Esempio n. 1
0
func main() {
	pwd, err := os.Getwd()
	if err != nil {
		log.Fatal(err)
	}

	se := &ShellExecutor{pwd: pwd, finish: make(chan string),
		process: make(map[string]*exec.Cmd)}
	driver := mesos.ExecutorDriver{
		Executor: &mesos.Executor{
			Registered:   se.OnRegister,
			KillTask:     se.OnKillTask,
			LaunchTask:   se.OnLaunchTask,
			Shutdown:     se.OnShutdown,
			Error:        se.OnError,
			Disconnected: se.OnDisconnected,
		},
	}

	go se.EventLoop()

	driver.Init()
	defer driver.Destroy()

	driver.Run()
}
Esempio n. 2
0
func (self *ShellExecutor) OnLaunchTask(driver *mesos.ExecutorDriver, taskInfo mesos.TaskInfo) {
	fmt.Println("Launch task:", taskInfo.TaskId.GetValue())
	log.Debug("send running state")
	self.sendStatusUpdate(taskInfo.TaskId.GetValue(), mesos.TaskState_TASK_RUNNING, "task is running!")

	log.Debugf("%+v", os.Args)
	startch := make(chan struct{}, 1)
	if len(os.Args) == 2 {
		fname := taskInfo.TaskId.GetValue()
		ioutil.WriteFile(fname, []byte(os.Args[1]), 0644)
		cmd := exec.Command("/bin/sh", fname)
		go func() {
			defer func() {
				self.finish <- taskInfo.TaskId.GetValue()
				log.Debug("send finish state")
				self.sendStatusUpdate(taskInfo.TaskId.GetValue(), mesos.TaskState_TASK_FINISHED, "Go task is done!")
				time.Sleep(10 * time.Second)
				driver.Stop()
			}()

			self.lock.Lock()
			self.process[taskInfo.TaskId.GetValue()] = cmd
			self.lock.Unlock()
			startch <- struct{}{}
			out, err := cmd.Output()

			if err != nil {
				log.Error(err.Error())
			} else {
				fmt.Println(string(out))
				//	log.Debug(string(out))
			}
		}()
	} else {
		log.Debug("send finish state")
		self.sendStatusUpdate(taskInfo.TaskId.GetValue(), mesos.TaskState_TASK_FINISHED, "Go task is done!")
		time.Sleep(10 * time.Second)
		driver.Stop()

	}
	<-startch
}
Esempio n. 3
0
File: main.go Progetto: nqn/mesos-go
func main() {
	driver := mesos.ExecutorDriver{
		Executor: &mesos.Executor{
			Registered: func(
				driver *mesos.ExecutorDriver,
				executor mesos.ExecutorInfo,
				framework mesos.FrameworkInfo,
				slave mesos.SlaveInfo) {
				fmt.Println("Executor registered!")
			},

			LaunchTask: func(driver *mesos.ExecutorDriver, taskInfo mesos.TaskInfo) {
				fmt.Println("Launch task!")
				driver.SendStatusUpdate(&mesos.TaskStatus{
					TaskId:  taskInfo.TaskId,
					State:   mesos.NewTaskState(mesos.TaskState_TASK_RUNNING),
					Message: proto.String("Go task is running!"),
				})

				driver.SendStatusUpdate(&mesos.TaskStatus{
					TaskId:  taskInfo.TaskId,
					State:   mesos.NewTaskState(mesos.TaskState_TASK_FINISHED),
					Message: proto.String("Go task is done!"),
				})
			},
		},
	}

	driver.Init()
	defer driver.Destroy()

	driver.Run()
}
Esempio n. 4
0
func (self *ShellExecutor) OnLaunchTask(driver *mesos.ExecutorDriver, taskInfo mesos.TaskInfo) {
	taskId := taskInfo.TaskId.GetValue()
	fmt.Println("Launch task:", taskId)
	log.Debug("send running state")
	self.sendStatusUpdate(taskId, mesos.TaskState_TASK_RUNNING, "")
	pwd, err := os.Getwd()
	if err != nil {
		log.Error(err)
	}
	eventFile := path.Join(pwd, genTyrantFile(taskId, "event"))
	touch(eventFile)
	os.Setenv("TyrantStatusFile", eventFile)
	f := self.tailf(eventFile, taskId)

	log.Debugf("%+v", os.Args)
	startch := make(chan struct{}, 1)
	if len(os.Args) == 2 {
		fname := genTyrantFile(taskId, "sh")
		arg, err := base64.StdEncoding.DecodeString(os.Args[1])
		if err != nil {
			log.Error(err, arg)
		}
		ioutil.WriteFile(fname, arg, 0644)
		cmd := exec.Command("/bin/sh", fname)
		go func(taskId string) {
			var err error
			defer func() {
				s := mesos.TaskState_TASK_FINISHED
				if err != nil {
					s = mesos.TaskState_TASK_FAILED
				}
				self.finish <- taskId
				log.Debug("send taskend state")
				self.sendStatusUpdate(taskId, s, "")
				f.Stop()
				time.Sleep(3 * time.Second)
				driver.Stop()
			}()

			self.lock.Lock()
			self.process[taskId] = &contex{cmd: cmd, statusFile: f}
			self.lock.Unlock()
			startch <- struct{}{}
			cmd.Stderr = os.Stderr
			cmd.Stdout = os.Stdout

			err = cmd.Start()
			if err != nil {
				log.Warning(err)
				return
			}
			log.Debug("pid", cmd.Process.Pid)
			err = cmd.Wait()
			if err != nil {
				log.Warning(err)
				return
			}
		}(taskId)
	} else {
		log.Debug("argc", len(os.Args), os.Args)
		log.Debug("send finish state")
		self.sendStatusUpdate(taskId, mesos.TaskState_TASK_FINISHED, "")
		time.Sleep(10 * time.Second)
		driver.Stop()
	}
	<-startch
}