K8s: handle multiple versions of the same group in standalone mode (#93199)

pkg/registry/apis/service/register.go

@@ -4,7 +4,6 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/runtime/serializer"
 	"k8s.io/apiserver/pkg/authorization/authorizer"
 	"k8s.io/apiserver/pkg/registry/generic"
 	"k8s.io/apiserver/pkg/registry/rest"
@@ -71,23 +70,16 @@ func (b *ServiceAPIBuilder) InstallSchema(scheme *runtime.Scheme) error {
 	return scheme.SetVersionPriority(gv)
 }
 
-func (b *ServiceAPIBuilder) GetAPIGroupInfo(
-	scheme *runtime.Scheme,
-	codecs serializer.CodecFactory,
-	optsGetter generic.RESTOptionsGetter,
-	_ grafanarest.DualWriteBuilder,
-) (*genericapiserver.APIGroupInfo, error) {
-	apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(service.GROUP, scheme, metav1.ParameterCodec, codecs)
-
+func (b *ServiceAPIBuilder) UpdateAPIGroupInfo(apiGroupInfo *genericapiserver.APIGroupInfo, scheme *runtime.Scheme, optsGetter generic.RESTOptionsGetter, _ grafanarest.DualWriteBuilder) error {
 	resourceInfo := service.ExternalNameResourceInfo
 	storage := map[string]rest.Storage{}
 	serviceStorage, err := newStorage(scheme, optsGetter)
 	if err != nil {
-		return nil, err
+		return err
 	}
 	storage[resourceInfo.StoragePath()] = serviceStorage
 	apiGroupInfo.VersionedResourcesStorageMap[service.VERSION] = storage
-	return &apiGroupInfo, nil
+	return nil
 }
 
 func (b *ServiceAPIBuilder) GetOpenAPIDefinitions() common.GetOpenAPIDefinitions {