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Merge pull request #5439 from piosz/guestbook_test
Ported guestbook.sh e2e test to ginkgo
This commit is contained in:
Robert Bailey
commit
0fe77d49af
@ -32,22 +32,18 @@ import (
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)
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const (
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nautilusImage = "kubernetes/update-demo:nautilus"
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kittenImage = "kubernetes/update-demo:kitten"
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updateDemoSelector = "name=update-demo"
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updateDemoContainer = "update-demo"
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kubectlProxyPort = 8011
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nautilusImage = "kubernetes/update-demo:nautilus"
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kittenImage = "kubernetes/update-demo:kitten"
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updateDemoSelector = "name=update-demo"
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updateDemoContainer = "update-demo"
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frontendSelector = "name=frontend"
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redisMasterSelector = "name=redis-master"
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redisSlaveSelector = "name=redis-slave"
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kubectlProxyPort = 8011
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guestbookResponseTimeout = 10 * time.Minute
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)
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var _ = Describe("kubectl", func() {
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// Constants.
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var (
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updateDemoRoot = filepath.Join(testContext.repoRoot, "examples/update-demo/v1beta1")
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nautilusPath = filepath.Join(updateDemoRoot, "nautilus-rc.yaml")
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kittenPath = filepath.Join(updateDemoRoot, "kitten-rc.yaml")
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)
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var c *client.Client
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BeforeEach(func() {
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@ -56,49 +52,124 @@ var _ = Describe("kubectl", func() {
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expectNoError(err)
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})
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It("should create and stop a replication controller", func() {
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defer cleanup(nautilusPath)
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Describe("update-demo", func() {
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var (
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updateDemoRoot = filepath.Join(testContext.repoRoot, "examples/update-demo/v1beta1")
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nautilusPath = filepath.Join(updateDemoRoot, "nautilus-rc.yaml")
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kittenPath = filepath.Join(updateDemoRoot, "kitten-rc.yaml")
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)
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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)
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It("should create and stop 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)
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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)
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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)
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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)
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})
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It("should do a rolling update of a replication controller", func() {
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// Cleanup all resources in case we fail somewhere in the middle
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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)
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By("rollingupdate to new replication controller")
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runKubectl("rollingupdate", "update-demo-nautilus", "--update-period=1s", "-f", kittenPath)
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validateController(c, kittenImage, 2)
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})
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})
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It("should scale a replication controller", func() {
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defer cleanup(nautilusPath)
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Describe("guestbook", func() {
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var guestbookPath = filepath.Join(testContext.repoRoot, "examples/guestbook")
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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)
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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)
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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)
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})
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It("should create and stop a working application", func() {
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defer cleanup(guestbookPath, frontendSelector, redisMasterSelector, redisSlaveSelector)
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It("should do a rolling update of a replication controller", func() {
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// Cleanup all resources in case we fail somewhere in the middle
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defer cleanup(updateDemoRoot)
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By("creating all guestbook components")
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runKubectl("create", "-f", guestbookPath)
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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)
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By("rollingupdate to new replication controller")
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runKubectl("rollingupdate", "update-demo-nautilus", "--update-period=1s", "-f", kittenPath)
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validateController(c, kittenImage, 2)
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By("validating guestbook app")
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validateGuestbookApp(c)
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})
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})
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})
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func cleanup(filePath string) {
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func validateGuestbookApp(c *client.Client) {
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// Wait for frontend to serve content.
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serving := false
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for start := time.Now(); time.Since(start) < guestbookResponseTimeout; time.Sleep(5 * time.Second) {
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entry, err := makeRequestToGuestbook(c, "get", "")
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if err == nil && entry == `{"data": ""}` {
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serving = true
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break
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}
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}
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if !serving {
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Failf("Frontend service did not start serving content in %v seconds", guestbookResponseTimeout.Seconds())
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}
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// Try to add a new entry to the guestbook.
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added := false
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for start := time.Now(); time.Since(start) < guestbookResponseTimeout; time.Sleep(5 * time.Second) {
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result, err := makeRequestToGuestbook(c, "set", "TestEntry")
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if err == nil && result == `{"message": "Updated"}` {
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added = true
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break
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}
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}
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if !added {
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Failf("Cannot added new entry in %v seconds", guestbookResponseTimeout.Seconds())
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}
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// Verify that entry is correctly added to the guestbook.
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entry, err := makeRequestToGuestbook(c, "get", "")
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if err != nil {
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Failf("Request to the guestbook failed with: %v", err)
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}
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if entry != `{"data": "TestEntry"}` {
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Failf("Wrong entry received: %v", entry)
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}
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}
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func makeRequestToGuestbook(c *client.Client, cmd, value string) (string, error) {
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result, err := c.Get().
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Prefix("proxy").
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Resource("services").
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Name("frontend").
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Suffix("/index.php").
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Param("cmd", cmd).
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Param("key", "messages").
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Param("value", value).
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Do().
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Raw()
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return string(result), err
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}
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func cleanup(filePath string, selectors ...string) {
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By("using stop to clean up resources")
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runKubectl("stop", "-f", filePath)
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resources := runKubectl("get", "pods,rc", "-l", updateDemoSelector, "--no-headers")
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if resources != "" {
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Failf("Resources left running after stop:\n%s", resources)
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for _, selector := range selectors {
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resources := runKubectl("get", "pods,rc,se", "-l", selector, "--no-headers")
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if resources != "" {
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Failf("Resources left running after stop:\n%s", resources)
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}
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}
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}
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@ -158,7 +229,7 @@ func validateController(c *client.Client, image string, replicas int) {
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return
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}
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}
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Failf("Timed out after %d seconds waiting for %s pods to reach valid state", podStartTimeout.Seconds(), updateDemoSelector)
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Failf("Timed out after %v seconds waiting for %s pods to reach valid state", podStartTimeout.Seconds(), updateDemoSelector)
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}
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type updateDemoData struct {
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