def test_str(self):
periodic = PeriodicTask(task="foo")
periodic.crontab = PeriodicTask.Crontab(minute="0",
hour="*",
day_of_week="*",
day_of_month="10-15",
month_of_year="*")
self.assertEqual("0 * * 10-15 * (m/h/d/dM/MY)", str(periodic.crontab))
def test_cannot_define_both_interval_and_contrab(self):
periodic = PeriodicTask(task="foo")
periodic.interval = PeriodicTask.Interval(every=1, period="days")
periodic.crontab = PeriodicTask.Crontab(minute="0",
hour="*",
day_of_week="*",
day_of_month="10-15",
month_of_year="*")
with self.assertRaises(ValidationError) as err:
periodic.save()
self.assertTrue("Cannot define both interval and crontab schedule." in
err.exception.message)
def insert(self, task_name, task, args, cron, offset):
''' insert a periodic task into database
params: task_name : string
task: a registered task in celery workers
args: task arguments
cron: crontab object
offset: UTC offset
'''
task = str(task)
task_name = str(task_name)
# the celery scheduler runs on UTC time, add offset so that it
# emulates the user timezone
cron.hour = set(map(lambda x: (x + (offset)) % 24, cron.hour))
# if the integer overflows should a day advance? or will the overflow
# only when UTC time is > 12 therefore the next time a time < 12
# occurs is on the next day?
cronArr = [cron.minute,
cron.hour,
cron.day_of_week, cron.
day_of_month,
cron.month_of_year]
# cron.minute return {number}, change to 'number' for celery schedule
for i in range(len(cronArr)):
cronArr[i] = str(cronArr[i]).replace('{', '')
cronArr[i] = cronArr[i].replace('}', '')
# following mongocelerybeat document schema for schedules
addTask = PeriodicTask()
addTask.name = task_name
addTask.task = task
addTask.crontab = addTask.Crontab(minute=cronArr[0],
hour=cronArr[1],
day_of_week=cronArr[2],
day_of_month=cronArr[3],
month_of_year=cronArr[4])
addTask.enabled = True
addTask.args = args
addTask.save()
def manage_task(self,
run_immediately_if_new: bool = False,
**task_data) -> None:
periodic = PeriodicTask.objects(name=task_data["name"])
if periodic:
logger.debug("Existing Schedule")
isChanged = False
periodic_document = periodic.get(name=task_data["name"])
for key, value in task_data.items():
if key == "interval":
if not periodic_document.interval == PeriodicTask.Interval(
**task_data["interval"]):
periodic_document.interval = PeriodicTask.Interval(
**task_data["interval"])
isChanged = True
elif key == "crontab":
if not periodic_document.crontab == PeriodicTask.Crontab(
**task_data["crontab"]):
periodic_document.crontab = PeriodicTask.Crontab(
**task_data["crontab"])
isChanged = True
elif key == "target":
pass
elif key == "total_run_count":
periodic_document[key] = task_data[key]
else:
if key in periodic_document:
if not periodic_document[key] == task_data[key]:
periodic_document[key] = task_data[key]
isChanged = True
else:
periodic_document[key] = task_data[key]
isChanged = True
else:
logger.debug("New Schedule")
isChanged = True
periodic_document = PeriodicTask(task=task_data["task"])
periodic_document.name = task_data["name"]
periodic_document.args = task_data["args"]
periodic_document.kwargs = task_data["kwargs"]
if "interval" in task_data:
periodic_document.interval = PeriodicTask.Interval(
**task_data["interval"])
else:
periodic_document.crontab = PeriodicTask.Crontab(
**task_data["crontab"])
periodic_document.enabled = task_data["enabled"]
periodic_document.run_immediately = task_data.get(
"run_immediately", run_immediately_if_new)
if "total_run_count" in task_data:
periodic_document["total_run_count"] = task_data[
"total_run_count"]
if "target" in task_data:
periodic_document["target"] = task_data["target"]
if "options" in task_data:
periodic_document["options"] = task_data["options"]
logger.info(
f"Periodic document to save: {periodic_document.to_json()}")
if isChanged:
periodic_document.save()