99 lines
3.0 KiB
Go
99 lines
3.0 KiB
Go
// +build integration
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package integration
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import (
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"fmt"
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"path/filepath"
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"testing"
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"time"
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"k8s.io/kubernetes/pkg/api"
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commonutil "k8s.io/minikube/pkg/util"
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"k8s.io/minikube/test/integration/util"
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)
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func TestPersistence(t *testing.T) {
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minikubeRunner := util.MinikubeRunner{BinaryPath: *binaryPath, T: t}
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minikubeRunner.EnsureRunning()
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kubectlRunner := util.NewKubectlRunner(t)
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podName := "busybox"
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podPath, _ := filepath.Abs("testdata/busybox.yaml")
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podNamespace := kubectlRunner.CreateRandomNamespace()
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defer kubectlRunner.DeleteNamespace(podNamespace)
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// Create a pod and wait for it to be running.
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if _, err := kubectlRunner.RunCommand([]string{"create", "-f", podPath, "--namespace=" + podNamespace}); err != nil {
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t.Fatalf("Error creating test pod: %s", err)
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}
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checkPod := func() error {
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p := kubectlRunner.GetPod(podName, podNamespace)
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if util.IsPodReady(p) {
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return nil
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}
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return fmt.Errorf("Pod %s is not ready yet.", podName)
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}
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if err := commonutil.RetryAfter(20, checkPod, 6*time.Second); err != nil {
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t.Fatalf("Error checking the status of pod %s. Err: %s", podName, err)
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}
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checkDashboard := func() error {
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pods := api.PodList{}
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cmd := []string{"get", "pods", "--namespace=kube-system", "--selector=app=kubernetes-dashboard"}
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if err := kubectlRunner.RunCommandParseOutput(cmd, &pods); err != nil {
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return err
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}
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if len(pods.Items) < 1 {
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return fmt.Errorf("No pods found matching query: %v", cmd)
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}
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db := pods.Items[0]
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if util.IsPodReady(&db) {
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return nil
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}
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return fmt.Errorf("Dashboard pod is not ready yet.")
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}
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// Make sure the dashboard is running before we stop the VM.
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// On slow networks it can take several minutes to pull the addon-manager then the dashboard image.
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if err := commonutil.RetryAfter(20, checkDashboard, 6*time.Second); err != nil {
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t.Fatalf("Dashboard pod is not healthy: %s", err)
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}
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// Now restart minikube and make sure the pod is still there.
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minikubeRunner.RunCommand("stop", true)
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minikubeRunner.CheckStatus("Stopped")
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minikubeRunner.RunCommand("start", true)
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minikubeRunner.CheckStatus("Running")
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if err := commonutil.RetryAfter(5, checkPod, 3*time.Second); err != nil {
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t.Fatalf("Error checking the status of pod %s. Err: %s", podName, err)
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}
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// Now make sure it's still running after.
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if err := commonutil.RetryAfter(5, checkDashboard, 3*time.Second); err != nil {
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t.Fatalf("Dashboard pod is not healthy: %s", err)
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}
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}
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