// if this should not run, return false
func (tr *TaskRunner) Run(fc *flame.FlowContext) {
taskGroups := scheduler.GroupTasks(fc)
tr.Tasks = taskGroups[tr.option.TaskGroupId].Tasks
if len(tr.Tasks) == 0 {
log.Println("How can the task group has no tasks!")
return
}
// 4. setup task input and output channels
var wg sync.WaitGroup
tr.connectInputsAndOutputs(&wg)
// 6. starts to run the task locally
for _, task := range tr.Tasks {
wg.Add(1)
go func(task *flame.Task) {
defer wg.Done()
task.Run()
}(task)
}
// 7. need to close connected output channels
wg.Wait()
}
// driver runs on local, controlling all tasks
func (fcd *FlowContextDriver) Run(fc *flame.FlowContext) {
taskGroups := scheduler.GroupTasks(fc)
// schedule to run the steps
var wg sync.WaitGroup
for _, tg := range taskGroups {
wg.Add(1)
go func(taskGroupId int) {
defer wg.Done()
dir, _ := os.Getwd()
request := NewStartRequest(os.Args[0], dir,
"-task.context.id",
strconv.Itoa(fc.Id),
"-task.taskGroup.id",
strconv.Itoa(taskGroupId),
)
if err := RemoteExecute(fcd.option.Leader, "a1", request); err != nil {
println("exeuction error:", err.Error())
}
}(tg.Id)
}
wg.Wait()
}