TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2025-02-28 11:17:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

cmd/containerboot: fix nil pointer exception (#15090)

Browse Source 
Updates tailscale/tailscale#15081

Signed-off-by: Irbe Krumina <irbe@tailscale.com>
This commit is contained in:
Irbe Krumina 2025-02-27 15:05:04 -08:00 committed by GitHub
parent b85d18d14e
commit 6df0aa58bb
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmd/containerboot/serve.go
View File

@ -35,6 +35,8 @@ func watchServeConfigChanges(ctx context.Context, path string, cdChanged <-chan
var tickChan <-chan time.Time
var eventChan <-chan fsnotify.Event
if w, err := fsnotify.NewWatcher(); err != nil {
// Creating a new fsnotify watcher would fail for example if inotify was not able to create a new file descriptor.
// See https://github.com/tailscale/tailscale/issues/15081
log.Printf("serve proxy: failed to create fsnotify watcher, timer-only mode: %v", err)
ticker := time.NewTicker(5 * time.Second)
defer ticker.Stop()

13
cmd/containerboot/tailscaled.go
View File

@ -173,11 +173,14 @@ func tailscaleSet(ctx context.Context, cfg *settings) error {
func watchTailscaledConfigChanges(ctx context.Context, path string, lc *local.Client, errCh chan<- error) {
var (
tickChan <-chan time.Time
eventChan <-chan fsnotify.Event
errChan <-chan error
tailscaledCfgDir = filepath.Dir(path)
prevTailscaledCfg []byte
)
w, err := fsnotify.NewWatcher()
if err != nil {
if w, err := fsnotify.NewWatcher(); err != nil {
// Creating a new fsnotify watcher would fail for example if inotify was not able to create a new file descriptor.
// See https://github.com/tailscale/tailscale/issues/15081
log.Printf("tailscaled config watch: failed to create fsnotify watcher, timer-only mode: %v", err)
ticker := time.NewTicker(5 * time.Second)
defer ticker.Stop()
@ -188,6 +191,8 @@ func watchTailscaledConfigChanges(ctx context.Context, path string, lc *local.Cl
errCh <- fmt.Errorf("failed to add fsnotify watch: %w", err)
return
}
eventChan = w.Events
errChan = w.Errors
}
b, err := os.ReadFile(path)
if err != nil {
@ -205,11 +210,11 @@ func watchTailscaledConfigChanges(ctx context.Context, path string, lc *local.Cl
select {
case <-ctx.Done():
return
case err := <-w.Errors:
case err := <-errChan:
errCh <- fmt.Errorf("watcher error: %w", err)
return
case <-tickChan:
case event := <-w.Events:
case event := <-eventChan:
if event.Name != toWatch {
continue
}