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())
}()
}