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Merge pull request #100254 from tkashem/apf-post-start-hook-handle-error

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apf PostStartHook: handle error from PollImmediateUntil
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Kubernetes Prow Robot 2021-03-23 12:09:36 -07:00 committed by GitHub
commit 42261726ed
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1 changed files with 13 additions and 2 deletions
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13
pkg/registry/flowcontrol/rest/storage_flowcontrol.go
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@ -105,7 +105,7 @@ func (p RESTStorageProvider) PostStartHook() (string, genericapiserver.PostStart
flowcontrolClientSet := flowcontrolclient.NewForConfigOrDie(hookContext.LoopbackClientConfig)
go func() {
const retryCreatingSuggestedSettingsInterval = time.Second
_ = wait.PollImmediateUntil(
err := wait.PollImmediateUntil(
retryCreatingSuggestedSettingsInterval,
func() (bool, error) {
should, err := shouldEnsureSuggested(flowcontrolClientSet)
@ -127,6 +127,17 @@ func (p RESTStorageProvider) PostStartHook() (string, genericapiserver.PostStart
return true, nil
},
hookContext.StopCh)
if err != nil {
klog.ErrorS(err, "Ensuring suggested configuration failed")
// We should not attempt creation of mandatory objects if ensuring the suggested
// configuration resulted in an error.
// This only happens when the stop channel is closed.
// We rely on the presence of the "exempt" priority level configuration object in the cluster
// to indicate whether we should ensure suggested configuration.
return
}
const retryCreatingMandatorySettingsInterval = time.Minute
_ = wait.PollImmediateUntil(
retryCreatingMandatorySettingsInterval,