refactor taskmgr
This commit is contained in:
Gallen
parent
8f14b4e9c8
commit
c85342bec8
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@ -24,16 +24,12 @@ def int_to_ip(num):
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return str((num>>24)&255)+"."+str((num>>16)&255)+"."+str((num>>8)&255)+"."+str(num&255)
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class Task():
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def __init__(self, configinfo, vnodeinfo, taskinfo, priority, max_size):
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self.vnodeinfo = vnodeinfo
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self.taskinfo = taskinfo
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def __init__(self, task_id, username, at_same_time, priority, max_size, task_infos):
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self.id = task_id
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self.username = username
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self.status = WAITING
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self.subtask_list = []
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self.token = ''
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self.maxRetryCount = self.configinfo['maxRetryCount']
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self.atSameTime = self.configinfo['atSameTime']
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self.multicommand = self.configinfo['multicommand']
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self.vnode_nums = self.configinfo['vnode_nums']
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# if all the vnodes must be started at the same time
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self.at_same_time = at_same_time
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# priority the bigger the better
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# self.priority the smaller the better
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self.priority = int(time.time()) / 60 / 60 - priority
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@ -41,8 +37,13 @@ class Task():
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self.ips = None
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self.max_size = max_size
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for i in range(self.vnode_nums):
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self.subtask_list.append({'status':'WAITING','try_count':0})
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self.subtask_list = [SubTask(
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idx = index,
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root_task = self,
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vnode_info = task_info['vnode_info'],
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command_info = task_info['command_info'],
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max_retry_count = task_info['max_retry_count']
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) for (index, task_info) in enumerate(task_infos)]
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def __lt__(self, other):
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return self.priority < other.priority
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@ -55,8 +56,8 @@ class Task():
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self.ips.append(int_to_ip(base_ip + self.task_base_ip + i + 2))
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def gen_hosts(self):
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username = self.taskinfo.username
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taskid = self.taskinfo.taskid
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username = self.username
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taskid = self.id
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logger.info("Generate hosts for user(%s) task(%s) base_ip(%s)"%(username,taskid,str(self.task_base_ip)))
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fspath = env.getenv('FS_PREFIX')
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if not os.path.isdir("%s/global/users/%s" % (fspath,username)):
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@ -72,11 +73,26 @@ class Task():
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i += 1
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hosts_file.close()
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def get_one_resources_need(self):
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return self.vnodeinfo.vnode.instance
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class SubTask():
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def __init__(self, idx, root_task, vnode_info, command_info, max_retry_count):
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self.root_task = root_task
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self.vnode_info = vnode_info
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self.vnode_info.vnodeid = idx
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self.command_info = command_info
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self.command_info.vnodeid = idx
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self.max_retry_count = max_retry_count
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self.vnode_started = False
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self.task_started = False
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self.status = WAITING
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self.status_reason = ''
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self.try_count = 0
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self.worker = None
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def get_all_resources_need(self):
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return [self.vnodeinfo.vnode.instance for i in range(self.vnode_nums)]
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def waiting_for_retry(self):
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self.try_count += 1
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self.status = WAITING if self.try_count <= self.max_retry_count else FAILED
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if self.status == FAILED and self.root_task.at_same_time:
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self.root_task.status = FAILED
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class TaskReporter(MasterServicer):
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@ -89,6 +105,7 @@ class TaskReporter(MasterServicer):
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self.taskmgr.on_task_report(task_report)
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return Reply(status=Reply.ACCEPTED, message='')
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class TaskMgr(threading.Thread):
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# load task information from etcd
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@ -156,9 +173,9 @@ class TaskMgr(threading.Thread):
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self.serve()
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while not self.thread_stop:
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self.sort_out_task_queue()
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task, vnodes_workers = self.task_scheduler()
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if task is not None and workers is not None:
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self.task_processor(task, vnodes_workers)
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task, sub_task_list = self.task_scheduler()
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if task is not None and sub_task_list is not None:
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self.task_processor(task, sub_task_list)
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else:
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time.sleep(self.scheduler_interval)
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@ -185,39 +202,86 @@ class TaskMgr(threading.Thread):
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self.task_queue.append(task)
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self.task_queue = sorted(self.task_queue, key=lambda x: x.priority)
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def stop_vnode(self, worker, task, vnodeid):
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vnodeinfo = copy.copy(task.vnodeinfo)
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vnodeinfo.vnodeid = vnodeid
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def start_vnode(self, subtask):
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try:
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self.logger.info('[task_processor] Stopping vnode for task [%s] vnode [%d]' % (task.vnodeinfo.id, vnodeid))
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channel = grpc.insecure_channel('%s:%s' % (worker, self.worker_port))
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self.logger.info('[task_processor] Starting vnode for task [%s] vnode [%d]' % (subtask.vnode_info.taskid, subtask.vnode_info.vnodeid))
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channel = grpc.insecure_channel('%s:%s' % (subtask.worker, self.worker_port))
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stub = WorkerStub(channel)
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response = stub.stop_vnode(vnodeinfo)
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response = stub.start_vnode(subtask.vnode_info)
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if response.status != Reply.ACCEPTED:
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raise Exception(response.message)
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except Exception as e:
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self.logger.error('[task_processor] rpc error message: %s' % e)
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subtask.status_reason = str(e)
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return [False, e]
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return [True, ""]
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subtask.vnode_started = True
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self.cpu_usage[subtask.worker] += subtask.vnode_info.vnode.instance.cpu
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self.gpu_usage[subtask.worker] += subtask.vnode_info.vnode.instance.gpu
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return [True, '']
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def stop_vnode(self, subtask):
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try:
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self.logger.info('[task_processor] Stopping vnode for task [%s] vnode [%d]' % (subtask.vnode_info.taskid, subtask.vnode_info.vnodeid))
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channel = grpc.insecure_channel('%s:%s' % (subtask.worker, self.worker_port))
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stub = WorkerStub(channel)
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response = stub.stop_vnode(subtask.vnode_info)
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if response.status != Reply.ACCEPTED:
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raise Exception(response.message)
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except Exception as e:
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self.logger.error('[task_processor] rpc error message: %s' % e)
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subtask.status_reason = str(e)
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return [False, e]
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subtask.vnode_started = False
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self.cpu_usage[subtask.worker] -= subtask.vnode_info.vnode.instance.cpu
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self.gpu_usage[subtask.worker] -= subtask.vnode_info.vnode.instance.gpu
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return [True, '']
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def start_task(self, subtask):
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try:
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self.logger.info('[task_processor] Starting task [%s] vnode [%d]' % (subtask.vnode_info.taskid, subtask.vnode_info.vnodeid))
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channel = grpc.insecure_channel('%s:%s' % (subtask.worker, self.worker_port))
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stub = WorkerStub(channel)
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response = stub.start_task(subtask.command_info)
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if response.status != Reply.ACCEPTED:
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raise Exception(response.message)
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except Exception as e:
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self.logger.error('[task_processor] rpc error message: %s' % e)
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subtask.status_reason = str(e)
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subtask.task_started = True
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def stop_task(self, subtask):
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try:
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self.logger.info('[task_processor] Stoping task [%s] vnode [%d]' % (subtask.vnode_info.taskid, subtask.vnode_info.vnodeid))
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channel = grpc.insecure_channel('%s:%s' % (subtask.worker, self.worker_port))
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stub = WorkerStub(channel)
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response = stub.stop_stask(subtask.command_info)
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if response.status != Reply.ACCEPTED:
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raise Exception(response.message)
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except Exception as e:
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self.logger.error('[task_processor] rpc error message: %s' % e)
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subtask.status = FAILED
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subtask.status_reason = str(e)
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subtask.task_started = False
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@net_lock
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def acquire_task_ips(self, task):
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self.logger.info("[acquire_task_ips] user(%s) task(%s) net(%s)"%(task.taskinfo.username, task.taskinfo.taskid, str(task.task_base_ip)))
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self.logger.info("[acquire_task_ips] user(%s) task(%s) net(%s)" % (task.username, task.id, str(task.task_base_ip)))
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if task.task_base_ip == None:
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task.task_base_ip = self.free_nets.pop(0)
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return task.task_base_ip
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@net_lock
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def release_task_ips(self,task):
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self.logger.info("[release_task_ips] user(%s) task(%s) net(%s)"%(task.taskinfo.username, task.taskinfo.taskid, str(task.task_base_ip)))
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def release_task_ips(self, task):
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self.logger.info("[release_task_ips] user(%s) task(%s) net(%s)" % (task.username, task.id, str(task.task_base_ip)))
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if task.task_base_ip == None:
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return
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self.free_nets.append(task.task_base_ip)
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self.logger.error('[release task_net] %s'%str(e))
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task.task_base_ip = None
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self.logger.error('[release task_net] %s' % str(e))
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def setup_tasknet(self, task, workers=None):
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taskid = task.taskinfo.taskid
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username = task.taskinfo.username
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taskid = task.id
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username = task.username
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brname = "docklet-batch-%s-%s"%(username, taskid)
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gwname = "Batch-%s-%s"%(username, taskid)
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if task.task_base_ip == None:
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@ -232,85 +296,113 @@ class TaskMgr(threading.Thread):
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return [True, gatewayip]
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def remove_tasknet(self, task):
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taskid = task.taskinfo.taskid
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username = task.taskinfo.username
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taskid = task.id
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username = task.username
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brname = "docklet-batch-%s-%s"%(username, taskid)
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netcontrol.del_bridge(brname)
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def task_processor(self, task, vnodes_workers):
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def task_processor(self, task, sub_task_list):
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task.status = RUNNING
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self.jobmgr.report(task.taskinfo.taskid,'running')
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# self.jobmgr.report(task.id,'running')
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# properties for transactio
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self.acquire_task_net(task)
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self.acquire_task_ips(task)
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task.gen_ips_from_base(self.base_ip)
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task.gen_hosts()
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#need to create hosts
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[success, gwip] = self.setup_tasknet(task,[w[1] for w in vnodes_workers])
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[success, gwip] = self.setup_tasknet(task, [sub_task.worker for sub_task in sub_task_list])
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if not success:
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self.release_task_ips(task)
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return [False, gwip]
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token = ''.join(random.sample(string.ascii_letters + string.digits, 8))
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placed_workers = []
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start_all_vnode_success = True
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# start vc
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for vid, worker in vnodes_workers:
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vnodeinfo = copy.copy(task.vnodeinfo)
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vnodeinfo.vnodeid = vid
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vnodeinfo.vnode.hostname = "batch-"+str(vid%task.max_size)
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vnode = task.subtask_list[vid]
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vnode['status'] = RUNNING
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vnode['try_count'] += 1
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vnode['token'] = token
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vnode['worker'] = worker
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for sub_task in sub_task_list:
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vnode_info = sub_task.vnode_info
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vnode_info.vnode.hostname = "batch-"+str(vid%task.max_size)
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if sub_task.vnode_started:
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continue
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self.cpu_usage[worker] += task.vnodeinfo.vnode.instance.cpu
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self.gpu_usage[worker] += task.vnodeinfo.vnode.instance.gpu
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username = task.vnodeinfo.username
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username = sub_task.username
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#container_name = task.info.username + '-batch-' + task.info.id + '-' + str(instance_id) + '-' + task.info.token
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#if not username in self.user_containers.keys():
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#self.user_containers[username] = []
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#self.user_containers[username].append(container_name)
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ipaddr = task.ips[vid%task.max_size]
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brname = "docklet-batch-%s-%s"%(username, taskid)
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ipaddr = task.ips[vid % task.max_size]
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brname = "docklet-batch-%s-%s" % (username, taskid)
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networkinfo = Network(ipaddr=ipaddr, gateway=gwip, masterip=self.masterip, brname=brname)
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vnodeinfo.vnode.network = networkinfo
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vnode_info.vnode.network = networkinfo
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try:
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self.logger.info('[task_processor] starting vnode for task [%s] instance [%d]' % (task.vnodeinfo.id, vid))
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channel = grpc.insecure_channel('%s:%s' % (worker, self.worker_port))
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stub = WorkerStub(channel)
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response = stub.start_vnode(vnodeinfo)
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placed_workers.append(worker)
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if response.status != Reply.ACCEPTED:
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raise Exception(response.message)
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except Exception as e:
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self.logger.error('[task_processor] rpc error message: %s' % e)
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task.status = FAILED
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vnode['status'] = FAILED
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vnode['try_count'] -= 1
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for pl_worker in placed_workers:
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pass
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if not self.start_vnode(sub_task):
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sub_task.waiting_for_retry()
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sub_task.worker = None
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start_all_vnode_success = False
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if not start_all_vnode_success:
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return
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#self.user_containers[username].remove(container_name)
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# start tasks
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for vid, worker in vnodes_workers:
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taskinfo = copy.copy(task.taskinfo)
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taskinfo.vnodeid = vid
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taskinfo.token = token
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vnode = task.subtask_list[vid]
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try:
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self.logger.info('[task_processor] starting task [%s] instance [%d]' % (task.vnodeinfo.id, vid))
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channel = grpc.insecure_channel('%s:%s' % (worker, self.worker_port))
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stub = WorkerStub(channel)
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response = stub.start_task(taskinfo)
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if response.status != Reply.ACCEPTED:
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raise Exception(response.message)
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except Exception as e:
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self.logger.error('[task_processor] rpc error message: %s' % e)
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task.status = FAILED
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for sub_task in sub_task_list:
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task_info = sub_task.command_info
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task_info.token = ''.join(random.sample(string.ascii_letters + string.digits, 8))
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if self.start_task(sub_task):
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sub_task.status = RUNNING
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else:
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sub_task.waiting_for_retry()
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def clear_sub_tasks(self, sub_task_list):
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for sub_task in sub_task_list:
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self.clear_sub_task(sub_task)
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def clear_sub_task(self, sub_task):
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if sub_task.task_started:
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self.stop_task(sub_task)
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if sub_task.vnode_started:
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self.stop_vnode(sub_task)
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def check_task_completed(self, task):
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if task.status == RUNNING or task.status == WAITING:
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for sub_task in task.subtask_list:
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if sub_task.status == RUNNING or sub_task.status == WAITING:
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return False
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self.logger.info('task %s completed' % task.id)
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if task.at_same_time and task.status == FAILED:
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self.clear_sub_tasks(task.subtask_list)
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# TODO report to jobmgr
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self.lazy_delete_list.append(task)
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return True
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# this method is called when worker send heart-beat rpc request
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def on_task_report(self, report):
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self.logger.info('[on_task_report] receive task report: id %s-%d, status %d' % (report.taskid, report.vnodeid, report.subTaskStatus))
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task = self.get_task(report.taskid)
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if task == None:
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self.logger.error('[on_task_report] task not found')
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return
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sub_task = task.subtask_list[report.vnodeid]
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if sub_task.token != report.token:
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self.logger.warning('[on_task_report] wrong token')
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return
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username = task.username
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# container_name = username + '-batch-' + task.info.id + '-' + str(report.instanceid) + '-' + report.token
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# self.user_containers[username].remove(container_name)
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if sub_task.status != RUNNING:
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self.logger.error('[on_task_report] receive task report when instance is not running')
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sub_task.status = report.subTaskStatus
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sub_task.status_reason = report.errmsg
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self.clear_sub_task(sub_task)
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if report.subTaskStatus == FAILED or report.subTaskStatus == TIMEOUT:
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sub_task.waiting_for_retry()
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# return task, workers
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def task_scheduler(self):
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@ -320,60 +412,45 @@ class TaskMgr(threading.Thread):
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for task in self.task_queue:
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if task in self.lazy_delete_list:
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continue
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if task.atSameTime:
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# parallel tasks
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if task.status == RUNNING:
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if self.check_task_completed(task):
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continue
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workers = self.find_proper_workers(task.get_all_resources_need())
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if len(workers) < task.vnode_nums:
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if task.at_same_time:
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# parallel tasks
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workers = self.find_proper_workers(task.subtask_list)
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if len(workers) == 0:
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return None, None
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else:
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idxs = [i for i in range(task.vnode_nums)]
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return task, zip(idxs,workers)
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for i in range(len(workers)):
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task.subtask_list[i].worker = workers[i]
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return task, task.subtask_list
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else:
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# traditional tasks
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workers = self.find_proper_workers([task.get_one_resources_need()])
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||||
if len(workers) < task.vnode_nums:
|
||||
return None, None, None
|
||||
'''for index, instance in enumerate(task.instance_list):
|
||||
# find instance to retry
|
||||
if (instance['status'] == FAILED or instance['status'] == TIMEOUT) and instance['try_count'] <= task.info.maxRetryCount:
|
||||
if worker is not None:
|
||||
self.logger.info('[task_scheduler] retry')
|
||||
return task, index, worker
|
||||
# find timeout instance
|
||||
elif instance['status'] == RUNNING:
|
||||
if not self.is_alive(instance['worker']):
|
||||
instance['status'] = FAILED
|
||||
instance['token'] = ''
|
||||
self.cpu_usage[instance['worker']] -= task.info.cluster.instance.cpu
|
||||
self.gpu_usage[instance['worker']] -= task.info.cluster.instance.gpu
|
||||
for sub_task in task.subtask_list:
|
||||
if sub_task.status == WAITING:
|
||||
workers = self.find_proper_workers([sub_task])
|
||||
if len(workers) > 0:
|
||||
sub_task.worker = workers[0]
|
||||
return task, [sub_task]
|
||||
|
||||
self.logger.warning('[task_scheduler] worker dead, retry task [%s] instance [%d]' % (task.info.id, index))
|
||||
if worker is not None:
|
||||
return task, index, worker
|
||||
return None, None
|
||||
|
||||
if worker is not None:
|
||||
# start new instance
|
||||
if len(task.instance_list) < task.info.instanceCount:
|
||||
instance = {}
|
||||
instance['try_count'] = 0
|
||||
task.instance_list.append(instance)
|
||||
return task, len(task.instance_list) - 1, worker'''
|
||||
|
||||
self.check_task_completed(task)
|
||||
|
||||
return None, None, None
|
||||
|
||||
def find_proper_workers(self, vnodes_configs):
|
||||
def find_proper_workers(self, sub_task_list):
|
||||
nodes = self.get_all_nodes()
|
||||
if nodes is None or len(nodes) == 0:
|
||||
self.logger.warning('[task_scheduler] running nodes not found')
|
||||
return None
|
||||
|
||||
proper_workers = []
|
||||
for needs in vnodes_configs:
|
||||
has_waiting = False
|
||||
for sub_task in sub_task_list:
|
||||
if sub_task.status == WAITING:
|
||||
has_waiting = True
|
||||
if sub_task.worker is not None and sub_task.vnode_started:
|
||||
proper_workers.append(sub_task.worker)
|
||||
continue
|
||||
needs = sub_task.vnode_info.vnode.instance
|
||||
proper_worker = None
|
||||
for worker_ip, worker_info in nodes:
|
||||
if needs.cpu + self.get_cpu_usage(worker_ip) > worker_info['cpu']:
|
||||
continue
|
||||
|
|
@ -391,11 +468,16 @@ class TaskMgr(threading.Thread):
|
|||
worker_info['memory'] -= needs.memory
|
||||
worker_info['gpu'] -= needs.gpu
|
||||
worker_info['disk'] -= needs.disk
|
||||
proper_workers.append(worker_ip)
|
||||
proper_worker = worker_ip
|
||||
break
|
||||
if proper_worker is not None:
|
||||
proper_workers.append(proper_worker)
|
||||
else:
|
||||
return []
|
||||
if has_waiting:
|
||||
return proper_workers
|
||||
else:
|
||||
return []
|
||||
|
||||
def get_all_nodes(self):
|
||||
# cache running nodes
|
||||
|
|
@ -445,11 +527,16 @@ class TaskMgr(threading.Thread):
|
|||
"base": Image.BASE,
|
||||
"public": Image.PUBLIC
|
||||
}
|
||||
configinfo = {'vnode_nums':7,'atSameTime':True,'MultiStart':True,
|
||||
'maxRetryCount':int(json_task['retryCount'])}
|
||||
# json_task = json.loads(json_task)
|
||||
task = Task(configinfo,
|
||||
VNodeInfo(
|
||||
task = Task(
|
||||
task_id = taskid,
|
||||
username = username,
|
||||
# all vnode must be started at the same time
|
||||
at_same_time = json_task['at_same_time'],
|
||||
priority = task_priority,
|
||||
max_size = (1 << self.task_cidr) - 2,
|
||||
task_infos = [{
|
||||
'max_retry_count': int(json_task['retryCount']),
|
||||
'vnode_info': VNodeInfo(
|
||||
taskid = taskid,
|
||||
username = username,
|
||||
vnode = Vnode(
|
||||
|
|
@ -461,9 +548,14 @@ class TaskMgr(threading.Thread):
|
|||
cpu = int(json_task['cpuSetting']),
|
||||
memory = int(json_task['memorySetting']),
|
||||
disk = int(json_task['diskSetting']),
|
||||
gpu = int(json_task['gpuSetting'])))
|
||||
gpu = int(json_task['gpuSetting'])),
|
||||
mount = [Mount(
|
||||
localPath = json_task['mapping'][mapping_key]['mappingLocalDir'],
|
||||
remotePath=json_task['mapping'][mapping_key]['mappingRemoteDir'])
|
||||
for mapping_key in json_task['mapping']] if 'mapping' in json_task else []
|
||||
),
|
||||
TaskInfo(
|
||||
),
|
||||
'command_info': TaskInfo(
|
||||
taskid = taskid,
|
||||
username = username,
|
||||
parameters = Parameters(
|
||||
|
|
@ -473,13 +565,11 @@ class TaskMgr(threading.Thread):
|
|||
envVars = {}),
|
||||
stderrRedirectPath = json_task.get('stdErrRedPth',""),
|
||||
stdoutRedirectPath = json_task.get('stdOutRedPth',"")),
|
||||
timeout = int(json_task['expTime']),
|
||||
),
|
||||
priority=task_priority,max_size=(1<<self.task_cidr)-2)
|
||||
if 'mapping' in json_task:
|
||||
task.vnodeinfo.vnode.mount.extend([Mount(localPath=json_task['mapping'][mapping_key]['mappingLocalDir'],
|
||||
remotePath=json_task['mapping'][mapping_key]['mappingRemoteDir'])
|
||||
for mapping_key in json_task['mapping']])
|
||||
timeout = int(json_task['expTime'])
|
||||
# commands are executed in all vnodes / only excuted in the first vnode
|
||||
# if in traditional mode, commands will be executed in all vnodes
|
||||
) if (not json_task['at_same_time'] or json_task['multicommand'] or instance_index == 0) else None
|
||||
} for instance_index in range(json_task['instCount'])])
|
||||
self.lazy_append_list.append(task)
|
||||
|
||||
|
||||
|
|
@ -488,7 +578,7 @@ class TaskMgr(threading.Thread):
|
|||
@queue_lock
|
||||
def get_task(self, taskid):
|
||||
for task in self.task_queue:
|
||||
if task.info.id == taskid:
|
||||
if task.id == taskid:
|
||||
return task
|
||||
return None
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue