers[i].Clone()
+			if src.StructPointers[i] == nil {
+				dst.StructPointers[i] = nil
+			} else {
+				dst.StructPointers[i] = src.StructPointers[i].Clone()
+			}
 		}
 	}
+	dst.Slice = append(src.Slice[:0:0], src.Slice...)
+	dst.Prefixes = append(src.Prefixes[:0:0], src.Prefixes...)
+	dst.Data = append(src.Data[:0:0], src.Data...)
 	if src.Structs != nil {
 		dst.Structs = make([]StructWithPtrs, len(src.Structs))
 		for i := range dst.Structs {
@@ -164,9 +185,6 @@ func (src *StructWithSlices) Clone() *StructWithSlices {
 			}
 		}
 	}
-	dst.Slice = append(src.Slice[:0:0], src.Slice...)
-	dst.Prefixes = append(src.Prefixes[:0:0], src.Prefixes...)
-	dst.Data = append(src.Data[:0:0], src.Data...)
 	return dst
 }
 
@@ -175,11 +193,11 @@ var _StructWithSlicesCloneNeedsRegeneration = StructWithSlices(struct {
 	Values         []StructWithoutPtrs
 	ValuePointers  []*StructWithoutPtrs
 	StructPointers []*StructWithPtrs
-	Structs        []StructWithPtrs
-	Ints           []*int
 	Slice          []string
 	Prefixes       []netip.Prefix
 	Data           []byte
+	Structs        []StructWithPtrs
+	Ints           []*int
 }{})
 
 // Clone makes a deep copy of OnlyGetClone.
@@ -216,3 +234,206 @@ var _StructWithEmbeddedCloneNeedsRegeneration = StructWithEmbedded(struct {
 	A *StructWithPtrs
 	StructWithSlices
 }{})
+
+// Clone makes a deep copy of GenericIntStruct.
+// The result aliases no memory with the original.
+func (src *GenericIntStruct[T]) Clone() *GenericIntStruct[T] {
+	if src == nil {
+		return nil
+	}
+	dst := new(GenericIntStruct[T])
+	*dst = *src
+	if dst.Pointer != nil {
+		dst.Pointer = ptr.To(*src.Pointer)
+	}
+	dst.Slice = append(src.Slice[:0:0], src.Slice...)
+	dst.Map = maps.Clone(src.Map)
+	if src.PtrSlice != nil {
+		dst.PtrSlice = make([]*T, len(src.PtrSlice))
+		for i := range dst.PtrSlice {
+			if src.PtrSlice[i] == nil {
+				dst.PtrSlice[i] = nil
+			} else {
+				dst.PtrSlice[i] = ptr.To(*src.PtrSlice[i])
+			}
+		}
+	}
+	dst.PtrKeyMap = maps.Clone(src.PtrKeyMap)
+	if dst.PtrValueMap != nil {
+		dst.PtrValueMap = map[string]*T{}
+		for k, v := range src.PtrValueMap {
+			if v == nil {
+				dst.PtrValueMap[k] = nil
+			} else {
+				dst.PtrValueMap[k] = ptr.To(*v)
+			}
+		}
+	}
+	if dst.SliceMap != nil {
+		dst.SliceMap = map[string][]T{}
+		for k := range src.SliceMap {
+			dst.SliceMap[k] = append([]T{}, src.SliceMap[k]...)
+		}
+	}
+	return dst
+}
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+func _GenericIntStructCloneNeedsRegeneration[T constraints.Integer](GenericIntStruct[T]) {
+	_GenericIntStructCloneNeedsRegeneration(struct {
+		Value       T
+		Pointer     *T
+		Slice       []T
+		Map         map[string]T
+		PtrSlice    []*T
+		PtrKeyMap   map[*T]string `json:"-"`
+		PtrValueMap map[string]*T
+		SliceMap    map[string][]T
+	}{})
+}
+
+// Clone makes a deep copy of GenericNoPtrsStruct.
+// The result aliases no memory with the original.
+func (src *GenericNoPtrsStruct[T]) Clone() *GenericNoPtrsStruct[T] {
+	if src == nil {
+		return nil
+	}
+	dst := new(GenericNoPtrsStruct[T])
+	*dst = *src
+	if dst.Pointer != nil {
+		dst.Pointer = ptr.To(*src.Pointer)
+	}
+	dst.Slice = append(src.Slice[:0:0], src.Slice...)
+	dst.Map = maps.Clone(src.Map)
+	if src.PtrSlice != nil {
+		dst.PtrSlice = make([]*T, len(src.PtrSlice))
+		for i := range dst.PtrSlice {
+			if src.PtrSlice[i] == nil {
+				dst.PtrSlice[i] = nil
+			} else {
+				dst.PtrSlice[i] = ptr.To(*src.PtrSlice[i])
+			}
+		}
+	}
+	dst.PtrKeyMap = maps.Clone(src.PtrKeyMap)
+	if dst.PtrValueMap != nil {
+		dst.PtrValueMap = map[string]*T{}
+		for k, v := range src.PtrValueMap {
+			if v == nil {
+				dst.PtrValueMap[k] = nil
+			} else {
+				dst.PtrValueMap[k] = ptr.To(*v)
+			}
+		}
+	}
+	if dst.SliceMap != nil {
+		dst.SliceMap = map[string][]T{}
+		for k := range src.SliceMap {
+			dst.SliceMap[k] = append([]T{}, src.SliceMap[k]...)
+		}
+	}
+	return dst
+}
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+func _GenericNoPtrsStructCloneNeedsRegeneration[T StructWithoutPtrs | netip.Prefix | BasicType](GenericNoPtrsStruct[T]) {
+	_GenericNoPtrsStructCloneNeedsRegeneration(struct {
+		Value       T
+		Pointer     *T
+		Slice       []T
+		Map         map[string]T
+		PtrSlice    []*T
+		PtrKeyMap   map[*T]string `json:"-"`
+		PtrValueMap map[string]*T
+		SliceMap    map[string][]T
+	}{})
+}
+
+// Clone makes a deep copy of GenericCloneableStruct.
+// The result aliases no memory with the original.
+func (src *GenericCloneableStruct[T, V]) Clone() *GenericCloneableStruct[T, V] {
+	if src == nil {
+		return nil
+	}
+	dst := new(GenericCloneableStruct[T, V])
+	*dst = *src
+	dst.Value = src.Value.Clone()
+	if src.Slice != nil {
+		dst.Slice = make([]T, len(src.Slice))
+		for i := range dst.Slice {
+			dst.Slice[i] = src.Slice[i].Clone()
+		}
+	}
+	if dst.Map != nil {
+		dst.Map = map[string]T{}
+		for k, v := range src.Map {
+			dst.Map[k] = v.Clone()
+		}
+	}
+	if dst.Pointer != nil {
+		dst.Pointer = ptr.To((*src.Pointer).Clone())
+	}
+	if src.PtrSlice != nil {
+		dst.PtrSlice = make([]*T, len(src.PtrSlice))
+		for i := range dst.PtrSlice {
+			if src.PtrSlice[i] == nil {
+				dst.PtrSlice[i] = nil
+			} else {
+				dst.PtrSlice[i] = ptr.To((*src.PtrSlice[i]).Clone())
+			}
+		}
+	}
+	dst.PtrKeyMap = maps.Clone(src.PtrKeyMap)
+	if dst.PtrValueMap != nil {
+		dst.PtrValueMap = map[string]*T{}
+		for k, v := range src.PtrValueMap {
+			if v == nil {
+				dst.PtrValueMap[k] = nil
+			} else {
+				dst.PtrValueMap[k] = ptr.To((*v).Clone())
+			}
+		}
+	}
+	if dst.SliceMap != nil {
+		dst.SliceMap = map[string][]T{}
+		for k := range src.SliceMap {
+			dst.SliceMap[k] = append([]T{}, src.SliceMap[k]...)
+		}
+	}
+	return dst
+}
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+func _GenericCloneableStructCloneNeedsRegeneration[T views.ViewCloner[T, V], V views.StructView[T]](GenericCloneableStruct[T, V]) {
+	_GenericCloneableStructCloneNeedsRegeneration(struct {
+		Value       T
+		Slice       []T
+		Map         map[string]T
+		Pointer     *T
+		PtrSlice    []*T
+		PtrKeyMap   map[*T]string `json:"-"`
+		PtrValueMap map[string]*T
+		SliceMap    map[string][]T
+	}{})
+}
+
+// Clone makes a deep copy of StructWithContainers.
+// The result aliases no memory with the original.
+func (src *StructWithContainers) Clone() *StructWithContainers {
+	if src == nil {
+		return nil
+	}
+	dst := new(StructWithContainers)
+	*dst = *src
+	dst.CloneableContainer = *src.CloneableContainer.Clone()
+	dst.ClonableGenericContainer = *src.ClonableGenericContainer.Clone()
+	return dst
+}
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+var _StructWithContainersCloneNeedsRegeneration = StructWithContainers(struct {
+	IntContainer             Container[int]
+	CloneableContainer       Container[*StructWithPtrs]
+	BasicGenericContainer    Container[GenericBasicStruct[int]]
+	ClonableGenericContainer Container[*GenericNoPtrsStruct[int]]
+}{})

cmd/viewer/tests/tests_view.go

@@ -10,10 +10,11 @@ import (
 	"errors"
 	"net/netip"
 
+	"golang.org/x/exp/constraints"
 	"tailscale.com/types/views"
 )
 
-//go:generate go run tailscale.com/cmd/cloner  -clonefunc=false -type=StructWithPtrs,StructWithoutPtrs,Map,StructWithSlices,OnlyGetClone,StructWithEmbedded
+//go:generate go run tailscale.com/cmd/cloner  -clonefunc=false -type=StructWithPtrs,StructWithoutPtrs,Map,StructWithSlices,OnlyGetClone,StructWithEmbedded,GenericIntStruct,GenericNoPtrsStruct,GenericCloneableStruct,StructWithContainers
 
 // View returns a readonly view of StructWithPtrs.
 func (p *StructWithPtrs) View() StructWithPtrsView {
@@ -221,15 +222,15 @@ func (v MapView) SlicesWithoutPtrs() views.MapFn[string, []*StructWithoutPtrs, v
 func (v MapView) StructWithoutPtrKey() views.Map[StructWithoutPtrs, int] {
 	return views.MapOf(v.ж.StructWithoutPtrKey)
 }
-func (v MapView) SliceIntPtr() map[string][]*int           { panic("unsupported") }
-func (v MapView) PointerKey() map[*string]int              { panic("unsupported") }
-func (v MapView) StructWithPtrKey() map[StructWithPtrs]int { panic("unsupported") }
 
 func (v MapView) StructWithPtr() views.MapFn[string, StructWithPtrs, StructWithPtrsView] {
 	return views.MapFnOf(v.ж.StructWithPtr, func(t StructWithPtrs) StructWithPtrsView {
 		return t.View()
 	})
 }
+func (v MapView) SliceIntPtr() map[string][]*int           { panic("unsupported") }
+func (v MapView) PointerKey() map[*string]int              { panic("unsupported") }
+func (v MapView) StructWithPtrKey() map[StructWithPtrs]int { panic("unsupported") }
 
 // A compilation failure here means this code must be regenerated, with the command at the top of this file.
 var _MapViewNeedsRegeneration = Map(struct {
@@ -241,10 +242,10 @@ var _MapViewNeedsRegeneration = Map(struct {
 	SlicesWithPtrs      map[string][]*StructWithPtrs
 	SlicesWithoutPtrs   map[string][]*StructWithoutPtrs
 	StructWithoutPtrKey map[StructWithoutPtrs]int
+	StructWithPtr       map[string]StructWithPtrs
 	SliceIntPtr         map[string][]*int
 	PointerKey          map[*string]int
 	StructWithPtrKey    map[StructWithPtrs]int
-	StructWithPtr       map[string]StructWithPtrs
 }{})
 
 // View returns a readonly view of StructWithSlices.
@@ -301,24 +302,24 @@ func (v StructWithSlicesView) ValuePointers() views.SliceView[*StructWithoutPtrs
 func (v StructWithSlicesView) StructPointers() views.SliceView[*StructWithPtrs, StructWithPtrsView] {
 	return views.SliceOfViews[*StructWithPtrs, StructWithPtrsView](v.ж.StructPointers)
 }
-func (v StructWithSlicesView) Structs() StructWithPtrs    { panic("unsupported") }
-func (v StructWithSlicesView) Ints() *int                 { panic("unsupported") }
 func (v StructWithSlicesView) Slice() views.Slice[string] { return views.SliceOf(v.ж.Slice) }
 func (v StructWithSlicesView) Prefixes() views.Slice[netip.Prefix] {
 	return views.SliceOf(v.ж.Prefixes)
 }
 func (v StructWithSlicesView) Data() views.ByteSlice[[]byte] { return views.ByteSliceOf(v.ж.Data) }
+func (v StructWithSlicesView) Structs() StructWithPtrs       { panic("unsupported") }
+func (v StructWithSlicesView) Ints() *int                    { panic("unsupported") }
 
 // A compilation failure here means this code must be regenerated, with the command at the top of this file.
 var _StructWithSlicesViewNeedsRegeneration = StructWithSlices(struct {
 	Values         []StructWithoutPtrs
 	ValuePointers  []*StructWithoutPtrs
 	StructPointers []*StructWithPtrs
-	Structs        []StructWithPtrs
-	Ints           []*int
 	Slice          []string
 	Prefixes       []netip.Prefix
 	Data           []byte
+	Structs        []StructWithPtrs
+	Ints           []*int
 }{})
 
 // View returns a readonly view of StructWithEmbedded.
@@ -376,3 +377,294 @@ var _StructWithEmbeddedViewNeedsRegeneration = StructWithEmbedded(struct {
 	A *StructWithPtrs
 	StructWithSlices
 }{})
+
+// View returns a readonly view of GenericIntStruct.
+func (p *GenericIntStruct[T]) View() GenericIntStructView[T] {
+	return GenericIntStructView[T]{ж: p}
+}
+
+// GenericIntStructView[T] provides a read-only view over GenericIntStruct[T].
+//
+// Its methods should only be called if `Valid()` returns true.
+type GenericIntStructView[T constraints.Integer] struct {
+	// ж is the underlying mutable value, named with a hard-to-type
+	// character that looks pointy like a pointer.
+	// It is named distinctively to make you think of how dangerous it is to escape
+	// to callers. You must not let callers be able to mutate it.
+	ж *GenericIntStruct[T]
+}
+
+// Valid reports whether underlying value is non-nil.
+func (v GenericIntStructView[T]) Valid() bool { return v.ж != nil }
+
+// AsStruct returns a clone of the underlying value which aliases no memory with
+// the original.
+func (v GenericIntStructView[T]) AsStruct() *GenericIntStruct[T] {
+	if v.ж == nil {
+		return nil
+	}
+	return v.ж.Clone()
+}
+
+func (v GenericIntStructView[T]) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
+
+func (v *GenericIntStructView[T]) UnmarshalJSON(b []byte) error {
+	if v.ж != nil {
+		return errors.New("already initialized")
+	}
+	if len(b) == 0 {
+		return nil
+	}
+	var x GenericIntStruct[T]
+	if err := json.Unmarshal(b, &x); err != nil {
+		return err
+	}
+	v.ж = &x
+	return nil
+}
+
+func (v GenericIntStructView[T]) Value() T { return v.ж.Value }
+func (v GenericIntStructView[T]) Pointer() *T {
+	if v.ж.Pointer == nil {
+		return nil
+	}
+	x := *v.ж.Pointer
+	return &x
+}
+
+func (v GenericIntStructView[T]) Slice() views.Slice[T] { return views.SliceOf(v.ж.Slice) }
+
+func (v GenericIntStructView[T]) Map() views.Map[string, T]  { return views.MapOf(v.ж.Map) }
+func (v GenericIntStructView[T]) PtrSlice() *T               { panic("unsupported") }
+func (v GenericIntStructView[T]) PtrKeyMap() map[*T]string   { panic("unsupported") }
+func (v GenericIntStructView[T]) PtrValueMap() map[string]*T { panic("unsupported") }
+func (v GenericIntStructView[T]) SliceMap() map[string][]T   { panic("unsupported") }
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+func _GenericIntStructViewNeedsRegeneration[T constraints.Integer](GenericIntStruct[T]) {
+	_GenericIntStructViewNeedsRegeneration(struct {
+		Value       T
+		Pointer     *T
+		Slice       []T
+		Map         map[string]T
+		PtrSlice    []*T
+		PtrKeyMap   map[*T]string `json:"-"`
+		PtrValueMap map[string]*T
+		SliceMap    map[string][]T
+	}{})
+}
+
+// View returns a readonly view of GenericNoPtrsStruct.
+func (p *GenericNoPtrsStruct[T]) View() GenericNoPtrsStructView[T] {
+	return GenericNoPtrsStructView[T]{ж: p}
+}
+
+// GenericNoPtrsStructView[T] provides a read-only view over GenericNoPtrsStruct[T].
+//
+// Its methods should only be called if `Valid()` returns true.
+type GenericNoPtrsStructView[T StructWithoutPtrs | netip.Prefix | BasicType] struct {
+	// ж is the underlying mutable value, named with a hard-to-type
+	// character that looks pointy like a pointer.
+	// It is named distinctively to make you think of how dangerous it is to escape
+	// to callers. You must not let callers be able to mutate it.
+	ж *GenericNoPtrsStruct[T]
+}
+
+// Valid reports whether underlying value is non-nil.
+func (v GenericNoPtrsStructView[T]) Valid() bool { return v.ж != nil }
+
+// AsStruct returns a clone of the underlying value which aliases no memory with
+// the original.
+func (v GenericNoPtrsStructView[T]) AsStruct() *GenericNoPtrsStruct[T] {
+	if v.ж == nil {
+		return nil
+	}
+	return v.ж.Clone()
+}
+
+func (v GenericNoPtrsStructView[T]) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
+
+func (v *GenericNoPtrsStructView[T]) UnmarshalJSON(b []byte) error {
+	if v.ж != nil {
+		return errors.New("already initialized")
+	}
+	if len(b) == 0 {
+		return nil
+	}
+	var x GenericNoPtrsStruct[T]
+	if err := json.Unmarshal(b, &x); err != nil {
+		return err
+	}
+	v.ж = &x
+	return nil
+}
+
+func (v GenericNoPtrsStructView[T]) Value() T { return v.ж.Value }
+func (v GenericNoPtrsStructView[T]) Pointer() *T {
+	if v.ж.Pointer == nil {
+		return nil
+	}
+	x := *v.ж.Pointer
+	return &x
+}
+
+func (v GenericNoPtrsStructView[T]) Slice() views.Slice[T] { return views.SliceOf(v.ж.Slice) }
+
+func (v GenericNoPtrsStructView[T]) Map() views.Map[string, T]  { return views.MapOf(v.ж.Map) }
+func (v GenericNoPtrsStructView[T]) PtrSlice() *T               { panic("unsupported") }
+func (v GenericNoPtrsStructView[T]) PtrKeyMap() map[*T]string   { panic("unsupported") }
+func (v GenericNoPtrsStructView[T]) PtrValueMap() map[string]*T { panic("unsupported") }
+func (v GenericNoPtrsStructView[T]) SliceMap() map[string][]T   { panic("unsupported") }
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+func _GenericNoPtrsStructViewNeedsRegeneration[T StructWithoutPtrs | netip.Prefix | BasicType](GenericNoPtrsStruct[T]) {
+	_GenericNoPtrsStructViewNeedsRegeneration(struct {
+		Value       T
+		Pointer     *T
+		Slice       []T
+		Map         map[string]T
+		PtrSlice    []*T
+		PtrKeyMap   map[*T]string `json:"-"`
+		PtrValueMap map[string]*T
+		SliceMap    map[string][]T
+	}{})
+}
+
+// View returns a readonly view of GenericCloneableStruct.
+func (p *GenericCloneableStruct[T, V]) View() GenericCloneableStructView[T, V] {
+	return GenericCloneableStructView[T, V]{ж: p}
+}
+
+// GenericCloneableStructView[T, V] provides a read-only view over GenericCloneableStruct[T, V].
+//
+// Its methods should only be called if `Valid()` returns true.
+type GenericCloneableStructView[T views.ViewCloner[T, V], V views.StructView[T]] struct {
+	// ж is the underlying mutable value, named with a hard-to-type
+	// character that looks pointy like a pointer.
+	// It is named distinctively to make you think of how dangerous it is to escape
+	// to callers. You must not let callers be able to mutate it.
+	ж *GenericCloneableStruct[T, V]
+}
+
+// Valid reports whether underlying value is non-nil.
+func (v GenericCloneableStructView[T, V]) Valid() bool { return v.ж != nil }
+
+// AsStruct returns a clone of the underlying value which aliases no memory with
+// the original.
+func (v GenericCloneableStructView[T, V]) AsStruct() *GenericCloneableStruct[T, V] {
+	if v.ж == nil {
+		return nil
+	}
+	return v.ж.Clone()
+}
+
+func (v GenericCloneableStructView[T, V]) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
+
+func (v *GenericCloneableStructView[T, V]) UnmarshalJSON(b []byte) error {
+	if v.ж != nil {
+		return errors.New("already initialized")
+	}
+	if len(b) == 0 {
+		return nil
+	}
+	var x GenericCloneableStruct[T, V]
+	if err := json.Unmarshal(b, &x); err != nil {
+		return err
+	}
+	v.ж = &x
+	return nil
+}
+
+func (v GenericCloneableStructView[T, V]) Value() V { return v.ж.Value.View() }
+func (v GenericCloneableStructView[T, V]) Slice() views.SliceView[T, V] {
+	return views.SliceOfViews[T, V](v.ж.Slice)
+}
+
+func (v GenericCloneableStructView[T, V]) Map() views.MapFn[string, T, V] {
+	return views.MapFnOf(v.ж.Map, func(t T) V {
+		return t.View()
+	})
+}
+func (v GenericCloneableStructView[T, V]) Pointer() map[string]T      { panic("unsupported") }
+func (v GenericCloneableStructView[T, V]) PtrSlice() *T               { panic("unsupported") }
+func (v GenericCloneableStructView[T, V]) PtrKeyMap() map[*T]string   { panic("unsupported") }
+func (v GenericCloneableStructView[T, V]) PtrValueMap() map[string]*T { panic("unsupported") }
+func (v GenericCloneableStructView[T, V]) SliceMap() map[string][]T   { panic("unsupported") }
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+func _GenericCloneableStructViewNeedsRegeneration[T views.ViewCloner[T, V], V views.StructView[T]](GenericCloneableStruct[T, V]) {
+	_GenericCloneableStructViewNeedsRegeneration(struct {
+		Value       T
+		Slice       []T
+		Map         map[string]T
+		Pointer     *T
+		PtrSlice    []*T
+		PtrKeyMap   map[*T]string `json:"-"`
+		PtrValueMap map[string]*T
+		SliceMap    map[string][]T
+	}{})
+}
+
+// View returns a readonly view of StructWithContainers.
+func (p *StructWithContainers) View() StructWithContainersView {
+	return StructWithContainersView{ж: p}
+}
+
+// StructWithContainersView provides a read-only view over StructWithContainers.
+//
+// Its methods should only be called if `Valid()` returns true.
+type StructWithContainersView struct {
+	// ж is the underlying mutable value, named with a hard-to-type
+	// character that looks pointy like a pointer.
+	// It is named distinctively to make you think of how dangerous it is to escape
+	// to callers. You must not let callers be able to mutate it.
+	ж *StructWithContainers
+}
+
+// Valid reports whether underlying value is non-nil.
+func (v StructWithContainersView) Valid() bool { return v.ж != nil }
+
+// AsStruct returns a clone of the underlying value which aliases no memory with
+// the original.
+func (v StructWithContainersView) AsStruct() *StructWithContainers {
+	if v.ж == nil {
+		return nil
+	}
+	return v.ж.Clone()
+}
+
+func (v StructWithContainersView) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
+
+func (v *StructWithContainersView) UnmarshalJSON(b []byte) error {
+	if v.ж != nil {
+		return errors.New("already initialized")
+	}
+	if len(b) == 0 {
+		return nil
+	}
+	var x StructWithContainers
+	if err := json.Unmarshal(b, &x); err != nil {
+		return err
+	}
+	v.ж = &x
+	return nil
+}
+
+func (v StructWithContainersView) IntContainer() Container[int] { return v.ж.IntContainer }
+func (v StructWithContainersView) CloneableContainer() ContainerView[*StructWithPtrs, StructWithPtrsView] {
+	return ContainerViewOf(&v.ж.CloneableContainer)
+}
+func (v StructWithContainersView) BasicGenericContainer() Container[GenericBasicStruct[int]] {
+	return v.ж.BasicGenericContainer
+}
+func (v StructWithContainersView) ClonableGenericContainer() ContainerView[*GenericNoPtrsStruct[int], GenericNoPtrsStructView[int]] {
+	return ContainerViewOf(&v.ж.ClonableGenericContainer)
+}
+
+// A compilation failure here means this code must be regenerated, with the command at the top of this file.
+var _StructWithContainersViewNeedsRegeneration = StructWithContainers(struct {
+	IntContainer             Container[int]
+	CloneableContainer       Container[*StructWithPtrs]
+	BasicGenericContainer    Container[GenericBasicStruct[int]]
+	ClonableGenericContainer Container[*GenericNoPtrsStruct[int]]
+}{})

cmd/viewer/viewer.go

@@ -13,50 +13,52 @@ import (
 	"html/template"
 	"log"
 	"os"
+	"slices"
 	"strings"
 
 	"tailscale.com/util/codegen"
+	"tailscale.com/util/must"
 )
 
 const viewTemplateStr = `{{define "common"}}
 // View returns a readonly view of {{.StructName}}.
-func (p *{{.StructName}}) View() {{.ViewName}} {
-	return {{.ViewName}}{ж: p}
+func (p *{{.StructName}}{{.TypeParamNames}}) View() {{.ViewName}}{{.TypeParamNames}} {
+	return {{.ViewName}}{{.TypeParamNames}}{ж: p}
 }
 
-// {{.ViewName}} provides a read-only view over {{.StructName}}.
+// {{.ViewName}}{{.TypeParamNames}} provides a read-only view over {{.StructName}}{{.TypeParamNames}}.
 //
 // Its methods should only be called if ` + "`Valid()`" + ` returns true.
-type {{.ViewName}} struct {
+type {{.ViewName}}{{.TypeParams}} struct {
 	// ж is the underlying mutable value, named with a hard-to-type
 	// character that looks pointy like a pointer.
 	// It is named distinctively to make you think of how dangerous it is to escape
 	// to callers. You must not let callers be able to mutate it.
-	ж *{{.StructName}}
+	ж *{{.StructName}}{{.TypeParamNames}}
 }
 
 // Valid reports whether underlying value is non-nil.
-func (v {{.ViewName}}) Valid() bool { return v.ж != nil }
+func (v {{.ViewName}}{{.TypeParamNames}}) Valid() bool { return v.ж != nil }
 
 // AsStruct returns a clone of the underlying value which aliases no memory with
 // the original.
-func (v {{.ViewName}}) AsStruct() *{{.StructName}}{ 
+func (v {{.ViewName}}{{.TypeParamNames}}) AsStruct() *{{.StructName}}{{.TypeParamNames}}{ 
 	if v.ж == nil {
 		return nil
 	}
 	return v.ж.Clone()
 }
 
-func (v {{.ViewName}}) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
+func (v {{.ViewName}}{{.TypeParamNames}}) MarshalJSON() ([]byte, error) { return json.Marshal(v.ж) }
 
-func (v *{{.ViewName}}) UnmarshalJSON(b []byte) error {
+func (v *{{.ViewName}}{{.TypeParamNames}}) UnmarshalJSON(b []byte) error {
 	if v.ж != nil {
 		return errors.New("already initialized")
 	}
 	if len(b) == 0 {
 		return nil
 	}
-	var x {{.StructName}}
+	var x {{.StructName}}{{.TypeParamNames}}
 	if err := json.Unmarshal(b, &x); err != nil {
 		return err
 	}
@@ -65,17 +67,19 @@ func (v *{{.ViewName}}) UnmarshalJSON(b []byte) error {
 }
 
 {{end}}
-{{define "valueField"}}func (v {{.ViewName}}) {{.FieldName}}() {{.FieldType}} { return v.ж.{{.FieldName}} }
+{{define "valueField"}}func (v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() {{.FieldType}} { return v.ж.{{.FieldName}} }
 {{end}}
-{{define "byteSliceField"}}func (v {{.ViewName}}) {{.FieldName}}() views.ByteSlice[{{.FieldType}}] { return views.ByteSliceOf(v.ж.{{.FieldName}}) }
+{{define "byteSliceField"}}func (v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() views.ByteSlice[{{.FieldType}}] { return views.ByteSliceOf(v.ж.{{.FieldName}}) }
 {{end}}
-{{define "sliceField"}}func (v {{.ViewName}}) {{.FieldName}}() views.Slice[{{.FieldType}}] { return views.SliceOf(v.ж.{{.FieldName}}) }
+{{define "sliceField"}}func (v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() views.Slice[{{.FieldType}}] { return views.SliceOf(v.ж.{{.FieldName}}) }
 {{end}}
-{{define "viewSliceField"}}func (v {{.ViewName}}) {{.FieldName}}() views.SliceView[{{.FieldType}},{{.FieldViewName}}] { return views.SliceOfViews[{{.FieldType}},{{.FieldViewName}}](v.ж.{{.FieldName}}) }
+{{define "viewSliceField"}}func (v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() views.SliceView[{{.FieldType}},{{.FieldViewName}}] { return views.SliceOfViews[{{.FieldType}},{{.FieldViewName}}](v.ж.{{.FieldName}}) }
 {{end}}
-{{define "viewField"}}func (v {{.ViewName}}) {{.FieldName}}() {{.FieldType}}View { return v.ж.{{.FieldName}}.View() }
+{{define "viewField"}}func (v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() {{.FieldViewName}} { return v.ж.{{.FieldName}}.View() }
 {{end}}
-{{define "valuePointerField"}}func (v {{.ViewName}}) {{.FieldName}}() {{.FieldType}} {
+{{define "makeViewField"}}func (v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() {{.FieldViewName}} { return {{.MakeViewFnName}}(&v.ж.{{.FieldName}}) }
+{{end}}
+{{define "valuePointerField"}}func (v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() {{.FieldType}} {
 	if v.ж.{{.FieldName}} == nil {
 		return nil
 	}
@@ -85,21 +89,21 @@ func (v *{{.ViewName}}) UnmarshalJSON(b []byte) error {
 
 {{end}}
 {{define "mapField"}}
-func(v {{.ViewName}}) {{.FieldName}}() views.Map[{{.MapKeyType}},{{.MapValueType}}] { return views.MapOf(v.ж.{{.FieldName}})}
+func(v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() views.Map[{{.MapKeyType}},{{.MapValueType}}] { return views.MapOf(v.ж.{{.FieldName}})}
 {{end}}
 {{define "mapFnField"}}
-func(v {{.ViewName}}) {{.FieldName}}() views.MapFn[{{.MapKeyType}},{{.MapValueType}},{{.MapValueView}}] { return views.MapFnOf(v.ж.{{.FieldName}}, func (t {{.MapValueType}}) {{.MapValueView}} {
+func(v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() views.MapFn[{{.MapKeyType}},{{.MapValueType}},{{.MapValueView}}] { return views.MapFnOf(v.ж.{{.FieldName}}, func (t {{.MapValueType}}) {{.MapValueView}} {
 	return {{.MapFn}}
 })}
 {{end}}
 {{define "mapSliceField"}}
-func(v {{.ViewName}}) {{.FieldName}}() views.MapSlice[{{.MapKeyType}},{{.MapValueType}}] { return views.MapSliceOf(v.ж.{{.FieldName}}) }
+func(v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() views.MapSlice[{{.MapKeyType}},{{.MapValueType}}] { return views.MapSliceOf(v.ж.{{.FieldName}}) }
 {{end}}
-{{define "unsupportedField"}}func(v {{.ViewName}}) {{.FieldName}}() {{.FieldType}} {panic("unsupported")}
+{{define "unsupportedField"}}func(v {{.ViewName}}{{.TypeParamNames}}) {{.FieldName}}() {{.FieldType}} {panic("unsupported")}
 {{end}}
-{{define "stringFunc"}}func(v {{.ViewName}}) String() string { return v.ж.String() }
+{{define "stringFunc"}}func(v {{.ViewName}}{{.TypeParamNames}}) String() string { return v.ж.String() }
 {{end}}
-{{define "equalFunc"}}func(v {{.ViewName}}) Equal(v2 {{.ViewName}}) bool { return v.ж.Equal(v2.ж) }
+{{define "equalFunc"}}func(v {{.ViewName}}{{.TypeParamNames}}) Equal(v2 {{.ViewName}}{{.TypeParamNames}}) bool { return v.ж.Equal(v2.ж) }
 {{end}}
 `
 
@@ -131,8 +135,11 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 	it.Import("errors")
 
 	args := struct {
-		StructName    string
-		ViewName      string
+		StructName     string
+		ViewName       string
+		TypeParams     string // e.g. [T constraints.Integer]
+		TypeParamNames string // e.g. [T]
+
 		FieldName     string
 		FieldType     string
 		FieldViewName string
@@ -141,11 +148,17 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 		MapValueType string
 		MapValueView string
 		MapFn        string
+
+		// MakeViewFnName is the name of the function that accepts a value and returns a readonly view of it.
+		MakeViewFnName string
 	}{
 		StructName: typ.Obj().Name(),
-		ViewName:   typ.Obj().Name() + "View",
+		ViewName:   typ.Origin().Obj().Name() + "View",
 	}
 
+	typeParams := typ.Origin().TypeParams()
+	args.TypeParams, args.TypeParamNames = codegen.FormatTypeParams(typeParams, it)
+
 	writeTemplate := func(name string) {
 		if err := viewTemplate.ExecuteTemplate(buf, name, args); err != nil {
 			log.Fatal(err)
@@ -182,19 +195,35 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 				it.Import("tailscale.com/types/views")
 				shallow, deep, base := requiresCloning(elem)
 				if deep {
-					if _, isPtr := elem.(*types.Pointer); isPtr {
-						args.FieldViewName = it.QualifiedName(base) + "View"
-						writeTemplate("viewSliceField")
-					} else {
-						writeTemplate("unsupportedField")
+					switch elem.Underlying().(type) {
+					case *types.Pointer:
+						if _, isIface := base.Underlying().(*types.Interface); !isIface {
+							args.FieldViewName = appendNameSuffix(it.QualifiedName(base), "View")
+							writeTemplate("viewSliceField")
+						} else {
+							writeTemplate("unsupportedField")
+						}
+						continue
+					case *types.Interface:
+						if viewType := viewTypeForValueType(elem); viewType != nil {
+							args.FieldViewName = it.QualifiedName(viewType)
+							writeTemplate("viewSliceField")
+							continue
+						}
 					}
+					writeTemplate("unsupportedField")
 					continue
 				} else if shallow {
-					if _, isBasic := base.(*types.Basic); isBasic {
+					switch base.Underlying().(type) {
+					case *types.Basic, *types.Interface:
 						writeTemplate("unsupportedField")
-					} else {
-						args.FieldViewName = it.QualifiedName(base) + "View"
-						writeTemplate("viewSliceField")
+					default:
+						if _, isIface := base.Underlying().(*types.Interface); !isIface {
+							args.FieldViewName = appendNameSuffix(it.QualifiedName(base), "View")
+							writeTemplate("viewSliceField")
+						} else {
+							writeTemplate("unsupportedField")
+						}
 					}
 					continue
 				}
@@ -205,7 +234,18 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 			strucT := underlying
 			args.FieldType = it.QualifiedName(fieldType)
 			if codegen.ContainsPointers(strucT) {
-				writeTemplate("viewField")
+				if viewType := viewTypeForValueType(fieldType); viewType != nil {
+					args.FieldViewName = it.QualifiedName(viewType)
+					writeTemplate("viewField")
+					continue
+				}
+				if viewType, makeViewFn := viewTypeForContainerType(fieldType); viewType != nil {
+					args.FieldViewName = it.QualifiedName(viewType)
+					args.MakeViewFnName = it.PackagePrefix(makeViewFn.Pkg()) + makeViewFn.Name()
+					writeTemplate("makeViewField")
+					continue
+				}
+				writeTemplate("unsupportedField")
 				continue
 			}
 			writeTemplate("valueField")
@@ -229,7 +269,7 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 					args.MapFn = "t.View()"
 					template = "mapFnField"
 					args.MapValueType = it.QualifiedName(mElem)
-					args.MapValueView = args.MapValueType + "View"
+					args.MapValueView = appendNameSuffix(args.MapValueType, "View")
 				} else {
 					template = "mapField"
 					args.MapValueType = it.QualifiedName(mElem)
@@ -249,15 +289,20 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 				case *types.Pointer:
 					ptr := x
 					pElem := ptr.Elem()
-					switch pElem.(type) {
-					case *types.Struct, *types.Named:
-						ptrType := it.QualifiedName(ptr)
-						viewType := it.QualifiedName(pElem) + "View"
-						args.MapFn = fmt.Sprintf("views.SliceOfViews[%v,%v](t)", ptrType, viewType)
-						args.MapValueView = fmt.Sprintf("views.SliceView[%v,%v]", ptrType, viewType)
-						args.MapValueType = "[]" + ptrType
-						template = "mapFnField"
-					default:
+					template = "unsupportedField"
+					if _, isIface := pElem.Underlying().(*types.Interface); !isIface {
+						switch pElem.(type) {
+						case *types.Struct, *types.Named:
+							ptrType := it.QualifiedName(ptr)
+							viewType := appendNameSuffix(it.QualifiedName(pElem), "View")
+							args.MapFn = fmt.Sprintf("views.SliceOfViews[%v,%v](t)", ptrType, viewType)
+							args.MapValueView = fmt.Sprintf("views.SliceView[%v,%v]", ptrType, viewType)
+							args.MapValueType = "[]" + ptrType
+							template = "mapFnField"
+						default:
+							template = "unsupportedField"
+						}
+					} else {
 						template = "unsupportedField"
 					}
 				default:
@@ -266,13 +311,29 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 			case *types.Pointer:
 				ptr := u
 				pElem := ptr.Elem()
-				switch pElem.(type) {
-				case *types.Struct, *types.Named:
-					args.MapValueType = it.QualifiedName(ptr)
-					args.MapValueView = it.QualifiedName(pElem) + "View"
+				if _, isIface := pElem.Underlying().(*types.Interface); !isIface {
+					switch pElem.(type) {
+					case *types.Struct, *types.Named:
+						args.MapValueType = it.QualifiedName(ptr)
+						args.MapValueView = appendNameSuffix(it.QualifiedName(pElem), "View")
+						args.MapFn = "t.View()"
+						template = "mapFnField"
+					default:
+						template = "unsupportedField"
+					}
+				} else {
+					template = "unsupportedField"
+				}
+			case *types.Interface, *types.TypeParam:
+				if viewType := viewTypeForValueType(u); viewType != nil {
+					args.MapValueType = it.QualifiedName(u)
+					args.MapValueView = it.QualifiedName(viewType)
 					args.MapFn = "t.View()"
 					template = "mapFnField"
-				default:
+				} else if !codegen.ContainsPointers(u) {
+					args.MapValueType = it.QualifiedName(mElem)
+					template = "mapField"
+				} else {
 					template = "unsupportedField"
 				}
 			default:
@@ -283,14 +344,28 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 		case *types.Pointer:
 			ptr := underlying
 			_, deep, base := requiresCloning(ptr)
+
 			if deep {
-				args.FieldType = it.QualifiedName(base)
-				writeTemplate("viewField")
+				if _, isIface := base.Underlying().(*types.Interface); !isIface {
+					args.FieldType = it.QualifiedName(base)
+					args.FieldViewName = appendNameSuffix(args.FieldType, "View")
+					writeTemplate("viewField")
+				} else {
+					writeTemplate("unsupportedField")
+				}
 			} else {
 				args.FieldType = it.QualifiedName(ptr)
 				writeTemplate("valuePointerField")
 			}
 			continue
+		case *types.Interface:
+			// If fieldType is an interface with a "View() {ViewType}" method, it can be used to clone the field.
+			// This includes scenarios where fieldType is a constrained type parameter.
+			if viewType := viewTypeForValueType(underlying); viewType != nil {
+				args.FieldViewName = it.QualifiedName(viewType)
+				writeTemplate("viewField")
+				continue
+			}
 		}
 		writeTemplate("unsupportedField")
 	}
@@ -318,7 +393,132 @@ func genView(buf *bytes.Buffer, it *codegen.ImportTracker, typ *types.Named, thi
 		}
 	}
 	fmt.Fprintf(buf, "\n")
-	buf.Write(codegen.AssertStructUnchanged(t, args.StructName, "View", it))
+	buf.Write(codegen.AssertStructUnchanged(t, args.StructName, typeParams, "View", it))
+}
+
+func appendNameSuffix(name, suffix string) string {
+	if idx := strings.IndexRune(name, '['); idx != -1 {
+		// Insert suffix after the type name, but before type parameters.
+		return name[:idx] + suffix + name[idx:]
+	}
+	return name + suffix
+}
+
+func viewTypeForValueType(typ types.Type) types.Type {
+	if ptr, ok := typ.(*types.Pointer); ok {
+		return viewTypeForValueType(ptr.Elem())
+	}
+	viewMethod := codegen.LookupMethod(typ, "View")
+	if viewMethod == nil {
+		return nil
+	}
+	sig, ok := viewMethod.Type().(*types.Signature)
+	if !ok || sig.Results().Len() != 1 {
+		return nil
+	}
+	return sig.Results().At(0).Type()
+}
+
+func viewTypeForContainerType(typ types.Type) (*types.Named, *types.Func) {
+	// The container type should be an instantiated generic type,
+	// with its first type parameter specifying the element type.
+	containerType, ok := typ.(*types.Named)
+	if !ok || containerType.TypeArgs().Len() == 0 {
+		return nil, nil
+	}
+
+	// Look up the view type for the container type.
+	// It must include an additional type parameter specifying the element's view type.
+	// For example, Container[T] => ContainerView[T, V].
+	containerViewTypeName := containerType.Obj().Name() + "View"
+	containerViewTypeObj, ok := containerType.Obj().Pkg().Scope().Lookup(containerViewTypeName).(*types.TypeName)
+	if !ok {
+		return nil, nil
+	}
+	containerViewGenericType, ok := containerViewTypeObj.Type().(*types.Named)
+	if !ok || containerViewGenericType.TypeParams().Len() != containerType.TypeArgs().Len()+1 {
+		return nil, nil
+	}
+
+	// Create a list of type arguments for instantiating the container view type.
+	// Include all type arguments specified for the container type...
+	containerViewTypeArgs := make([]types.Type, containerViewGenericType.TypeParams().Len())
+	for i := range containerType.TypeArgs().Len() {
+		containerViewTypeArgs[i] = containerType.TypeArgs().At(i)
+	}
+	// ...and add the element view type.
+	// For that, we need to first determine the named elem type...
+	elemType, ok := baseType(containerType.TypeArgs().At(0)).(*types.Named)
+	if !ok {
+		return nil, nil
+	}
+	// ...then infer the view type from it.
+	var elemViewType *types.Named
+	elemTypeName := elemType.Obj().Name()
+	elemViewTypeBaseName := elemType.Obj().Name() + "View"
+	if elemViewTypeName, ok := elemType.Obj().Pkg().Scope().Lookup(elemViewTypeBaseName).(*types.TypeName); ok {
+		// The elem's view type is already defined in the same package as the elem type.
+		elemViewType = elemViewTypeName.Type().(*types.Named)
+	} else if slices.Contains(typeNames, elemTypeName) {
+		// The elem's view type has not been generated yet, but we can define
+		// and use a blank type with the expected view type name.
+		elemViewTypeName = types.NewTypeName(0, elemType.Obj().Pkg(), elemViewTypeBaseName, nil)
+		elemViewType = types.NewNamed(elemViewTypeName, types.NewStruct(nil, nil), nil)
+		if elemTypeParams := elemType.TypeParams(); elemTypeParams != nil {
+			elemViewType.SetTypeParams(collectTypeParams(elemTypeParams))
+		}
+	} else {
+		// The elem view type does not exist and won't be generated.
+		return nil, nil
+	}
+	// If elemType is an instantiated generic type, instantiate the elemViewType as well.
+	if elemTypeArgs := elemType.TypeArgs(); elemTypeArgs != nil {
+		elemViewType = must.Get(types.Instantiate(nil, elemViewType, collectTypes(elemTypeArgs), false)).(*types.Named)
+	}
+	// And finally set the elemViewType as the last type argument.
+	containerViewTypeArgs[len(containerViewTypeArgs)-1] = elemViewType
+
+	// Instantiate the container view type with the specified type arguments.
+	containerViewType := must.Get(types.Instantiate(nil, containerViewGenericType, containerViewTypeArgs, false))
+	// Look up a function to create a view of a container.
+	// It should be in the same package as the container type, named {ViewType}Of,
+	// and have a signature like {ViewType}Of(c *Container[T]) ContainerView[T, V].
+	makeContainerView, ok := containerType.Obj().Pkg().Scope().Lookup(containerViewTypeName + "Of").(*types.Func)
+	if !ok {
+		return nil, nil
+	}
+	return containerViewType.(*types.Named), makeContainerView
+}
+
+func baseType(typ types.Type) types.Type {
+	if ptr, ok := typ.(*types.Pointer); ok {
+		return ptr.Elem()
+	}
+	return typ
+}
+
+func collectTypes(list *types.TypeList) []types.Type {
+	// TODO(nickkhyl): use slices.Collect in Go 1.23?
+	if list.Len() == 0 {
+		return nil
+	}
+	res := make([]types.Type, list.Len())
+	for i := range res {
+		res[i] = list.At(i)
+	}
+	return res
+}
+
+func collectTypeParams(list *types.TypeParamList) []*types.TypeParam {
+	if list.Len() == 0 {
+		return nil
+	}
+	res := make([]*types.TypeParam, list.Len())
+	for i := range res {
+		p := list.At(i)
+		res[i] = types.NewTypeParam(p.Obj(), p.Constraint())
+	}
+	return res
 }
 
 var (
@@ -327,6 +527,8 @@ var (
 	flagCloneFunc = flag.Bool("clonefunc", false, "add a top-level Clone func")
 
 	flagCloneOnlyTypes = flag.String("clone-only-type", "", "comma-separated list of types (a subset of --type) that should only generate a go:generate clone line and not actual views")
+
+	typeNames []string
 )
 
 func main() {
@@ -337,7 +539,7 @@ func main() {
 		flag.Usage()
 		os.Exit(2)
 	}
-	typeNames := strings.Split(*flagTypes, ",")
+	typeNames = strings.Split(*flagTypes, ",")
 
 	var flagArgs []string
 	flagArgs = append(flagArgs, fmt.Sprintf("-clonefunc=%v", *flagCloneFunc))
@@ -381,7 +583,11 @@ func main() {
 		}
 		genView(buf, it, typ, pkg.Types)
 	}
-	out := pkg.Name + "_view.go"
+	out := pkg.Name + "_view"
+	if *flagBuildTags == "test" {
+		out += "_test"
+	}
+	out += ".go"
 	if err := codegen.WritePackageFile("tailscale/cmd/viewer", pkg, out, it, buf); err != nil {
 		log.Fatal(err)
 	}

cmd/xdpderper/xdpderper.go

@@ -1,6 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
+// Command xdpderper runs the XDP STUN server.
 package main
 
 import (
@@ -15,11 +16,12 @@ import (
 
 	"github.com/prometheus/client_golang/prometheus"
 	"tailscale.com/derp/xdp"
+	"tailscale.com/net/netutil"
 	"tailscale.com/tsweb"
 )
 
 var (
-	flagDevice  = flag.String("device", "", "target device name")
+	flagDevice  = flag.String("device", "", "target device name (default: autodetect)")
 	flagPort    = flag.Int("dst-port", 0, "destination UDP port to serve")
 	flagVerbose = flag.Bool("verbose", false, "verbose output including verifier errors")
 	flagMode    = flag.String("mode", "xdp", "XDP mode; valid modes: [xdp, xdpgeneric, xdpdrv, xdpoffload]")
@@ -41,8 +43,18 @@ func main() {
 	default:
 		log.Fatal("invalid mode")
 	}
+	deviceName := *flagDevice
+	if deviceName == "" {
+		var err error
+		deviceName, _, err = netutil.DefaultInterfacePortable()
+		if err != nil || deviceName == "" {
+			log.Fatalf("failed to detect default route interface: %v", err)
+		}
+	}
+	log.Printf("binding to device: %s", deviceName)
+
 	server, err := xdp.NewSTUNServer(&xdp.STUNServerConfig{
-		DeviceName:      *flagDevice,
+		DeviceName:      deviceName,
 		DstPort:         *flagPort,
 		AttachFlags:     attachFlags,
 		FullVerifierErr: *flagVerbose,

control/controlclient/direct.go

@@ -7,8 +7,6 @@ import (
 	"bufio"
 	"bytes"
 	"context"
-	"crypto/ed25519"
-	"encoding/base64"
 	"encoding/binary"
 	"encoding/json"
 	"errors"
@@ -335,6 +333,9 @@ func (c *Direct) Close() error {
 		}
 	}
 	c.noiseClient = nil
+	if tr, ok := c.httpc.Transport.(*http.Transport); ok {
+		tr.CloseIdleConnections()
+	}
 	return nil
 }
 
@@ -491,7 +492,7 @@ func (c *Direct) doLogin(ctx context.Context, opt loginOpt) (mustRegen bool, new
 	tryingNewKey := c.tryingNewKey
 	serverKey := c.serverLegacyKey
 	serverNoiseKey := c.serverNoiseKey
-	authKey, isWrapped, wrappedSig, wrappedKey := decodeWrappedAuthkey(c.authKey, c.logf)
+	authKey, isWrapped, wrappedSig, wrappedKey := tka.DecodeWrappedAuthkey(c.authKey, c.logf)
 	hi := c.hostInfoLocked()
 	backendLogID := hi.BackendLogID
 	expired := !c.expiry.IsZero() && c.expiry.Before(c.clock.Now())
@@ -588,18 +589,10 @@ func (c *Direct) doLogin(ctx context.Context, opt loginOpt) (mustRegen bool, new
 		// We were given a wrapped pre-auth key, which means that in addition
 		// to being a regular pre-auth key there was a suffix with information to
 		// generate a tailnet-lock signature.
-		nk, err := tryingNewKey.Public().MarshalBinary()
+		nodeKeySignature, err = tka.SignByCredential(wrappedKey, wrappedSig, tryingNewKey.Public())
 		if err != nil {
-			return false, "", nil, fmt.Errorf("marshalling node-key: %w", err)
+			return false, "", nil, err
 		}
-		sig := &tka.NodeKeySignature{
-			SigKind: tka.SigRotation,
-			Pubkey:  nk,
-			Nested:  wrappedSig,
-		}
-		sigHash := sig.SigHash()
-		sig.Signature = ed25519.Sign(wrappedKey, sigHash[:])
-		nodeKeySignature = sig.Serialize()
 	}
 
 	if backendLogID == "" {
@@ -1644,43 +1637,6 @@ func (c *Direct) ReportHealthChange(w *health.Warnable, us *health.UnhealthyStat
 	res.Body.Close()
 }
 
-// decodeWrappedAuthkey separates wrapping information from an authkey, if any.
-// In all cases the authkey is returned, sans wrapping information if any.
-//
-// If the authkey is wrapped, isWrapped returns true, along with the wrapping signature
-// and private key.
-func decodeWrappedAuthkey(key string, logf logger.Logf) (authKey string, isWrapped bool, sig *tka.NodeKeySignature, priv ed25519.PrivateKey) {
-	authKey, suffix, found := strings.Cut(key, "--TL")
-	if !found {
-		return key, false, nil, nil
-	}
-	sigBytes, privBytes, found := strings.Cut(suffix, "-")
-	if !found {
-		logf("decoding wrapped auth-key: did not find delimiter")
-		return key, false, nil, nil
-	}
-
-	rawSig, err := base64.RawStdEncoding.DecodeString(sigBytes)
-	if err != nil {
-		logf("decoding wrapped auth-key: signature decode: %v", err)
-		return key, false, nil, nil
-	}
-	rawPriv, err := base64.RawStdEncoding.DecodeString(privBytes)
-	if err != nil {
-		logf("decoding wrapped auth-key: priv decode: %v", err)
-		return key, false, nil, nil
-	}
-
-	sig = new(tka.NodeKeySignature)
-	if err := sig.Unserialize([]byte(rawSig)); err != nil {
-		logf("decoding wrapped auth-key: signature: %v", err)
-		return key, false, nil, nil
-	}
-	priv = ed25519.PrivateKey(rawPriv)
-
-	return authKey, true, sig, priv
-}
-
 func addLBHeader(req *http.Request, nodeKey key.NodePublic) {
 	if !nodeKey.IsZero() {
 		req.Header.Add(tailcfg.LBHeader, nodeKey.String())

control/controlclient/direct_test.go

@@ -4,7 +4,6 @@
 package controlclient
 
 import (
-	"crypto/ed25519"
 	"encoding/json"
 	"net/http"
 	"net/http/httptest"
@@ -147,42 +146,3 @@ func TestTsmpPing(t *testing.T) {
 		t.Fatal(err)
 	}
 }
-
-func TestDecodeWrappedAuthkey(t *testing.T) {
-	k, isWrapped, sig, priv := decodeWrappedAuthkey("tskey-32mjsdkdsffds9o87dsfkjlh", nil)
-	if want := "tskey-32mjsdkdsffds9o87dsfkjlh"; k != want {
-		t.Errorf("decodeWrappedAuthkey(<unwrapped-key>).key = %q, want %q", k, want)
-	}
-	if isWrapped {
-		t.Error("decodeWrappedAuthkey(<unwrapped-key>).isWrapped = true, want false")
-	}
-	if sig != nil {
-		t.Errorf("decodeWrappedAuthkey(<unwrapped-key>).sig = %v, want nil", sig)
-	}
-	if priv != nil {
-		t.Errorf("decodeWrappedAuthkey(<unwrapped-key>).priv = %v, want nil", priv)
-	}
-
-	k, isWrapped, sig, priv = decodeWrappedAuthkey("tskey-auth-k7UagY1CNTRL-ZZZZZ--TLpAEDA1ggnXuw4/fWnNWUwcoOjLemhOvml1juMl5lhLmY5sBUsj8EWEAfL2gdeD9g8VDw5tgcxCiHGlEb67BgU2DlFzZApi4LheLJraA+pYjTGChVhpZz1iyiBPD+U2qxDQAbM3+WFY0EBlggxmVqG53Hu0Rg+KmHJFMlUhfgzo+AQP6+Kk9GzvJJOs4-k36RdoSFqaoARfQo0UncHAV0t3YTqrkD5r/z2jTrE43GZWobnce7RGD4qYckUyVSF+DOj4BA/r4qT0bO8kk6zg", nil)
-	if want := "tskey-auth-k7UagY1CNTRL-ZZZZZ"; k != want {
-		t.Errorf("decodeWrappedAuthkey(<wrapped-key>).key = %q, want %q", k, want)
-	}
-	if !isWrapped {
-		t.Error("decodeWrappedAuthkey(<wrapped-key>).isWrapped = false, want true")
-	}
-
-	if sig == nil {
-		t.Fatal("decodeWrappedAuthkey(<wrapped-key>).sig = nil, want non-nil signature")
-	}
-	sigHash := sig.SigHash()
-	if !ed25519.Verify(sig.KeyID, sigHash[:], sig.Signature) {
-		t.Error("signature failed to verify")
-	}
-
-	// Make sure the private is correct by using it.
-	someSig := ed25519.Sign(priv, []byte{1, 2, 3, 4})
-	if !ed25519.Verify(sig.WrappingPubkey, []byte{1, 2, 3, 4}, someSig) {
-		t.Error("failed to use priv")
-	}
-
-}

control/controlhttp/client.go

@@ -46,6 +46,7 @@ import (
 	"tailscale.com/net/sockstats"
 	"tailscale.com/net/tlsdial"
 	"tailscale.com/net/tshttpproxy"
+	"tailscale.com/syncs"
 	"tailscale.com/tailcfg"
 	"tailscale.com/tstime"
 	"tailscale.com/util/multierr"
@@ -497,11 +498,9 @@ func (a *Dialer) tryURLUpgrade(ctx context.Context, u *url.URL, addr netip.Addr,
 	tr.DisableCompression = true
 
 	// (mis)use httptrace to extract the underlying net.Conn from the
-	// transport. We make exactly 1 request using this transport, so
-	// there will be exactly 1 GotConn call. Additionally, the
-	// transport handles 101 Switching Protocols correctly, such that
-	// the Conn will not be reused or kept alive by the transport once
-	// the response has been handed back from RoundTrip.
+	// transport. The transport handles 101 Switching Protocols correctly,
+	// such that the Conn will not be reused or kept alive by the transport
+	// once the response has been handed back from RoundTrip.
 	//
 	// In theory, the machinery of net/http should make it such that
 	// the trace callback happens-before we get the response, but
@@ -517,10 +516,16 @@ func (a *Dialer) tryURLUpgrade(ctx context.Context, u *url.URL, addr netip.Addr,
 	// unexpected EOFs...), and we're bound to forget someday and
 	// introduce a protocol optimization at a higher level that starts
 	// eagerly transmitting from the server.
-	connCh := make(chan net.Conn, 1)
+	var lastConn syncs.AtomicValue[net.Conn]
 	trace := httptrace.ClientTrace{
+		// Even though we only make a single HTTP request which should
+		// require a single connection, the context (with the attached
+		// trace configuration) might be used by our custom dialer to
+		// make other HTTP requests (e.g. BootstrapDNS). We only care
+		// about the last connection made, which should be the one to
+		// the control server.
 		GotConn: func(info httptrace.GotConnInfo) {
-			connCh <- info.Conn
+			lastConn.Store(info.Conn)
 		},
 	}
 	ctx = httptrace.WithClientTrace(ctx, &trace)
@@ -548,11 +553,7 @@ func (a *Dialer) tryURLUpgrade(ctx context.Context, u *url.URL, addr netip.Addr,
 	// is still a read buffer attached to it within resp.Body. So, we
 	// must direct I/O through resp.Body, but we can still use the
 	// underlying net.Conn for stuff like deadlines.
-	var switchedConn net.Conn
-	select {
-	case switchedConn = <-connCh:
-	default:
-	}
+	switchedConn := lastConn.Load()
 	if switchedConn == nil {
 		resp.Body.Close()
 		return nil, fmt.Errorf("httptrace didn't provide a connection")

control/controlhttp/http_test.go

@@ -11,10 +11,12 @@ import (
 	"log"
 	"net"
 	"net/http"
+	"net/http/httptest"
 	"net/http/httputil"
 	"net/netip"
 	"net/url"
 	"runtime"
+	"slices"
 	"strconv"
 	"sync"
 	"testing"
@@ -41,6 +43,8 @@ type httpTestParam struct {
 	makeHTTPHangAfterUpgrade bool
 
 	doEarlyWrite bool
+
+	httpInDial bool
 }
 
 func TestControlHTTP(t *testing.T) {
@@ -120,6 +124,12 @@ func TestControlHTTP(t *testing.T) {
 			name:         "early_write",
 			doEarlyWrite: true,
 		},
+		// Dialer needed to make another HTTP request along the way (e.g. to
+		// resolve the hostname via BootstrapDNS).
+		{
+			name:       "http_request_in_dial",
+			httpInDial: true,
+		},
 	}
 
 	for _, test := range tests {
@@ -217,6 +227,29 @@ func testControlHTTP(t *testing.T, param httpTestParam) {
 		Clock:                clock,
 	}
 
+	if param.httpInDial {
+		// Spin up a separate server to get a different port on localhost.
+		secondServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { return }))
+		defer secondServer.Close()
+
+		prev := a.Dialer
+		a.Dialer = func(ctx context.Context, network, addr string) (net.Conn, error) {
+			ctx, cancel := context.WithTimeout(ctx, time.Second)
+			defer cancel()
+			req, err := http.NewRequestWithContext(ctx, "GET", secondServer.URL, nil)
+			if err != nil {
+				t.Errorf("http.NewRequest: %v", err)
+			}
+			r, err := http.DefaultClient.Do(req)
+			if err != nil {
+				t.Errorf("http.Get: %v", err)
+			}
+			r.Body.Close()
+
+			return prev(ctx, network, addr)
+		}
+	}
+
 	if proxy != nil {
 		proxyEnv := proxy.Start(t)
 		defer proxy.Close()
@@ -238,6 +271,7 @@ func testControlHTTP(t *testing.T, param httpTestParam) {
 		t.Fatalf("dialing controlhttp: %v", err)
 	}
 	defer conn.Close()
+
 	si := <-sch
 	if si.conn != nil {
 		defer si.conn.Close()
@@ -266,6 +300,19 @@ func testControlHTTP(t *testing.T, param httpTestParam) {
 			t.Errorf("early write = %q; want %q", buf, earlyWriteMsg)
 		}
 	}
+
+	// When no proxy is used, the RemoteAddr of the returned connection should match
+	// one of the listeners of the test server.
+	if proxy == nil {
+		var expectedAddrs []string
+		for _, ln := range []net.Listener{httpLn, httpsLn} {
+			expectedAddrs = append(expectedAddrs, fmt.Sprintf("127.0.0.1:%d", ln.Addr().(*net.TCPAddr).Port))
+			expectedAddrs = append(expectedAddrs, fmt.Sprintf("[::1]:%d", ln.Addr().(*net.TCPAddr).Port))
+		}
+		if !slices.Contains(expectedAddrs, conn.RemoteAddr().String()) {
+			t.Errorf("unexpected remote addr: %s, want %s", conn.RemoteAddr(), expectedAddrs)
+		}
+	}
 }
 
 type serverResult struct {

control/controlknobs/controlknobs.go

@@ -19,10 +19,6 @@ type Knobs struct {
 	// DisableUPnP indicates whether to attempt UPnP mapping.
 	DisableUPnP atomic.Bool
 
-	// DisableDRPO is whether control says to disable the
-	// DERP route optimization (Issue 150).
-	DisableDRPO atomic.Bool
-
 	// KeepFullWGConfig is whether we should disable the lazy wireguard
 	// programming and instead give WireGuard the full netmap always, even for
 	// idle peers.
@@ -99,6 +95,14 @@ type Knobs struct {
 	// We began creating this rule on 2024-06-14, and this knob
 	// allows us to disable the new behavior remotely if needed.
 	DisableLocalDNSOverrideViaNRPT atomic.Bool
+
+	// DisableCryptorouting indicates that the node should not use the
+	// magicsock crypto routing feature.
+	DisableCryptorouting atomic.Bool
+
+	// DisableCaptivePortalDetection is whether the node should not perform captive portal detection
+	// automatically when the network state changes.
+	DisableCaptivePortalDetection atomic.Bool
 }
 
 // UpdateFromNodeAttributes updates k (if non-nil) based on the provided self
@@ -110,7 +114,6 @@ func (k *Knobs) UpdateFromNodeAttributes(capMap tailcfg.NodeCapMap) {
 	has := capMap.Contains
 	var (
 		keepFullWG                           = has(tailcfg.NodeAttrDebugDisableWGTrim)
-		disableDRPO                          = has(tailcfg.NodeAttrDebugDisableDRPO)
 		disableUPnP                          = has(tailcfg.NodeAttrDisableUPnP)
 		randomizeClientPort                  = has(tailcfg.NodeAttrRandomizeClientPort)
 		disableDeltaUpdates                  = has(tailcfg.NodeAttrDisableDeltaUpdates)
@@ -127,6 +130,8 @@ func (k *Knobs) UpdateFromNodeAttributes(capMap tailcfg.NodeCapMap) {
 		userDialUseRoutes                    = has(tailcfg.NodeAttrUserDialUseRoutes)
 		disableSplitDNSWhenNoCustomResolvers = has(tailcfg.NodeAttrDisableSplitDNSWhenNoCustomResolvers)
 		disableLocalDNSOverrideViaNRPT       = has(tailcfg.NodeAttrDisableLocalDNSOverrideViaNRPT)
+		disableCryptorouting                 = has(tailcfg.NodeAttrDisableMagicSockCryptoRouting)
+		disableCaptivePortalDetection        = has(tailcfg.NodeAttrDisableCaptivePortalDetection)
 	)
 
 	if has(tailcfg.NodeAttrOneCGNATEnable) {
@@ -136,7 +141,6 @@ func (k *Knobs) UpdateFromNodeAttributes(capMap tailcfg.NodeCapMap) {
 	}
 
 	k.KeepFullWGConfig.Store(keepFullWG)
-	k.DisableDRPO.Store(disableDRPO)
 	k.DisableUPnP.Store(disableUPnP)
 	k.RandomizeClientPort.Store(randomizeClientPort)
 	k.OneCGNAT.Store(oneCGNAT)
@@ -153,6 +157,8 @@ func (k *Knobs) UpdateFromNodeAttributes(capMap tailcfg.NodeCapMap) {
 	k.UserDialUseRoutes.Store(userDialUseRoutes)
 	k.DisableSplitDNSWhenNoCustomResolvers.Store(disableSplitDNSWhenNoCustomResolvers)
 	k.DisableLocalDNSOverrideViaNRPT.Store(disableLocalDNSOverrideViaNRPT)
+	k.DisableCryptorouting.Store(disableCryptorouting)
+	k.DisableCaptivePortalDetection.Store(disableCaptivePortalDetection)
 }
 
 // AsDebugJSON returns k as something that can be marshalled with json.Marshal
@@ -163,7 +169,6 @@ func (k *Knobs) AsDebugJSON() map[string]any {
 	}
 	return map[string]any{
 		"DisableUPnP":                          k.DisableUPnP.Load(),
-		"DisableDRPO":                          k.DisableDRPO.Load(),
 		"KeepFullWGConfig":                     k.KeepFullWGConfig.Load(),
 		"RandomizeClientPort":                  k.RandomizeClientPort.Load(),
 		"OneCGNAT":                             k.OneCGNAT.Load(),
@@ -180,5 +185,7 @@ func (k *Knobs) AsDebugJSON() map[string]any {
 		"UserDialUseRoutes":                    k.UserDialUseRoutes.Load(),
 		"DisableSplitDNSWhenNoCustomResolvers": k.DisableSplitDNSWhenNoCustomResolvers.Load(),
 		"DisableLocalDNSOverrideViaNRPT":       k.DisableLocalDNSOverrideViaNRPT.Load(),
+		"DisableCryptorouting":                 k.DisableCryptorouting.Load(),
+		"DisableCaptivePortalDetection":        k.DisableCaptivePortalDetection.Load(),
 	}
 }

derp/derp.go

@@ -83,9 +83,16 @@ const (
 	// a bug).
 	framePeerGone = frameType(0x08) // 32B pub key of peer that's gone + 1 byte reason
 
-	// framePeerPresent is like framePeerGone, but for other
-	// members of the DERP region when they're meshed up together.
-	framePeerPresent = frameType(0x09) // 32B pub key of peer that's connected + optional 18B ip:port (16 byte IP + 2 byte BE uint16 port)
+	// framePeerPresent is like framePeerGone, but for other members of the DERP
+	// region when they're meshed up together.
+	//
+	// The message is at least 32 bytes (the public key of the peer that's
+	// connected). If there are at least 18 bytes remaining after that, it's the
+	// 16 byte IP + 2 byte BE uint16 port of the client. If there's another byte
+	// remaining after that, it's a PeerPresentFlags byte.
+	// While current servers send 41 bytes, old servers will send fewer, and newer
+	// servers might send more.
+	framePeerPresent = frameType(0x09)
 
 	// frameWatchConns is how one DERP node in a regional mesh
 	// subscribes to the others in the region.
@@ -124,8 +131,22 @@ const (
 type PeerGoneReasonType byte
 
 const (
-	PeerGoneReasonDisconnected = PeerGoneReasonType(0x00) // peer disconnected from this server
-	PeerGoneReasonNotHere      = PeerGoneReasonType(0x01) // server doesn't know about this peer, unexpected
+	PeerGoneReasonDisconnected  = PeerGoneReasonType(0x00) // peer disconnected from this server
+	PeerGoneReasonNotHere       = PeerGoneReasonType(0x01) // server doesn't know about this peer, unexpected
+	PeerGoneReasonMeshConnBroke = PeerGoneReasonType(0xf0) // invented by Client.RunWatchConnectionLoop on disconnect; not sent on the wire
+)
+
+// PeerPresentFlags is an optional byte of bit flags sent after a framePeerPresent message.
+//
+// For a modern server, the value should always be non-zero. If the value is zero,
+// that means the server doesn't support this field.
+type PeerPresentFlags byte
+
+// PeerPresentFlags bits.
+const (
+	PeerPresentIsRegular  = 1 << 0
+	PeerPresentIsMeshPeer = 1 << 1
+	PeerPresentIsProber   = 1 << 2
 )
 
 var bin = binary.BigEndian

derp/derp_client.go

@@ -368,6 +368,8 @@ type PeerPresentMessage struct {
 	Key key.NodePublic
 	// IPPort is the remote IP and port of the client.
 	IPPort netip.AddrPort
+	// Flags is a bitmask of info about the client.
+	Flags PeerPresentFlags
 }
 
 func (PeerPresentMessage) msg() {}
@@ -547,18 +549,33 @@ func (c *Client) recvTimeout(timeout time.Duration) (m ReceivedMessage, err erro
 			return pg, nil
 
 		case framePeerPresent:
-			if n < keyLen {
+			remain := b
+			chunk, remain, ok := cutLeadingN(remain, keyLen)
+			if !ok {
 				c.logf("[unexpected] dropping short peerPresent frame from DERP server")
 				continue
 			}
 			var msg PeerPresentMessage
-			msg.Key = key.NodePublicFromRaw32(mem.B(b[:keyLen]))
-			if n >= keyLen+16+2 {
-				msg.IPPort = netip.AddrPortFrom(
-					netip.AddrFrom16([16]byte(b[keyLen:keyLen+16])).Unmap(),
-					binary.BigEndian.Uint16(b[keyLen+16:keyLen+16+2]),
-				)
+			msg.Key = key.NodePublicFromRaw32(mem.B(chunk))
+
+			const ipLen = 16
+			const portLen = 2
+			chunk, remain, ok = cutLeadingN(remain, ipLen+portLen)
+			if !ok {
+				// Older server which didn't send the IP.
+				return msg, nil
 			}
+			msg.IPPort = netip.AddrPortFrom(
+				netip.AddrFrom16([16]byte(chunk[:ipLen])).Unmap(),
+				binary.BigEndian.Uint16(chunk[ipLen:]),
+			)
+
+			chunk, _, ok = cutLeadingN(remain, 1)
+			if !ok {
+				// Older server which doesn't send PeerPresentFlags.
+				return msg, nil
+			}
+			msg.Flags = PeerPresentFlags(chunk[0])
 			return msg, nil
 
 		case frameRecvPacket:
@@ -636,3 +653,10 @@ func (c *Client) LocalAddr() (netip.AddrPort, error) {
 	}
 	return netip.ParseAddrPort(a.String())
 }
+
+func cutLeadingN(b []byte, n int) (chunk, remain []byte, ok bool) {
+	if len(b) >= n {
+		return b[:n], b[n:], true
+	}
+	return nil, b, false
+}

derp/derp_server.go

@@ -141,6 +141,8 @@ type Server struct {
 	removePktForwardOther        expvar.Int
 	avgQueueDuration             *uint64          // In milliseconds; accessed atomically
 	tcpRtt                       metrics.LabelMap // histogram
+	meshUpdateBatchSize          *metrics.Histogram
+	meshUpdateLoopCount          *metrics.Histogram
 
 	// verifyClientsLocalTailscaled only accepts client connections to the DERP
 	// server if the clientKey is a known peer in the network, as specified by a
@@ -323,6 +325,8 @@ func NewServer(privateKey key.NodePrivate, logf logger.Logf) *Server {
 		sentTo:               map[key.NodePublic]map[key.NodePublic]int64{},
 		avgQueueDuration:     new(uint64),
 		tcpRtt:               metrics.LabelMap{Label: "le"},
+		meshUpdateBatchSize:  metrics.NewHistogram([]float64{0, 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000}),
+		meshUpdateLoopCount:  metrics.NewHistogram([]float64{0, 1, 2, 5, 10, 20, 50, 100}),
 		keyOfAddr:            map[netip.AddrPort]key.NodePublic{},
 		clock:                tstime.StdClock{},
 	}
@@ -566,7 +570,7 @@ func (s *Server) registerClient(c *sclient) {
 	}
 	s.keyOfAddr[c.remoteIPPort] = c.key
 	s.curClients.Add(1)
-	s.broadcastPeerStateChangeLocked(c.key, c.remoteIPPort, true)
+	s.broadcastPeerStateChangeLocked(c.key, c.remoteIPPort, c.presentFlags(), true)
 }
 
 // broadcastPeerStateChangeLocked enqueues a message to all watchers
@@ -574,12 +578,13 @@ func (s *Server) registerClient(c *sclient) {
 // presence changed.
 //
 // s.mu must be held.
-func (s *Server) broadcastPeerStateChangeLocked(peer key.NodePublic, ipPort netip.AddrPort, present bool) {
+func (s *Server) broadcastPeerStateChangeLocked(peer key.NodePublic, ipPort netip.AddrPort, flags PeerPresentFlags, present bool) {
 	for w := range s.watchers {
 		w.peerStateChange = append(w.peerStateChange, peerConnState{
 			peer:    peer,
 			present: present,
 			ipPort:  ipPort,
+			flags:   flags,
 		})
 		go w.requestMeshUpdate()
 	}
@@ -601,7 +606,7 @@ func (s *Server) unregisterClient(c *sclient) {
 			delete(s.clientsMesh, c.key)
 			s.notePeerGoneFromRegionLocked(c.key)
 		}
-		s.broadcastPeerStateChangeLocked(c.key, netip.AddrPort{}, false)
+		s.broadcastPeerStateChangeLocked(c.key, netip.AddrPort{}, 0, false)
 	case *dupClientSet:
 		c.debugLogf("removed duplicate client")
 		if set.removeClient(c) {
@@ -700,6 +705,7 @@ func (s *Server) addWatcher(c *sclient) {
 			peer:    peer,
 			present: true,
 			ipPort:  ac.remoteIPPort,
+			flags:   ac.presentFlags(),
 		})
 	}
 
@@ -756,7 +762,7 @@ func (s *Server) accept(ctx context.Context, nc Conn, brw *bufio.ReadWriter, rem
 	}
 
 	if c.canMesh {
-		c.meshUpdate = make(chan struct{})
+		c.meshUpdate = make(chan struct{}, 1) // must be buffered; >1 is fine but wasteful
 	}
 	if clientInfo != nil {
 		c.info = *clientInfo
@@ -1141,13 +1147,18 @@ func (c *sclient) requestPeerGoneWrite(peer key.NodePublic, reason PeerGoneReaso
 	}
 }
 
+// requestMeshUpdate notes that a c's peerStateChange has been appended to and
+// should now be written.
+//
+// It does not block. If a meshUpdate is already pending for this client, it
+// does nothing.
 func (c *sclient) requestMeshUpdate() {
 	if !c.canMesh {
 		panic("unexpected requestMeshUpdate")
 	}
 	select {
 	case c.meshUpdate <- struct{}{}:
-	case <-c.done:
+	default:
 	}
 }
 
@@ -1176,6 +1187,10 @@ func (s *Server) verifyClient(ctx context.Context, clientKey key.NodePublic, inf
 			return fmt.Errorf("peer %v not authorized (not found in local tailscaled)", clientKey)
 		}
 		if err != nil {
+			if strings.Contains(err.Error(), "invalid 'addr' parameter") {
+				// Issue 12617
+				return errors.New("tailscaled version is too old (out of sync with derper binary)")
+			}
 			return fmt.Errorf("failed to query local tailscaled status for %v: %w", clientKey, err)
 		}
 	}
@@ -1435,11 +1450,26 @@ type sclient struct {
 	peerGoneLim *rate.Limiter
 }
 
+func (c *sclient) presentFlags() PeerPresentFlags {
+	var f PeerPresentFlags
+	if c.info.IsProber {
+		f |= PeerPresentIsProber
+	}
+	if c.canMesh {
+		f |= PeerPresentIsMeshPeer
+	}
+	if f == 0 {
+		return PeerPresentIsRegular
+	}
+	return f
+}
+
 // peerConnState represents whether a peer is connected to the server
 // or not.
 type peerConnState struct {
 	ipPort  netip.AddrPort // if present, the peer's IP:port
 	peer    key.NodePublic
+	flags   PeerPresentFlags
 	present bool
 }
 
@@ -1613,6 +1643,11 @@ func (c *sclient) sendPong(data [8]byte) error {
 	return err
 }
 
+const (
+	peerGoneFrameLen    = keyLen + 1
+	peerPresentFrameLen = keyLen + 16 + 2 + 1 // 16 byte IP + 2 byte port + 1 byte flags
+)
+
 // sendPeerGone sends a peerGone frame, without flushing.
 func (c *sclient) sendPeerGone(peer key.NodePublic, reason PeerGoneReasonType) error {
 	switch reason {
@@ -1622,7 +1657,7 @@ func (c *sclient) sendPeerGone(peer key.NodePublic, reason PeerGoneReasonType) e
 		c.s.peerGoneNotHereFrames.Add(1)
 	}
 	c.setWriteDeadline()
-	data := make([]byte, 0, keyLen+1)
+	data := make([]byte, 0, peerGoneFrameLen)
 	data = peer.AppendTo(data)
 	data = append(data, byte(reason))
 	if err := writeFrameHeader(c.bw.bw(), framePeerGone, uint32(len(data))); err != nil {
@@ -1634,73 +1669,62 @@ func (c *sclient) sendPeerGone(peer key.NodePublic, reason PeerGoneReasonType) e
 }
 
 // sendPeerPresent sends a peerPresent frame, without flushing.
-func (c *sclient) sendPeerPresent(peer key.NodePublic, ipPort netip.AddrPort) error {
+func (c *sclient) sendPeerPresent(peer key.NodePublic, ipPort netip.AddrPort, flags PeerPresentFlags) error {
 	c.setWriteDeadline()
-	const frameLen = keyLen + 16 + 2
-	if err := writeFrameHeader(c.bw.bw(), framePeerPresent, frameLen); err != nil {
+	if err := writeFrameHeader(c.bw.bw(), framePeerPresent, peerPresentFrameLen); err != nil {
 		return err
 	}
-	payload := make([]byte, frameLen)
+	payload := make([]byte, peerPresentFrameLen)
 	_ = peer.AppendTo(payload[:0])
 	a16 := ipPort.Addr().As16()
 	copy(payload[keyLen:], a16[:])
 	binary.BigEndian.PutUint16(payload[keyLen+16:], ipPort.Port())
+	payload[keyLen+18] = byte(flags)
 	_, err := c.bw.Write(payload)
 	return err
 }
 
-// sendMeshUpdates drains as many mesh peerStateChange entries as
-// possible into the write buffer WITHOUT flushing or otherwise
-// blocking (as it holds c.s.mu while working). If it can't drain them
-// all, it schedules itself to be called again in the future.
+// sendMeshUpdates drains all mesh peerStateChange entries into the write buffer
+// without flushing.
 func (c *sclient) sendMeshUpdates() error {
-	c.s.mu.Lock()
-	defer c.s.mu.Unlock()
+	var lastBatch []peerConnState // memory to best effort reuse
 
-	// allow all happened-before mesh update request goroutines to complete, if
-	// we don't finish the task we'll queue another below.
-drainUpdates:
-	for {
-		select {
-		case <-c.meshUpdate:
-		default:
-			break drainUpdates
+	// takeAll returns c.peerStateChange and empties it.
+	takeAll := func() []peerConnState {
+		c.s.mu.Lock()
+		defer c.s.mu.Unlock()
+		if len(c.peerStateChange) == 0 {
+			return nil
 		}
+		batch := c.peerStateChange
+		if cap(lastBatch) > 16 {
+			lastBatch = nil
+		}
+		c.peerStateChange = lastBatch[:0]
+		return batch
 	}
 
-	writes := 0
-	for _, pcs := range c.peerStateChange {
-		if c.bw.Available() <= frameHeaderLen+keyLen {
-			break
+	for loops := 0; ; loops++ {
+		batch := takeAll()
+		if len(batch) == 0 {
+			c.s.meshUpdateLoopCount.Observe(float64(loops))
+			return nil
 		}
-		var err error
-		if pcs.present {
-			err = c.sendPeerPresent(pcs.peer, pcs.ipPort)
-		} else {
-			err = c.sendPeerGone(pcs.peer, PeerGoneReasonDisconnected)
-		}
-		if err != nil {
-			// Shouldn't happen, though, as we're writing
-			// into available buffer space, not the
-			// network.
-			return err
-		}
-		writes++
-	}
+		c.s.meshUpdateBatchSize.Observe(float64(len(batch)))
 
-	remain := copy(c.peerStateChange, c.peerStateChange[writes:])
-	c.peerStateChange = c.peerStateChange[:remain]
-
-	// Did we manage to write them all into the bufio buffer without flushing?
-	if len(c.peerStateChange) == 0 {
-		if cap(c.peerStateChange) > 16 {
-			c.peerStateChange = nil
+		for _, pcs := range batch {
+			var err error
+			if pcs.present {
+				err = c.sendPeerPresent(pcs.peer, pcs.ipPort, pcs.flags)
+			} else {
+				err = c.sendPeerGone(pcs.peer, PeerGoneReasonDisconnected)
+			}
+			if err != nil {
+				return err
+			}
 		}
-	} else {
-		// Didn't finish in the buffer space provided; schedule a future run.
-		go c.requestMeshUpdate()
+		lastBatch = batch
 	}
-	return nil
 }
 
 // sendPacket writes contents to the client in a RecvPacket frame. If
@@ -1929,6 +1953,8 @@ func (s *Server) ExpVar() expvar.Var {
 		return math.Float64frombits(atomic.LoadUint64(s.avgQueueDuration))
 	}))
 	m.Set("counter_tcp_rtt", &s.tcpRtt)
+	m.Set("counter_mesh_update_batch_size", s.meshUpdateBatchSize)
+	m.Set("counter_mesh_update_loop_count", s.meshUpdateLoopCount)
 	var expvarVersion expvar.String
 	expvarVersion.Set(version.Long())
 	m.Set("version", &expvarVersion)

derp/derp_test.go

@@ -623,7 +623,13 @@ func (tc *testClient) wantPresent(t *testing.T, peers ...key.NodePublic) {
 					}
 				}))
 			}
-			t.Logf("got present with IP %v", m.IPPort)
+			t.Logf("got present with IP %v, flags=%v", m.IPPort, m.Flags)
+			switch m.Flags {
+			case PeerPresentIsMeshPeer, PeerPresentIsRegular:
+				// Okay
+			default:
+				t.Errorf("unexpected PeerPresentIsMeshPeer flags %v", m.Flags)
+			}
 			delete(want, got)
 			if len(want) == 0 {
 				return

derp/derphttp/derphttp_client.go

@@ -381,6 +381,7 @@ func (c *Client) connect(ctx context.Context, caller string) (client *derp.Clien
 	}()
 
 	var node *tailcfg.DERPNode // nil when using c.url to dial
+	var idealNodeInRegion bool
 	switch {
 	case useWebsockets():
 		var urlStr string
@@ -421,6 +422,7 @@ func (c *Client) connect(ctx context.Context, caller string) (client *derp.Clien
 	default:
 		c.logf("%s: connecting to derp-%d (%v)", caller, reg.RegionID, reg.RegionCode)
 		tcpConn, node, err = c.dialRegion(ctx, reg)
+		idealNodeInRegion = err == nil && reg.Nodes[0] == node
 	}
 	if err != nil {
 		return nil, 0, err
@@ -494,6 +496,18 @@ func (c *Client) connect(ctx context.Context, caller string) (client *derp.Clien
 	}
 	req.Header.Set("Upgrade", "DERP")
 	req.Header.Set("Connection", "Upgrade")
+	if !idealNodeInRegion && reg != nil {
+		// This is purely informative for now (2024-07-06) for stats:
+		req.Header.Set("Ideal-Node", reg.Nodes[0].Name)
+		// TODO(bradfitz,raggi): start a time.AfterFunc for 30m-1h or so to
+		// dialNode(reg.Nodes[0]) and see if we can even TCP connect to it. If
+		// so, TLS handshake it as well (which is mixed up in this massive
+		// connect method) and then if it all appears good, grab the mutex, bump
+		// connGen, finish the Upgrade, close the old one, and set a new field
+		// on Client that's like "here's the connect result and connGen for the
+		// next connect that comes in"). Tracking bug for all this is:
+		// https://github.com/tailscale/tailscale/issues/12724
+	}
 
 	if !serverPub.IsZero() && serverProtoVersion != 0 {
 		// parseMetaCert found the server's public key (no TLS

derp/derphttp/derphttp_test.go

@@ -11,7 +11,6 @@ import (
 	"net"
 	"net/http"
 	"net/http/httptest"
-	"net/netip"
 	"sync"
 	"testing"
 	"time"
@@ -299,13 +298,13 @@ func TestBreakWatcherConnRecv(t *testing.T) {
 	go func() {
 		defer wg.Done()
 		var peers int
-		add := func(k key.NodePublic, _ netip.AddrPort) {
-			t.Logf("add: %v", k.ShortString())
+		add := func(m derp.PeerPresentMessage) {
+			t.Logf("add: %v", m.Key.ShortString())
 			peers++
 			// Signal that the watcher has run
 			watcherChan <- peers
 		}
-		remove := func(k key.NodePublic) { t.Logf("remove: %v", k.ShortString()); peers-- }
+		remove := func(m derp.PeerGoneMessage) { t.Logf("remove: %v", m.Peer.ShortString()); peers-- }
 
 		watcher1.RunWatchConnectionLoop(ctx, serverPrivateKey1.Public(), t.Logf, add, remove)
 	}()
@@ -370,15 +369,15 @@ func TestBreakWatcherConn(t *testing.T) {
 	go func() {
 		defer wg.Done()
 		var peers int
-		add := func(k key.NodePublic, _ netip.AddrPort) {
-			t.Logf("add: %v", k.ShortString())
+		add := func(m derp.PeerPresentMessage) {
+			t.Logf("add: %v", m.Key.ShortString())
 			peers++
 			// Signal that the watcher has run
 			watcherChan <- peers
 			// Wait for breaker to run
 			<-breakerChan
 		}
-		remove := func(k key.NodePublic) { t.Logf("remove: %v", k.ShortString()); peers-- }
+		remove := func(m derp.PeerGoneMessage) { t.Logf("remove: %v", m.Peer.ShortString()); peers-- }
 
 		watcher1.RunWatchConnectionLoop(ctx, serverPrivateKey1.Public(), t.Logf, add, remove)
 	}()
@@ -407,8 +406,8 @@ func TestBreakWatcherConn(t *testing.T) {
 	}
 }
 
-func noopAdd(key.NodePublic, netip.AddrPort) {}
-func noopRemove(key.NodePublic)              {}
+func noopAdd(derp.PeerPresentMessage) {}
+func noopRemove(derp.PeerGoneMessage) {}
 
 func TestRunWatchConnectionLoopServeConnect(t *testing.T) {
 	defer func() { testHookWatchLookConnectResult = nil }()

derp/derphttp/mesh_client.go

@@ -5,7 +5,6 @@ package derphttp
 
 import (
 	"context"
-	"net/netip"
 	"sync"
 	"time"
 
@@ -35,9 +34,14 @@ var testHookWatchLookConnectResult func(connectError error, wasSelfConnect bool)
 // To force RunWatchConnectionLoop to return quickly, its ctx needs to be
 // closed, and c itself needs to be closed.
 //
-// It is a fatal error to call this on an already-started Client withoutq having
+// It is a fatal error to call this on an already-started Client without having
 // initialized Client.WatchConnectionChanges to true.
-func (c *Client) RunWatchConnectionLoop(ctx context.Context, ignoreServerKey key.NodePublic, infoLogf logger.Logf, add func(key.NodePublic, netip.AddrPort), remove func(key.NodePublic)) {
+//
+// If the DERP connection breaks and reconnects, remove will be called for all
+// previously seen peers, with Reason type PeerGoneReasonSynthetic. Those
+// clients are likely still connected and their add message will appear after
+// reconnect.
+func (c *Client) RunWatchConnectionLoop(ctx context.Context, ignoreServerKey key.NodePublic, infoLogf logger.Logf, add func(derp.PeerPresentMessage), remove func(derp.PeerGoneMessage)) {
 	if !c.WatchConnectionChanges {
 		if c.isStarted() {
 			panic("invalid use of RunWatchConnectionLoop on already-started Client without setting Client.RunWatchConnectionLoop")
@@ -62,7 +66,7 @@ func (c *Client) RunWatchConnectionLoop(ctx context.Context, ignoreServerKey key
 		}
 		logf("reconnected; clearing %d forwarding mappings", len(present))
 		for k := range present {
-			remove(k)
+			remove(derp.PeerGoneMessage{Peer: k, Reason: derp.PeerGoneReasonMeshConnBroke})
 		}
 		present = map[key.NodePublic]bool{}
 	}
@@ -84,13 +88,7 @@ func (c *Client) RunWatchConnectionLoop(ctx context.Context, ignoreServerKey key
 	})
 	defer timer.Stop()
 
-	updatePeer := func(k key.NodePublic, ipPort netip.AddrPort, isPresent bool) {
-		if isPresent {
-			add(k, ipPort)
-		} else {
-			remove(k)
-		}
-
+	updatePeer := func(k key.NodePublic, isPresent bool) {
 		mu.Lock()
 		defer mu.Unlock()
 		if isPresent {
@@ -148,7 +146,8 @@ func (c *Client) RunWatchConnectionLoop(ctx context.Context, ignoreServerKey key
 			}
 			switch m := m.(type) {
 			case derp.PeerPresentMessage:
-				updatePeer(m.Key, m.IPPort, true)
+				add(m)
+				updatePeer(m.Key, true)
 			case derp.PeerGoneMessage:
 				switch m.Reason {
 				case derp.PeerGoneReasonDisconnected:
@@ -160,7 +159,8 @@ func (c *Client) RunWatchConnectionLoop(ctx context.Context, ignoreServerKey key
 					logf("Recv: peer %s not at server %s for unknown reason %v",
 						key.NodePublic(m.Peer).ShortString(), c.ServerPublicKey().ShortString(), m.Reason)
 				}
-				updatePeer(key.NodePublic(m.Peer), netip.AddrPort{}, false)
+				remove(m)
+				updatePeer(m.Peer, false)
 			default:
 				continue
 			}

derp/xdp/headers/update.go

@@ -1,6 +1,8 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
+// The update program fetches the libbpf headers from the libbpf GitHub repository
+// and writes them to disk.
 package main
 
 import (

derp/xdp/xdp.go

@@ -1,6 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
+// Package xdp contains the XDP STUN program.
 package xdp
 
 // XDPAttachFlags represents how XDP program will be attached to interface. This

derp/xdp/xdp_linux.go

@@ -14,6 +14,7 @@ import (
 	"github.com/cilium/ebpf"
 	"github.com/cilium/ebpf/link"
 	"github.com/prometheus/client_golang/prometheus"
+	"tailscale.com/util/multierr"
 )
 
 //go:generate go run github.com/cilium/ebpf/cmd/bpf2go -type config -type counters_key -type counter_key_af -type counter_key_packets_bytes_action -type counter_key_prog_end bpf xdp.c -- -I headers
@@ -27,6 +28,7 @@ type STUNServer struct {
 	metrics  *stunServerMetrics
 	dstPort  int
 	dropSTUN bool
+	link     link.Link
 }
 
 //lint:ignore U1000 used in xdp_linux_test.go, which has a build tag
@@ -87,7 +89,7 @@ func NewSTUNServer(config *STUNServerConfig, opts ...STUNServerOption) (*STUNSer
 	if err != nil {
 		return nil, fmt.Errorf("error finding device: %w", err)
 	}
-	_, err = link.AttachXDP(link.XDPOptions{
+	link, err := link.AttachXDP(link.XDPOptions{
 		Program:   objs.XdpProgFunc,
 		Interface: iface.Index,
 		Flags:     link.XDPAttachFlags(config.AttachFlags),
@@ -95,6 +97,7 @@ func NewSTUNServer(config *STUNServerConfig, opts ...STUNServerOption) (*STUNSer
 	if err != nil {
 		return nil, fmt.Errorf("error attaching XDP program to dev: %w", err)
 	}
+	server.link = link
 	return server, nil
 }
 
@@ -102,7 +105,12 @@ func NewSTUNServer(config *STUNServerConfig, opts ...STUNServerOption) (*STUNSer
 func (s *STUNServer) Close() error {
 	s.mu.Lock()
 	defer s.mu.Unlock()
-	return s.objs.Close()
+	var errs []error
+	if s.link != nil {
+		errs = append(errs, s.link.Close())
+	}
+	errs = append(errs, s.objs.Close())
+	return multierr.New(errs...)
 }
 
 type stunServerMetrics struct {

envknob/envknob.go

@@ -36,13 +36,19 @@ import (
 )
 
 var (
-	mu          sync.Mutex
-	set         = map[string]string{}
-	regStr      = map[string]*string{}
-	regBool     = map[string]*bool{}
-	regOptBool  = map[string]*opt.Bool{}
+	mu sync.Mutex
+	// +checklocks:mu
+	set = map[string]string{}
+	// +checklocks:mu
+	regStr = map[string]*string{}
+	// +checklocks:mu
+	regBool = map[string]*bool{}
+	// +checklocks:mu
+	regOptBool = map[string]*opt.Bool{}
+	// +checklocks:mu
 	regDuration = map[string]*time.Duration{}
-	regInt      = map[string]*int{}
+	// +checklocks:mu
+	regInt = map[string]*int{}
 )
 
 func noteEnv(k, v string) {
@@ -51,6 +57,7 @@ func noteEnv(k, v string) {
 	noteEnvLocked(k, v)
 }
 
+// +checklocks:mu
 func noteEnvLocked(k, v string) {
 	if v != "" {
 		set[k] = v
@@ -202,6 +209,7 @@ func RegisterInt(envVar string) func() int {
 	return func() int { return *p }
 }
 
+// +checklocks:mu
 func setBoolLocked(p *bool, envVar, val string) {
 	noteEnvLocked(envVar, val)
 	if val == "" {
@@ -215,6 +223,7 @@ func setBoolLocked(p *bool, envVar, val string) {
 	}
 }
 
+// +checklocks:mu
 func setOptBoolLocked(p *opt.Bool, envVar, val string) {
 	noteEnvLocked(envVar, val)
 	if val == "" {
@@ -228,6 +237,7 @@ func setOptBoolLocked(p *opt.Bool, envVar, val string) {
 	p.Set(b)
 }
 
+// +checklocks:mu
 func setDurationLocked(p *time.Duration, envVar, val string) {
 	noteEnvLocked(envVar, val)
 	if val == "" {
@@ -241,6 +251,7 @@ func setDurationLocked(p *time.Duration, envVar, val string) {
 	}
 }
 
+// +checklocks:mu
 func setIntLocked(p *int, envVar, val string) {
 	noteEnvLocked(envVar, val)
 	if val == "" {

flake.nix

@@ -120,4 +120,4 @@
   in
     flake-utils.lib.eachDefaultSystem (system: flakeForSystem nixpkgs system);
 }
-# nix-direnv cache busting line: sha256-ye8puuEDd/CRSy/AHrtLdKVxVASJAdpt6bW3jU2OUvw=
+# nix-direnv cache busting line: sha256-1hekcJr1jEJFu4ZnapNkbAAv+8phTQuMloULIZ0f018=

go.mod

@@ -4,8 +4,6 @@ go 1.22.0
 
 require (
 	filippo.io/mkcert v1.4.4
-	fybrik.io/crdoc v0.6.3
-	github.com/Masterminds/squirrel v1.5.4
 	github.com/akutz/memconn v0.1.0
 	github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa
 	github.com/andybalholm/brotli v1.1.0
@@ -21,17 +19,17 @@ require (
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
 	github.com/creack/pty v1.1.21
 	github.com/dave/courtney v0.4.0
-	github.com/dave/jennifer v1.7.0
 	github.com/dave/patsy v0.0.0-20210517141501-957256f50cba
 	github.com/dblohm7/wingoes v0.0.0-20240119213807-a09d6be7affa
 	github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e
 	github.com/distribution/reference v0.6.0
 	github.com/djherbis/times v1.6.0
 	github.com/dsnet/try v0.0.3
+	github.com/elastic/crd-ref-docs v0.0.12
 	github.com/evanw/esbuild v0.19.11
 	github.com/frankban/quicktest v1.14.6
 	github.com/fxamacker/cbor/v2 v2.6.0
-	github.com/gaissmai/bart v0.4.1
+	github.com/gaissmai/bart v0.11.1
 	github.com/go-json-experiment/json v0.0.0-20231102232822-2e55bd4e08b0
 	github.com/go-logr/zapr v1.3.0
 	github.com/go-ole/go-ole v1.3.0
@@ -45,7 +43,6 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/goreleaser/nfpm/v2 v2.33.1
 	github.com/hdevalence/ed25519consensus v0.2.0
-	github.com/iancoleman/strcase v0.3.0
 	github.com/illarion/gonotify v1.0.1
 	github.com/inetaf/tcpproxy v0.0.0-20240214030015-3ce58045626c
 	github.com/insomniacslk/dhcp v0.0.0-20231206064809-8c70d406f6d2
@@ -78,42 +75,41 @@ require (
 	github.com/tailscale/golang-x-crypto v0.0.0-20240604161659-3fde5e568aa4
 	github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05
 	github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a
-	github.com/tailscale/mkctr v0.0.0-20240102155253-bf50773ba734
+	github.com/tailscale/mkctr v0.0.0-20240628074852-17ca944da6ba
 	github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85
 	github.com/tailscale/peercred v0.0.0-20240214030740-b535050b2aa4
 	github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1
 	github.com/tailscale/wf v0.0.0-20240214030419-6fbb0a674ee6
-	github.com/tailscale/wireguard-go v0.0.0-20240429185444-03c5a0ccf754
-	github.com/tailscale/xnet v0.0.0-20240117122442-62b9a7c569f9
+	github.com/tailscale/wireguard-go v0.0.0-20240731203015-71393c576b98
+	github.com/tailscale/xnet v0.0.0-20240729143630-8497ac4dab2e
 	github.com/tc-hib/winres v0.2.1
 	github.com/tcnksm/go-httpstat v0.2.0
 	github.com/toqueteos/webbrowser v1.2.0
 	github.com/u-root/u-root v0.12.0
 	github.com/vishvananda/netlink v1.2.1-beta.2
 	github.com/vishvananda/netns v0.0.4
-	go.uber.org/zap v1.26.0
+	go.uber.org/zap v1.27.0
 	go4.org/mem v0.0.0-20220726221520-4f986261bf13
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.24.0
+	golang.org/x/crypto v0.25.0
 	golang.org/x/exp v0.0.0-20240119083558-1b970713d09a
-	golang.org/x/mod v0.18.0
-	golang.org/x/net v0.26.0
+	golang.org/x/mod v0.19.0
+	golang.org/x/net v0.27.0
 	golang.org/x/oauth2 v0.16.0
 	golang.org/x/sync v0.7.0
-	golang.org/x/sys v0.21.0
-	golang.org/x/term v0.21.0
+	golang.org/x/sys v0.22.0
+	golang.org/x/term v0.22.0
 	golang.org/x/time v0.5.0
-	golang.org/x/tools v0.22.0
+	golang.org/x/tools v0.23.0
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2
 	golang.zx2c4.com/wireguard/windows v0.5.3
 	gopkg.in/square/go-jose.v2 v2.6.0
-	gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3
+	gvisor.dev/gvisor v0.0.0-20240722211153-64c016c92987
 	honnef.co/go/tools v0.4.6
-	k8s.io/api v0.30.1
-	k8s.io/apimachinery v0.30.1
-	k8s.io/apiserver v0.30.1
-	k8s.io/client-go v0.30.1
-	modernc.org/sqlite v1.29.10
+	k8s.io/api v0.30.3
+	k8s.io/apimachinery v0.30.3
+	k8s.io/apiserver v0.30.3
+	k8s.io/client-go v0.30.3
 	nhooyr.io/websocket v1.8.10
 	sigs.k8s.io/controller-runtime v0.18.4
 	sigs.k8s.io/controller-tools v0.15.1-0.20240618033008-7824932b0cab
@@ -122,26 +118,27 @@ require (
 )
 
 require (
+	github.com/Masterminds/sprig v2.22.0+incompatible // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/bits-and-blooms/bitset v1.13.0 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.4 // indirect
 	github.com/dave/astrid v0.0.0-20170323122508-8c2895878b14 // indirect
 	github.com/dave/brenda v1.1.0 // indirect
-	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/gobuffalo/flect v1.0.2 // indirect
+	github.com/goccy/go-yaml v1.12.0 // indirect
 	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
+	github.com/google/pprof v0.0.0-20240409012703-83162a5b38cd // indirect
 	github.com/gorilla/securecookie v1.1.2 // indirect
-	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
-	github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
-	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
-	github.com/ncruces/go-strftime v0.1.9 // indirect
-	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
-	modernc.org/gc/v3 v3.0.0-20240107210532-573471604cb6 // indirect
-	modernc.org/libc v1.49.3 // indirect
-	modernc.org/mathutil v1.6.0 // indirect
-	modernc.org/memory v1.8.0 // indirect
-	modernc.org/strutil v1.2.0 // indirect
-	modernc.org/token v1.1.0 // indirect
+	github.com/moby/docker-image-spec v1.3.1 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0 // indirect
+	go.opentelemetry.io/otel v1.22.0 // indirect
+	go.opentelemetry.io/otel/metric v1.22.0 // indirect
+	go.opentelemetry.io/otel/trace v1.22.0 // indirect
+	golang.org/x/xerrors v0.0.0-20240716161551-93cc26a95ae9 // indirect
 )
 
 require (
@@ -201,7 +198,7 @@ require (
 	github.com/denis-tingaikin/go-header v0.4.3 // indirect
 	github.com/docker/cli v25.0.0+incompatible // indirect
 	github.com/docker/distribution v2.8.3+incompatible // indirect
-	github.com/docker/docker v25.0.5+incompatible // indirect
+	github.com/docker/docker v26.1.4+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.8.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.11.2 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
@@ -209,7 +206,7 @@ require (
 	github.com/ettle/strcase v0.1.1 // indirect
 	github.com/evanphx/json-patch v5.6.0+incompatible // indirect
 	github.com/evanphx/json-patch/v5 v5.9.0 // indirect
-	github.com/fatih/color v1.16.0 // indirect
+	github.com/fatih/color v1.17.0 // indirect
 	github.com/fatih/structtag v1.2.0 // indirect
 	github.com/firefart/nonamedreturns v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0
@@ -218,7 +215,7 @@ require (
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-git/go-billy/v5 v5.5.0 // indirect
 	github.com/go-git/go-git/v5 v5.11.0 // indirect
-	github.com/go-logr/logr v1.4.1 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-openapi/jsonpointer v0.20.2 // indirect
 	github.com/go-openapi/jsonreference v0.20.4 // indirect
 	github.com/go-openapi/swag v0.22.7 // indirect
@@ -260,7 +257,7 @@ require (
 	github.com/hashicorp/go-version v1.6.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/hexops/gotextdiff v1.0.3 // indirect
-	github.com/huandu/xstrings v1.4.0 // indirect
+	github.com/huandu/xstrings v1.5.0 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
@@ -345,14 +342,14 @@ require (
 	github.com/sourcegraph/go-diff v0.7.0 // indirect
 	github.com/spf13/afero v1.9.5 // indirect
 	github.com/spf13/cast v1.6.0 // indirect
-	github.com/spf13/cobra v1.8.0 // indirect
+	github.com/spf13/cobra v1.8.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.16.0 // indirect
 	github.com/ssgreg/nlreturn/v2 v2.2.1 // indirect
 	github.com/stbenjam/no-sprintf-host-port v0.1.1 // indirect
-	github.com/stretchr/objx v0.5.0 // indirect
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/stretchr/testify v1.9.0
 	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/t-yuki/gocover-cobertura v0.0.0-20180217150009-aaee18c8195c // indirect
 	github.com/tailscale/go-winio v0.0.0-20231025203758-c4f33415bf55
@@ -376,7 +373,7 @@ require (
 	gitlab.com/digitalxero/go-conventional-commit v1.0.7 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp/typeparams v0.0.0-20240119083558-1b970713d09a // indirect
-	golang.org/x/image v0.15.0 // indirect
+	golang.org/x/image v0.18.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
@@ -387,10 +384,10 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1
 	howett.net/plist v1.0.0 // indirect
-	k8s.io/apiextensions-apiserver v0.30.1 // indirect
-	k8s.io/klog/v2 v2.120.1 // indirect
+	k8s.io/apiextensions-apiserver v0.30.3 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect
-	k8s.io/utils v0.0.0-20240102154912-e7106e64919e
+	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8
 	mvdan.cc/gofumpt v0.5.0 // indirect
 	mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed // indirect
 	mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b // indirect

go.mod.sri

@@ -1 +1 @@
-sha256-ye8puuEDd/CRSy/AHrtLdKVxVASJAdpt6bW3jU2OUvw=
+sha256-1hekcJr1jEJFu4ZnapNkbAAv+8phTQuMloULIZ0f018=

go.sum

@@ -46,8 +46,6 @@ filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 filippo.io/mkcert v1.4.4 h1:8eVbbwfVlaqUM7OwuftKc2nuYOoTDQWqsoXmzoXZdbc=
 filippo.io/mkcert v1.4.4/go.mod h1:VyvOchVuAye3BoUsPUOOofKygVwLV2KQMVFJNRq+1dA=
-fybrik.io/crdoc v0.6.3 h1:jNNAVINu8up5vrLa0jrV7z7HSlyHF/6lNOrAtrXwYlI=
-fybrik.io/crdoc v0.6.3/go.mod h1:kvZRt7VAzOyrmDpIqREtcKAVFSJYEBoAyniYebsJGtQ=
 github.com/Abirdcfly/dupword v0.0.11 h1:z6v8rMETchZXUIuHxYNmlUAuKuB21PeaSymTed16wgU=
 github.com/Abirdcfly/dupword v0.0.11/go.mod h1:wH8mVGuf3CP5fsBTkfWwwwKTjDnVVCxtU8d8rgeVYXA=
 github.com/AlekSi/pointer v1.2.0 h1:glcy/gc4h8HnG2Z3ZECSzZ1IX1x2JxRVuDzaJwQE0+w=
@@ -56,6 +54,8 @@ github.com/Antonboom/errname v0.1.9 h1:BZDX4r3l4TBZxZ2o2LNrlGxSHran4d1u4veZdoORT
 github.com/Antonboom/errname v0.1.9/go.mod h1:nLTcJzevREuAsgTbG85UsuiWpMpAqbKD1HNZ29OzE58=
 github.com/Antonboom/nilnil v0.1.4 h1:yWIfwbCRDpJiJvs7Quz55dzeXCgORQyAG29N9/J5H2Q=
 github.com/Antonboom/nilnil v0.1.4/go.mod h1:iOov/7gRcXkeEU+EMGpBu2ORih3iyVEiWjeste1SJm8=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
 github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
@@ -73,10 +73,10 @@ github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF0
 github.com/Masterminds/semver/v3 v3.2.0/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
 github.com/Masterminds/semver/v3 v3.2.1 h1:RN9w6+7QoMeJVGyfmbcgs28Br8cvmnucEXnY0rYXWg0=
 github.com/Masterminds/semver/v3 v3.2.1/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
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@@ -194,6 +194,9 @@ github.com/caarlos0/testfs v0.4.4 h1:3PHvzHi5Lt+g332CiShwS8ogTgS3HjrmzZxCm6JCDr8
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@@ -215,13 +218,15 @@ github.com/cloudflare/circl v1.3.7/go.mod h1:sRTcRWXGLrKw6yIGJ+l7amYJFfAXbZG0kBS
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@@ -237,8 +242,6 @@ github.com/dave/brenda v1.1.0 h1:Sl1LlwXnbw7xMhq3y2x11McFu43AjDcwkllxxgZ3EZw=
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@@ -259,14 +262,18 @@ github.com/docker/cli v25.0.0+incompatible h1:zaimaQdnX7fYWFqzN88exE9LDEvRslexpF
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@@ -289,10 +296,12 @@ github.com/evanphx/json-patch/v5 v5.9.0 h1:kcBlZQbplgElYIlo/n1hJbls2z/1awpXxpRi0
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@@ -303,8 +312,8 @@ github.com/fxamacker/cbor/v2 v2.6.0 h1:sU6J2usfADwWlYDAFhZBQ6TnLFBHxgesMrQfQgk1t
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@@ -330,8 +339,11 @@ github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vb
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@@ -342,6 +354,12 @@ github.com/go-openapi/jsonreference v0.20.4 h1:bKlDxQxQJgwpUSgOENiMPzCTBVuc7vTdX
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@@ -371,6 +389,8 @@ github.com/gobuffalo/flect v1.0.2 h1:eqjPGSo2WmjgY2XlpGwo2NXgL3RucAKo4k4qQMNA5sA
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@@ -512,6 +532,9 @@ github.com/gostaticanalysis/nilerr v0.1.1/go.mod h1:wZYb6YI5YAxxq0i1+VJbY0s2YONW
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@@ -914,10 +934,10 @@ github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1 h1:t
 github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1/go.mod h1:agQPE6y6ldqCOui2gkIh7ZMztTkIQKH049tv8siLuNQ=
 github.com/tailscale/wf v0.0.0-20240214030419-6fbb0a674ee6 h1:l10Gi6w9jxvinoiq15g8OToDdASBni4CyJOdHY1Hr8M=
 github.com/tailscale/wf v0.0.0-20240214030419-6fbb0a674ee6/go.mod h1:ZXRML051h7o4OcI0d3AaILDIad/Xw0IkXaHM17dic1Y=
-github.com/tailscale/wireguard-go v0.0.0-20240429185444-03c5a0ccf754 h1:iazWjqVHE6CbNam7WXRhi33Qad5o7a8LVYgVoILpZdI=
-github.com/tailscale/wireguard-go v0.0.0-20240429185444-03c5a0ccf754/go.mod h1:BOm5fXUBFM+m9woLNBoxI9TaBXXhGNP50LX/TGIvGb4=
-github.com/tailscale/xnet v0.0.0-20240117122442-62b9a7c569f9 h1:81P7rjnikHKTJ75EkjppvbwUfKHDHYk6LJpO5PZy8pA=
-github.com/tailscale/xnet v0.0.0-20240117122442-62b9a7c569f9/go.mod h1:orPd6JZXXRyuDusYilywte7k094d7dycXXU5YnWsrwg=
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+github.com/tailscale/wireguard-go v0.0.0-20240731203015-71393c576b98/go.mod h1:BOm5fXUBFM+m9woLNBoxI9TaBXXhGNP50LX/TGIvGb4=
+github.com/tailscale/xnet v0.0.0-20240729143630-8497ac4dab2e h1:zOGKqN5D5hHhiYUp091JqK7DPCqSARyUfduhGUY8Bek=
+github.com/tailscale/xnet v0.0.0-20240729143630-8497ac4dab2e/go.mod h1:orPd6JZXXRyuDusYilywte7k094d7dycXXU5YnWsrwg=
 github.com/tc-hib/winres v0.2.1 h1:YDE0FiP0VmtRaDn7+aaChp1KiF4owBiJa5l964l5ujA=
 github.com/tc-hib/winres v0.2.1/go.mod h1:C/JaNhH3KBvhNKVbvdlDWkbMDO9H4fKKDaN7/07SSuk=
 github.com/tcnksm/go-httpstat v0.2.0 h1:rP7T5e5U2HfmOBmZzGgGZjBQ5/GluWUylujl0tJ04I0=
@@ -988,12 +1008,28 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0 h1:sv9kVfal0MK0wBMCOGr+HeJm9v803BkJxGrk2au7j08=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.47.0/go.mod h1:SK2UL73Zy1quvRPonmOmRDiWk1KBV3LyIeeIxcEApWw=
+go.opentelemetry.io/otel v1.22.0 h1:xS7Ku+7yTFvDfDraDIJVpw7XPyuHlB9MCiqqX5mcJ6Y=
+go.opentelemetry.io/otel v1.22.0/go.mod h1:eoV4iAi3Ea8LkAEI9+GFT44O6T/D0GWAVFyZVCC6pMI=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.22.0 h1:9M3+rhx7kZCIQQhQRYaZCdNu1V73tm4TvXs2ntl98C4=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.22.0/go.mod h1:noq80iT8rrHP1SfybmPiRGc9dc5M8RPmGvtwo7Oo7tc=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.22.0 h1:FyjCyI9jVEfqhUh2MoSkmolPjfh5fp2hnV0b0irxH4Q=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.22.0/go.mod h1:hYwym2nDEeZfG/motx0p7L7J1N1vyzIThemQsb4g2qY=
+go.opentelemetry.io/otel/metric v1.22.0 h1:lypMQnGyJYeuYPhOM/bgjbFM6WE44W1/T45er4d8Hhg=
+go.opentelemetry.io/otel/metric v1.22.0/go.mod h1:evJGjVpZv0mQ5QBRJoBF64yMuOf4xCWdXjK8pzFvliY=
+go.opentelemetry.io/otel/sdk v1.22.0 h1:6coWHw9xw7EfClIC/+O31R8IY3/+EiRFHevmHafB2Gw=
+go.opentelemetry.io/otel/sdk v1.22.0/go.mod h1:iu7luyVGYovrRpe2fmj3CVKouQNdTOkxtLzPvPz1DOc=
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 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
-go.uber.org/zap v1.26.0 h1:sI7k6L95XOKS281NhVKOFCUNIvv9e0w4BF8N3u+tCRo=
-go.uber.org/zap v1.26.0/go.mod h1:dtElttAiwGvoJ/vj4IwHBS/gXsEu/pZ50mUIRWuG0so=
+go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 go4.org/mem v0.0.0-20220726221520-4f986261bf13 h1:CbZeCBZ0aZj8EfVgnqQcYZgf0lpZ3H9rmp5nkDTAst8=
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@@ -1012,8 +1048,8 @@ golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw
 golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
 golang.org/x/crypto v0.3.1-0.20221117191849-2c476679df9a/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
 golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
-golang.org/x/crypto v0.24.0 h1:mnl8DM0o513X8fdIkmyFE/5hTYxbwYOjDS/+rK6qpRI=
-golang.org/x/crypto v0.24.0/go.mod h1:Z1PMYSOR5nyMcyAVAIQSKCDwalqy85Aqn1x3Ws4L5DM=
+golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
+golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -1032,8 +1068,8 @@ golang.org/x/exp/typeparams v0.0.0-20240119083558-1b970713d09a h1:8qmSSA8Gz/1kTr
 golang.org/x/exp/typeparams v0.0.0-20240119083558-1b970713d09a/go.mod h1:AbB0pIl9nAr9wVwH+Z2ZpaocVmF5I4GyWCDIsVjR0bk=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.15.0 h1:kOELfmgrmJlw4Cdb7g/QGuB3CvDrXbqEIww/pNtNBm8=
-golang.org/x/image v0.15.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=
+golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
+golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -1062,8 +1098,8 @@ golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91
 golang.org/x/mod v0.6.0/go.mod h1:4mET923SAdbXp2ki8ey+zGs1SLqsuM2Y0uvdZR/fUNI=
 golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
-golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
+golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -1108,8 +1144,8 @@ golang.org/x/net v0.3.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
-golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
-golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
+golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
+golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1203,8 +1239,8 @@ golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.4.1-0.20230131160137-e7d7f63158de/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
-golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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 golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -1213,8 +1249,8 @@ golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
 golang.org/x/term v0.4.0/go.mod h1:9P2UbLfCdcvo3p/nzKvsmas4TnlujnuoV9hGgYzW1lQ=
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 golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
-golang.org/x/term v0.21.0 h1:WVXCp+/EBEHOj53Rvu+7KiT/iElMrO8ACK16SMZ3jaA=
-golang.org/x/term v0.21.0/go.mod h1:ooXLefLobQVslOqselCNF4SxFAaoS6KujMbsGzSDmX0=
+golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk=
+golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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@@ -1309,12 +1345,14 @@ golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
 golang.org/x/tools v0.4.0/go.mod h1:UE5sM2OK9E/d67R0ANs2xJizIymRP5gJU295PvKXxjQ=
 golang.org/x/tools v0.5.0/go.mod h1:N+Kgy78s5I24c24dU8OfWNEotWjutIs8SnJvn5IDq+k=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
-golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
+golang.org/x/tools v0.23.0 h1:SGsXPZ+2l4JsgaCKkx+FQ9YZ5XEtA1GZYuoDjenLjvg=
+golang.org/x/tools v0.23.0/go.mod h1:pnu6ufv6vQkll6szChhK3C3L/ruaIv5eBeztNG8wtsI=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20240716161551-93cc26a95ae9 h1:LLhsEBxRTBLuKlQxFBYUOU8xyFgXv6cOTp2HASDlsDk=
+golang.org/x/xerrors v0.0.0-20240716161551-93cc26a95ae9/go.mod h1:NDW/Ps6MPRej6fsCIbMTohpP40sJ/P/vI1MoTEGwX90=
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeunTOisW56dUokqW/FOteYJJ/yg=
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
 golang.zx2c4.com/wireguard/windows v0.5.3 h1:On6j2Rpn3OEMXqBq00QEDC7bWSZrPIHKIus8eIuExIE=
@@ -1385,6 +1423,11 @@ google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210108203827-ffc7fda8c3d7/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210226172003-ab064af71705/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20240102182953-50ed04b92917 h1:nz5NESFLZbJGPFxDT/HCn+V1mZ8JGNoY4nUpmW/Y2eg=
+google.golang.org/genproto/googleapis/api v0.0.0-20240116215550-a9fa1716bcac h1:OZkkudMUu9LVQMCoRUbI/1p5VCo9BOrlvkqMvWtqa6s=
+google.golang.org/genproto/googleapis/api v0.0.0-20240116215550-a9fa1716bcac/go.mod h1:B5xPO//w8qmBDjGReYLpR6UJPnkldGkCSMoH/2vxJeg=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240116215550-a9fa1716bcac h1:nUQEQmH/csSvFECKYRv6HWEyypysidKl2I6Qpsglq/0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240116215550-a9fa1716bcac/go.mod h1:daQN87bsDqDoe316QbbvX60nMoJQa4r6Ds0ZuoAe5yA=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -1401,6 +1444,8 @@ google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
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 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
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@@ -1446,8 +1491,8 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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-gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3 h1:/8/t5pz/mgdRXhYOIeqqYhFAQLE4DDGegc0Y4ZjyFJM=
-gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3/go.mod h1:NQHVAzMwvZ+Qe3ElSiHmq9RUm1MdNHpUZ52fiEqvn+0=
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@@ -1459,48 +1504,22 @@ honnef.co/go/tools v0.4.6 h1:oFEHCKeID7to/3autwsWfnuv69j3NsfcXbvJKuIcep8=
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go.toolchain.rev

@@ -1 +1 @@
-4d101c0f2d2a234b8902bfff5fadb16070201f0a
+2f152a4eff5875655a9a84fce8f8d329f8d9a321

gokrazy/tsapp/builddir/tailscale.com/cmd/tailscale/go.mod

@@ -1,5 +0,0 @@
-module gokrazy/build/tsapp
-
-go 1.22.2
-
-require tailscale.com v1.66.4 // indirect

gokrazy/tsapp/builddir/tailscale.com/cmd/tailscale/go.sum

@@ -1,86 +0,0 @@
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-github.com/peterbourgon/ff/v3 v3.4.0 h1:QBvM/rizZM1cB0p0lGMdmR7HxZeI/ZrBWB4DqLkMUBc=
-github.com/peterbourgon/ff/v3 v3.4.0/go.mod h1:zjJVUhx+twciwfDl0zBcFzl4dW8axCRyXE/eKY9RztQ=
-github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
-github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
-github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05 h1:4chzWmimtJPxRs2O36yuGRW3f9SYV+bMTTvMBI0EKio=
-github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05/go.mod h1:PdCqy9JzfWMJf1H5UJW2ip33/d4YkoKN0r67yKH1mG8=
-github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85 h1:zrsUcqrG2uQSPhaUPjUQwozcRdDdSxxqhNgNZ3drZFk=
-github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85/go.mod h1:NzVQi3Mleb+qzq8VmcWpSkcSYxXIg0DkI6XDzpVkhJ0=
-github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1 h1:tdUdyPqJ0C97SJfjB9tW6EylTtreyee9C44de+UBG0g=
-github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1/go.mod h1:agQPE6y6ldqCOui2gkIh7ZMztTkIQKH049tv8siLuNQ=
-github.com/tcnksm/go-httpstat v0.2.0 h1:rP7T5e5U2HfmOBmZzGgGZjBQ5/GluWUylujl0tJ04I0=
-github.com/tcnksm/go-httpstat v0.2.0/go.mod h1:s3JVJFtQxtBEBC9dwcdTTXS9xFnM3SXAZwPG41aurT8=
-github.com/toqueteos/webbrowser v1.2.0 h1:tVP/gpK69Fx+qMJKsLE7TD8LuGWPnEV71wBN9rrstGQ=
-github.com/toqueteos/webbrowser v1.2.0/go.mod h1:XWoZq4cyp9WeUeak7w7LXRUQf1F1ATJMir8RTqb4ayM=
-github.com/vishvananda/netlink v1.2.1-beta.2 h1:Llsql0lnQEbHj0I1OuKyp8otXp0r3q0mPkuhwHfStVs=
-github.com/vishvananda/netlink v1.2.1-beta.2/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
-github.com/vishvananda/netns v0.0.4 h1:Oeaw1EM2JMxD51g9uhtC0D7erkIjgmj8+JZc26m1YX8=
-github.com/vishvananda/netns v0.0.4/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=
-github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
-github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
-go4.org/mem v0.0.0-20220726221520-4f986261bf13 h1:CbZeCBZ0aZj8EfVgnqQcYZgf0lpZ3H9rmp5nkDTAst8=
-go4.org/mem v0.0.0-20220726221520-4f986261bf13/go.mod h1:reUoABIJ9ikfM5sgtSF3Wushcza7+WeD01VB9Lirh3g=
-go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBseWJUpBw5I82+2U4M=
-go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
-golang.org/x/exp v0.0.0-20240119083558-1b970713d09a h1:Q8/wZp0KX97QFTc2ywcOE0YRjZPVIx+MXInMzdvQqcA=
-golang.org/x/exp v0.0.0-20240119083558-1b970713d09a/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
-golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
-golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
-golang.org/x/oauth2 v0.16.0 h1:aDkGMBSYxElaoP81NpoUoz2oo2R2wHdZpGToUxfyQrQ=
-golang.org/x/oauth2 v0.16.0/go.mod h1:hqZ+0LWXsiVoZpeld6jVt06P3adbS2Uu911W1SsJv2o=
-golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
-golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
-k8s.io/client-go v0.29.1 h1:19B/+2NGEwnFLzt0uB5kNJnfTsbV8w6TgQRz9l7ti7A=
-k8s.io/client-go v0.29.1/go.mod h1:TDG/psL9hdet0TI9mGyHJSgRkW3H9JZk2dNEUS7bRks=
-nhooyr.io/websocket v1.8.10 h1:mv4p+MnGrLDcPlBoWsvPP7XCzTYMXP9F9eIGoKbgx7Q=
-nhooyr.io/websocket v1.8.10/go.mod h1:rN9OFWIUwuxg4fR5tELlYC04bXYowCP9GX47ivo2l+c=
-sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
-sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=
-software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k=
-software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=
-tailscale.com v1.66.4 h1:V0vTQah3xi2/zbsxJeOfl5QbO1WJPeD9TMlfL0daXqc=
-tailscale.com v1.66.4/go.mod h1:99BIV4U3UPw36Sva04xK2ZsEpVRUkY9jCdEDSAhaNGM=

gokrazy/tsapp/builddir/tailscale.com/cmd/tailscaled/go.mod

@@ -1,5 +0,0 @@
-module gokrazy/build/tsapp
-
-go 1.22.2
-
-require tailscale.com v1.66.4 // indirect

gokrazy/tsapp/builddir/tailscale.com/go.mod

@@ -0,0 +1,9 @@
+module gokrazy/build/tsapp
+
+go 1.22.0
+
+toolchain go1.22.2
+
+replace tailscale.com => ../../../..
+
+require tailscale.com v0.0.0-00010101000000-000000000000 // indirect

gokrazy/tsapp/builddir/tailscale.com/go.sum

@@ -40,10 +40,10 @@ github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e h1:vUmf0yez
 github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e/go.mod h1:YTIHhz/QFSYnu/EhlF2SpU2Uk+32abacUYA5ZPljz1A=
 github.com/djherbis/times v1.6.0 h1:w2ctJ92J8fBvWPxugmXIv7Nz7Q3iDMKNx9v5ocVH20c=
 github.com/djherbis/times v1.6.0/go.mod h1:gOHeRAz2h+VJNZ5Gmc/o7iD9k4wW7NMVqieYCY99oc0=
-github.com/fxamacker/cbor/v2 v2.5.0 h1:oHsG0V/Q6E/wqTS2O1Cozzsy69nqCiguo5Q1a1ADivE=
-github.com/fxamacker/cbor/v2 v2.5.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
-github.com/gaissmai/bart v0.4.1 h1:G1t58voWkNmT47lBDawH5QhtTDsdqRIO+ftq5x4P9Ls=
-github.com/gaissmai/bart v0.4.1/go.mod h1:KHeYECXQiBjTzQz/om2tqn3sZF1J7hw9m6z41ftj3fg=
+github.com/fxamacker/cbor/v2 v2.6.0 h1:sU6J2usfADwWlYDAFhZBQ6TnLFBHxgesMrQfQgk1tWA=
+github.com/fxamacker/cbor/v2 v2.6.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ=
+github.com/gaissmai/bart v0.11.1 h1:5Uv5XwsaFBRo4E5VBcb9TzY8B7zxFf+U7isDxqOrRfc=
+github.com/gaissmai/bart v0.11.1/go.mod h1:KHeYECXQiBjTzQz/om2tqn3sZF1J7hw9m6z41ftj3fg=
 github.com/go-json-experiment/json v0.0.0-20231102232822-2e55bd4e08b0 h1:ymLjT4f35nQbASLnvxEde4XOBL+Sn7rFuV+FOJqkljg=
 github.com/go-json-experiment/json v0.0.0-20231102232822-2e55bd4e08b0/go.mod h1:6daplAwHHGbUGib4990V3Il26O0OC4aRyvewaaAihaA=
 github.com/godbus/dbus/v5 v5.1.1-0.20230522191255-76236955d466 h1:sQspH8M4niEijh3PFscJRLDnkL547IeP7kpPe3uUhEg=
@@ -54,8 +54,8 @@ github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU=
 github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
 github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806 h1:wG8RYIyctLhdFk6Vl1yPGtSRtwGpVkWyZww1OCil2MI=
 github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806/go.mod h1:Beg6V6zZ3oEn0JuiUQ4wqwuyqqzasOltcoXPtgLbFp4=
-github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
-github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/csrf v1.7.2 h1:oTUjx0vyf2T+wkrx09Trsev1TE+/EbDAeHtSTbtC2eI=
 github.com/gorilla/csrf v1.7.2/go.mod h1:F1Fj3KG23WYHE6gozCmBAezKookxbIvUJT+121wTuLk=
 github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
@@ -74,12 +74,18 @@ github.com/josharian/native v1.1.1-0.20230202152459-5c7d0dd6ab86 h1:elKwZS1OcdQ0
 github.com/josharian/native v1.1.1-0.20230202152459-5c7d0dd6ab86/go.mod h1:aFAMtuldEgx/4q7iSGazk22+IcgvtiC+HIimFO9XlS8=
 github.com/jsimonetti/rtnetlink v1.4.0 h1:Z1BF0fRgcETPEa0Kt0MRk3yV5+kF1FWTni6KUFKrq2I=
 github.com/jsimonetti/rtnetlink v1.4.0/go.mod h1:5W1jDvWdnthFJ7fxYX1GMK07BUpI4oskfOqvPteYS6E=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/klauspost/compress v1.17.4 h1:Ej5ixsIri7BrIjBkRZLTo6ghwrEtHFk7ijlczPW4fZ4=
 github.com/klauspost/compress v1.17.4/go.mod h1:/dCuZOvVtNoHsyb+cuJD3itjs3NbnF6KH9zAO4BDxPM=
 github.com/kortschak/wol v0.0.0-20200729010619-da482cc4850a h1:+RR6SqnTkDLWyICxS1xpjCi/3dhyV+TgZwA6Ww3KncQ=
 github.com/kortschak/wol v0.0.0-20200729010619-da482cc4850a/go.mod h1:YTtCCM3ryyfiu4F7t8HQ1mxvp1UBdWM2r6Xa+nGWvDk=
 github.com/kr/fs v0.1.0 h1:Jskdu9ieNAYnjxsi0LbQp1ulIKZV1LAFgK1tWhpZgl8=
 github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mdlayher/genetlink v1.3.2 h1:KdrNKe+CTu+IbZnm/GVUMXSqBBLqcGpRDa0xkQy56gw=
 github.com/mdlayher/genetlink v1.3.2/go.mod h1:tcC3pkCrPUGIKKsCsp0B3AdaaKuHtaxoJRz3cc+528o=
 github.com/mdlayher/netlink v1.7.2 h1:/UtM3ofJap7Vl4QWCPDGXY8d3GIY2UGSDbK+QWmY8/g=
@@ -92,14 +98,18 @@ github.com/miekg/dns v1.1.58 h1:ca2Hdkz+cDg/7eNF6V56jjzuZ4aCAE+DbVkILdQWG/4=
 github.com/miekg/dns v1.1.58/go.mod h1:Ypv+3b/KadlvW9vJfXOTf300O4UqaHFzFCuHz+rPkBY=
 github.com/mitchellh/go-ps v1.0.0 h1:i6ampVEEF4wQFF+bkYfwYgY+F/uYJDktmvLPf7qIgjc=
 github.com/mitchellh/go-ps v1.0.0/go.mod h1:J4lOc8z8yJs6vUwklHw2XEIiT4z4C40KtWVN3nvg8Pg=
+github.com/peterbourgon/ff/v3 v3.4.0 h1:QBvM/rizZM1cB0p0lGMdmR7HxZeI/ZrBWB4DqLkMUBc=
+github.com/peterbourgon/ff/v3 v3.4.0/go.mod h1:zjJVUhx+twciwfDl0zBcFzl4dW8axCRyXE/eKY9RztQ=
 github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ=
 github.com/pierrec/lz4/v4 v4.1.21/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
 github.com/pkg/sftp v1.13.6 h1:JFZT4XbOU7l77xGSpOdW+pwIMqP044IyjXX6FGyEKFo=
 github.com/pkg/sftp v1.13.6/go.mod h1:tz1ryNURKu77RL+GuCzmoJYxQczL3wLNNpPWagdg4Qk=
 github.com/safchain/ethtool v0.3.0 h1:gimQJpsI6sc1yIqP/y8GYgiXn/NjgvpM0RNoWLVVmP0=
 github.com/safchain/ethtool v0.3.0/go.mod h1:SA9BwrgyAqNo7M+uaL6IYbxpm5wk3L7Mm6ocLW+CJUs=
-github.com/tailscale/golang-x-crypto v0.0.0-20240108194725-7ce1f622c780 h1:U0J2CUrrTcc2wmr9tSLYEo+USfwNikRRsmxVLD4eZ7E=
-github.com/tailscale/golang-x-crypto v0.0.0-20240108194725-7ce1f622c780/go.mod h1:ikbF+YT089eInTp9f2vmvy4+ZVnW5hzX1q2WknxSprQ=
+github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
+github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
+github.com/tailscale/golang-x-crypto v0.0.0-20240604161659-3fde5e568aa4 h1:rXZGgEa+k2vJM8xT0PoSKfVXwFGPQ3z3CJfmnHJkZZw=
+github.com/tailscale/golang-x-crypto v0.0.0-20240604161659-3fde5e568aa4/go.mod h1:ikbF+YT089eInTp9f2vmvy4+ZVnW5hzX1q2WknxSprQ=
 github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05 h1:4chzWmimtJPxRs2O36yuGRW3f9SYV+bMTTvMBI0EKio=
 github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05/go.mod h1:PdCqy9JzfWMJf1H5UJW2ip33/d4YkoKN0r67yKH1mG8=
 github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a h1:SJy1Pu0eH1C29XwJucQo73FrleVK6t4kYz4NVhp34Yw=
@@ -110,12 +120,14 @@ github.com/tailscale/peercred v0.0.0-20240214030740-b535050b2aa4 h1:Gz0rz40FvFVL
 github.com/tailscale/peercred v0.0.0-20240214030740-b535050b2aa4/go.mod h1:phI29ccmHQBc+wvroosENp1IF9195449VDnFDhJ4rJU=
 github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1 h1:tdUdyPqJ0C97SJfjB9tW6EylTtreyee9C44de+UBG0g=
 github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1/go.mod h1:agQPE6y6ldqCOui2gkIh7ZMztTkIQKH049tv8siLuNQ=
-github.com/tailscale/wireguard-go v0.0.0-20240429185444-03c5a0ccf754 h1:iazWjqVHE6CbNam7WXRhi33Qad5o7a8LVYgVoILpZdI=
-github.com/tailscale/wireguard-go v0.0.0-20240429185444-03c5a0ccf754/go.mod h1:BOm5fXUBFM+m9woLNBoxI9TaBXXhGNP50LX/TGIvGb4=
+github.com/tailscale/wireguard-go v0.0.0-20240705152531-2f5d148bcfe1 h1:ycpNCSYwzZ7x4G4ioPNtKQmIY0G/3o4pVf8wCZq6blY=
+github.com/tailscale/wireguard-go v0.0.0-20240705152531-2f5d148bcfe1/go.mod h1:BOm5fXUBFM+m9woLNBoxI9TaBXXhGNP50LX/TGIvGb4=
 github.com/tailscale/xnet v0.0.0-20240117122442-62b9a7c569f9 h1:81P7rjnikHKTJ75EkjppvbwUfKHDHYk6LJpO5PZy8pA=
 github.com/tailscale/xnet v0.0.0-20240117122442-62b9a7c569f9/go.mod h1:orPd6JZXXRyuDusYilywte7k094d7dycXXU5YnWsrwg=
 github.com/tcnksm/go-httpstat v0.2.0 h1:rP7T5e5U2HfmOBmZzGgGZjBQ5/GluWUylujl0tJ04I0=
 github.com/tcnksm/go-httpstat v0.2.0/go.mod h1:s3JVJFtQxtBEBC9dwcdTTXS9xFnM3SXAZwPG41aurT8=
+github.com/toqueteos/webbrowser v1.2.0 h1:tVP/gpK69Fx+qMJKsLE7TD8LuGWPnEV71wBN9rrstGQ=
+github.com/toqueteos/webbrowser v1.2.0/go.mod h1:XWoZq4cyp9WeUeak7w7LXRUQf1F1ATJMir8RTqb4ayM=
 github.com/u-root/u-root v0.12.0 h1:K0AuBFriwr0w/PGS3HawiAw89e3+MU7ks80GpghAsNs=
 github.com/u-root/u-root v0.12.0/go.mod h1:FYjTOh4IkIZHhjsd17lb8nYW6udgXdJhG1c0r6u0arI=
 github.com/u-root/uio v0.0.0-20240118234441-a3c409a6018e h1:BA9O3BmlTmpjbvajAwzWx4Wo2TRVdpPXZEeemGQcajw=
@@ -130,25 +142,41 @@ go4.org/mem v0.0.0-20220726221520-4f986261bf13 h1:CbZeCBZ0aZj8EfVgnqQcYZgf0lpZ3H
 go4.org/mem v0.0.0-20220726221520-4f986261bf13/go.mod h1:reUoABIJ9ikfM5sgtSF3Wushcza7+WeD01VB9Lirh3g=
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBseWJUpBw5I82+2U4M=
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
+golang.org/x/crypto v0.24.0 h1:mnl8DM0o513X8fdIkmyFE/5hTYxbwYOjDS/+rK6qpRI=
+golang.org/x/crypto v0.24.0/go.mod h1:Z1PMYSOR5nyMcyAVAIQSKCDwalqy85Aqn1x3Ws4L5DM=
+golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
+golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
 golang.org/x/exp v0.0.0-20240119083558-1b970713d09a h1:Q8/wZp0KX97QFTc2ywcOE0YRjZPVIx+MXInMzdvQqcA=
 golang.org/x/exp v0.0.0-20240119083558-1b970713d09a/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
-golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
-golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
-golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/term v0.18.0 h1:FcHjZXDMxI8mM3nwhX9HlKop4C0YQvCVCdwYl2wOtE8=
-golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
+golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
+golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
+golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
+golang.org/x/oauth2 v0.16.0 h1:aDkGMBSYxElaoP81NpoUoz2oo2R2wHdZpGToUxfyQrQ=
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+golang.org/x/term v0.21.0/go.mod h1:ooXLefLobQVslOqselCNF4SxFAaoS6KujMbsGzSDmX0=
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+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
 golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3 h1:/8/t5pz/mgdRXhYOIeqqYhFAQLE4DDGegc0Y4ZjyFJM=
 gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3/go.mod h1:NQHVAzMwvZ+Qe3ElSiHmq9RUm1MdNHpUZ52fiEqvn+0=
+k8s.io/client-go v0.30.1 h1:uC/Ir6A3R46wdkgCV3vbLyNOYyCJ8oZnjtJGKfytl/Q=
+k8s.io/client-go v0.30.1/go.mod h1:wrAqLNs2trwiCH/wxxmT/x3hKVH9PuV0GGW0oDoHVqc=
+k8s.io/client-go v0.30.3 h1:bHrJu3xQZNXIi8/MoxYtZBBWQQXwy16zqJwloXXfD3k=
+k8s.io/client-go v0.30.3/go.mod h1:8d4pf8vYu665/kUbsxWAQ/JDBNWqfFeZnvFiVdmx89U=
 nhooyr.io/websocket v1.8.10 h1:mv4p+MnGrLDcPlBoWsvPP7XCzTYMXP9F9eIGoKbgx7Q=
 nhooyr.io/websocket v1.8.10/go.mod h1:rN9OFWIUwuxg4fR5tELlYC04bXYowCP9GX47ivo2l+c=
-tailscale.com v1.66.4 h1:V0vTQah3xi2/zbsxJeOfl5QbO1WJPeD9TMlfL0daXqc=
-tailscale.com v1.66.4/go.mod h1:99BIV4U3UPw36Sva04xK2ZsEpVRUkY9jCdEDSAhaNGM=
+sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
+sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=
+software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k=
+software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=

health/args.go

@@ -32,4 +32,8 @@ const (
 
 	// ArgServerName provides a Warnable with the hostname of a server involved in the unhealthy state.
 	ArgServerName Arg = "server-name"
+
+	// ArgServerName provides a Warnable with comma delimited list of the hostname of the servers involved in the unhealthy state.
+	// If no nameservers were available to query, this will be an empty string.
+	ArgDNSServers Arg = "dns-servers"
 )