113 lines
3.3 KiB
Go
113 lines
3.3 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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"io/ioutil"
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"os"
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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 testMounting(t *testing.T) {
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t.Parallel()
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minikubeRunner := util.MinikubeRunner{
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Args: *args,
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BinaryPath: *binaryPath,
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T: t}
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tempDir, err := ioutil.TempDir("", "mounttest")
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if err != nil {
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t.Fatalf("Unexpected error while creating tempDir: %s", err)
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}
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defer os.RemoveAll(tempDir)
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mountCmd := fmt.Sprintf("mount %s:/mount-9p", tempDir)
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cmd := minikubeRunner.RunDaemon(mountCmd)
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defer cmd.Process.Kill()
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kubectlRunner := util.NewKubectlRunner(t)
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podName := "busybox"
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podPath, _ := filepath.Abs("testdata/busybox-mount-test.yaml")
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// Write file in mounted dir from host
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expected := "test\n"
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files := []string{"fromhost", "fromhostremove"}
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for _, file := range files {
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path := filepath.Join(tempDir, file)
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err = ioutil.WriteFile(path, []byte(expected), 0644)
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if err != nil {
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t.Fatalf("Unexpected error while writing file %s: %s.", path, err)
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}
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}
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mountTest := func() error {
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if _, err := kubectlRunner.RunCommand([]string{"create", "-f", podPath}); err != nil {
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return err
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}
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defer kubectlRunner.RunCommand([]string{"delete", "-f", podPath})
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p := &api.Pod{}
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for p.Status.Phase != "Running" {
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p = kubectlRunner.GetPod(podName, "default")
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}
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path := filepath.Join(tempDir, "frompod")
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out, err := ioutil.ReadFile(path)
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if err != nil {
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return &commonutil.RetriableError{Err: err}
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}
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// test that file written from pod can be read from host echo test > /mount-9p/frompod; in pod
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if string(out) != expected {
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t.Fatalf("Expected file %s to contain text %s, was %s.", path, expected, out)
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}
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// test that file written from host was read in by the pod via cat /mount-9p/fromhost;
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if out, err = kubectlRunner.RunCommand([]string{"logs", podName}); err != nil {
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return &commonutil.RetriableError{Err: err}
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}
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if string(out) != expected {
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t.Fatalf("Expected file %s to contain text %s, was %s.", path, expected, out)
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}
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// test that fromhostremove was deleted by the pod from the mount via rm /mount-9p/fromhostremove
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path = filepath.Join(tempDir, "fromhostremove")
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if _, err := os.Stat(path); err == nil {
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t.Fatalf("Expected file %s to be removed", path, expected, out)
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}
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// test that frompodremove can be deleted on the host
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path = filepath.Join(tempDir, "frompodremove")
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if err := os.Remove(path); err != nil {
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t.Fatalf("Unexpected error removing file %s: %s", path, err)
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}
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return nil
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}
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if err := commonutil.RetryAfter(40, mountTest, 5*time.Second); err != nil {
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t.Fatal("mountTest failed with error:", err)
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}
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}
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