예제 #1
0
func testPruneImages(oc *exutil.CLI, schemaVersion int) {
	var mediaType string
	switch schemaVersion {
	case 1:
		mediaType = schema1.MediaTypeManifest
	case 2:
		mediaType = schema2.MediaTypeManifest
	default:
		g.Fail(fmt.Sprintf("unexpected schema version %d", schemaVersion))
	}

	oc.SetOutputDir(exutil.TestContext.OutputDir)
	outSink := g.GinkgoWriter

	cleanUp := cleanUpContainer{}
	defer tearDownPruneImagesTest(oc, &cleanUp)

	dClient, err := testutil.NewDockerClient()
	o.Expect(err).NotTo(o.HaveOccurred())

	g.By(fmt.Sprintf("build two images using Docker and push them as schema %d", schemaVersion))
	imgPruneName, err := BuildAndPushImageOfSizeWithDocker(oc, dClient, "prune", "latest", testImageSize, 2, outSink, true)
	o.Expect(err).NotTo(o.HaveOccurred())
	cleanUp.imageNames = append(cleanUp.imageNames, imgPruneName)
	pruneSize, err := getRegistryStorageSize(oc)
	o.Expect(err).NotTo(o.HaveOccurred())
	imgKeepName, err := BuildAndPushImageOfSizeWithDocker(oc, dClient, "prune", "latest", testImageSize, 2, outSink, true)
	o.Expect(err).NotTo(o.HaveOccurred())
	cleanUp.imageNames = append(cleanUp.imageNames, imgKeepName)
	keepSize, err := getRegistryStorageSize(oc)
	o.Expect(err).NotTo(o.HaveOccurred())
	o.Expect(pruneSize < keepSize).To(o.BeTrue())

	g.By(fmt.Sprintf("ensure uploaded image is of schema %d", schemaVersion))
	imgPrune, err := oc.AsAdmin().Client().Images().Get(imgPruneName)
	o.Expect(err).NotTo(o.HaveOccurred())
	o.Expect(imgPrune.DockerImageManifestMediaType).To(o.Equal(mediaType))
	imgKeep, err := oc.AsAdmin().Client().Images().Get(imgKeepName)
	o.Expect(err).NotTo(o.HaveOccurred())
	o.Expect(imgKeep.DockerImageManifestMediaType).To(o.Equal(mediaType))

	g.By("prune the first image uploaded (dry-run)")
	output, err := oc.WithoutNamespace().Run("adm").Args("prune", "images", "--keep-tag-revisions=1", "--keep-younger-than=0").Output()

	g.By("verify images, layers and configs about to be pruned")
	o.Expect(output).To(o.ContainSubstring(imgPruneName))
	if schemaVersion == 1 {
		o.Expect(output).NotTo(o.ContainSubstring(imgPrune.DockerImageMetadata.ID))
	} else {
		o.Expect(output).To(o.ContainSubstring(imgPrune.DockerImageMetadata.ID))
	}
	for _, layer := range imgPrune.DockerImageLayers {
		if !strings.Contains(output, layer.Name) {
			o.Expect(output).To(o.ContainSubstring(layer.Name))
		}
	}

	o.Expect(output).NotTo(o.ContainSubstring(imgKeepName))
	o.Expect(output).NotTo(o.ContainSubstring(imgKeep.DockerImageMetadata.ID))
	for _, layer := range imgKeep.DockerImageLayers {
		if !strings.Contains(output, layer.Name) {
			o.Expect(output).NotTo(o.ContainSubstring(layer.Name))
		}
	}

	noConfirmSize, err := getRegistryStorageSize(oc)
	o.Expect(err).NotTo(o.HaveOccurred())
	o.Expect(noConfirmSize).To(o.Equal(keepSize))

	g.By("prune the first image uploaded (confirm)")
	output, err = oc.WithoutNamespace().Run("adm").Args("prune", "images", "--keep-tag-revisions=1", "--keep-younger-than=0", "--confirm").Output()

	g.By("verify images, layers and configs about to be pruned")
	o.Expect(output).To(o.ContainSubstring(imgPruneName))
	if schemaVersion == 1 {
		o.Expect(output).NotTo(o.ContainSubstring(imgPrune.DockerImageMetadata.ID))
	} else {
		o.Expect(output).To(o.ContainSubstring(imgPrune.DockerImageMetadata.ID))
	}
	for _, layer := range imgPrune.DockerImageLayers {
		if !strings.Contains(output, layer.Name) {
			o.Expect(output).To(o.ContainSubstring(layer.Name))
		}
	}

	o.Expect(output).NotTo(o.ContainSubstring(imgKeepName))
	o.Expect(output).NotTo(o.ContainSubstring(imgKeep.DockerImageMetadata.ID))
	for _, layer := range imgKeep.DockerImageLayers {
		if !strings.Contains(output, layer.Name) {
			o.Expect(output).NotTo(o.ContainSubstring(layer.Name))
		}
	}

	confirmSize, err := getRegistryStorageSize(oc)
	o.Expect(err).NotTo(o.HaveOccurred())
	g.By(fmt.Sprintf("confirming storage size: sizeOfKeepImage=%d <= sizeAfterPrune=%d < beforePruneSize=%d", imgKeep.DockerImageMetadata.Size, confirmSize, keepSize))
	o.Expect(confirmSize >= imgKeep.DockerImageMetadata.Size).To(o.BeTrue())
	o.Expect(confirmSize < keepSize).To(o.BeTrue())
	g.By(fmt.Sprintf("confirming pruned size: sizeOfPruneImage=%d <= (sizeAfterPrune=%d - sizeBeforePrune=%d)", imgPrune, keepSize, confirmSize))
	o.Expect(imgPrune.DockerImageMetadata.Size <= keepSize-confirmSize).To(o.BeTrue())
}
예제 #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)
	}
}
예제 #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)
		*/
	}
}