vendor dependencies

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/helpers.go

@@ -47,6 +47,9 @@ func NestedFieldNoCopy(obj map[string]interface{}, fields ...string) (interface{
 	var val interface{} = obj
 
 	for i, field := range fields {
+		if val == nil {
+			return nil, false, nil
+		}
 		if m, ok := val.(map[string]interface{}); ok {
 			val, ok = m[field]
 			if !ok {

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured.go

@@ -143,13 +143,20 @@ func (u *Unstructured) setNestedField(value interface{}, fields ...string) {
 	SetNestedField(u.Object, value, fields...)
 }
 
-func (u *Unstructured) setNestedSlice(value []string, fields ...string) {
+func (u *Unstructured) setNestedStringSlice(value []string, fields ...string) {
 	if u.Object == nil {
 		u.Object = make(map[string]interface{})
 	}
 	SetNestedStringSlice(u.Object, value, fields...)
 }
 
+func (u *Unstructured) setNestedSlice(value []interface{}, fields ...string) {
+	if u.Object == nil {
+		u.Object = make(map[string]interface{})
+	}
+	SetNestedSlice(u.Object, value, fields...)
+}
+
 func (u *Unstructured) setNestedMap(value map[string]string, fields ...string) {
 	if u.Object == nil {
 		u.Object = make(map[string]interface{})
@@ -179,6 +186,11 @@ func (u *Unstructured) GetOwnerReferences() []metav1.OwnerReference {
 }
 
 func (u *Unstructured) SetOwnerReferences(references []metav1.OwnerReference) {
+	if references == nil {
+		RemoveNestedField(u.Object, "metadata", "ownerReferences")
+		return
+	}
+
 	newReferences := make([]interface{}, 0, len(references))
 	for _, reference := range references {
 		out, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&reference)
@@ -212,6 +224,10 @@ func (u *Unstructured) GetNamespace() string {
 }
 
 func (u *Unstructured) SetNamespace(namespace string) {
+	if len(namespace) == 0 {
+		RemoveNestedField(u.Object, "metadata", "namespace")
+		return
+	}
 	u.setNestedField(namespace, "metadata", "namespace")
 }
 
@@ -220,6 +236,10 @@ func (u *Unstructured) GetName() string {
 }
 
 func (u *Unstructured) SetName(name string) {
+	if len(name) == 0 {
+		RemoveNestedField(u.Object, "metadata", "name")
+		return
+	}
 	u.setNestedField(name, "metadata", "name")
 }
 
@@ -227,8 +247,12 @@ func (u *Unstructured) GetGenerateName() string {
 	return getNestedString(u.Object, "metadata", "generateName")
 }
 
-func (u *Unstructured) SetGenerateName(name string) {
-	u.setNestedField(name, "metadata", "generateName")
+func (u *Unstructured) SetGenerateName(generateName string) {
+	if len(generateName) == 0 {
+		RemoveNestedField(u.Object, "metadata", "generateName")
+		return
+	}
+	u.setNestedField(generateName, "metadata", "generateName")
 }
 
 func (u *Unstructured) GetUID() types.UID {
@@ -236,6 +260,10 @@ func (u *Unstructured) GetUID() types.UID {
 }
 
 func (u *Unstructured) SetUID(uid types.UID) {
+	if len(string(uid)) == 0 {
+		RemoveNestedField(u.Object, "metadata", "uid")
+		return
+	}
 	u.setNestedField(string(uid), "metadata", "uid")
 }
 
@@ -243,8 +271,12 @@ func (u *Unstructured) GetResourceVersion() string {
 	return getNestedString(u.Object, "metadata", "resourceVersion")
 }
 
-func (u *Unstructured) SetResourceVersion(version string) {
-	u.setNestedField(version, "metadata", "resourceVersion")
+func (u *Unstructured) SetResourceVersion(resourceVersion string) {
+	if len(resourceVersion) == 0 {
+		RemoveNestedField(u.Object, "metadata", "resourceVersion")
+		return
+	}
+	u.setNestedField(resourceVersion, "metadata", "resourceVersion")
 }
 
 func (u *Unstructured) GetGeneration() int64 {
@@ -256,6 +288,10 @@ func (u *Unstructured) GetGeneration() int64 {
 }
 
 func (u *Unstructured) SetGeneration(generation int64) {
+	if generation == 0 {
+		RemoveNestedField(u.Object, "metadata", "generation")
+		return
+	}
 	u.setNestedField(generation, "metadata", "generation")
 }
 
@@ -264,6 +300,10 @@ func (u *Unstructured) GetSelfLink() string {
 }
 
 func (u *Unstructured) SetSelfLink(selfLink string) {
+	if len(selfLink) == 0 {
+		RemoveNestedField(u.Object, "metadata", "selfLink")
+		return
+	}
 	u.setNestedField(selfLink, "metadata", "selfLink")
 }
 
@@ -272,6 +312,10 @@ func (u *Unstructured) GetContinue() string {
 }
 
 func (u *Unstructured) SetContinue(c string) {
+	if len(c) == 0 {
+		RemoveNestedField(u.Object, "metadata", "continue")
+		return
+	}
 	u.setNestedField(c, "metadata", "continue")
 }
 
@@ -330,6 +374,10 @@ func (u *Unstructured) GetLabels() map[string]string {
 }
 
 func (u *Unstructured) SetLabels(labels map[string]string) {
+	if labels == nil {
+		RemoveNestedField(u.Object, "metadata", "labels")
+		return
+	}
 	u.setNestedMap(labels, "metadata", "labels")
 }
 
@@ -339,6 +387,10 @@ func (u *Unstructured) GetAnnotations() map[string]string {
 }
 
 func (u *Unstructured) SetAnnotations(annotations map[string]string) {
+	if annotations == nil {
+		RemoveNestedField(u.Object, "metadata", "annotations")
+		return
+	}
 	u.setNestedMap(annotations, "metadata", "annotations")
 }
 
@@ -387,7 +439,11 @@ func (u *Unstructured) GetFinalizers() []string {
 }
 
 func (u *Unstructured) SetFinalizers(finalizers []string) {
-	u.setNestedSlice(finalizers, "metadata", "finalizers")
+	if finalizers == nil {
+		RemoveNestedField(u.Object, "metadata", "finalizers")
+		return
+	}
+	u.setNestedStringSlice(finalizers, "metadata", "finalizers")
 }
 
 func (u *Unstructured) GetClusterName() string {
@@ -395,5 +451,48 @@ func (u *Unstructured) GetClusterName() string {
 }
 
 func (u *Unstructured) SetClusterName(clusterName string) {
+	if len(clusterName) == 0 {
+		RemoveNestedField(u.Object, "metadata", "clusterName")
+		return
+	}
 	u.setNestedField(clusterName, "metadata", "clusterName")
 }
+
+func (u *Unstructured) GetManagedFields() []metav1.ManagedFieldsEntry {
+	items, found, err := NestedSlice(u.Object, "metadata", "managedFields")
+	if !found || err != nil {
+		return nil
+	}
+	managedFields := []metav1.ManagedFieldsEntry{}
+	for _, item := range items {
+		m, ok := item.(map[string]interface{})
+		if !ok {
+			utilruntime.HandleError(fmt.Errorf("unable to retrieve managedFields for object, item %v is not a map", item))
+			return nil
+		}
+		out := metav1.ManagedFieldsEntry{}
+		if err := runtime.DefaultUnstructuredConverter.FromUnstructured(m, &out); err != nil {
+			utilruntime.HandleError(fmt.Errorf("unable to retrieve managedFields for object: %v", err))
+			return nil
+		}
+		managedFields = append(managedFields, out)
+	}
+	return managedFields
+}
+
+func (u *Unstructured) SetManagedFields(managedFields []metav1.ManagedFieldsEntry) {
+	if managedFields == nil {
+		RemoveNestedField(u.Object, "metadata", "managedFields")
+		return
+	}
+	items := []interface{}{}
+	for _, managedFieldsEntry := range managedFields {
+		out, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&managedFieldsEntry)
+		if err != nil {
+			utilruntime.HandleError(fmt.Errorf("unable to set managedFields for object: %v", err))
+			return
+		}
+		items = append(items, out)
+	}
+	u.setNestedSlice(items, "metadata", "managedFields")
+}