Function TestTmpfsCopyUp

libcontainer/integration/exec_test.go:1604–1642

(t *testing.T)

}

func TestTmpfsCopyUp(t *testing.T) {
	if testing.Short() {
		return
	}

	config := newTemplateConfig(t, nil)
	config.Mounts = append(config.Mounts, &configs.Mount{
		Source:      "tmpfs",
		Destination: "/etc",
		Device:      "tmpfs",
		Extensions:  configs.EXT_COPYUP,
	})

	container, err := newContainer(t, config)
	ok(t, err)
	defer destroyContainer(container)

	var stdout strings.Builder
	pconfig := libcontainer.Process{
		Args:   []string{"ls", "/etc/passwd"},
		Env:    standardEnvironment,
		Stdin:  nil,
		Stdout: &stdout,
		Stderr: new(strings.Builder),
		Init:   true,
	}
	err = container.Run(&pconfig)
	ok(t, err)

	// Wait for process
	waitProcess(&pconfig, t)

	outputLs := stdout.String()

	// Check that the ls output has /etc/passwd
	if !strings.Contains(outputLs, "/etc/passwd") {
		t.Fatalf("/etc/passwd not copied up as expected: %v", outputLs)
	}
}

func TestCGROUPPrivate(t *testing.T) {
	if _, err := os.Stat("/proc/self/ns/cgroup"); errors.Is(err, os.ErrNotExist) {