Implement ExternalName in kube-dns e2e tests

cluster/addons/dns/skydns-rc.yaml.base

@@ -44,7 +44,7 @@ spec:
     spec:
       containers:
       - name: kubedns
-        image: gcr.io/google_containers/kubedns-amd64:1.6
+        image: gcr.io/google_containers/kubedns-amd64:1.7
         resources:
           # TODO: Set memory limits when we've profiled the container for large
           # clusters, then set request = limit to keep this container in

cluster/addons/dns/skydns-rc.yaml.in

@@ -44,7 +44,7 @@ spec:
     spec:
       containers:
       - name: kubedns
-        image: gcr.io/google_containers/kubedns-amd64:1.6
+        image: gcr.io/google_containers/kubedns-amd64:1.7
         resources:
           # TODO: Set memory limits when we've profiled the container for large
           # clusters, then set request = limit to keep this container in

cluster/addons/dns/skydns-rc.yaml.sed

@@ -44,7 +44,7 @@ spec:
     spec:
       containers:
       - name: kubedns
-        image: gcr.io/google_containers/kubedns-amd64:1.6
+        image: gcr.io/google_containers/kubedns-amd64:1.7
         resources:
           # TODO: Set memory limits when we've profiled the container for large
           # clusters, then set request = limit to keep this container in

test/e2e/petset.go

@@ -83,7 +83,7 @@ var _ = framework.KubeDescribe("PetSet [Slow] [Feature:PetSet]", func() {
 
 		BeforeEach(func() {
 			By("creating service " + headlessSvcName + " in namespace " + ns)
-			headlessService := createServiceSpec(headlessSvcName, true, labels)
+			headlessService := createServiceSpec(headlessSvcName, "", true, labels)
 			_, err := c.Services(ns).Create(headlessService)
 			Expect(err).NotTo(HaveOccurred())
 		})