| /* |
| 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 ( |
| "k8s.io/apimachinery/pkg/runtime" |
| "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/printers" |
| printersinternal "k8s.io/kubernetes/pkg/printers/internalversion" |
| printerstorage "k8s.io/kubernetes/pkg/printers/storage" |
| "k8s.io/kubernetes/pkg/registry/core/event" |
| ) |
| |
| type REST struct { |
| *genericregistry.Store |
| } |
| |
| // NewREST returns a RESTStorage object that will work against events. |
| func NewREST(optsGetter generic.RESTOptionsGetter, ttl uint64) *REST { |
| resource := api.Resource("events") |
| opts, err := optsGetter.GetRESTOptions(resource) |
| if err != nil { |
| panic(err) // TODO: Propagate error up |
| } |
| |
| // We explicitly do NOT do any decoration here - switching on Cacher |
| // for events will lead to too high memory consumption. |
| opts.Decorator = generic.UndecoratedStorage // TODO use watchCacheSize=-1 to signal UndecoratedStorage |
| |
| store := &genericregistry.Store{ |
| NewFunc: func() runtime.Object { return &api.Event{} }, |
| NewListFunc: func() runtime.Object { return &api.EventList{} }, |
| PredicateFunc: event.MatchEvent, |
| TTLFunc: func(runtime.Object, uint64, bool) (uint64, error) { |
| return ttl, nil |
| }, |
| DefaultQualifiedResource: resource, |
| |
| CreateStrategy: event.Strategy, |
| UpdateStrategy: event.Strategy, |
| DeleteStrategy: event.Strategy, |
| |
| TableConvertor: printerstorage.TableConvertor{TablePrinter: printers.NewTablePrinter().With(printersinternal.AddHandlers)}, |
| } |
| options := &generic.StoreOptions{RESTOptions: opts, AttrFunc: event.GetAttrs} // Pass in opts to use UndecoratedStorage |
| if err := store.CompleteWithOptions(options); err != nil { |
| panic(err) // TODO: Propagate error up |
| } |
| return &REST{store} |
| } |
| |
| // 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{"ev"} |
| } |