k8s.io/kubernetes@v1.31.0-alpha.0.0.20240520171757-56147500dadc/pkg/registry/apiserverinternal/rest/storage.go (about) 1 /* 2 Copyright 2020 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 apiserverv1alpha1 "k8s.io/api/apiserverinternal/v1alpha1" 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 "k8s.io/kubernetes/pkg/apis/apiserverinternal" 27 storageversionstorage "k8s.io/kubernetes/pkg/registry/apiserverinternal/storageversion/storage" 28 ) 29 30 // StorageProvider is a REST storage provider for internal.apiserver.k8s.io 31 type StorageProvider struct{} 32 33 // NewRESTStorage returns a StorageProvider 34 func (p StorageProvider) NewRESTStorage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (genericapiserver.APIGroupInfo, error) { 35 apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(apiserverinternal.GroupName, legacyscheme.Scheme, legacyscheme.ParameterCodec, legacyscheme.Codecs) 36 37 if storageMap, err := p.v1alpha1Storage(apiResourceConfigSource, restOptionsGetter); err != nil { 38 return genericapiserver.APIGroupInfo{}, err 39 } else if len(storageMap) > 0 { 40 apiGroupInfo.VersionedResourcesStorageMap[apiserverv1alpha1.SchemeGroupVersion.Version] = storageMap 41 } 42 43 return apiGroupInfo, nil 44 } 45 46 func (p StorageProvider) v1alpha1Storage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (map[string]rest.Storage, error) { 47 storage := map[string]rest.Storage{} 48 49 if resource := "storageversions"; apiResourceConfigSource.ResourceEnabled(apiserverv1alpha1.SchemeGroupVersion.WithResource(resource)) { 50 s, status, err := storageversionstorage.NewREST(restOptionsGetter) 51 if err != nil { 52 return nil, err 53 } 54 storage[resource] = s 55 storage[resource+"/status"] = status 56 } 57 58 return storage, nil 59 } 60 61 // GroupName is the group name for the storage provider 62 func (p StorageProvider) GroupName() string { 63 return apiserverinternal.GroupName 64 }