Un-revert #4551 which moved the certs.sh e2e test to ginkgo and fix the

e2e auth breakage it caused. The fix is to not set project/zone/kube_master
to the empty string partway through the script, which I should have
realized was a bad idea in the first place.

test/e2e/certs.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2015 Google Inc. All rights reserved.
+
+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 e2e
+
+import (
+	"fmt"
+	"os/exec"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("MasterCerts", func() {
+	var c *client.Client
+
+	BeforeEach(func() {
+		var err error
+		c, err = loadClient()
+		Expect(err).NotTo(HaveOccurred())
+	})
+
+	It("should have all expected certs on the master", func() {
+		if testContext.provider != "gce" && testContext.provider != "gke" {
+			By(fmt.Sprintf("Skipping MasterCerts test for cloud provider %s (only supported for gce and gke)", testContext.provider))
+			return
+		}
+
+		for _, certFile := range []string{"kubecfg.key", "kubecfg.crt", "ca.crt"} {
+			cmd := exec.Command("gcloud", "compute", "ssh", "--project", testContext.gceConfig.ProjectID,
+				"--zone", testContext.gceConfig.Zone, testContext.gceConfig.MasterName,
+				"--command", fmt.Sprintf("ls /srv/kubernetes/%s", certFile))
+			if _, err := cmd.CombinedOutput(); err != nil {
+				Fail(fmt.Sprintf("Error checking for cert file %s on master: %v", certFile, err))
+			}
+		}
+	})
+})