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104 lines
3.6 KiB
Go
104 lines
3.6 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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"fmt"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/labels"
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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/registry/generic"
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apistorage "k8s.io/apiserver/pkg/storage"
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"k8s.io/apiserver/pkg/storage/names"
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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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)
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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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_ = obj.(*storage.StorageClass)
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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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_ = obj.(*storage.StorageClass)
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_ = old.(*storage.StorageClass)
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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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// GetAttrs returns labels and fields of a given object for filtering purposes.
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func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, bool, error) {
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cls, ok := obj.(*storage.StorageClass)
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if !ok {
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return nil, nil, false, fmt.Errorf("given object is not of type StorageClass")
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}
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return labels.Set(cls.ObjectMeta.Labels), StorageClassToSelectableFields(cls), cls.Initializers != nil, nil
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}
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// MatchStorageClass returns a generic matcher for a given label and field selector.
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func MatchStorageClasses(label labels.Selector, field fields.Selector) apistorage.SelectionPredicate {
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return apistorage.SelectionPredicate{
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Label: label,
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Field: field,
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GetAttrs: GetAttrs,
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}
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}
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// StorageClassToSelectableFields returns a label set that represents the object
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func StorageClassToSelectableFields(storageClass *storage.StorageClass) fields.Set {
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return generic.ObjectMetaFieldsSet(&storageClass.ObjectMeta, false)
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}
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