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Terminate watchers when watch cache is destroyed
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parent
4f28fa8907
commit
d304c9ecbb
@ -351,6 +351,7 @@ func NewCacherFromConfig(config Config) *Cacher {
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cacher.stopWg.Add(1)
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go func() {
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defer cacher.stopWg.Done()
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defer cacher.terminateAllWatchers()
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wait.Until(
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func() {
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if !cacher.isStopped() {
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@ -496,6 +496,42 @@ func TestCacheWatcherStoppedInAnotherGoroutine(t *testing.T) {
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}
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}
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func TestCacheWatcherStoppedOnDestroy(t *testing.T) {
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backingStorage := &dummyStorage{}
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cacher, _ := newTestCacher(backingStorage, 1000)
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defer cacher.Stop()
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// Wait until cacher is initialized.
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cacher.ready.wait()
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w, err := cacher.Watch(context.Background(), "pods/ns", "0", storage.Everything)
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if err != nil {
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t.Fatalf("Failed to create watch: %v", err)
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}
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watchClosed := make(chan struct{})
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go func() {
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defer close(watchClosed)
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for event := range w.ResultChan() {
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switch event.Type {
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case watch.Added, watch.Modified, watch.Deleted:
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// ok
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default:
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t.Errorf("unexpected event %#v", event)
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}
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}
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}()
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cacher.Stop()
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select {
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case <-watchClosed:
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case <-time.After(wait.ForeverTestTimeout):
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t.Errorf("timed out waiting for watch to close")
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}
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}
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func TestTimeBucketWatchersBasic(t *testing.T) {
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filter := func(_ string, _ labels.Set, _ fields.Set) bool {
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return true
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