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e2e test cluster stability during upgrade
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| Original file line number | Diff line number | Diff line change |
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| #!/bin/bash | ||
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| # Copyright 2015 The Kubernetes Authors All rights reserved. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
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| set -o errexit | ||
| set -o nounset | ||
| set -o pipefail | ||
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| KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../.. | ||
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| : ${KUBE_VERSION_ROOT:=${KUBE_ROOT}} | ||
| : ${KUBECTL:=${KUBE_VERSION_ROOT}/cluster/kubectl.sh} | ||
| : ${KUBE_CONFIG_FILE:="config-test.sh"} | ||
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| export KUBECTL KUBE_CONFIG_FILE | ||
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| source "${KUBE_ROOT}/cluster/kube-env.sh" | ||
| source "${KUBE_VERSION_ROOT}/cluster/${KUBERNETES_PROVIDER}/util.sh" | ||
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| prepare-e2e | ||
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| "${KUBE_VERSION_ROOT}/cluster/${KUBERNETES_PROVIDER}/upgrade.sh" $@ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,161 @@ | ||
| /* | ||
| Copyright 2015 The Kubernetes Authors All rights reserved. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package e2e | ||
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| import ( | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "os" | ||
| "os/exec" | ||
| "path" | ||
| "sync" | ||
| "time" | ||
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| "github.com/GoogleCloudPlatform/kubernetes/pkg/api" | ||
| "github.com/GoogleCloudPlatform/kubernetes/pkg/fields" | ||
| "github.com/GoogleCloudPlatform/kubernetes/pkg/labels" | ||
| "github.com/GoogleCloudPlatform/kubernetes/pkg/util" | ||
| "github.com/GoogleCloudPlatform/kubernetes/pkg/util/wait" | ||
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| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
| ) | ||
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| var _ = Describe("Skipped", func() { | ||
| Describe("Cluster upgrade", func() { | ||
| svcName := "baz" | ||
| var podName string | ||
| framework := Framework{BaseName: "cluster-upgrade"} | ||
| var webserver *WebserverTest | ||
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| BeforeEach(func() { | ||
| framework.beforeEach() | ||
| webserver = NewWebserverTest(framework.Client, framework.Namespace.Name, svcName) | ||
| pod := webserver.CreateWebserverPod() | ||
| podName = pod.Name | ||
| svc := webserver.BuildServiceSpec() | ||
| svc.Spec.Type = api.ServiceTypeLoadBalancer | ||
| webserver.CreateService(svc) | ||
| }) | ||
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| AfterEach(func() { | ||
| framework.afterEach() | ||
| webserver.Cleanup() | ||
| }) | ||
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| Describe("kube-push", func() { | ||
| It("of master should maintain responsive services", func() { | ||
| testClusterUpgrade(framework, svcName, podName, func() { | ||
| runUpgradeScript("hack/e2e-internal/e2e-push.sh", "-m") | ||
| }) | ||
| }) | ||
| }) | ||
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| Describe("gce-upgrade", func() { | ||
| It("of master should maintain responsive services", func() { | ||
| if !providerIs("gce") { | ||
| By(fmt.Sprintf("Skippingt test, which is not implemented for %s", testContext.Provider)) | ||
| return | ||
| } | ||
| testClusterUpgrade(framework, svcName, podName, func() { | ||
| runUpgradeScript("hack/e2e-internal/e2e-upgrade.sh", "-M", "-l") | ||
| }) | ||
| }) | ||
| }) | ||
| }) | ||
| }) | ||
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| func testClusterUpgrade(framework Framework, svcName, podName string, upgrade func()) { | ||
| result, err := waitForLoadBalancerIngress(framework.Client, svcName, framework.Namespace.Name) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| ingresses := result.Status.LoadBalancer.Ingress | ||
| if len(ingresses) != 1 { | ||
| Failf("Was expecting only 1 ingress IP but got %d (%v): %v", len(ingresses), ingresses, result) | ||
| } | ||
| ingress := ingresses[0] | ||
| ip := ingress.IP | ||
| if ip == "" { | ||
| ip = ingress.Hostname | ||
| } | ||
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| By("Waiting for pod to become reachable") | ||
| testLoadBalancerReachable(ingress, 80) | ||
| validateClusterUpgrade(framework, svcName, podName) | ||
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| Logf("starting async validation") | ||
| httpClient := http.Client{Timeout: 2 * time.Second} | ||
| done := make(chan struct{}, 1) | ||
| // Let's make sure we've finished the heartbeat before shutting things down. | ||
| var wg sync.WaitGroup | ||
| go util.Until(func() { | ||
| defer GinkgoRecover() | ||
| wg.Add(1) | ||
| defer wg.Done() | ||
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| expectNoError(wait.Poll(poll, singleCallTimeout, func() (bool, error) { | ||
| r, err := httpClient.Get("http://" + ip) | ||
| if err != nil { | ||
| return false, nil | ||
| } | ||
| if r.StatusCode < http.StatusOK || r.StatusCode >= http.StatusNotFound { | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| })) | ||
| }, 200*time.Millisecond, done) | ||
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| By("Starting upgrade") | ||
| upgrade() | ||
| done <- struct{}{} | ||
| Logf("Stopping async validation") | ||
| wg.Wait() | ||
| Logf("Upgrade complete.") | ||
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| By("Validating post upgrade state") | ||
| validateClusterUpgrade(framework, svcName, podName) | ||
| } | ||
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| func runUpgradeScript(scriptPath string, args ...string) { | ||
| cmd := exec.Command(path.Join(testContext.RepoRoot, scriptPath), args...) | ||
| upgradeLogPath := path.Join(testContext.OutputDir, "upgrade-"+string(util.NewUUID())+".log") | ||
| Logf("Writing upgrade logs to %s", upgradeLogPath) | ||
| upgradeLog, err := os.Create(upgradeLogPath) | ||
| expectNoError(err) | ||
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| cmd.Stdout = io.MultiWriter(os.Stdout, upgradeLog) | ||
| cmd.Stderr = io.MultiWriter(os.Stderr, upgradeLog) | ||
| if err := cmd.Run(); err != nil { | ||
| Failf("Upgrade failed: %v", err) | ||
| } | ||
| } | ||
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| func validateClusterUpgrade(framework Framework, svcName, podName string) { | ||
| pods, err := framework.Client.Pods(framework.Namespace.Name).List(labels.Everything(), fields.Everything()) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| Expect(len(pods.Items) == 1).Should(BeTrue()) | ||
| if podName != pods.Items[0].Name { | ||
| Failf("pod name should not have changed") | ||
| } | ||
| _, err = podRunningReady(&pods.Items[0]) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| svc, err := framework.Client.Services(framework.Namespace.Name).Get(svcName) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| if svcName != svc.Name { | ||
| Failf("service name should not have changed") | ||
| } | ||
| } |
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