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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"
metainternal "k8s.io/apimachinery/pkg/apis/meta/internalversion"
"k8s.io/apimachinery/pkg/runtime"
genericregistry "k8s.io/apiserver/pkg/registry/generic"
"k8s.io/apiserver/pkg/registry/generic/registry"
"k8s.io/apiserver/pkg/registry/rest"
"tkestack.io/tke/api/platform"
apiserverutil "tkestack.io/tke/pkg/apiserver/util"
"tkestack.io/tke/pkg/platform/registry/configmap"
"tkestack.io/tke/pkg/util/log"
)
// Storage includes storage for namespace set and all sub resources.
type Storage struct {
ConfigMap *REST
}
// NewStorage returns a Storage object that will work against namespace sets.
func NewStorage(optsGetter genericregistry.RESTOptionsGetter) *Storage {
strategy := configmap.NewStrategy()
store := ®istry.Store{
NewFunc: func() runtime.Object { return &platform.ConfigMap{} },
NewListFunc: func() runtime.Object { return &platform.ConfigMapList{} },
DefaultQualifiedResource: platform.Resource("configmaps"),
CreateStrategy: strategy,
UpdateStrategy: strategy,
DeleteStrategy: strategy,
}
store.TableConvertor = rest.NewDefaultTableConvertor(store.DefaultQualifiedResource)
options := &genericregistry.StoreOptions{
RESTOptions: optsGetter,
}
if err := store.CompleteWithOptions(options); err != nil {
log.Panic("Failed to create configmap etcd rest storage", log.Err(err))
}
return &Storage{
ConfigMap: &REST{store},
}
}
// REST implements a RESTStorage for namespace sets against etcd.
type REST struct {
*registry.Store
}
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{"cm"}
}
// List selects resources in the storage which match to the selector. 'options' can be nil.
func (r *REST) List(ctx context.Context, options *metainternal.ListOptions) (runtime.Object, error) {
wrappedOptions := apiserverutil.PredicateListOptions(ctx, options)
return r.Store.List(ctx, wrappedOptions)
}