Update kube-openapi to use validation

vendor/k8s.io/kube-openapi/pkg/util/proto/validation/validation.go

@@ -0,0 +1,30 @@
+/*
+Copyright 2017 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 validation
+
+import (
+	"k8s.io/kube-openapi/pkg/util/proto"
+)
+
+func ValidateModel(obj interface{}, schema proto.Schema, name string) []error {
+	rootValidation, err := itemFactory(proto.NewPath(name), obj)
+	if err != nil {
+		return []error{err}
+	}
+	schema.Accept(rootValidation)
+	return rootValidation.Errors()
+}