k8s.io/kubernetes@v1.29.3/pkg/registry/admissionregistration/validatingadmissionpolicybinding/storage/storage.go (about) 1 /* 2 Copyright 2022 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 storage 18 19 import ( 20 "context" 21 22 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" 23 "k8s.io/apimachinery/pkg/runtime" 24 "k8s.io/apiserver/pkg/authorization/authorizer" 25 "k8s.io/apiserver/pkg/registry/generic" 26 genericregistry "k8s.io/apiserver/pkg/registry/generic/registry" 27 "k8s.io/apiserver/pkg/registry/rest" 28 "k8s.io/kubernetes/pkg/apis/admissionregistration" 29 "k8s.io/kubernetes/pkg/printers" 30 printersinternal "k8s.io/kubernetes/pkg/printers/internalversion" 31 printerstorage "k8s.io/kubernetes/pkg/printers/storage" 32 "k8s.io/kubernetes/pkg/registry/admissionregistration/resolver" 33 "k8s.io/kubernetes/pkg/registry/admissionregistration/validatingadmissionpolicybinding" 34 ) 35 36 // REST implements a RESTStorage for policyBinding against etcd 37 type REST struct { 38 *genericregistry.Store 39 } 40 41 var groupResource = admissionregistration.Resource("validatingadmissionpolicybindings") 42 43 // NewREST returns a RESTStorage object that will work against policyBinding. 44 func NewREST(optsGetter generic.RESTOptionsGetter, authorizer authorizer.Authorizer, policyGetter PolicyGetter, resourceResolver resolver.ResourceResolver) (*REST, error) { 45 r := &REST{} 46 strategy := validatingadmissionpolicybinding.NewStrategy(authorizer, policyGetter, resourceResolver) 47 store := &genericregistry.Store{ 48 NewFunc: func() runtime.Object { return &admissionregistration.ValidatingAdmissionPolicyBinding{} }, 49 NewListFunc: func() runtime.Object { return &admissionregistration.ValidatingAdmissionPolicyBindingList{} }, 50 ObjectNameFunc: func(obj runtime.Object) (string, error) { 51 return obj.(*admissionregistration.ValidatingAdmissionPolicyBinding).Name, nil 52 }, 53 DefaultQualifiedResource: groupResource, 54 SingularQualifiedResource: admissionregistration.Resource("validatingadmissionpolicybinding"), 55 56 CreateStrategy: strategy, 57 UpdateStrategy: strategy, 58 DeleteStrategy: strategy, 59 60 TableConvertor: printerstorage.TableConvertor{TableGenerator: printers.NewTableGenerator().With(printersinternal.AddHandlers)}, 61 } 62 options := &generic.StoreOptions{RESTOptions: optsGetter} 63 if err := store.CompleteWithOptions(options); err != nil { 64 return nil, err 65 } 66 r.Store = store 67 return r, nil 68 } 69 70 // Implement CategoriesProvider 71 var _ rest.CategoriesProvider = &REST{} 72 73 // Categories implements the CategoriesProvider interface. Returns a list of categories a resource is part of. 74 func (r *REST) Categories() []string { 75 return []string{"api-extensions"} 76 } 77 78 type PolicyGetter interface { 79 // GetValidatingAdmissionPolicy returns a GetValidatingAdmissionPolicy 80 // by its name. There is no namespace because it is cluster-scoped. 81 GetValidatingAdmissionPolicy(ctx context.Context, name string) (*admissionregistration.ValidatingAdmissionPolicy, error) 82 } 83 84 type DefaultPolicyGetter struct { 85 Getter rest.Getter 86 } 87 88 func (g *DefaultPolicyGetter) GetValidatingAdmissionPolicy(ctx context.Context, name string) (*admissionregistration.ValidatingAdmissionPolicy, error) { 89 p, err := g.Getter.Get(ctx, name, &metav1.GetOptions{}) 90 if err != nil { 91 return nil, err 92 } 93 return p.(*admissionregistration.ValidatingAdmissionPolicy), err 94 }