| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package util |
| |
| import ( |
| "k8s.io/apimachinery/pkg/api/meta" |
| "k8s.io/apimachinery/pkg/util/initialization" |
| "k8s.io/apiserver/pkg/admission" |
| ) |
| |
| // IsUpdatingInitializedObject returns true if the operation is trying to update |
| // an already initialized object. |
| func IsUpdatingInitializedObject(a admission.Attributes) (bool, error) { |
| if a.GetOperation() != admission.Update { |
| return false, nil |
| } |
| oldObj := a.GetOldObject() |
| accessor, err := meta.Accessor(oldObj) |
| if err != nil { |
| return false, err |
| } |
| if initialization.IsInitialized(accessor.GetInitializers()) { |
| return true, nil |
| } |
| return false, nil |
| } |
| |
| // IsUpdatingUninitializedObject returns true if the operation is trying to |
| // update an object that is not initialized yet. |
| func IsUpdatingUninitializedObject(a admission.Attributes) (bool, error) { |
| if a.GetOperation() != admission.Update { |
| return false, nil |
| } |
| oldObj := a.GetOldObject() |
| accessor, err := meta.Accessor(oldObj) |
| if err != nil { |
| return false, err |
| } |
| if initialization.IsInitialized(accessor.GetInitializers()) { |
| return false, nil |
| } |
| return true, nil |
| } |
| |
| // IsInitializationCompletion returns true if the operation removes all pending |
| // initializers. |
| func IsInitializationCompletion(a admission.Attributes) (bool, error) { |
| if a.GetOperation() != admission.Update { |
| return false, nil |
| } |
| oldObj := a.GetOldObject() |
| oldInitialized, err := initialization.IsObjectInitialized(oldObj) |
| if err != nil { |
| return false, err |
| } |
| if oldInitialized { |
| return false, nil |
| } |
| newObj := a.GetObject() |
| newInitialized, err := initialization.IsObjectInitialized(newObj) |
| if err != nil { |
| return false, err |
| } |
| return newInitialized, nil |
| } |