e78d433150
Introduce feature gate for expanding PVs Add a field to SC Add new Conditions and feature tag pvc update Add tests for size update via feature gate register the resize admission plugin Update golint failures
86 lines
2.9 KiB
Go
86 lines
2.9 KiB
Go
/*
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Copyright 2016 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 storageclass
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import (
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/validation/field"
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genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
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"k8s.io/apiserver/pkg/storage/names"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/apis/storage"
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"k8s.io/kubernetes/pkg/apis/storage/validation"
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"k8s.io/kubernetes/pkg/features"
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)
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// storageClassStrategy implements behavior for StorageClass objects
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type storageClassStrategy 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
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// StorageClass objects via the REST API.
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var Strategy = storageClassStrategy{api.Scheme, names.SimpleNameGenerator}
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func (storageClassStrategy) NamespaceScoped() bool {
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return false
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}
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// ResetBeforeCreate clears the Status field which is not allowed to be set by end users on creation.
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func (storageClassStrategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Object) {
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class := obj.(*storage.StorageClass)
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if !utilfeature.DefaultFeatureGate.Enabled(features.ExpandPersistentVolumes) {
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class.AllowVolumeExpansion = nil
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}
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}
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func (storageClassStrategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {
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storageClass := obj.(*storage.StorageClass)
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return validation.ValidateStorageClass(storageClass)
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}
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// Canonicalize normalizes the object after validation.
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func (storageClassStrategy) Canonicalize(obj runtime.Object) {
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}
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func (storageClassStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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// PrepareForUpdate sets the Status fields which is not allowed to be set by an end user updating a PV
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func (storageClassStrategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime.Object) {
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newClass := obj.(*storage.StorageClass)
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oldClass := old.(*storage.StorageClass)
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if !utilfeature.DefaultFeatureGate.Enabled(features.ExpandPersistentVolumes) {
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newClass.AllowVolumeExpansion = nil
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oldClass.AllowVolumeExpansion = nil
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}
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}
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func (storageClassStrategy) ValidateUpdate(ctx genericapirequest.Context, obj, old runtime.Object) field.ErrorList {
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errorList := validation.ValidateStorageClass(obj.(*storage.StorageClass))
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return append(errorList, validation.ValidateStorageClassUpdate(obj.(*storage.StorageClass), old.(*storage.StorageClass))...)
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}
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func (storageClassStrategy) AllowUnconditionalUpdate() bool {
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return true
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}
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