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Merge pull request #104853 from kitianFresh/feature/avoid-sharedIndexInformer-run-more-than-once

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avoid sharedIndexInformer run more than once, avoid more cache and me…

Kubernetes-commit: dcfe8f5d5c9531e3196eb5036a86643c728eafe7
This commit is contained in:
Kubernetes Publisher
2021-09-13 06:24:07 -07:00
parent b36b60b678 f0bcda0dce
commit 45fb834fed
1 changed files with 10 additions and 0 deletions
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10
tools/cache/shared_informer.go vendored
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@@ -368,6 +368,10 @@ func (s *sharedIndexInformer) SetWatchErrorHandler(handler WatchErrorHandler) er
func (s *sharedIndexInformer) Run(stopCh <-chan struct{}) {
defer utilruntime.HandleCrash()
if s.HasStarted() {
klog.Warningf("The sharedIndexInformer has started, run more than once is not allowed")
return
}
fifo := NewDeltaFIFOWithOptions(DeltaFIFOOptions{
KnownObjects: s.indexer,
EmitDeltaTypeReplaced: true,
@@ -410,6 +414,12 @@ func (s *sharedIndexInformer) Run(stopCh <-chan struct{}) {
s.controller.Run(stopCh)
}
func (s *sharedIndexInformer) HasStarted() bool {
s.startedLock.Lock()
defer s.startedLock.Unlock()
return s.started
}
func (s *sharedIndexInformer) HasSynced() bool {
s.startedLock.Lock()
defer s.startedLock.Unlock()