func runExecutor() {
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()
}
func do_executor_job(addr string) {
driver := mesos.ExecutorDriver{
Executor: &mesos.Executor{
Registered: func(
driver *mesos.ExecutorDriver,
executor mesos.ExecutorInfo,
framework mesos.FrameworkInfo,
slave mesos.SlaveInfo) {
var environ map[string]interface{}
dec := gob.NewDecoder(bytes.NewBuffer(executor.Data))
if err := dec.Decode(&environ); err != nil {
glog.Fatal(err)
}
_env.start(false, environ, false)
},
LaunchTask: func(driver *mesos.ExecutorDriver, taskInfo mesos.TaskInfo) {
taskId := taskInfo.TaskId
if err := driver.SendStatusUpdate(&mesos.TaskStatus{
TaskId: taskId,
State: mesos.NewTaskState(mesos.TaskState_TASK_RUNNING),
Message: proto.String("task is running!"),
}); err != nil {
glog.Fatal(err)
}
reader, err := gzip.NewReader(bytes.NewBuffer(taskInfo.Data))
if err != nil {
glog.Fatal(err)
}
defer reader.Close()
datas, err := ioutil.ReadAll(reader)
if err != nil {
glog.Fatal(err)
}
jobTask := &SimpleJobTask{}
dec := gob.NewDecoder(bytes.NewBuffer(datas))
if err := dec.Decode(jobTask); err != nil {
glog.Fatal(err)
}
task := jobTask.Task
accumulators.Clear()
//TODO:try it 3 timess
done := make(chan bool)
defer close(done)
result, err := task.run(done, 0)
accUpdate := accumulators.Values()
jobResult := &SimpleJobResult{
Err: err,
Result: result,
Updates: accUpdate,
}
var buf bytes.Buffer
enc := gob.NewEncoder(&buf)
if err := enc.Encode(jobResult); err != nil {
glog.Fatal(err)
}
//TODO: when things is to big
//TODO: when is url for shuffletak
if err := driver.SendStatusUpdate(&mesos.TaskStatus{
TaskId: taskId,
State: mesos.NewTaskState(mesos.TaskState_TASK_FINISHED),
Data: buf.Bytes(),
Message: proto.String("task is done!"),
}); err != nil {
glog.Fatal(err)
}
glog.Infof("task[%s] is done!", taskId)
},
},
}
driver.Init()
defer driver.Destroy()
driver.Run()
}