show how flags could be bound to featuresets

Author: deads2k

staging/src/k8s.io/apiextensions-apiserver/pkg/cmd/server/options/options.go

@@ -28,6 +28,7 @@ import (
 	v1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
 	"k8s.io/apiextensions-apiserver/pkg/apiserver"
+	"k8s.io/apiextensions-apiserver/pkg/features"
 	generatedopenapi "k8s.io/apiextensions-apiserver/pkg/generated/openapi"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	utilerrors "k8s.io/apimachinery/pkg/util/errors"
@@ -60,7 +61,7 @@ type CustomResourceDefinitionsServerOptions struct {
 // NewCustomResourceDefinitionsServerOptions creates default options of an apiextensions-apiserver.
 func NewCustomResourceDefinitionsServerOptions(out, errOut io.Writer) *CustomResourceDefinitionsServerOptions {
 	o := &CustomResourceDefinitionsServerOptions{
-		ServerRunOptions: genericoptions.NewServerRunOptions(),
+		ServerRunOptions: genericoptions.NewServerRunOptions(features.LibraryFeatureSet()),
 		RecommendedOptions: genericoptions.NewRecommendedOptions(
 			defaultEtcdPathPrefix,
 			apiserver.Codecs.LegacyCodec(v1beta1.SchemeGroupVersion, v1.SchemeGroupVersion),