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Fix: PVC finalizer not removed due to broken VolumeSnapshots #1309

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7 changes: 6 additions & 1 deletion pkg/common-controller/snapshot_controller.go
Original file line number Diff line number Diff line change
Expand Up @@ -1050,7 +1050,12 @@ func (ctrl *csiSnapshotCommonController) isPVCBeingUsed(pvc *v1.PersistentVolume
klog.V(4).Infof("Skipping static bound snapshot %s when checking PVC %s/%s", snap.Name, pvc.Namespace, pvc.Name)
continue
}
if snap.Spec.Source.PersistentVolumeClaimName != nil && pvc.Name == *snap.Spec.Source.PersistentVolumeClaimName && !utils.IsSnapshotReady(snap) {

if snap.Spec.Source.PersistentVolumeClaimName != nil &&
pvc.Name == *snap.Spec.Source.PersistentVolumeClaimName &&
!utils.IsSnapshotReady(snap) &&
utils.HasSnapshotFinalizer(snap, utils.PVCFinalizer) {

klog.V(2).Infof("Keeping PVC %s/%s, it is used by snapshot %s/%s", pvc.Namespace, pvc.Name, snap.Namespace, snap.Name)
return true
}
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9 changes: 9 additions & 0 deletions pkg/utils/util.go
Original file line number Diff line number Diff line change
Expand Up @@ -611,6 +611,15 @@ func IsBoundVolumeSnapshotContentNameSet(snapshot *crdv1.VolumeSnapshot) bool {
return true
}

func HasSnapshotFinalizer(snapshot *crdv1.VolumeSnapshot, finalizer string) bool {
for _, f := range snapshot.ObjectMeta.Finalizers {
if f == finalizer {
return true
}
}
return false
}

func IsSnapshotReady(snapshot *crdv1.VolumeSnapshot) bool {
if snapshot.Status == nil || snapshot.Status.ReadyToUse == nil || *snapshot.Status.ReadyToUse == false {
return false
Expand Down