mirror of https://github.com/k3s-io/k3s
80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"k8s.io/apimachinery/pkg/api/meta"
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"k8s.io/apimachinery/pkg/util/initialization"
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"k8s.io/apiserver/pkg/admission"
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)
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// IsUpdatingInitializedObject returns true if the operation is trying to update
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// an already initialized object.
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func IsUpdatingInitializedObject(a admission.Attributes) (bool, error) {
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if a.GetOperation() != admission.Update {
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return false, nil
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}
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oldObj := a.GetOldObject()
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accessor, err := meta.Accessor(oldObj)
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if err != nil {
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return false, err
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}
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if initialization.IsInitialized(accessor.GetInitializers()) {
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return true, nil
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}
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return false, nil
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}
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// IsUpdatingUninitializedObject returns true if the operation is trying to
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// update an object that is not initialized yet.
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func IsUpdatingUninitializedObject(a admission.Attributes) (bool, error) {
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if a.GetOperation() != admission.Update {
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return false, nil
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}
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oldObj := a.GetOldObject()
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accessor, err := meta.Accessor(oldObj)
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if err != nil {
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return false, err
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}
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if initialization.IsInitialized(accessor.GetInitializers()) {
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return false, nil
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}
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return true, nil
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}
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// IsInitializationCompletion returns true if the operation removes all pending
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// initializers.
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func IsInitializationCompletion(a admission.Attributes) (bool, error) {
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if a.GetOperation() != admission.Update {
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return false, nil
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}
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oldObj := a.GetOldObject()
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oldInitialized, err := initialization.IsObjectInitialized(oldObj)
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if err != nil {
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return false, err
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}
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if oldInitialized {
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return false, nil
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}
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newObj := a.GetObject()
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newInitialized, err := initialization.IsObjectInitialized(newObj)
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if err != nil {
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return false, err
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}
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return newInitialized, nil
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}
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