vendor files

vendor/k8s.io/kubernetes/test/e2e/common/util.go

@@ -0,0 +1,136 @@
+/*
+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 common
+
+import (
+	"fmt"
+	"time"
+
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/intstr"
+	"k8s.io/apimachinery/pkg/util/sets"
+	"k8s.io/apimachinery/pkg/util/wait"
+	clientset "k8s.io/client-go/kubernetes"
+	"k8s.io/kubernetes/test/e2e/framework"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+
+	. "github.com/onsi/ginkgo"
+)
+
+type Suite string
+
+const (
+	E2E     Suite = "e2e"
+	NodeE2E Suite = "node e2e"
+)
+
+var (
+	mountImage   = imageutils.GetE2EImage(imageutils.Mounttest)
+	busyboxImage = "busybox"
+)
+
+var CurrentSuite Suite
+
+// CommonImageWhiteList is the list of images used in common test. These images should be prepulled
+// before a tests starts, so that the tests won't fail due image pulling flakes. Currently, this is
+// only used by node e2e test.
+// TODO(random-liu): Change the image puller pod to use similar mechanism.
+var CommonImageWhiteList = sets.NewString(
+	"busybox",
+	imageutils.GetE2EImage(imageutils.EntrypointTester),
+	imageutils.GetE2EImage(imageutils.Liveness),
+	imageutils.GetE2EImage(imageutils.Mounttest),
+	imageutils.GetE2EImage(imageutils.MounttestUser),
+	imageutils.GetE2EImage(imageutils.Netexec),
+	imageutils.GetE2EImage(imageutils.NginxSlim),
+	imageutils.GetE2EImage(imageutils.ServeHostname),
+	imageutils.GetE2EImage(imageutils.TestWebserver),
+	imageutils.GetE2EImage(imageutils.Hostexec),
+	"gcr.io/google_containers/volume-nfs:0.8",
+	"gcr.io/google_containers/volume-gluster:0.2",
+	"gcr.io/google_containers/e2e-net-amd64:1.0",
+)
+
+func svcByName(name string, port int) *v1.Service {
+	return &v1.Service{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: name,
+		},
+		Spec: v1.ServiceSpec{
+			Type: v1.ServiceTypeNodePort,
+			Selector: map[string]string{
+				"name": name,
+			},
+			Ports: []v1.ServicePort{{
+				Port:       int32(port),
+				TargetPort: intstr.FromInt(port),
+			}},
+		},
+	}
+}
+
+func NewSVCByName(c clientset.Interface, ns, name string) error {
+	const testPort = 9376
+	_, err := c.CoreV1().Services(ns).Create(svcByName(name, testPort))
+	return err
+}
+
+// NewRCByName creates a replication controller with a selector by name of name.
+func NewRCByName(c clientset.Interface, ns, name string, replicas int32, gracePeriod *int64) (*v1.ReplicationController, error) {
+	By(fmt.Sprintf("creating replication controller %s", name))
+	return c.CoreV1().ReplicationControllers(ns).Create(framework.RcByNamePort(
+		name, replicas, framework.ServeHostnameImage, 9376, v1.ProtocolTCP, map[string]string{}, gracePeriod))
+}
+
+func RestartNodes(c clientset.Interface, nodeNames []string) error {
+	// List old boot IDs.
+	oldBootIDs := make(map[string]string)
+	for _, name := range nodeNames {
+		node, err := c.CoreV1().Nodes().Get(name, metav1.GetOptions{})
+		if err != nil {
+			return fmt.Errorf("error getting node info before reboot: %s", err)
+		}
+		oldBootIDs[name] = node.Status.NodeInfo.BootID
+	}
+	// Reboot the nodes.
+	args := []string{
+		"compute",
+		fmt.Sprintf("--project=%s", framework.TestContext.CloudConfig.ProjectID),
+		"instances",
+		"reset",
+	}
+	args = append(args, nodeNames...)
+	args = append(args, fmt.Sprintf("--zone=%s", framework.TestContext.CloudConfig.Zone))
+	stdout, stderr, err := framework.RunCmd("gcloud", args...)
+	if err != nil {
+		return fmt.Errorf("error restarting nodes: %s\nstdout: %s\nstderr: %s", err, stdout, stderr)
+	}
+	// Wait for their boot IDs to change.
+	for _, name := range nodeNames {
+		if err := wait.Poll(30*time.Second, 5*time.Minute, func() (bool, error) {
+			node, err := c.CoreV1().Nodes().Get(name, metav1.GetOptions{})
+			if err != nil {
+				return false, fmt.Errorf("error getting node info after reboot: %s", err)
+			}
+			return node.Status.NodeInfo.BootID != oldBootIDs[name], nil
+		}); err != nil {
+			return fmt.Errorf("error waiting for node %s boot ID to change: %s", name, err)
+		}
+	}
+	return nil
+}