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Merge pull request #30510 from derekwaynecarr/logging-fix
Automatic merge from submit-queue Endpoint controller logs errors during normal cluster behavior The endpoint controller logs an error when its forbidden from creating new endpoints during namespace termination. This is normal cluster behavior, and therefore should not be logged. This confuses operators administrating the cluster. Updated to log at a lower level in response to a forbidden message when performing a create operation. In case of an error on the API server side of the house, I continue to requeue the key. It should be ignored in a future syncService call once the service is deleted as part of namespace termination. See https://bugzilla.redhat.com/show_bug.cgi?id=1347425 /cc @kubernetes/rh-cluster-infra
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@ -487,7 +487,9 @@ func (e *EndpointController) syncService(key string) {
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} else {
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newEndpoints.Annotations[endpoints.PodHostnamesAnnotation] = serializedPodHostNames
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}
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if len(currentEndpoints.ResourceVersion) == 0 {
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createEndpoints := len(currentEndpoints.ResourceVersion) == 0
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if createEndpoints {
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// No previous endpoints, create them
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_, err = e.client.Endpoints(service.Namespace).Create(newEndpoints)
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} else {
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@ -495,7 +497,15 @@ func (e *EndpointController) syncService(key string) {
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_, err = e.client.Endpoints(service.Namespace).Update(newEndpoints)
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}
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if err != nil {
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glog.Errorf("Error updating endpoints: %v", err)
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if createEndpoints && errors.IsForbidden(err) {
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// A request is forbidden primarily for two reasons:
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// 1. namespace is terminating, endpoint creation is not allowed by default.
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// 2. policy is misconfigured, in which case no service would function anywhere.
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// Given the frequency of 1, we log at a lower level.
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glog.V(5).Infof("Forbidden from creating endpoints: %v", err)
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} else {
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utilruntime.HandleError(err)
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}
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e.queue.Add(key) // Retry
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}
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}
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