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storage.go
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storage.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package storage
import (
"context"
"tkestack.io/tke/pkg/platform/proxy"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
genericregistry "k8s.io/apiserver/pkg/registry/generic"
"k8s.io/apiserver/pkg/registry/rest"
platforminternalclient "tkestack.io/tke/api/client/clientset/internalversion/typed/platform/internalversion"
)
// Storage includes storage for resources.
type Storage struct {
PersistentVolume *REST
Status *StatusREST
Events *EventREST
}
// REST implements pkg/api/rest.StandardStorage
type REST struct {
*proxy.Store
}
// NewStorage returns a Storage object that will work against resources.
func NewStorage(_ genericregistry.RESTOptionsGetter, platformClient platforminternalclient.PlatformInterface) *Storage {
persistentVolumeStore := &proxy.Store{
NewFunc: func() runtime.Object { return &corev1.PersistentVolume{} },
NewListFunc: func() runtime.Object { return &corev1.PersistentVolumeList{} },
Namespaced: false,
PlatformClient: platformClient,
}
statusStore := *persistentVolumeStore
return &Storage{
PersistentVolume: &REST{persistentVolumeStore},
Status: &StatusREST{
store: &statusStore,
},
Events: &EventREST{
platformClient: platformClient,
},
}
}
// 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{"pv"}
}
// StatusREST implements the REST endpoint for changing the status of a resource
type StatusREST struct {
rest.Storage
store *proxy.Store
}
// StatusREST implements Patcher
var _ = rest.Patcher(&StatusREST{})
// New returns an empty object that can be used with Create and Update after
// request data has been put into it.
func (r *StatusREST) New() runtime.Object {
return r.store.New()
}
// Get retrieves the object from the storage. It is required to support Patch.
func (r *StatusREST) Get(ctx context.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 context.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc, forceAllowCreate bool, options *metav1.UpdateOptions) (runtime.Object, bool, error) {
// We are explicitly setting forceAllowCreate to false in the call to the underlying storage because
// subresources should never allow create on update.
return r.store.Update(ctx, name, objInfo, createValidation, updateValidation, false, options)
}