mirror of https://github.com/k3s-io/k3s
77 lines
2.8 KiB
Go
77 lines
2.8 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package etcd
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import (
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/controller"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/generic"
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etcdgeneric "github.com/GoogleCloudPlatform/kubernetes/pkg/registry/generic/etcd"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/tools"
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)
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// rest implements a RESTStorage for replication controllers against etcd
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type REST struct {
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*etcdgeneric.Etcd
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}
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// controllerPrefix is the location for controllers in etcd, only exposed
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// for testing
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var controllerPrefix = "/controllers"
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// NewREST returns a RESTStorage object that will work against replication controllers.
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func NewREST(h tools.EtcdHelper) *REST {
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store := &etcdgeneric.Etcd{
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NewFunc: func() runtime.Object { return &api.ReplicationController{} },
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// NewListFunc returns an object capable of storing results of an etcd list.
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NewListFunc: func() runtime.Object { return &api.ReplicationControllerList{} },
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// Produces a path that etcd understands, to the root of the resource
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// by combining the namespace in the context with the given prefix
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KeyRootFunc: func(ctx api.Context) string {
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return etcdgeneric.NamespaceKeyRootFunc(ctx, controllerPrefix)
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},
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// Produces a path that etcd understands, to the resource by combining
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// the namespace in the context with the given prefix
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KeyFunc: func(ctx api.Context, name string) (string, error) {
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return etcdgeneric.NamespaceKeyFunc(ctx, controllerPrefix, name)
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},
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// Retrieve the name field of a replication controller
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ObjectNameFunc: func(obj runtime.Object) (string, error) {
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return obj.(*api.ReplicationController).Name, nil
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},
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// Used to match objects based on labels/fields for list and watch
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PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
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return controller.MatchController(label, field)
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},
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EndpointName: "replicationControllers",
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// Used to validate controller creation
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CreateStrategy: controller.Strategy,
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// Used to validate controller updates
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UpdateStrategy: controller.Strategy,
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Helper: h,
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}
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return &REST{store}
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}
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