mirror of https://github.com/k3s-io/k3s
Merge pull request #7544 from jayunit100/kubectl-ns
E2E: Update kubectl.go - remove default NS and use idiomatic namepsace l...pull/6/head
CJ Cullen
commit
b15e2e7340
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@ -28,6 +28,7 @@ import (
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"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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const (
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@ -45,11 +46,22 @@ const (
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var _ = Describe("kubectl", func() {
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var c *client.Client
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var ns string
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var testingNs *api.Namespace
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BeforeEach(func() {
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var err error
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c, err = loadClient()
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expectNoError(err)
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testingNs, err = createTestingNS("kubectl", c)
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ns = testingNs.Name
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Expect(err).NotTo(HaveOccurred())
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})
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AfterEach(func() {
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By(fmt.Sprintf("Destroying namespace for this suite %v", ns))
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if err := c.Namespaces().Delete(ns); err != nil {
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Failf("Couldn't delete ns %s", err)
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}
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})
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Describe("update-demo", func() {
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@ -63,22 +75,22 @@ var _ = Describe("kubectl", func() {
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defer cleanup(nautilusPath, updateDemoSelector)
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By("creating a replication controller")
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runKubectl("create", "-f", nautilusPath)
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg"))
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runKubectl("create", "-f", nautilusPath, fmt.Sprintf("--namespace=%v", ns))
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg", ns), ns)
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})
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It("should scale a replication controller", func() {
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defer cleanup(nautilusPath, updateDemoSelector)
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By("creating a replication controller")
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runKubectl("create", "-f", nautilusPath)
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg"))
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runKubectl("create", "-f", nautilusPath, fmt.Sprintf("--namespace=%v", ns))
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg", ns), ns)
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By("scaling down the replication controller")
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runKubectl("resize", "rc", "update-demo-nautilus", "--replicas=1")
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validateController(c, nautilusImage, 1, "update-demo", updateDemoSelector, getUDData("nautilus.jpg"))
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runKubectl("resize", "rc", "update-demo-nautilus", "--replicas=1", fmt.Sprintf("--namespace=%v", ns))
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validateController(c, nautilusImage, 1, "update-demo", updateDemoSelector, getUDData("nautilus.jpg", ns), ns)
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By("scaling up the replication controller")
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runKubectl("resize", "rc", "update-demo-nautilus", "--replicas=2")
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg"))
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runKubectl("resize", "rc", "update-demo-nautilus", "--replicas=2", fmt.Sprintf("--namespace=%v", ns))
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg", ns), ns)
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})
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It("should do a rolling update of a replication controller", func() {
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@ -86,11 +98,11 @@ var _ = Describe("kubectl", func() {
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defer cleanup(updateDemoRoot, updateDemoSelector)
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By("creating the initial replication controller")
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runKubectl("create", "-f", nautilusPath)
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg"))
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runKubectl("create", "-f", nautilusPath, fmt.Sprintf("--namespace=%v", ns))
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validateController(c, nautilusImage, 2, "update-demo", updateDemoSelector, getUDData("nautilus.jpg", ns), ns)
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By("rolling-update to new replication controller")
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runKubectl("rolling-update", "update-demo-nautilus", "--update-period=1s", "-f", kittenPath)
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validateController(c, kittenImage, 2, "update-demo", updateDemoSelector, getUDData("kitten.jpg"))
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runKubectl("rolling-update", "update-demo-nautilus", "--update-period=1s", "-f", kittenPath, fmt.Sprintf("--namespace=%v", ns))
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validateController(c, kittenImage, 2, "update-demo", updateDemoSelector, getUDData("kitten.jpg", ns), ns)
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})
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})
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@ -106,36 +118,36 @@ var _ = Describe("kubectl", func() {
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defer cleanup(guestbookPath, frontendSelector, redisMasterSelector, redisSlaveSelector)
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By("creating all guestbook components")
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runKubectl("create", "-f", guestbookPath)
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runKubectl("create", "-f", guestbookPath, fmt.Sprintf("--namespace=%v", ns))
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By("validating guestbook app")
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validateGuestbookApp(c)
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validateGuestbookApp(c, ns)
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})
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})
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})
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func validateGuestbookApp(c *client.Client) {
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func validateGuestbookApp(c *client.Client, ns string) {
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Logf("Waiting for frontend to serve content.")
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if !waitForGuestbookResponse(c, "get", "", `{"data": ""}`, guestbookStartupTimeout) {
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if !waitForGuestbookResponse(c, "get", "", `{"data": ""}`, guestbookStartupTimeout, ns) {
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Failf("Frontend service did not start serving content in %v seconds.", guestbookStartupTimeout.Seconds())
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}
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Logf("Trying to add a new entry to the guestbook.")
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if !waitForGuestbookResponse(c, "set", "TestEntry", `{"message": "Updated"}`, guestbookResponseTimeout) {
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if !waitForGuestbookResponse(c, "set", "TestEntry", `{"message": "Updated"}`, guestbookResponseTimeout, ns) {
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Failf("Cannot added new entry in %v seconds.", guestbookResponseTimeout.Seconds())
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}
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Logf("Verifying that added entry can be retrieved.")
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if !waitForGuestbookResponse(c, "get", "", `{"data": "TestEntry"}`, guestbookResponseTimeout) {
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if !waitForGuestbookResponse(c, "get", "", `{"data": "TestEntry"}`, guestbookResponseTimeout, ns) {
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Failf("Entry to guestbook wasn't correctly added in %v seconds.", guestbookResponseTimeout.Seconds())
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}
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}
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// Returns whether received expected response from guestbook on time.
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func waitForGuestbookResponse(c *client.Client, cmd, arg, expectedResponse string, timeout time.Duration) bool {
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func waitForGuestbookResponse(c *client.Client, cmd, arg, expectedResponse string, timeout time.Duration, ns string) bool {
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for start := time.Now(); time.Since(start) < timeout; time.Sleep(5 * time.Second) {
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res, err := makeRequestToGuestbook(c, cmd, arg)
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res, err := makeRequestToGuestbook(c, cmd, arg, ns)
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if err == nil && res == expectedResponse {
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return true
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}
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@ -143,10 +155,10 @@ func waitForGuestbookResponse(c *client.Client, cmd, arg, expectedResponse strin
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return false
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}
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func makeRequestToGuestbook(c *client.Client, cmd, value string) (string, error) {
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func makeRequestToGuestbook(c *client.Client, cmd, value string, ns string) (string, error) {
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result, err := c.Get().
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Prefix("proxy").
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Namespace(api.NamespaceDefault).
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Namespace(ns).
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Resource("services").
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Name("frontend").
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Suffix("/index.php").
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@ -165,14 +177,14 @@ type updateDemoData struct {
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// getUDData creates a validator function based on the input string (i.e. kitten.jpg).
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// For example, if you send "kitten.jpg", this function veridies that the image jpg = kitten.jpg
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// in the container's json field.
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func getUDData(jpgExpected string) func(*client.Client, string) error {
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func getUDData(jpgExpected string, ns string) func(*client.Client, string) error {
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// getUDData validates data.json in the update-demo (returns nil if data is ok).
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return func(c *client.Client, podID string) error {
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Logf("validating pod %s", podID)
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body, err := c.Get().
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Prefix("proxy").
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Namespace(api.NamespaceDefault).
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Namespace(ns).
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Resource("pods").
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Name(podID).
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Suffix("data.json").
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@ -249,7 +249,7 @@ type validatorFn func(c *client.Client, podID string) error
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// "containerImage" : this is the name of the image we expect to be launched. Not to confuse w/ images (kitten.jpg) which are validated.
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// "testname": which gets bubbled up to the logging/failure messages if errors happen.
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// "validator" function: This function is given a podID and a client, and it can do some specific validations that way.
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func validateController(c *client.Client, containerImage string, replicas int, containername string, testname string, validator validatorFn) {
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func validateController(c *client.Client, containerImage string, replicas int, containername string, testname string, validator validatorFn, ns string) {
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getPodsTemplate := "--template={{range.items}}{{.metadata.name}} {{end}}"
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// NB: kubectl adds the "exists" function to the standard template functions.
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// This lets us check to see if the "running" entry exists for each of the containers
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@ -265,7 +265,7 @@ func validateController(c *client.Client, containerImage string, replicas int, c
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By(fmt.Sprintf("waiting for all containers in %s pods to come up.", testname)) //testname should be selector
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for start := time.Now(); time.Since(start) < podStartTimeout; time.Sleep(5 * time.Second) {
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getPodsOutput := runKubectl("get", "pods", "-o", "template", getPodsTemplate, "--api-version=v1beta3", "-l", testname)
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getPodsOutput := runKubectl("get", "pods", "-o", "template", getPodsTemplate, "--api-version=v1beta3", "-l", testname, fmt.Sprintf("--namespace=%v", ns))
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pods := strings.Fields(getPodsOutput)
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if numPods := len(pods); numPods != replicas {
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By(fmt.Sprintf("Replicas for %s: expected=%d actual=%d", testname, replicas, numPods))
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@ -273,13 +273,13 @@ func validateController(c *client.Client, containerImage string, replicas int, c
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}
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var runningPods []string
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for _, podID := range pods {
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running := runKubectl("get", "pods", podID, "-o", "template", getContainerStateTemplate, "--api-version=v1beta3")
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running := runKubectl("get", "pods", podID, "-o", "template", getContainerStateTemplate, "--api-version=v1beta3", fmt.Sprintf("--namespace=%v", ns))
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if running != "true" {
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Logf("%s is created but not running", podID)
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continue
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}
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currentImage := runKubectl("get", "pods", podID, "-o", "template", getImageTemplate, "--api-version=v1beta3")
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currentImage := runKubectl("get", "pods", podID, "-o", "template", getImageTemplate, "--api-version=v1beta3", fmt.Sprintf("--namespace=%v", ns))
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if currentImage != containerImage {
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Logf("%s is created but running wrong image; expected: %s, actual: %s", podID, containerImage, currentImage)
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continue
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