Example #1
0
func doGetFlowsForNode(oc *testexutil.CLI, nodeName string) ([]string, error) {
	pod := &kapi.Pod{
		TypeMeta: kapiunversioned.TypeMeta{
			Kind: "Pod",
		},
		ObjectMeta: kapi.ObjectMeta{
			GenerateName: "flow-check",
		},
		Spec: kapi.PodSpec{
			Containers: []kapi.Container{
				{
					Name:  "flow-check",
					Image: "openshift/openvswitch",
					// kubernetes seems to get confused sometimes if the pod exits too quickly
					Command: []string{"sh", "-c", "ovs-ofctl -O OpenFlow13 dump-flows br0 && sleep 1"},
					VolumeMounts: []kapi.VolumeMount{
						{
							Name:      "ovs-socket",
							MountPath: "/var/run/openvswitch/br0.mgmt",
						},
					},
				},
			},
			Volumes: []kapi.Volume{
				{
					Name: "ovs-socket",
					VolumeSource: kapi.VolumeSource{
						HostPath: &kapi.HostPathVolumeSource{
							Path: "/var/run/openvswitch/br0.mgmt",
						},
					},
				},
			},
			NodeName:      nodeName,
			RestartPolicy: kapi.RestartPolicyNever,
			// We don't actually need HostNetwork, we just set it so that deploying this pod won't cause any OVS flows to be added
			SecurityContext: &kapi.PodSecurityContext{
				HostNetwork: true,
			},
		},
	}
	f := oc.KubeFramework()
	podClient := f.Client.Pods(f.Namespace.Name)
	pod, err := podClient.Create(pod)
	if err != nil {
		return nil, err
	}
	defer podClient.Delete(pod.Name, nil)
	err = waitForPodSuccessInNamespace(f.Client, pod.Name, "flow-check", f.Namespace.Name)
	if err != nil {
		return nil, err
	}
	logs, err := oc.Run("logs").Args(pod.Name).Output()
	if err != nil {
		return nil, err
	}

	// For ease of comparison, strip out the parts of the rules that change
	flows := strings.Split(logs, "\n")
	strip_re := regexp.MustCompile(`(duration|n_packets|n_bytes)=[^,]*, `)
	for i := range flows {
		flows[i] = strip_re.ReplaceAllLiteralString(flows[i], "")
	}
	return flows, nil
}
Example #2
0
func replicationTestFactory(oc *exutil.CLI, template string) func() {
	return func() {
		oc.SetOutputDir(exutil.TestContext.OutputDir)
		defer cleanup(oc)

		_, err := exutil.SetupHostPathVolumes(oc.AdminKubeREST().PersistentVolumes(), oc.Namespace(), "512Mi", 1)
		o.Expect(err).NotTo(o.HaveOccurred())

		err = testutil.WaitForPolicyUpdate(oc.REST(), oc.Namespace(), "create", "templates", true)
		o.Expect(err).NotTo(o.HaveOccurred())

		err = oc.Run("new-app").Args("-f", template).Execute()
		o.Expect(err).NotTo(o.HaveOccurred())

		err = oc.Run("new-app").Args("-f", helperTemplate, "-p", fmt.Sprintf("DATABASE_SERVICE_NAME=%s", helperName)).Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = oc.KubeFramework().WaitForAnEndpoint(helperName)
		o.Expect(err).NotTo(o.HaveOccurred())

		tableCounter := 0
		assertReplicationIsWorking := func(masterDeployment, slaveDeployment string, slaveCount int) (exutil.Database, []exutil.Database, exutil.Database) {
			tableCounter++
			table := fmt.Sprintf("table_%0.2d", tableCounter)

			master, slaves, helper := CreateMySQLReplicationHelpers(oc.KubeREST().Pods(oc.Namespace()), masterDeployment, slaveDeployment, fmt.Sprintf("%s-1", helperName), slaveCount)
			o.Expect(exutil.WaitUntilAllHelpersAreUp(oc, []exutil.Database{master, helper})).NotTo(o.HaveOccurred())
			o.Expect(exutil.WaitUntilAllHelpersAreUp(oc, slaves)).NotTo(o.HaveOccurred())

			// Test if we can query as root
			oc.KubeFramework().WaitForAnEndpoint("mysql-master")
			err := helper.TestRemoteLogin(oc, "mysql-master")
			o.Expect(err).NotTo(o.HaveOccurred())

			// Create a new table with random name
			_, err = master.Query(oc, fmt.Sprintf("CREATE TABLE %s (col1 VARCHAR(20), col2 VARCHAR(20));", table))
			o.Expect(err).NotTo(o.HaveOccurred())

			// Write new data to the table through master
			_, err = master.Query(oc, fmt.Sprintf("INSERT INTO %s (col1, col2) VALUES ('val1', 'val2');", table))
			o.Expect(err).NotTo(o.HaveOccurred())

			// Make sure data is present on master
			err = exutil.WaitForQueryOutput(oc, master, 10*time.Second, false, fmt.Sprintf("SELECT * FROM %s\\G;", table), "col1: val1\ncol2: val2")
			o.Expect(err).NotTo(o.HaveOccurred())

			// Make sure data was replicated to all slaves
			for _, slave := range slaves {
				err = exutil.WaitForQueryOutput(oc, slave, 90*time.Second, false, fmt.Sprintf("SELECT * FROM %s\\G;", table), "col1: val1\ncol2: val2")
				o.Expect(err).NotTo(o.HaveOccurred())
			}

			return master, slaves, helper
		}

		g.By("after initial deployment")
		master, _, _ := assertReplicationIsWorking("mysql-master-1", "mysql-slave-1", 1)

		g.By("after master is restarted by changing the Deployment Config")
		err = oc.Run("env").Args("dc", "mysql-master", "MYSQL_ROOT_PASSWORD=newpass").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = exutil.WaitUntilPodIsGone(oc.KubeREST().Pods(oc.Namespace()), master.PodName(), 1*time.Minute)
		master, _, _ = assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 1)

		g.By("after master is restarted by deleting the pod")
		err = oc.Run("delete").Args("pod", "-l", "deployment=mysql-master-2").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = exutil.WaitUntilPodIsGone(oc.KubeREST().Pods(oc.Namespace()), master.PodName(), 1*time.Minute)
		o.Expect(err).NotTo(o.HaveOccurred())
		_, slaves, _ := assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 1)

		g.By("after slave is restarted by deleting the pod")
		err = oc.Run("delete").Args("pod", "-l", "deployment=mysql-slave-1").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = exutil.WaitUntilPodIsGone(oc.KubeREST().Pods(oc.Namespace()), slaves[0].PodName(), 1*time.Minute)
		o.Expect(err).NotTo(o.HaveOccurred())
		assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 1)

		pods, err := oc.KubeREST().Pods(oc.Namespace()).List(kapi.ListOptions{LabelSelector: exutil.ParseLabelsOrDie("deployment=mysql-slave-1")})
		o.Expect(err).NotTo(o.HaveOccurred())
		o.Expect(len(pods.Items)).To(o.Equal(1))

		g.By("after slave is scaled to 0 and then back to 4 replicas")
		err = oc.Run("scale").Args("dc", "mysql-slave", "--replicas=0").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = exutil.WaitUntilPodIsGone(oc.KubeREST().Pods(oc.Namespace()), pods.Items[0].Name, 1*time.Minute)
		o.Expect(err).NotTo(o.HaveOccurred())
		err = oc.Run("scale").Args("dc", "mysql-slave", "--replicas=4").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 4)
	}
}
Example #3
0
func replicationTestFactory(oc *exutil.CLI, tc testCase) func() {
	return func() {
		oc.SetOutputDir(exutil.TestContext.OutputDir)
		defer cleanup(oc)

		_, err := exutil.SetupHostPathVolumes(oc.AdminKubeClient().Core().PersistentVolumes(), oc.Namespace(), "1Gi", 2)
		o.Expect(err).NotTo(o.HaveOccurred())

		err = testutil.WaitForPolicyUpdate(oc.Client(), oc.Namespace(), "create", templateapi.Resource("templates"), true)
		o.Expect(err).NotTo(o.HaveOccurred())

		exutil.CheckOpenShiftNamespaceImageStreams(oc)
		err = oc.Run("new-app").Args("-f", tc.TemplatePath).Execute()
		o.Expect(err).NotTo(o.HaveOccurred())

		err = oc.Run("new-app").Args("-f", helperTemplate, "-p", fmt.Sprintf("DATABASE_SERVICE_NAME=%s", helperName)).Execute()
		o.Expect(err).NotTo(o.HaveOccurred())

		// oc.KubeFramework().WaitForAnEndpoint currently will wait forever;  for now, prefacing with our WaitForADeploymentToComplete,
		// which does have a timeout, since in most cases a failure in the service coming up stems from a failed deployment
		g.By("waiting for the deployment to complete")
		err = exutil.WaitForADeploymentToComplete(oc.KubeClient().Core().ReplicationControllers(oc.Namespace()), helperName, oc)
		o.Expect(err).NotTo(o.HaveOccurred())

		g.By("waiting for an endpoint")
		err = oc.KubeFramework().WaitForAnEndpoint(helperName)
		o.Expect(err).NotTo(o.HaveOccurred())

		tableCounter := 0
		assertReplicationIsWorking := func(masterDeployment, slaveDeployment string, slaveCount int) (exutil.Database, []exutil.Database, exutil.Database) {
			tableCounter++
			table := fmt.Sprintf("table_%0.2d", tableCounter)

			g.By("creating replication helpers")
			master, slaves, helper := CreateMySQLReplicationHelpers(oc.KubeClient().Core().Pods(oc.Namespace()), masterDeployment, slaveDeployment, fmt.Sprintf("%s-1", helperName), slaveCount)
			o.Expect(exutil.WaitUntilAllHelpersAreUp(oc, []exutil.Database{master, helper})).NotTo(o.HaveOccurred())
			o.Expect(exutil.WaitUntilAllHelpersAreUp(oc, slaves)).NotTo(o.HaveOccurred())

			// Test if we can query as root
			g.By("wait for mysql-master endpoint")
			oc.KubeFramework().WaitForAnEndpoint("mysql-master")
			err := helper.TestRemoteLogin(oc, "mysql-master")
			o.Expect(err).NotTo(o.HaveOccurred())

			// Create a new table with random name
			g.By("create new table")
			_, err = master.Query(oc, fmt.Sprintf("CREATE TABLE %s (col1 VARCHAR(20), col2 VARCHAR(20));", table))
			o.Expect(err).NotTo(o.HaveOccurred())

			// Write new data to the table through master
			_, err = master.Query(oc, fmt.Sprintf("INSERT INTO %s (col1, col2) VALUES ('val1', 'val2');", table))
			o.Expect(err).NotTo(o.HaveOccurred())

			// Make sure data is present on master
			err = exutil.WaitForQueryOutputContains(oc, master, 10*time.Second, false, fmt.Sprintf("SELECT * FROM %s\\G;", table), "col1: val1\ncol2: val2")
			o.Expect(err).NotTo(o.HaveOccurred())

			// Make sure data was replicated to all slaves
			for _, slave := range slaves {
				err = exutil.WaitForQueryOutputContains(oc, slave, 90*time.Second, false, fmt.Sprintf("SELECT * FROM %s\\G;", table), "col1: val1\ncol2: val2")
				o.Expect(err).NotTo(o.HaveOccurred())
			}

			return master, slaves, helper
		}

		g.By("after initial deployment")
		master, _, _ := assertReplicationIsWorking("mysql-master-1", "mysql-slave-1", 1)

		if tc.SkipReplication {
			return
		}

		g.By("after master is restarted by changing the Deployment Config")
		err = oc.Run("env").Args("dc", "mysql-master", "MYSQL_ROOT_PASSWORD=newpass").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = exutil.WaitUntilPodIsGone(oc.KubeClient().Core().Pods(oc.Namespace()), master.PodName(), 1*time.Minute)
		master, _, _ = assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 1)

		g.By("after master is restarted by deleting the pod")
		err = oc.Run("delete").Args("pod", "-l", "deployment=mysql-master-2").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = exutil.WaitUntilPodIsGone(oc.KubeClient().Core().Pods(oc.Namespace()), master.PodName(), 1*time.Minute)
		o.Expect(err).NotTo(o.HaveOccurred())
		_, slaves, _ := assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 1)

		g.By("after slave is restarted by deleting the pod")
		err = oc.Run("delete").Args("pod", "-l", "deployment=mysql-slave-1").Execute()
		o.Expect(err).NotTo(o.HaveOccurred())
		err = exutil.WaitUntilPodIsGone(oc.KubeClient().Core().Pods(oc.Namespace()), slaves[0].PodName(), 1*time.Minute)
		o.Expect(err).NotTo(o.HaveOccurred())
		assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 1)

		pods, err := oc.KubeClient().Core().Pods(oc.Namespace()).List(kapi.ListOptions{LabelSelector: exutil.ParseLabelsOrDie("deployment=mysql-slave-1")})
		o.Expect(err).NotTo(o.HaveOccurred())
		o.Expect(len(pods.Items)).To(o.Equal(1))

		// NOTE: Commented out, current template does not support multiple replicas.
		/*
			g.By("after slave is scaled to 0 and then back to 4 replicas")
			err = oc.Run("scale").Args("dc", "mysql-slave", "--replicas=0").Execute()
			o.Expect(err).NotTo(o.HaveOccurred())
			err = exutil.WaitUntilPodIsGone(oc.KubeClient().Core().Pods(oc.Namespace()), pods.Items[0].Name, 1*time.Minute)
			o.Expect(err).NotTo(o.HaveOccurred())
			err = oc.Run("scale").Args("dc", "mysql-slave", "--replicas=4").Execute()
			o.Expect(err).NotTo(o.HaveOccurred())
			assertReplicationIsWorking("mysql-master-2", "mysql-slave-1", 4)
		*/
	}
}