fix e2e tests which use SAs for permissions

test/e2e/framework/authorizer_util.go

@@ -0,0 +1,58 @@
+/*
+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.
+*/
+
+package framework
+
+import (
+	"time"
+
+	authorizationv1beta1 "k8s.io/kubernetes/pkg/apis/authorization/v1beta1"
+	v1beta1authorization "k8s.io/kubernetes/pkg/client/clientset_generated/clientset/typed/authorization/v1beta1"
+	"k8s.io/kubernetes/pkg/runtime/schema"
+	"k8s.io/kubernetes/pkg/util/wait"
+)
+
+const (
+	policyCachePollInterval = 100 * time.Millisecond
+	policyCachePollTimeout  = 5 * time.Second
+)
+
+// WaitForAuthorizationUpdate checks if the given user can perform the named verb and action.
+// If policyCachePollTimeout is reached without the expected condition matching, an error is returned
+func WaitForAuthorizationUpdate(c v1beta1authorization.SubjectAccessReviewsGetter, user, namespace, verb string, resource schema.GroupResource, allowed bool) error {
+	review := &authorizationv1beta1.SubjectAccessReview{
+		Spec: authorizationv1beta1.SubjectAccessReviewSpec{
+			ResourceAttributes: &authorizationv1beta1.ResourceAttributes{
+				Group:     resource.Group,
+				Verb:      verb,
+				Resource:  resource.Resource,
+				Namespace: namespace,
+			},
+			User: user,
+		},
+	}
+	err := wait.Poll(policyCachePollInterval, policyCachePollTimeout, func() (bool, error) {
+		response, err := c.SubjectAccessReviews().Create(review)
+		if err != nil {
+			return false, err
+		}
+		if response.Status.Allowed != allowed {
+			return false, nil
+		}
+		return true, nil
+	})
+	return err
+}