Add +k8s:openapi-gen tag to API types

cmd/libs/go2idl/client-gen/test_apis/testgroup.k8s.io/v1/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// +k8s:openapi-gen=true
+package v1

cmd/libs/go2idl/client-gen/test_apis/testgroup.k8s.io/v1/types.go

@@ -25,8 +25,12 @@ import (
 
 type TestType struct {
 	unversioned.TypeMeta `json:",inline"`
-	api.ObjectMeta       `json:"metadata,omitempty"`
-	Status               TestTypeStatus `json:"status,omitempty"`
+	// ---
+	// the next tag removes the field from openapi spec. Adding unversioned objectMeta bring in a whole set of
+	// unversioned objects in the generate file that is not used anywhere other than this test type.
+	// +k8s:openapi-gen=false
+	api.ObjectMeta `json:"metadata,omitempty"`
+	Status         TestTypeStatus `json:"status,omitempty"`
 }
 
 type TestTypeList struct {