expose generic storage factory primitives

staging/src/k8s.io/apiserver/pkg/server/options/etcd.go

@@ -192,7 +192,7 @@ func (s *EtcdOptions) ApplyWithStorageFactoryTo(factory serverstorage.StorageFac
 	if err := s.addEtcdHealthEndpoint(c); err != nil {
 		return err
 	}
-	c.RESTOptionsGetter = &storageFactoryRestOptionsFactory{Options: *s, StorageFactory: factory}
+	c.RESTOptionsGetter = &StorageFactoryRestOptionsFactory{Options: *s, StorageFactory: factory}
 	return nil
 }
 
@@ -234,12 +234,12 @@ func (f *SimpleRestOptionsFactory) GetRESTOptions(resource schema.GroupResource)
 	return ret, nil
 }
 
-type storageFactoryRestOptionsFactory struct {
+type StorageFactoryRestOptionsFactory struct {
 	Options        EtcdOptions
 	StorageFactory serverstorage.StorageFactory
 }
 
-func (f *storageFactoryRestOptionsFactory) GetRESTOptions(resource schema.GroupResource) (generic.RESTOptions, error) {
+func (f *StorageFactoryRestOptionsFactory) GetRESTOptions(resource schema.GroupResource) (generic.RESTOptions, error) {
 	storageConfig, err := f.StorageFactory.NewConfig(resource)
 	if err != nil {
 		return generic.RESTOptions{}, fmt.Errorf("unable to find storage destination for %v, due to %v", resource, err.Error())