add missing scheme

Signed-off-by: 守辰 <shouchen.zz@alibaba-inc.com>

utils/scheme/scheme.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2018 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.
+*/
+
+package scheme
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// Builder builds a new Scheme for mapping go types to Kubernetes GroupVersionKinds.
+type Builder struct {
+	GroupVersion schema.GroupVersion
+	runtime.SchemeBuilder
+}
+
+// Register adds one or objects to the SchemeBuilder so they can be added to a Scheme.  Register mutates bld.
+func (bld *Builder) Register(object ...runtime.Object) *Builder {
+	bld.SchemeBuilder.Register(func(scheme *runtime.Scheme) error {
+		scheme.AddKnownTypes(bld.GroupVersion, object...)
+		metav1.AddToGroupVersion(scheme, bld.GroupVersion)
+		return nil
+	})
+	return bld
+}
+
+// RegisterAll registers all types from the Builder argument.  RegisterAll mutates bld.
+func (bld *Builder) RegisterAll(b *Builder) *Builder {
+	bld.SchemeBuilder = append(bld.SchemeBuilder, b.SchemeBuilder...)
+	return bld
+}
+
+// AddToScheme adds all registered types to s.
+func (bld *Builder) AddToScheme(s *runtime.Scheme) error {
+	return bld.SchemeBuilder.AddToScheme(s)
+}
+
+// Build returns a new Scheme containing the registered types.
+func (bld *Builder) Build() (*runtime.Scheme, error) {
+	s := runtime.NewScheme()
+	return s, bld.AddToScheme(s)
+}