if len(ts) == 0 || timestamp.Time.IsZero() {
		RemoveNestedField(u.Object, "metadata", "creationTimestamp")
		return
	}
	u.setNestedField(ts, "metadata", "creationTimestamp")
}

func (u *Unstructured) GetDeletionTimestamp() *metav1.Time {
	var timestamp metav1.Time
	timestamp.UnmarshalQueryParameter(getNestedString(u.Object, "metadata", "deletionTimestamp"))
	if timestamp.IsZero() {
		return nil
	}
	return &timestamp
}

	// deletion. For resources that support graceful deletion is handle in
	// pkg/api/rest/delete.go
	if objectMeta.GetDeletionTimestamp() == nil && objectMeta.GetGeneration() > 0 {
		objectMeta.SetGeneration(objectMeta.GetGeneration() + 1)
	}
	existingDeletionTimestamp := objectMeta.GetDeletionTimestamp()
	if existingDeletionTimestamp == nil || existingDeletionTimestamp.After(now) {
		metaNow := metav1.NewTime(now)

	oldObj := a.GetOldObject()
	if oldObj != nil {
		oldAccessor, err := meta.Accessor(oldObj)
		if err != nil {
			return admission.NewForbidden(a, err)
		}
		if oldAccessor.GetDeletionTimestamp() != nil {
			return nil
		}
	}

	items, err := l.GetLimitRanges(a)
	if err != nil {
		return err
	}

	// ensure it meets each prescribed min/max
	for i := range items {

		return false, errors.New("volume attachment has been deleted")
	}
	// if being deleted, fail fast
	if attachment.GetDeletionTimestamp() != nil {
		klog.Error(log("VolumeAttachment [%s] has deletion timestamp, will not continue to wait for attachment", attachment.Name))
		return false, errors.New("volume attachment is being deleted")
	}

		if isDangling {
			dangling = append(dangling, reference)
			continue
		}

		ownerAccessor, err := meta.Accessor(owner)
		if err != nil {
			return nil, nil, nil, err
		}
		if ownerAccessor.GetDeletionTimestamp() != nil && hasDeleteDependentsFinalizer(ownerAccessor) {
			waitingForDependentsDeletion = append(waitingForDependentsDeletion, reference)
		} else {
			solid = append(solid, reference)
		}
	}

		return false
	}
	return !beingDeleted(oldAccessor) || !hasFinalizer(oldAccessor, matchingFinalizer)
}

func beingDeleted(accessor metav1.Object) bool {
	return accessor.GetDeletionTimestamp() != nil
}

func hasDeleteDependentsFinalizer(accessor metav1.Object) bool {
	return hasFinalizer(accessor, metav1.FinalizerDeleteDependents)
}

func hasOrphanFinalizer(accessor metav1.Object) bool {

		logger.V(3).Info("Error reading persistent volume", "volumeName", volume.Name, "err", err)
		return "", nil
	}

	if !utilfeature.DefaultFeatureGate.Enabled(features.HonorPVReclaimPolicy) {
		if newVolume.GetDeletionTimestamp() != nil {
			logger.V(3).Info("Volume is already being deleted", "volumeName", volume.Name)
			return "", nil
		}
	}
	needsReclaim, err := ctrl.isVolumeReleased(logger, newVolume)
	if err != nil {