Exemple #1
0
func (e *Executor) LaunchTask(driver executor.ExecutorDriver, task *mesos.TaskInfo) {
	Logger.Infof("[LaunchTask] %s", task)

	Config.Read(task)

	serializer := e.serializer(Config.Transform)

	producer, err := e.newProducer(serializer) //create producer before sending the running status
	if err != nil {
		Logger.Errorf("Failed to create producer: %s", err)
		os.Exit(1)
	}

	runStatus := &mesos.TaskStatus{
		TaskId: task.GetTaskId(),
		State:  mesos.TaskState_TASK_RUNNING.Enum(),
	}

	if _, err := driver.SendStatusUpdate(runStatus); err != nil {
		Logger.Errorf("Failed to send status update: %s", runStatus)
		os.Exit(1) //TODO not sure if we should exit in this case, but probably yes
	}

	go func() {
		//TODO configs should come from scheduler
		e.reporter = NewMetricsReporter(task.GetSlaveId().GetValue(), e.slaveInfo.GetHostname(), e.slaveInfo.GetPort(), Config.ReportingInterval, producer, Config.Topic, Config.Transform)
		e.reporter.Start()

		// finish task
		Logger.Infof("Finishing task %s", task.GetName())
		finStatus := &mesos.TaskStatus{
			TaskId: task.GetTaskId(),
			State:  mesos.TaskState_TASK_FINISHED.Enum(),
		}
		if _, err := driver.SendStatusUpdate(finStatus); err != nil {
			Logger.Errorf("Failed to send status update: %s", finStatus)
			os.Exit(1)
		}
		Logger.Infof("Task %s has finished", task.GetName())
	}()
}