/* 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 ( "context" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "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" "k8s.io/kubernetes/pkg/apis/apps" "k8s.io/kubernetes/pkg/printers" printersinternal "k8s.io/kubernetes/pkg/printers/internalversion" printerstorage "k8s.io/kubernetes/pkg/printers/storage" "k8s.io/kubernetes/pkg/registry/apps/daemonset" "sigs.k8s.io/structured-merge-diff/v4/fieldpath" ) // REST implements a RESTStorage for DaemonSets type REST struct { *genericregistry.Store } // NewREST returns a RESTStorage object that will work against DaemonSets. func NewREST(optsGetter generic.RESTOptionsGetter) (*REST, *StatusREST, error) { store := &genericregistry.Store{ NewFunc: func() runtime.Object { return &apps.DaemonSet{} }, NewListFunc: func() runtime.Object { return &apps.DaemonSetList{} }, DefaultQualifiedResource: apps.Resource("daemonsets"), SingularQualifiedResource: apps.Resource("daemonset"), CreateStrategy: daemonset.Strategy, UpdateStrategy: daemonset.Strategy, DeleteStrategy: daemonset.Strategy, ResetFieldsStrategy: daemonset.Strategy, TableConvertor: printerstorage.TableConvertor{TableGenerator: printers.NewTableGenerator().With(printersinternal.AddHandlers)}, } options := &generic.StoreOptions{RESTOptions: optsGetter} if err := store.CompleteWithOptions(options); err != nil { return nil, nil, err } statusStore := *store statusStore.UpdateStrategy = daemonset.StatusStrategy statusStore.ResetFieldsStrategy = daemonset.StatusStrategy return &REST{store}, &StatusREST{store: &statusStore}, nil } // 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{"ds"} } var _ rest.CategoriesProvider = &REST{} // Categories implements the CategoriesProvider interface. Returns a list of categories a resource is part of. func (r *REST) Categories() []string { return []string{"all"} } // StatusREST implements the REST endpoint for changing the status of a daemonset type StatusREST struct { store *genericregistry.Store } // New creates a new DaemonSet object. func (r *StatusREST) New() runtime.Object { return &apps.DaemonSet{} } // Destroy cleans up resources on shutdown. func (r *StatusREST) Destroy() { // Given that underlying store is shared with REST, // we don't destroy it here explicitly. } // Get retrieves the object from the storage. It is required to support Patch. func (r *StatusREST) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) { return r.store.Get(ctx, name, options) } // Update alters the status subset of an object. func (r *StatusREST) Update(ctx context.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc, forceAllowCreate bool, options *metav1.UpdateOptions) (runtime.Object, bool, error) { // We are explicitly setting forceAllowCreate to false in the call to the underlying storage because // subresources should never allow create on update. return r.store.Update(ctx, name, objInfo, createValidation, updateValidation, false, options) } // GetResetFields implements rest.ResetFieldsStrategy func (r *StatusREST) GetResetFields() map[fieldpath.APIVersion]*fieldpath.Set { return r.store.GetResetFields() } func (r *StatusREST) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) { return r.store.ConvertToTable(ctx, object, tableOptions) }