storage_authorization.go

Documentation: k8s.io/kubernetes/pkg/registry/authorization/rest

     1  /*
     2  Copyright 2016 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  	authorizationv1 "k8s.io/api/authorization/v1"
    21  	"k8s.io/apiserver/pkg/authorization/authorizer"
    22  	"k8s.io/apiserver/pkg/registry/generic"
    23  	"k8s.io/apiserver/pkg/registry/rest"
    24  	genericapiserver "k8s.io/apiserver/pkg/server"
    25  	serverstorage "k8s.io/apiserver/pkg/server/storage"
    26  	"k8s.io/kubernetes/pkg/api/legacyscheme"
    27  	"k8s.io/kubernetes/pkg/apis/authorization"
    28  	"k8s.io/kubernetes/pkg/registry/authorization/localsubjectaccessreview"
    29  	"k8s.io/kubernetes/pkg/registry/authorization/selfsubjectaccessreview"
    30  	"k8s.io/kubernetes/pkg/registry/authorization/selfsubjectrulesreview"
    31  	"k8s.io/kubernetes/pkg/registry/authorization/subjectaccessreview"
    32  )
    33  
    34  type RESTStorageProvider struct {
    35  	Authorizer   authorizer.Authorizer
    36  	RuleResolver authorizer.RuleResolver
    37  }
    38  
    39  func (p RESTStorageProvider) NewRESTStorage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (genericapiserver.APIGroupInfo, error) {
    40  	if p.Authorizer == nil {
    41  		return genericapiserver.APIGroupInfo{}, nil
    42  	}
    43  
    44  	apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(authorization.GroupName, legacyscheme.Scheme, legacyscheme.ParameterCodec, legacyscheme.Codecs)
    45  	// If you add a version here, be sure to add an entry in `k8s.io/kubernetes/cmd/kube-apiserver/app/aggregator.go with specific priorities.
    46  	// TODO refactor the plumbing to provide the information in the APIGroupInfo
    47  
    48  	if storageMap := p.v1Storage(apiResourceConfigSource, restOptionsGetter); len(storageMap) > 0 {
    49  		apiGroupInfo.VersionedResourcesStorageMap[authorizationv1.SchemeGroupVersion.Version] = storageMap
    50  	}
    51  
    52  	return apiGroupInfo, nil
    53  }
    54  
    55  func (p RESTStorageProvider) v1Storage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) map[string]rest.Storage {
    56  	storage := map[string]rest.Storage{}
    57  
    58  	// subjectaccessreviews
    59  	if resource := "subjectaccessreviews"; apiResourceConfigSource.ResourceEnabled(authorizationv1.SchemeGroupVersion.WithResource(resource)) {
    60  		storage[resource] = subjectaccessreview.NewREST(p.Authorizer)
    61  	}
    62  
    63  	// selfsubjectaccessreviews
    64  	if resource := "selfsubjectaccessreviews"; apiResourceConfigSource.ResourceEnabled(authorizationv1.SchemeGroupVersion.WithResource(resource)) {
    65  		storage[resource] = selfsubjectaccessreview.NewREST(p.Authorizer)
    66  	}
    67  
    68  	// localsubjectaccessreviews
    69  	if resource := "localsubjectaccessreviews"; apiResourceConfigSource.ResourceEnabled(authorizationv1.SchemeGroupVersion.WithResource(resource)) {
    70  		storage[resource] = localsubjectaccessreview.NewREST(p.Authorizer)
    71  	}
    72  
    73  	// selfsubjectrulesreviews
    74  	if resource := "selfsubjectrulesreviews"; apiResourceConfigSource.ResourceEnabled(authorizationv1.SchemeGroupVersion.WithResource(resource)) {
    75  		storage[resource] = selfsubjectrulesreview.NewREST(p.RuleResolver)
    76  	}
    77  
    78  	return storage
    79  }
    80  
    81  func (p RESTStorageProvider) GroupName() string {
    82  	return authorization.GroupName
    83  }
    84
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