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93 lines
3.3 KiB
Go
93 lines
3.3 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 priorityclass
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import (
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"context"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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"k8s.io/kubernetes/pkg/apis/scheduling"
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schedulingutil "k8s.io/kubernetes/pkg/apis/scheduling/util"
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"k8s.io/kubernetes/pkg/apis/scheduling/validation"
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)
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// priorityClassStrategy implements verification logic for PriorityClass.
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type priorityClassStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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// Strategy is the default logic that applies when creating and updating PriorityClass objects.
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var Strategy = priorityClassStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
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// NamespaceScoped returns false because all PriorityClasses are global.
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func (priorityClassStrategy) NamespaceScoped() bool {
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return false
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}
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// PrepareForCreate clears the status of a PriorityClass before creation.
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func (priorityClassStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
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pc := obj.(*scheduling.PriorityClass)
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pc.Generation = 1
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schedulingutil.DropDisabledFields(pc, nil)
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}
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// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
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func (priorityClassStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
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newClass := obj.(*scheduling.PriorityClass)
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oldClass := old.(*scheduling.PriorityClass)
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schedulingutil.DropDisabledFields(newClass, oldClass)
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}
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// Validate validates a new PriorityClass.
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func (priorityClassStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
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pc := obj.(*scheduling.PriorityClass)
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return validation.ValidatePriorityClass(pc)
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}
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// WarningsOnCreate returns warnings for the creation of the given object.
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func (priorityClassStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
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return nil
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}
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// Canonicalize normalizes the object after validation.
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func (priorityClassStrategy) Canonicalize(obj runtime.Object) {}
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// AllowCreateOnUpdate is false for PriorityClass; this means POST is needed to create one.
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func (priorityClassStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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// ValidateUpdate is the default update validation for an end user.
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func (priorityClassStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
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return validation.ValidatePriorityClassUpdate(obj.(*scheduling.PriorityClass), old.(*scheduling.PriorityClass))
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}
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// WarningsOnUpdate returns warnings for the given update.
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func (priorityClassStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
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return nil
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}
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// AllowUnconditionalUpdate is the default update policy for PriorityClass objects.
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func (priorityClassStrategy) AllowUnconditionalUpdate() bool {
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return true
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}
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