ipn/ipnlocal: log if ServeConfig cannot be configured

We have lately seen a bunch of mystery issues where serve config 'disappears' on kube, which may have been because of transient errors when reading state from a kube Secret. Updates tailscale/tailscale#13900,tailscale/tailscale#12079 Signed-off-by: Irbe Krumina <irbe@tailscale.com>
2024-10-25 13:51:55 -05:00
1 changed files with 1 additions and 0 deletions
--- a/ipn/ipnlocal/local.go
+++ b/ipn/ipnlocal/local.go
@@ -5729,6 +5729,7 @@ func (b *LocalBackend) reloadServeConfigLocked(prefs ipn.PrefsView) {
 	// if the profile has not changed.
 	confj, err := b.store.ReadState(confKey)
 	if err != nil {
+		b.logf("error reading ServeConfig from tailscale state: %v, any previously set ServeConfig will be reset", err)
 		b.lastServeConfJSON = mem.B(nil)
 		b.serveConfig = ipn.ServeConfigView{}
 		return