def test_get_first_task(self):
task_queue = TaskQueue()
task = {
'emulation_time': 10,
'dasl_filename': 'dsal2.yaml',
'data_setting': '',
'report_name': 'report3.json'
}
task_queue.queue.put(task)
first_task = task_queue.get_first_task()
self.assertEqual(first_task['emulation_time'], task['emulation_time'])
self.assertEqual(first_task['dasl_filename'], task['dasl_filename'])
self.assertEqual(first_task['data_setting'], task['data_setting'])
self.assertEqual(first_task['report_name'], task['report_name'])
class TaskManager:
def __init__(self):
self.task_queue = TaskQueue()
self.task_worker = TaskWorker()
self.redis_connection = redis.StrictRedis(
host=Config.FRONTEND_IP,
port=Config.REDIS_PORT,
password=Config.REDIS_PASSWORD,
encoding="utf-8",
decode_responses=True)
self.wait_task()
def wait_task(self):
self.execution_thread = threading.Thread(target=self._exectue_task,
name='execution_thread',
args=())
self.execution_thread.daemon = True
self.execution_thread.start()
def get_available_device(self):
def check_heartbeat(ip_address):
TIME_LIMIT = 2
current_time = float(self.redis_connection.time()[0])
worker_time = float(self.redis_connection.hget(ip_address, "time"))
return current_time - worker_time < TIME_LIMIT
time.sleep(1)
avaliable_ip_address = []
for ip in self.redis_connection.scan_iter("ip:*"):
if check_heartbeat(ip):
avaliable_ip_address.append(ip)
return avaliable_ip_address
def get_all_tasks(self):
pending_tasks = self.task_queue.get_all_tasks()
executing_task = self.task_worker.executing_task
executing_task['emulation_status'] = self.get_executing_task_status()
return [executing_task] + pending_tasks
def get_task_size(self):
return self.task_queue.get_pending_task_size() + int(
self.task_worker.get_executing_task_id() != '0')
def add_task_into_queue(self, task: dict):
new_task = self.task_queue.add_task(task)
return new_task
def _manager_is_running(self):
"""
This function is used to testting.
"""
return True
def _exectue_task(self):
while self._manager_is_running():
if self.task_queue.get_pending_task_size() > 0:
print('execute task')
task = self.task_queue.get_first_task()
self.task_worker.execute_task(task)
print('finish task')
time.sleep(1)
def _abort_executing_task(self):
aborted_task = self.task_worker.abort_executing_task()
return aborted_task
def _cancel_task_from_queue(self, task_id):
canceled_task = self.task_queue.cancel_pending_task(task_id)
return canceled_task
def delete_task(self, task_id):
if self.task_worker.get_executing_task_id() == task_id:
print('abort')
deleted_task = self._abort_executing_task()
else:
deleted_task = self._cancel_task_from_queue(task_id)
return deleted_task
def get_executing_task(self):
return self.task_worker.executing_task
def get_executing_task_status(self):
return self.task_worker.get_executing_task_status()