switch rbac to external

pkg/registry/rbac/validation/internal_version_adapter.go

@@ -0,0 +1,39 @@
+/*
+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 validation
+
+import (
+	"context"
+
+	rbacv1 "k8s.io/api/rbac/v1"
+	"k8s.io/kubernetes/pkg/apis/rbac"
+	rbacv1helpers "k8s.io/kubernetes/pkg/apis/rbac/v1"
+)
+
+func ConfirmNoEscalationInternal(ctx context.Context, ruleResolver AuthorizationRuleResolver, inRules []rbac.PolicyRule) error {
+	rules := []rbacv1.PolicyRule{}
+	for i := range inRules {
+		v1Rule := rbacv1.PolicyRule{}
+		err := rbacv1helpers.Convert_rbac_PolicyRule_To_v1_PolicyRule(&inRules[i], &v1Rule, nil)
+		if err != nil {
+			return err
+		}
+		rules = append(rules, v1Rule)
+	}
+
+	return ConfirmNoEscalation(ctx, ruleResolver, rules)
+}