100 lines
3.2 KiB
Go
100 lines
3.2 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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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 apiservice
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import (
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"fmt"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/labels"
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"k8s.io/kubernetes/pkg/registry/generic"
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"k8s.io/kubernetes/pkg/registry/generic/registry"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/storage"
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"k8s.io/kubernetes/cmd/kubernetes-discovery/pkg/apis/apiregistration"
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)
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// rest implements a RESTStorage for network policies against etcd
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type REST struct {
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*registry.Store
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}
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// NewREST returns a RESTStorage object that will work against network policies.
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func NewREST(opts generic.RESTOptions) *REST {
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prefix := "/" + opts.ResourcePrefix
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newListFunc := func() runtime.Object { return &apiregistration.APIServiceList{} }
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storageInterface, dFunc := opts.Decorator(
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opts.StorageConfig,
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1000, // cache size
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&apiregistration.APIService{},
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prefix,
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strategy,
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newListFunc,
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getAttrs,
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storage.NoTriggerPublisher,
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)
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store := ®istry.Store{
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NewFunc: func() runtime.Object { return &apiregistration.APIService{} },
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// NewListFunc returns an object capable of storing results of an etcd list.
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NewListFunc: newListFunc,
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// Produces a APIService 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 prefix
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},
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// Produces a APIService 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 registry.NoNamespaceKeyFunc(ctx, prefix, name)
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},
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// Retrieve the name field of an apiserver
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ObjectNameFunc: func(obj runtime.Object) (string, error) {
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return obj.(*apiregistration.APIService).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: MatchAPIService,
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QualifiedResource: apiregistration.Resource("apiservers"),
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EnableGarbageCollection: opts.EnableGarbageCollection,
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DeleteCollectionWorkers: opts.DeleteCollectionWorkers,
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// Used to validate controller creation
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CreateStrategy: strategy,
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// Used to validate controller updates
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UpdateStrategy: strategy,
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DeleteStrategy: strategy,
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Storage: storageInterface,
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DestroyFunc: dFunc,
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}
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return &REST{store}
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}
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// getAttrs returns labels and fields of a given object for filtering purposes.
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func getAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
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castObj, ok := obj.(*apiregistration.APIService)
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if !ok {
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return nil, nil, fmt.Errorf("given object is not an APIService.")
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}
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return labels.Set(castObj.ObjectMeta.Labels), APIServiceToSelectableFields(castObj), nil
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}
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