k8s.io/kubernetes@v1.29.3/pkg/registry/resource/rest/storage_resource.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 rest
    18  
    19  import (
    20  	resourcev1alpha2 "k8s.io/api/resource/v1alpha2"
    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/resource"
    27  	podschedulingcontextsstore "k8s.io/kubernetes/pkg/registry/resource/podschedulingcontext/storage"
    28  	resourceclaimstore "k8s.io/kubernetes/pkg/registry/resource/resourceclaim/storage"
    29  	resourceclaimtemplatestore "k8s.io/kubernetes/pkg/registry/resource/resourceclaimtemplate/storage"
    30  	resourceclassstore "k8s.io/kubernetes/pkg/registry/resource/resourceclass/storage"
    31  )
    32  
    33  type RESTStorageProvider struct{}
    34  
    35  func (p RESTStorageProvider) NewRESTStorage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (genericapiserver.APIGroupInfo, error) {
    36  	apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(resource.GroupName, legacyscheme.Scheme, legacyscheme.ParameterCodec, legacyscheme.Codecs)
    37  	// 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.
    38  	// TODO refactor the plumbing to provide the information in the APIGroupInfo
    39  
    40  	if storageMap, err := p.v1alpha2Storage(apiResourceConfigSource, restOptionsGetter); err != nil {
    41  		return genericapiserver.APIGroupInfo{}, err
    42  	} else if len(storageMap) > 0 {
    43  		apiGroupInfo.VersionedResourcesStorageMap[resourcev1alpha2.SchemeGroupVersion.Version] = storageMap
    44  	}
    45  
    46  	return apiGroupInfo, nil
    47  }
    48  
    49  func (p RESTStorageProvider) v1alpha2Storage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (map[string]rest.Storage, error) {
    50  	storage := map[string]rest.Storage{}
    51  
    52  	if resource := "resourceclasses"; apiResourceConfigSource.ResourceEnabled(resourcev1alpha2.SchemeGroupVersion.WithResource(resource)) {
    53  		resourceClassStorage, err := resourceclassstore.NewREST(restOptionsGetter)
    54  		if err != nil {
    55  			return nil, err
    56  		}
    57  		storage[resource] = resourceClassStorage
    58  	}
    59  
    60  	if resource := "resourceclaims"; apiResourceConfigSource.ResourceEnabled(resourcev1alpha2.SchemeGroupVersion.WithResource(resource)) {
    61  		resourceClaimStorage, resourceClaimStatusStorage, err := resourceclaimstore.NewREST(restOptionsGetter)
    62  		if err != nil {
    63  			return nil, err
    64  		}
    65  		storage[resource] = resourceClaimStorage
    66  		storage[resource+"/status"] = resourceClaimStatusStorage
    67  	}
    68  
    69  	if resource := "resourceclaimtemplates"; apiResourceConfigSource.ResourceEnabled(resourcev1alpha2.SchemeGroupVersion.WithResource(resource)) {
    70  		resourceClaimTemplateStorage, err := resourceclaimtemplatestore.NewREST(restOptionsGetter)
    71  		if err != nil {
    72  			return nil, err
    73  		}
    74  		storage[resource] = resourceClaimTemplateStorage
    75  	}
    76  
    77  	if resource := "podschedulingcontexts"; apiResourceConfigSource.ResourceEnabled(resourcev1alpha2.SchemeGroupVersion.WithResource(resource)) {
    78  		podSchedulingStorage, podSchedulingStatusStorage, err := podschedulingcontextsstore.NewREST(restOptionsGetter)
    79  		if err != nil {
    80  			return nil, err
    81  		}
    82  		storage[resource] = podSchedulingStorage
    83  		storage[resource+"/status"] = podSchedulingStatusStorage
    84  	}
    85  
    86  	return storage, nil
    87  }
    88  
    89  func (p RESTStorageProvider) GroupName() string {
    90  	return resource.GroupName
    91  }