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storage.go
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storage.go
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/*
Copyright 2015 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 storage
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/generic"
genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
"k8s.io/apiserver/pkg/registry/rest"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/registry/core/persistentvolumeclaim"
)
type REST struct {
*genericregistry.Store
}
// NewREST returns a RESTStorage object that will work against persistent volume claims.
func NewREST(optsGetter generic.RESTOptionsGetter) (*REST, *StatusREST) {
store := &genericregistry.Store{
NewFunc: func() runtime.Object { return &api.PersistentVolumeClaim{} },
NewListFunc: func() runtime.Object { return &api.PersistentVolumeClaimList{} },
PredicateFunc: persistentvolumeclaim.MatchPersistentVolumeClaim,
DefaultQualifiedResource: api.Resource("persistentvolumeclaims"),
CreateStrategy: persistentvolumeclaim.Strategy,
UpdateStrategy: persistentvolumeclaim.Strategy,
DeleteStrategy: persistentvolumeclaim.Strategy,
ReturnDeletedObject: true,
}
options := &generic.StoreOptions{RESTOptions: optsGetter, AttrFunc: persistentvolumeclaim.GetAttrs}
if err := store.CompleteWithOptions(options); err != nil {
panic(err) // TODO: Propagate error up
}
statusStore := *store
statusStore.UpdateStrategy = persistentvolumeclaim.StatusStrategy
return &REST{store}, &StatusREST{store: &statusStore}
}
// Implement ShortNamesProvider
var _ rest.ShortNamesProvider = &REST{}
// ShortNames implements the ShortNamesProvider interface. Returns a list of short names for a resource.
func (r *REST) ShortNames() []string {
return []string{"pvc"}
}
// StatusREST implements the REST endpoint for changing the status of a persistentvolumeclaim.
type StatusREST struct {
store *genericregistry.Store
}
func (r *StatusREST) New() runtime.Object {
return &api.PersistentVolumeClaim{}
}
// Get retrieves the object from the storage. It is required to support Patch.
func (r *StatusREST) Get(ctx genericapirequest.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
return r.store.Get(ctx, name, options)
}
// Update alters the status subset of an object.
func (r *StatusREST) Update(ctx genericapirequest.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc) (runtime.Object, bool, error) {
return r.store.Update(ctx, name, objInfo, createValidation, updateValidation)
}