func (h *haproxyControllerTester) start(namespace string) (err error) {
// Create a replication controller with the given configuration.
rc := rcFromManifest(h.cfg)
rc.Namespace = namespace
rc.Spec.Template.Labels["name"] = rc.Name
// Add the --namespace arg.
// TODO: Remove this when we have proper namespace support.
for i, c := range rc.Spec.Template.Spec.Containers {
rc.Spec.Template.Spec.Containers[i].Args = append(
c.Args, fmt.Sprintf("--namespace=%v", namespace))
framework.Logf("Container args %+v", rc.Spec.Template.Spec.Containers[i].Args)
}
rc, err = h.client.ReplicationControllers(rc.Namespace).Create(rc)
if err != nil {
return
}
if err = framework.WaitForRCPodsRunning(h.client, namespace, rc.Name); err != nil {
return
}
h.rcName = rc.Name
h.rcNamespace = rc.Namespace
// Find the pods of the rc we just created.
labelSelector := labels.SelectorFromSet(
labels.Set(map[string]string{"name": h.rcName}))
options := api.ListOptions{LabelSelector: labelSelector}
pods, err := h.client.Pods(h.rcNamespace).List(options)
if err != nil {
return err
}
// Find the external addresses of the nodes the pods are running on.
for _, p := range pods.Items {
wait.Poll(pollInterval, framework.ServiceRespondingTimeout, func() (bool, error) {
address, err := framework.GetHostExternalAddress(h.client, &p)
if err != nil {
framework.Logf("%v", err)
return false, nil
}
h.address = append(h.address, address)
return true, nil
})
}
if len(h.address) == 0 {
return fmt.Errorf("No external ips found for loadbalancer %v", h.getName())
}
return nil
}
// kubeletCommand performs `start`, `restart`, or `stop` on the kubelet running on the node of the target pod.
// Allowed kubeltOps are `kStart`, `kStop`, and `kRestart`
func kubeletCommand(kOp kubeletOpt, c clientset.Interface, pod *v1.Pod) {
nodeIP, err := framework.GetHostExternalAddress(c, pod)
Expect(err).NotTo(HaveOccurred())
nodeIP = nodeIP + ":22"
sshResult, err := framework.SSH("sudo /etc/init.d/kubelet "+string(kOp), nodeIP, framework.TestContext.Provider)
Expect(err).NotTo(HaveOccurred())
framework.LogSSHResult(sshResult)
// On restart, waiting for node NotReady prevents a race condition where the node takes a few moments to leave the
// Ready state which in turn short circuits WaitForNodeToBeReady()
if kOp == kStop || kOp == kRestart {
if ok := framework.WaitForNodeToBeNotReady(c, pod.Spec.NodeName, NodeStateTimeout); !ok {
framework.Failf("Node %s failed to enter NotReady state", pod.Spec.NodeName)
}
}
if kOp == kStart || kOp == kRestart {
if ok := framework.WaitForNodeToBeReady(c, pod.Spec.NodeName, NodeStateTimeout); !ok {
framework.Failf("Node %s failed to enter Ready state", pod.Spec.NodeName)
}
}
}
// testVolumeUnmountsFromDeletedPod tests that a volume unmounts if the client pod was deleted while the kubelet was down.
func testVolumeUnmountsFromDeletedPod(c clientset.Interface, f *framework.Framework, clientPod *v1.Pod, pvc *v1.PersistentVolumeClaim, pv *v1.PersistentVolume) {
nodeIP, err := framework.GetHostExternalAddress(c, clientPod)
Expect(err).NotTo(HaveOccurred())
nodeIP = nodeIP + ":22"
By("Expecting the volume mount to be found.")
result, err := framework.SSH("mount | grep "+string(clientPod.UID), nodeIP, framework.TestContext.Provider)
Expect(err).NotTo(HaveOccurred())
Expect(result.Code).To(BeZero())
By("Restarting the kubelet.")
kubeletCommand(kStop, c, clientPod)
deletePod(f, c, clientPod.Namespace, clientPod)
kubeletCommand(kStart, c, clientPod)
By("Expecting the volume mount not to be found.")
result, err = framework.SSH("mount| grep "+string(clientPod.UID), nodeIP, framework.TestContext.Provider)
Expect(err).NotTo(HaveOccurred())
Expect(result.Code).NotTo(BeZero())
framework.Logf("Volume mount detected on pod and written file is readable post-restart.")
}
func (cont *NginxIngressController) init() {
mkpath := func(file string) string {
return filepath.Join(framework.TestContext.RepoRoot, ingressManifestPath, "nginx", file)
}
framework.Logf("initializing nginx ingress controller")
framework.RunKubectlOrDie("create", "-f", mkpath("rc.yaml"), fmt.Sprintf("--namespace=%v", cont.ns))
rc, err := cont.c.Core().ReplicationControllers(cont.ns).Get("nginx-ingress-controller", metav1.GetOptions{})
framework.ExpectNoError(err)
cont.rc = rc
framework.Logf("waiting for pods with label %v", rc.Spec.Selector)
sel := labels.SelectorFromSet(labels.Set(rc.Spec.Selector))
framework.ExpectNoError(testutils.WaitForPodsWithLabelRunning(cont.c, cont.ns, sel))
pods, err := cont.c.Core().Pods(cont.ns).List(v1.ListOptions{LabelSelector: sel.String()})
framework.ExpectNoError(err)
if len(pods.Items) == 0 {
framework.Failf("Failed to find nginx ingress controller pods with selector %v", sel)
}
cont.pod = &pods.Items[0]
cont.externalIP, err = framework.GetHostExternalAddress(cont.c, cont.pod)
framework.ExpectNoError(err)
framework.Logf("ingress controller running in pod %v on ip %v", cont.pod.Name, cont.externalIP)
}
