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Revert patch for empty finalizers

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Signed-off-by: Grant Griffiths <ggriffiths@purestorage.com>
This commit is contained in:
Grant Griffiths
2021-09-29 19:22:43 -07:00
parent d14e2eea8f
commit ad7dfe6045
3 changed files with 46 additions and 20 deletions
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32
pkg/common-controller/snapshot_controller.go
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@@ -1421,16 +1421,25 @@ func (ctrl *csiSnapshotCommonController) addSnapshotFinalizer(snapshot *crdv1.Vo
var updatedSnapshot *crdv1.VolumeSnapshot
var err error
var patches []utils.PatchOp
// NOTE(ggriffiths): Must perform an update if no finalizers exist.
// Unable to find a patch that correctly updated the finalizers if none currently exist.
if len(snapshot.ObjectMeta.Finalizers) == 0 {
// Replace finalizers with new array if there are no other finalizers
patches = append(patches, utils.PatchOp{
Op: "add",
Path: "/metadata/finalizers",
Value: []string{utils.VolumeSnapshotContentFinalizer},
})
snapshotClone := snapshot.DeepCopy()
if addSourceFinalizer {
snapshotClone.ObjectMeta.Finalizers = append(snapshotClone.ObjectMeta.Finalizers, utils.VolumeSnapshotAsSourceFinalizer)
}
if addBoundFinalizer {
snapshotClone.ObjectMeta.Finalizers = append(snapshotClone.ObjectMeta.Finalizers, utils.VolumeSnapshotBoundFinalizer)
}
updatedSnapshot, err = ctrl.clientset.SnapshotV1().VolumeSnapshots(snapshotClone.Namespace).Update(context.TODO(), snapshotClone, metav1.UpdateOptions{})
if err != nil {
return newControllerUpdateError(utils.SnapshotKey(snapshot), err.Error())
}
} else {
// Otherwise, perform a patch
var patches []utils.PatchOp
// If finalizers exist already, add new ones to the end of the array
if addSourceFinalizer {
patches = append(patches, utils.PatchOp{
Op: "add",
@@ -1445,10 +1454,11 @@ func (ctrl *csiSnapshotCommonController) addSnapshotFinalizer(snapshot *crdv1.Vo
Value: utils.VolumeSnapshotBoundFinalizer,
})
}
}
updatedSnapshot, err = utils.PatchVolumeSnapshot(snapshot, patches, ctrl.clientset)
if err != nil {
return newControllerUpdateError(utils.SnapshotKey(snapshot), err.Error())
updatedSnapshot, err = utils.PatchVolumeSnapshot(snapshot, patches, ctrl.clientset)
if err != nil {
return newControllerUpdateError(utils.SnapshotKey(snapshot), err.Error())
}
}
_, err = ctrl.storeSnapshotUpdate(updatedSnapshot)