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reflector: extract watch and startResyncAsync methods

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Kubernetes-commit: 34fe27355b8b5acc4d29d053ed4361b4f72e147b
This commit is contained in:
Lukasz Szaszkiewicz 2023-03-02 16:26:41 +01:00 committed by Kubernetes Publisher
parent 06ad6b391d
commit f694a7978b
1 changed files with 33 additions and 24 deletions
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13
tools/cache/reflector.go vendored
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@ -323,7 +323,14 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
resyncerrc := make(chan error, 1) resyncerrc := make(chan error, 1)
cancelCh := make(chan struct{}) cancelCh := make(chan struct{})
defer close(cancelCh) defer close(cancelCh)
go func() { go r.startResync(stopCh, cancelCh, resyncerrc)
return r.watch(stopCh, resyncerrc)
}
// startResync periodically calls r.store.Resync() method.
// Note that this method is blocking and should be
// called in a separate goroutine.
func (r *Reflector) startResync(stopCh <-chan struct{}, cancelCh <-chan struct{}, resyncerrc chan error) {
resyncCh, cleanup := r.resyncChan() resyncCh, cleanup := r.resyncChan()
defer func() { defer func() {
cleanup() // Call the last one written into cleanup cleanup() // Call the last one written into cleanup
@ -346,8 +353,10 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
cleanup() cleanup()
resyncCh, cleanup = r.resyncChan() resyncCh, cleanup = r.resyncChan()
} }
}() }
// watch simply starts a watch request with the server.
func (r *Reflector) watch(stopCh <-chan struct{}, resyncerrc chan error) error {
retry := NewRetryWithDeadline(r.MaxInternalErrorRetryDuration, time.Minute, apierrors.IsInternalError, r.clock) retry := NewRetryWithDeadline(r.MaxInternalErrorRetryDuration, time.Minute, apierrors.IsInternalError, r.clock)
for { for {
// give the stopCh a chance to stop the loop, even in case of continue statements further down on errors // give the stopCh a chance to stop the loop, even in case of continue statements further down on errors