| /* |
| 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 generic |
| |
| import ( |
| "github.com/golang/glog" |
| "k8s.io/apimachinery/pkg/runtime" |
| "k8s.io/apiserver/pkg/storage" |
| "k8s.io/apiserver/pkg/storage/storagebackend" |
| "k8s.io/apiserver/pkg/storage/storagebackend/factory" |
| ) |
| |
| // StorageDecorator is a function signature for producing a storage.Interface |
| // and an associated DestroyFunc from given parameters. |
| type StorageDecorator func( |
| config *storagebackend.Config, |
| objectType runtime.Object, |
| resourcePrefix string, |
| keyFunc func(obj runtime.Object) (string, error), |
| newListFunc func() runtime.Object, |
| getAttrsFunc storage.AttrFunc, |
| trigger storage.TriggerPublisherFunc) (storage.Interface, factory.DestroyFunc) |
| |
| // UndecoratedStorage returns the given a new storage from the given config |
| // without any decoration. |
| func UndecoratedStorage( |
| config *storagebackend.Config, |
| objectType runtime.Object, |
| resourcePrefix string, |
| keyFunc func(obj runtime.Object) (string, error), |
| newListFunc func() runtime.Object, |
| getAttrsFunc storage.AttrFunc, |
| trigger storage.TriggerPublisherFunc) (storage.Interface, factory.DestroyFunc) { |
| return NewRawStorage(config) |
| } |
| |
| // NewRawStorage creates the low level kv storage. This is a work-around for current |
| // two layer of same storage interface. |
| // TODO: Once cacher is enabled on all registries (event registry is special), we will remove this method. |
| func NewRawStorage(config *storagebackend.Config) (storage.Interface, factory.DestroyFunc) { |
| s, d, err := factory.Create(*config) |
| if err != nil { |
| glog.Fatalf("Unable to create storage backend: config (%v), err (%v)", config, err) |
| } |
| return s, d |
| } |