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 := path.Join(pwd, genTyrantFile(taskId, "sh"))
arg, err := base64.StdEncoding.DecodeString(os.Args[1])
if err != nil {
log.Error(err, arg)
}
ioutil.WriteFile(fname, arg, 0777)
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, "")
//todo: wait for tailf finish
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
}
