k8s.io/kubernetes@v1.29.3/pkg/registry/node/rest/runtime_class.go (about) 1 /* 2 Copyright 2019 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package rest 18 19 import ( 20 nodev1 "k8s.io/api/node/v1" 21 "k8s.io/apiserver/pkg/registry/generic" 22 "k8s.io/apiserver/pkg/registry/rest" 23 genericapiserver "k8s.io/apiserver/pkg/server" 24 serverstorage "k8s.io/apiserver/pkg/server/storage" 25 "k8s.io/kubernetes/pkg/api/legacyscheme" 26 nodeinternal "k8s.io/kubernetes/pkg/apis/node" 27 runtimeclassstorage "k8s.io/kubernetes/pkg/registry/node/runtimeclass/storage" 28 ) 29 30 // RESTStorageProvider is a REST storage provider for node.k8s.io 31 type RESTStorageProvider struct{} 32 33 // NewRESTStorage returns a RESTStorageProvider 34 func (p RESTStorageProvider) NewRESTStorage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (genericapiserver.APIGroupInfo, error) { 35 apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(nodeinternal.GroupName, legacyscheme.Scheme, legacyscheme.ParameterCodec, legacyscheme.Codecs) 36 37 if storageMap, err := p.v1Storage(apiResourceConfigSource, restOptionsGetter); err != nil { 38 return genericapiserver.APIGroupInfo{}, err 39 } else if len(storageMap) > 0 { 40 apiGroupInfo.VersionedResourcesStorageMap[nodev1.SchemeGroupVersion.Version] = storageMap 41 } 42 43 return apiGroupInfo, nil 44 } 45 46 func (p RESTStorageProvider) v1Storage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (map[string]rest.Storage, error) { 47 storage := map[string]rest.Storage{} 48 49 if resource := "runtimeclasses"; apiResourceConfigSource.ResourceEnabled(nodev1.SchemeGroupVersion.WithResource(resource)) { 50 s, err := runtimeclassstorage.NewREST(restOptionsGetter) 51 if err != nil { 52 return storage, err 53 } 54 storage[resource] = s 55 } 56 57 return storage, nil 58 } 59 60 // GroupName is the group name for the storage provider 61 func (p RESTStorageProvider) GroupName() string { 62 return nodeinternal.GroupName 63 }