Golang testtask.Path函数代码示例

func Executor_Start_Kill(t *testing.T, command buildExecCommand) {
	task, alloc := mockAllocDir(t)
	defer alloc.Destroy()

	taskDir, ok := alloc.TaskDirs[task]
	if !ok {
		log.Panicf("No task directory found for task %v", task)
	}

	filePath := filepath.Join(taskDir, "output")
	e := command(testtask.Path(), "sleep", "1s", "write", "failure", filePath)

	if err := e.Limit(constraint); err != nil {
		log.Panicf("Limit() failed: %v", err)
	}

	if err := e.ConfigureTaskDir(task, alloc); err != nil {
		log.Panicf("ConfigureTaskDir(%v, %v) failed: %v", task, alloc, err)
	}

	if err := e.Start(); err != nil {
		log.Panicf("Start() failed: %v", err)
	}

	if err := e.Shutdown(); err != nil {
		log.Panicf("Shutdown() failed: %v", err)
	}

	time.Sleep(1500 * time.Millisecond)

	// Check that the file doesn't exist.
	if _, err := os.Stat(filePath); err == nil {
		log.Panicf("Stat(%v) should have failed: task not killed", filePath)
	}
}

func TestRawExecDriverUser(t *testing.T) {
	task := &structs.Task{
		Name: "sleep",
		User: "alice",
		Config: map[string]interface{}{
			"command": testtask.Path(),
			"args":    []string{"sleep", "45s"},
		},
		LogConfig: &structs.LogConfig{
			MaxFiles:      10,
			MaxFileSizeMB: 10,
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)

	driverCtx, execCtx := testDriverContexts(task)
	defer execCtx.AllocDir.Destroy()
	d := NewRawExecDriver(driverCtx)

	handle, err := d.Start(execCtx, task)
	if err == nil {
		handle.Kill()
		t.Fatalf("Should've failed")
	}
	msg := "unknown user alice"
	if !strings.Contains(err.Error(), msg) {
		t.Fatalf("Expecting '%v' in '%v'", msg, err)
	}
}

func TestRawExecDriver_Start_Wait_AllocDir(t *testing.T) {
	t.Parallel()
	exp := []byte{'w', 'i', 'n'}
	file := "output.txt"
	outPath := fmt.Sprintf(`${%s}/%s`, env.AllocDir, file)
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"command": testtask.Path(),
			"args": []string{
				"sleep", "1s",
				"write", string(exp), outPath,
			},
		},
		LogConfig: &structs.LogConfig{
			MaxFiles:      10,
			MaxFileSizeMB: 10,
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)

	driverCtx, execCtx := testDriverContexts(task)
	defer execCtx.AllocDir.Destroy()
	d := NewRawExecDriver(driverCtx)

	handle, err := d.Start(execCtx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	// Task should terminate quickly
	select {
	case res := <-handle.WaitCh():
		if !res.Successful() {
			t.Fatalf("err: %v", res)
		}
	case <-time.After(time.Duration(testutil.TestMultiplier()*5) * time.Second):
		t.Fatalf("timeout")
	}

	// Check that data was written to the shared alloc directory.
	outputFile := filepath.Join(execCtx.AllocDir.SharedDir, file)
	act, err := ioutil.ReadFile(outputFile)
	if err != nil {
		t.Fatalf("Couldn't read expected output: %v", err)
	}

	if !reflect.DeepEqual(act, exp) {
		t.Fatalf("Command outputted %v; want %v", act, exp)
	}
}

func Executor_Open(t *testing.T, command buildExecCommand, newExecutor func() Executor) {
	task, alloc := mockAllocDir(t)
	defer alloc.Destroy()

	taskDir, ok := alloc.TaskDirs[task]
	if !ok {
		log.Panicf("No task directory found for task %v", task)
	}

	expected := "hello world"
	file := filepath.Join(allocdir.TaskLocal, "output.txt")
	absFilePath := filepath.Join(taskDir, file)
	e := command(testtask.Path(), "sleep", "1s", "write", expected, file)

	if err := e.Limit(constraint); err != nil {
		log.Panicf("Limit() failed: %v", err)
	}

	if err := e.ConfigureTaskDir(task, alloc); err != nil {
		log.Panicf("ConfigureTaskDir(%v, %v) failed: %v", task, alloc, err)
	}

	if err := e.Start(); err != nil {
		log.Panicf("Start() failed: %v", err)
	}

	id, err := e.ID()
	if err != nil {
		log.Panicf("ID() failed: %v", err)
	}

	e2 := newExecutor()
	if err := e2.Open(id); err != nil {
		log.Panicf("Open(%v) failed: %v", id, err)
	}

	if res := e2.Wait(); !res.Successful() {
		log.Panicf("Wait() failed: %v", res)
	}

	output, err := ioutil.ReadFile(absFilePath)
	if err != nil {
		log.Panicf("Couldn't read file %v", absFilePath)
	}

	act := string(output)
	if act != expected {
		log.Panicf("Command output incorrectly: want %v; got %v", expected, act)
	}
}

func TestRawExecDriver_Start_Artifact_basic(t *testing.T) {
	t.Parallel()
	path := testtask.Path()
	ts := httptest.NewServer(http.FileServer(http.Dir(filepath.Dir(path))))
	defer ts.Close()

	file := filepath.Base(path)
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"artifact_source": fmt.Sprintf("%s/%s", ts.URL, file),
			"command":         file,
			"args":            []string{"sleep", "1s"},
		},
		LogConfig: &structs.LogConfig{
			MaxFiles:      10,
			MaxFileSizeMB: 10,
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)

	driverCtx, execCtx := testDriverContexts(task)
	defer execCtx.AllocDir.Destroy()
	d := NewRawExecDriver(driverCtx)

	handle, err := d.Start(execCtx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	// Attempt to open
	handle2, err := d.Open(execCtx, handle.ID())
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle2 == nil {
		t.Fatalf("missing handle")
	}

	// Task should terminate quickly
	select {
	case <-handle2.WaitCh():
	case <-time.After(time.Duration(testutil.TestMultiplier()*5) * time.Second):
		t.Fatalf("timeout")
	}
}

func TestRawExecDriver_Start_Kill_Wait(t *testing.T) {
	t.Parallel()
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"command": testtask.Path(),
			"args":    []string{"sleep", "45s"},
		},
		LogConfig: &structs.LogConfig{
			MaxFiles:      10,
			MaxFileSizeMB: 10,
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)

	driverCtx, execCtx := testDriverContexts(task)
	defer execCtx.AllocDir.Destroy()
	d := NewRawExecDriver(driverCtx)

	handle, err := d.Start(execCtx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	go func() {
		time.Sleep(1 * time.Second)
		err := handle.Kill()

		// Can't rely on the ordering between wait and kill on travis...
		if !testutil.IsTravis() && err != nil {
			t.Fatalf("err: %v", err)
		}
	}()

	// Task should terminate quickly
	select {
	case res := <-handle.WaitCh():
		if res.Successful() {
			t.Fatal("should err")
		}
	case <-time.After(time.Duration(testutil.TestMultiplier()*5) * time.Second):
		t.Fatalf("timeout")
	}
}

func TestRawExecDriver_Start_Artifact_expanded(t *testing.T) {
	t.Parallel()
	path := testtask.Path()
	ts := httptest.NewServer(http.FileServer(http.Dir(filepath.Dir(path))))
	defer ts.Close()

	file := filepath.Base(path)
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"artifact_source": fmt.Sprintf("%s/%s", ts.URL, file),
			"command":         filepath.Join("$NOMAD_TASK_DIR", file),
			"args":            []string{"sleep", "1s"},
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)

	driverCtx := testDriverContext(task.Name)
	ctx := testDriverExecContext(task, driverCtx)
	defer ctx.AllocDir.Destroy()

	d := NewRawExecDriver(driverCtx)
	handle, err := d.Start(ctx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	// Attempt to open
	handle2, err := d.Open(ctx, handle.ID())
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle2 == nil {
		t.Fatalf("missing handle")
	}

	// Task should terminate quickly
	select {
	case <-handle2.WaitCh():
	case <-time.After(5 * time.Second):
		t.Fatalf("timeout")
	}
}

func TestRawExecDriver_StartOpen_Wait(t *testing.T) {
	t.Parallel()
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"command": testtask.Path(),
			"args":    []string{"sleep", "1s"},
		},
		LogConfig: &structs.LogConfig{
			MaxFiles:      10,
			MaxFileSizeMB: 10,
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)
	driverCtx, execCtx := testDriverContexts(task)
	defer execCtx.AllocDir.Destroy()
	d := NewRawExecDriver(driverCtx)

	handle, err := d.Start(execCtx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	// Attempt to open
	handle2, err := d.Open(execCtx, handle.ID())
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle2 == nil {
		t.Fatalf("missing handle")
	}

	// Task should terminate quickly
	select {
	case <-handle2.WaitCh():
	case <-time.After(time.Duration(testutil.TestMultiplier()*5) * time.Second):
		t.Fatalf("timeout")
	}
	handle.Kill()
	handle2.Kill()
}

func TestRawExecDriver_Start_Kill_Wait(t *testing.T) {
	t.Parallel()
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"command": testtask.Path(),
			"args":    []string{"sleep", "1s"},
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)

	driverCtx := testDriverContext(task.Name)
	ctx := testDriverExecContext(task, driverCtx)
	defer ctx.AllocDir.Destroy()

	d := NewRawExecDriver(driverCtx)
	handle, err := d.Start(ctx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	go func() {
		time.Sleep(100 * time.Millisecond)
		err := handle.Kill()
		if err != nil {
			t.Fatalf("err: %v", err)
		}
	}()

	// Task should terminate quickly
	select {
	case res := <-handle.WaitCh():
		if res.Successful() {
			t.Fatal("should err")
		}
	case <-time.After(2 * time.Second):
		t.Fatalf("timeout")
	}
}

func TestRawExecDriver_Start_Wait(t *testing.T) {
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"command": testtask.Path(),
			"args":    []string{"sleep", "1s"},
		},
		LogConfig: &structs.LogConfig{
			MaxFiles:      10,
			MaxFileSizeMB: 10,
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)
	driverCtx, execCtx := testDriverContexts(task)
	defer execCtx.AllocDir.Destroy()
	d := NewRawExecDriver(driverCtx)

	handle, err := d.Start(execCtx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	// Update should be a no-op
	err = handle.Update(task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Task should terminate quickly
	select {
	case res := <-handle.WaitCh():
		if !res.Successful() {
			t.Fatalf("err: %v", res)
		}
	case <-time.After(time.Duration(testutil.TestMultiplier()*5) * time.Second):
		t.Fatalf("timeout")
	}
}

func Executor_Start_Wait_Failure_Code(t *testing.T, command buildExecCommand) {
	e := command(testtask.Path(), "fail")

	if err := e.Limit(constraint); err != nil {
		log.Panicf("Limit() failed: %v", err)
	}

	task, alloc := mockAllocDir(t)
	defer alloc.Destroy()
	if err := e.ConfigureTaskDir(task, alloc); err != nil {
		log.Panicf("ConfigureTaskDir(%v, %v) failed: %v", task, alloc, err)
	}

	if err := e.Start(); err != nil {
		log.Panicf("Start() failed: %v", err)
	}

	if err := e.Wait(); err == nil {
		log.Panicf("Wait() should have failed")
	}
}

func Executor_Open_Invalid(t *testing.T, command buildExecCommand, newExecutor func() Executor) {
	task, alloc := mockAllocDir(t)
	e := command(testtask.Path(), "echo", "foo")

	if err := e.Limit(constraint); err != nil {
		log.Panicf("Limit() failed: %v", err)
	}

	if err := e.ConfigureTaskDir(task, alloc); err != nil {
		log.Panicf("ConfigureTaskDir(%v, %v) failed: %v", task, alloc, err)
	}

	if err := e.Start(); err != nil {
		log.Panicf("Start() failed: %v", err)
	}

	id, err := e.ID()
	if err != nil {
		log.Panicf("ID() failed: %v", err)
	}

	// Kill the task because some OSes (windows) will not let us destroy the
	// alloc (below) if the task is still running.
	if err := e.ForceStop(); err != nil {
		log.Panicf("e.ForceStop() failed: %v", err)
	}

	// Wait until process is actually gone, we don't care what the result was.
	e.Wait()

	// Destroy the allocdir which removes the exit code.
	if err := alloc.Destroy(); err != nil {
		log.Panicf("alloc.Destroy() failed: %v", err)
	}

	e2 := newExecutor()
	if err := e2.Open(id); err == nil {
		log.Panicf("Open(%v) should have failed", id)
	}
}

func TestRawExecDriver_StartOpen_Wait(t *testing.T) {
	t.Parallel()
	task := &structs.Task{
		Name: "sleep",
		Config: map[string]interface{}{
			"command": testtask.Path(),
			"args":    []string{"sleep", "1s"},
		},
		Resources: basicResources,
	}
	testtask.SetTaskEnv(task)
	driverCtx := testDriverContext(task.Name)
	ctx := testDriverExecContext(task, driverCtx)
	defer ctx.AllocDir.Destroy()

	d := NewRawExecDriver(driverCtx)
	handle, err := d.Start(ctx, task)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle == nil {
		t.Fatalf("missing handle")
	}

	// Attempt to open
	handle2, err := d.Open(ctx, handle.ID())
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if handle2 == nil {
		t.Fatalf("missing handle")
	}

	// Task should terminate quickly
	select {
	case <-handle2.WaitCh():
	case <-time.After(2 * time.Second):
		t.Fatalf("timeout")
	}
}

func testCommand(args ...string) *exec.Cmd {
	cmd := exec.Command(testtask.Path(), args...)
	testtask.SetCmdEnv(cmd)
	return cmd
}

func init() {
	// Add test binary to chroot during test run.
	chrootEnv[testtask.Path()] = testtask.Path()
}