Golang uuid.New函數代碼示例

func (s *TestSuite) TestCreateVolumeWithBaseImage(c *C) {
	var err error
	driver := s.driver

	imageID := uuid.New()
	err = driver.ActivateImage(imageID, s.imageFile)
	c.Assert(err, IsNil)

	volumeID := uuid.New()
	err = driver.CreateVolume(volumeID, imageID, volumeSize)
	c.Assert(err, IsNil)

	volumeDev, err := driver.GetVolumeDevice(volumeID)
	c.Assert(err, IsNil)

	err = exec.Command("mount", volumeDev, devMount).Run()
	c.Assert(err, IsNil)

	_, err = os.Stat(filepath.Join(devMount, imageTestFile))
	c.Assert(err, IsNil)

	err = exec.Command("umount", devMount).Run()
	c.Assert(err, IsNil)

	err = driver.DeleteVolume(volumeID)
	c.Assert(err, IsNil)

	err = driver.DeactivateImage(imageID)
	c.Assert(err, IsNil)
}

func (s *TestSuite) TestSnapshot(c *C) {
	var err error
	driver := s.driver

	volumeID := uuid.New()
	err = driver.CreateVolume(volumeID, "", volumeSize)
	c.Assert(err, IsNil)

	snapshotID := uuid.New()
	err = driver.CreateSnapshot(snapshotID, volumeID)
	c.Assert(err, IsNil)

	err = driver.CreateSnapshot(snapshotID, volumeID)
	c.Assert(err, Not(IsNil))
	c.Assert(err, ErrorMatches, "Already has snapshot with uuid.*")

	snapshotID2 := uuid.New()
	err = driver.CreateSnapshot(snapshotID2, volumeID)
	c.Assert(err, IsNil)

	err = driver.DeleteSnapshot(snapshotID, volumeID)
	c.Assert(err, IsNil)

	err = driver.DeleteSnapshot(snapshotID, volumeID)
	c.Assert(err, Not(IsNil))
	c.Assert(err, ErrorMatches, "cannot find snapshot.*")

	err = driver.DeleteVolume(volumeID)
	c.Assert(err, IsNil)
}

func TestToolDoesNotExist(t *testing.T) {
	// Build the Queue with the SimpleTool timer
	q := Queue{authToken: "ResourceTest"}

	// Add the tool
	st := new(SimpleTimerTooler)
	st.SetUUID(uuid.New())
	q.tools = append(q.tools, st)

	// Create the RPC server and bind the Queue
	listen := startRPCOnce("tcp", addr, &q)
	defer listen.Close()

	// Connect to the RPC server
	client, err := rpc.Dial("tcp", addr)
	if err != nil {
		t.Fatal("Error dailing RPC server.", err)
	}
	defer client.Close()

	// Setup the Job information to start the service
	params := map[string]string{"timer": "1"}
	j := common.NewJob(uuid.New(), "Testing Job", "GoTestSuite", params)

	// Create RPC call for starting a job
	startJob := common.RPCCall{Auth: "ResourceTest", Job: j}

	// Make call and expect an error of bad job
	err = client.Call("Queue.AddTask", startJob, &j)
	if err == nil || err.Error() != ERROR_NO_TOOL {
		t.Fatal("No tool error was not returned.", err)
	}
}

func extractID(q string, keyword string) string {
	st, err := stripQuery(q)

	if err != nil || len(st) <= 0 {
		return uuid.New()
	}

	for _, v := range st {
		kve := strings.Split(v, ":")

		if len(kve) <= 0 {
			continue
		}

		ke, ve := strings.TrimSpace(kve[0]), strings.TrimSpace(kve[1])

		if ke != keyword {
			continue
		}

		return ve
	}

	return uuid.New()
}

func (r *raids) load(filename string) error {
	r.lock.Lock()
	defer r.lock.Unlock()
	defer r.cache()
	fp, err := os.Open(filename)
	if err != nil {
		if os.IsNotExist(err) {
			r.filename = filename
			return nil
		}
		return err
	}
	r.filename = filename
	defer fp.Close()
	dec := json.NewDecoder(fp)
	if err := dec.Decode(&r.data); err != nil {
		return err
	}
	if r.data == nil {
		r.data = map[string][]*raid{}
	}
	for c := range r.data {
		for i := range r.data[c] {
			if r.data[c][i].UUID == "" {
				r.data[c][i].UUID = uuid.New()
				r.data[c][i].Secret = uuid.New()
			}
			if r.data[c][i].Type == "" {
				r.data[c][i].Type = "event"
			}
		}
	}
	return nil
}

func TestUpdateOne(t *testing.T) {
	db := NewInMemDatabase()

	instance := new(types.VirtualMachine)
	instance.SetUuid(uuid.New())
	instance.SetName("instance")
	assert.NoError(t, db.Put(instance, nil, UIDList{}))

	vmi1 := new(types.VirtualMachineInterface)
	vmi1.SetUuid(uuid.New())
	vmi1.SetName("port1")
	assert.NoError(t, db.Put(vmi1, nil, GetReferenceList(vmi1)))

	vmi1.AddVirtualMachine(instance)
	assert.NoError(t, db.Update(vmi1, GetReferenceList(vmi1)))

	result, err := db.GetBackReferences(parseUID(instance.GetUuid()), "virtual_machine_interface")
	assert.NoError(t, err)
	assert.Contains(t, result, parseUID(vmi1.GetUuid()))

	vmi1.ClearVirtualMachine()
	assert.NoError(t, db.Update(vmi1, GetReferenceList(vmi1)))
	result, err = db.GetBackReferences(parseUID(instance.GetUuid()), "virtual_machine_interface")
	assert.NoError(t, err)
	assert.Len(t, result, 0)
}

// Create floating-ip with 2 vmi references, delete it and verify that
// the back_refs are updated as expected.
func TestDeleteRefs(t *testing.T) {
	db := NewInMemDatabase()

	vmi1 := new(types.VirtualMachineInterface)
	vmi1.SetUuid(uuid.New())
	vmi1.SetName("port1")
	assert.NoError(t, db.Put(vmi1, nil, GetReferenceList(vmi1)))

	vmi2 := new(types.VirtualMachineInterface)
	vmi2.SetUuid(uuid.New())
	vmi2.SetName("port2")
	assert.NoError(t, db.Put(vmi2, nil, GetReferenceList(vmi2)))

	fip := new(types.FloatingIp)
	fip.SetUuid(uuid.New())
	fip.SetName("fip")
	fip.AddVirtualMachineInterface(vmi1)
	fip.AddVirtualMachineInterface(vmi2)
	assert.NoError(t, db.Put(fip, nil, GetReferenceList(fip)))

	assert.Error(t, db.Delete(vmi1))

	result, err := db.GetBackReferences(parseUID(vmi2.GetUuid()), "floating_ip")
	assert.NoError(t, err)
	assert.Len(t, result, 1)

	assert.NoError(t, db.Delete(fip))

	result, err = db.GetBackReferences(parseUID(vmi2.GetUuid()), "floating_ip")
	assert.NoError(t, err)
	assert.Len(t, result, 0)

	assert.NoError(t, db.Delete(vmi1))
	assert.NoError(t, db.Delete(vmi2))
}

func (h uploadHandler) doUpload(fileheader *multipart.FileHeader) error {
	file, err := fileheader.Open()
	defer file.Close()

	if err != nil {
		return err
	}

	contentType := fileheader.Header["Content-Type"][0]

	edition := &models.Edition{
		Id:          uuid.New(),
		ContentType: contentType,
	}

	dstPath := path.Join(h.bookPath, edition.Path())

	dst, err := os.Create(dstPath)
	if err != nil {
		return err
	}

	defer dst.Close()

	if _, err := io.Copy(dst, file); err != nil {
		return err
	}

	opened, err := fileheader.Open()
	if err != nil {
		return err
	}

	if contentType != models.MOBI && contentType != models.EPUB {
		return errors.New("Format not supported: " + contentType)
	}

	metaFunc := metadata.Epub
	if contentType == models.MOBI {
		metaFunc = metadata.Mobi
	}

	meta, _ := metaFunc(opened)

	newBook := models.Book{
		Id:       uuid.New(),
		Added:    time.Now(),
		Title:    meta.Title,
		Author:   meta.Author,
		Editions: models.Editions{edition},
	}

	h.db.Save(newBook)
	h.es.Add(newBook)

	go h.convert(contentType, newBook)

	return nil
}

func (c *TokenGenAccessDefault) GenerateAccessToken(data *AccessTokenData) error {
	data.AccessToken = uuid.New()
	data.AccessToken = base64.StdEncoding.EncodeToString([]byte(data.AccessToken))

	data.RefreshToken = uuid.New()
	data.RefreshToken = base64.StdEncoding.EncodeToString([]byte(data.RefreshToken))

	return nil
}

func (a *AccessTokenGenDefault) GenerateAccessToken(generaterefresh bool) (accesstoken string, refreshtoken string, err *HttpError) {
	accesstoken = uuid.New()
	accesstoken = base64.StdEncoding.EncodeToString([]byte(accesstoken))

	if generaterefresh {
		refreshtoken = uuid.New()
		refreshtoken = base64.StdEncoding.EncodeToString([]byte(refreshtoken))
	}
	return
}

func (s *TestSuite) TestVolume(c *C) {
	var err error
	driver := s.driver

	drv := driver.(*Driver)
	lastDevID := drv.LastDevID
	volumeID := uuid.New()

	volOps, err := driver.VolumeOps()
	c.Assert(err, IsNil)

	opts := map[string]string{
		convoydriver.OPT_SIZE: strconv.FormatInt(volumeSize, 10),
	}
	err = volOps.CreateVolume(volumeID, opts)
	c.Assert(err, IsNil)

	c.Assert(drv.LastDevID, Equals, lastDevID+1)

	err = volOps.CreateVolume(volumeID, opts)
	c.Assert(err, Not(IsNil))
	c.Assert(err, ErrorMatches, "Already has volume with specific uuid.*")

	volumeID2 := uuid.New()

	wrongOpts := map[string]string{
		convoydriver.OPT_SIZE: "1333333",
	}
	err = volOps.CreateVolume(volumeID2, wrongOpts)
	c.Assert(err, Not(IsNil))
	c.Assert(err.Error(), Equals, "Size must be multiple of block size")

	err = volOps.CreateVolume(volumeID2, opts)
	c.Assert(err, IsNil)

	listOpts := map[string]string{
		convoydriver.OPT_VOLUME_UUID: volumeID,
	}
	_, err = volOps.ListVolume(map[string]string{})
	c.Assert(err, IsNil)

	_, err = volOps.ListVolume(listOpts)
	c.Assert(err, IsNil)

	err = volOps.DeleteVolume("123")
	c.Assert(err, Not(IsNil))
	c.Assert(err, ErrorMatches, "Cannot find object .*")

	err = volOps.DeleteVolume(volumeID2)
	c.Assert(err, IsNil)

	err = volOps.DeleteVolume(volumeID)
	c.Assert(err, IsNil)
}

func TestLocalServiceManager(t *testing.T) {
	assert := assert.New(t)

	LocalServiceManagerTickerDuration = time.Millisecond * 500

	writeFilePath := filepath.Join(os.TempDir(), uuid.New()+".txt")
	defer os.Remove(writeFilePath)

	batchFilePath := filepath.Join(os.TempDir(), uuid.New()+".bat")
	defer os.Remove(batchFilePath)

	ioutil.WriteFile(batchFilePath, []byte(`
echo %time% > `+writeFilePath+`
`), 0644)

	stateFilePath := filepath.Join(os.TempDir(), uuid.New())
	defer os.Remove(stateFilePath)

	lsm := NewLocalServiceManager(stateFilePath)
	err := lsm.Start()
	assert.Nil(err)

	svc := Service{
		Name:      "fake-service",
		Directory: os.TempDir(),
		Command:   []string{"cmd.exe", "/q", "/c", batchFilePath},
	}
	err = lsm.Install(svc)
	assert.Nil(err)

	var foundFirst, foundLast string
	fiveSecondsFromNow := time.Now().Add(5 * time.Second)
	for time.Now().Before(fiveSecondsFromNow) {
		bs, err := ioutil.ReadFile(writeFilePath)
		if err == nil {
			if foundFirst == "" {
				foundFirst = string(bs)
			}
			foundLast = string(bs)

			if foundLast != foundFirst {
				break
			}
		}
		time.Sleep(100 * time.Millisecond)
	}
	assert.NotEmpty(foundFirst, "expected service manager to run command and command to write file")
	assert.NotEqual(foundLast, foundFirst, "expected service manager to restart commands when they stop")

	err = lsm.Uninstall(svc.Name)
	assert.Nil(err)
}

// NewGroup creates Group instance
func NewGroup(tasks ...*signatures.TaskSignature) *Group {
	// Generate a group UUID
	groupUUID := uuid.New()

	// Auto generate task UUIDs
	// Group tasks by common UUID
	for _, task := range tasks {
		task.UUID = uuid.New()
		task.GroupUUID = groupUUID
	}

	return &Group{Tasks: tasks}
}

func makeRing(config []string) *hashing.HashRing {
	hr := hashing.NewHashRing()
	for _, n := range config {
		fields := strings.Split(n, ":")
		if len(fields) < 2 {
			fields = append(fields, uuid.New())
		} else if fields[1] == "" {
			fields[1] = uuid.New()
		}
		hr.AddNode(hashing.NewNode(fields[0], fields[1]))
	}

	return hr
}

func GetListOfRecords() []DbRecord {
	listOfRecords := make([]DbRecord, 10)
	listOfRecords[0] = DbRecord{uuid.New(), "Shovel", 32.00}
	listOfRecords[1] = DbRecord{uuid.New(), "Lamp", 12.97}
	listOfRecords[2] = DbRecord{uuid.New(), "Food - Bread", 2.00}
	listOfRecords[3] = DbRecord{uuid.New(), "Backback", 25.02}
	listOfRecords[4] = DbRecord{uuid.New(), "Food - Water", 2.00}
	listOfRecords[5] = DbRecord{uuid.New(), "Rope", 10.00}
	listOfRecords[6] = DbRecord{uuid.New(), "Spoon", 1.00}
	listOfRecords[7] = DbRecord{uuid.New(), "Food - Meat", 8.00}
	listOfRecords[8] = DbRecord{uuid.New(), "Tent", 117.00}
	listOfRecords[9] = DbRecord{uuid.New(), "Food - Apple", 1.50}
	return listOfRecords
}