// reorganizeTaints returns the updated set of taints, taking into account old taints that were not updated,
// old taints that were updated, old taints that were deleted, and new taints.
func reorganizeTaints(accessor meta.Object, overwrite bool, taintsToAdd []api.Taint, taintsToRemove []api.Taint) ([]api.Taint, error) {
newTaints := append([]api.Taint{}, taintsToAdd...)
var oldTaints []api.Taint
var err error
annotations := accessor.GetAnnotations()
if annotations != nil {
if oldTaints, err = api.GetTaintsFromNodeAnnotations(annotations); err != nil {
return nil, err
}
}
// add taints that already existing but not updated to newTaints
for _, oldTaint := range oldTaints {
existsInNew := false
for _, taint := range newTaints {
if taint.MatchTaint(oldTaint) {
existsInNew = true
break
}
}
if !existsInNew {
newTaints = append(newTaints, oldTaint)
}
}
allErrs := []error{}
for _, taintToRemove := range taintsToRemove {
newTaints, err = deleteTaint(newTaints, taintToRemove)
if err != nil {
allErrs = append(allErrs, err)
}
}
return newTaints, utilerrors.NewAggregate(allErrs)
}
func validateNoOverwrites(accessor meta.Object, labels map[string]string) error {
allErrs := []error{}
for key := range labels {
if value, found := accessor.GetLabels()[key]; found {
allErrs = append(allErrs, fmt.Errorf("'%s' already has a value (%s), and --overwrite is false", key, value))
}
}
return utilerrors.NewAggregate(allErrs)
}
// patchObj patches calculates a patch between the given new object and the existing marshaled object
func patchObj(obj runtime.Object, metadata meta.Object, oldData []byte, mapping *meta.RESTMapping, f *clientcmd.Factory) (runtime.Object, error) {
newData, err := json.Marshal(obj)
if err != nil {
return nil, err
}
patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj)
if err != nil {
return nil, err
}
client, err := f.ClientForMapping(mapping)
if err != nil {
return nil, err
}
helper := resource.NewHelper(client, mapping)
return helper.Patch(metadata.GetNamespace(), metadata.GetName(), kapi.StrategicMergePatchType, patchBytes)
}
// validateNoAnnotationOverwrites validates that when overwrite is false, to-be-updated annotations don't exist in the object annotation map (yet)
func validateNoAnnotationOverwrites(accessor meta.Object, annotations map[string]string) error {
var buf bytes.Buffer
for key := range annotations {
// change-cause annotation can always be overwritten
if key == kubectl.ChangeCauseAnnotation {
continue
}
if value, found := accessor.GetAnnotations()[key]; found {
if buf.Len() > 0 {
buf.WriteString("; ")
}
buf.WriteString(fmt.Sprintf("'%s' already has a value (%s)", key, value))
}
}
if buf.Len() > 0 {
return fmt.Errorf("--overwrite is false but found the following declared annotation(s): %s", buf.String())
}
return nil
}
func shouldOrphanDependents(e event, accessor meta.Object) bool {
// The delta_fifo may combine the creation and update of the object into one
// event, so we need to check AddEvent as well.
if e.oldObj == nil {
if accessor.GetDeletionTimestamp() == nil {
return false
}
} else {
oldAccessor, err := meta.Accessor(e.oldObj)
if err != nil {
utilruntime.HandleError(fmt.Errorf("cannot access oldObj: %v", err))
return false
}
// ignore the event if it's not updating DeletionTimestamp from non-nil to nil.
if accessor.GetDeletionTimestamp() == nil || oldAccessor.GetDeletionTimestamp() != nil {
return false
}
}
finalizers := accessor.GetFinalizers()
for _, finalizer := range finalizers {
if finalizer == api.FinalizerOrphan {
return true
}
}
return false
}
// shouldUpdateFinalizers returns if we need to update the finalizers of the
// object, and the desired list of finalizers.
// When deciding whether to add the OrphanDependent finalizer, factors in the
// order of highest to lowest priority are: options.OrphanDependents, existing
// finalizers of the object, e.DeleteStrategy.DefaultGarbageCollectionPolicy.
func shouldUpdateFinalizers(e *Store, accessor meta.Object, options *api.DeleteOptions) (shouldUpdate bool, newFinalizers []string) {
shouldOrphan := false
// Get default orphan policy from this REST object type
if gcStrategy, ok := e.DeleteStrategy.(rest.GarbageCollectionDeleteStrategy); ok {
if gcStrategy.DefaultGarbageCollectionPolicy() == rest.OrphanDependents {
shouldOrphan = true
}
}
// If a finalizer is set in the object, it overrides the default
hasOrphanFinalizer := false
finalizers := accessor.GetFinalizers()
for _, f := range finalizers {
if f == api.FinalizerOrphan {
shouldOrphan = true
hasOrphanFinalizer = true
break
}
// TODO: update this when we add a finalizer indicating a preference for the other behavior
}
// If an explicit policy was set at deletion time, that overrides both
if options != nil && options.OrphanDependents != nil {
shouldOrphan = *options.OrphanDependents
}
if shouldOrphan && !hasOrphanFinalizer {
finalizers = append(finalizers, api.FinalizerOrphan)
return true, finalizers
}
if !shouldOrphan && hasOrphanFinalizer {
var newFinalizers []string
for _, f := range finalizers {
if f == api.FinalizerOrphan {
continue
}
newFinalizers = append(newFinalizers, f)
}
return true, newFinalizers
}
return false, finalizers
}
// return if we need to update the finalizers of the object, and the desired list of finalizers
func shouldUpdateFinalizers(accessor meta.Object, options *api.DeleteOptions) (shouldUpdate bool, newFinalizers []string) {
if options == nil || options.OrphanDependents == nil {
return false, accessor.GetFinalizers()
}
shouldOrphan := *options.OrphanDependents
alreadyOrphan := false
finalizers := accessor.GetFinalizers()
newFinalizers = make([]string, 0, len(finalizers))
for _, f := range finalizers {
if f == api.FinalizerOrphan {
alreadyOrphan = true
if !shouldOrphan {
continue
}
}
newFinalizers = append(newFinalizers, f)
}
if shouldOrphan && !alreadyOrphan {
newFinalizers = append(newFinalizers, api.FinalizerOrphan)
}
shouldUpdate = shouldOrphan != alreadyOrphan
return shouldUpdate, newFinalizers
}
// validateNoTaintOverwrites validates that when overwrite is false, to-be-updated taints don't exist in the node taint list (yet)
func validateNoTaintOverwrites(accessor meta.Object, taints []api.Taint) error {
annotations := accessor.GetAnnotations()
if annotations == nil {
return nil
}
allErrs := []error{}
oldTaints, err := api.GetTaintsFromNodeAnnotations(annotations)
if err != nil {
allErrs = append(allErrs, err)
return utilerrors.NewAggregate(allErrs)
}
for _, taint := range taints {
for _, oldTaint := range oldTaints {
if taint.Key == oldTaint.Key && taint.Effect == oldTaint.Effect {
allErrs = append(allErrs, fmt.Errorf("Node '%s' already has a taint with key (%s) and effect (%v), and --overwrite is false", accessor.GetName(), taint.Key, taint.Effect))
break
}
}
}
return utilerrors.NewAggregate(allErrs)
}
func exportObjectMeta(accessor meta.Object, exact bool) {
accessor.SetUID("")
if !exact {
accessor.SetNamespace("")
}
accessor.SetCreationTimestamp(unversioned.Time{})
accessor.SetDeletionTimestamp(nil)
accessor.SetResourceVersion("")
accessor.SetSelfLink("")
if len(accessor.GetGenerateName()) > 0 && !exact {
accessor.SetName("")
}
}
func (f *FakeControllerSource) key(accessor meta.Object) nnu {
return nnu{accessor.GetNamespace(), accessor.GetName(), accessor.GetUID()}
}