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Merge pull request #95909 from pohly/pv-controller-delete-pv-fix

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PV controller: don't delete PVs when PVC is not known yet
This commit is contained in:
Kubernetes Prow Robot
2020-11-02 02:00:52 -08:00
committed by GitHub
parent a0d23de086 24f5764787
commit 096819c963
4 changed files with 80 additions and 9 deletions
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7
pkg/controller/volume/persistentvolume/pv_controller.go
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@@ -581,9 +581,10 @@ func (ctrl *PersistentVolumeController) syncVolume(volume *v1.PersistentVolume)
if err != nil {
return err
}
if !found && metav1.HasAnnotation(volume.ObjectMeta, pvutil.AnnBoundByController) {
// If PV is bound by external PV binder (e.g. kube-scheduler), it's
// possible on heavy load that corresponding PVC is not synced to
if !found {
// If the PV was created by an external PV provisioner or
// bound by external PV binder (e.g. kube-scheduler), it's
// possible under heavy load that the corresponding PVC is not synced to
// controller local cache yet. So we need to double-check PVC in
// 1) informer cache
// 2) apiserver if not found in informer cache