def handle(self, *args, **options):
now = datetime.now()
lock_time = now - settings.FSCAN_TDELTA['max']
orphan_proc = Scan.objects.filter(
status=settings.SCAN_STATUS['in_process'],
last_updated__lte=lock_time)
for obj in orphan_proc:
obj.unlock_task('find_scans call unlock task')
for scan_task in ScanTask.objects.filter(
status=settings.TASK_STATUS['free']):
min_time_allowed = now - settings.FSCAN_TDELTA['max']
# start at fixed time
if scan_task.start:
now_delta = now - scan_task.start
if (now_delta < settings.FSCAN_TDELTA['max'] and
now_delta > settings.FSCAN_TDELTA['min']):
if not Scan.objects.filter(scan_task=scan_task.id,
finish__gte=min_time_allowed):
logger.info('Found waiting time scan: %s' % scan_task.target)
scan_task.run()
# cron-schedule start
if scan_task.cron:
job = CronExpression(smart_str(scan_task.cron))
if job.check_trigger((now.year, now.month, now.day, now.hour,
now.minute)):
if not Scan.objects.filter(scan_task=scan_task.id,
finish__gte=min_time_allowed):
logger.info('Found waiting cron scan: %s' % scan_task.target)
scan_task.run()
class Cron(InputModule):
'''**Generates an event at the defined time**
Generates an event with the defined payload at the chosen time.
Time is in crontab format.
Parameters::
- native_events(bool)(False)
| Whether to expect incoming events to be native Wishbone events
- cron(string)("*/10 * * * *")
| The cron expression.
- payload(str)("wishbone")
| The content of <destination>.
- destination(str)("data")
| The location to write <payload> to.
Queues::
- outbox
| Outgoing messges
'''
def __init__(self, actor_config, native_events=False,
cron="*/10 * * * *", payload="wishbone", destination="data"):
Actor.__init__(self, actor_config)
self.pool.createQueue("outbox")
self.cron = CronExpression("%s wishbone" % self.kwargs.cron)
def preHook(self):
self.sendToBackground(self.timer)
def timer(self):
while self.loop():
if self.cron.check_trigger(time.localtime(time.time())[:5]):
self.logging.info("Cron executed.")
for chunk in [self.kwargs_raw["payload"], None]:
for payload in self.decode(chunk):
event = self.generateEvent(
payload,
self.kwargs.destination
)
self.submit(
event,
"outbox"
)
sleep(60)
class Cron(Actor):
'''**Generates an event at the defined time**
Generates an event with the defined payload at the chosen time.
Time is in crontab format.
Parameters:
- cron(string)("*/10 * * * *")
| The cron expression.
- payload(str)("wishbone")
| The content of <field>.
- field(str)("@data")
| The location to write <payload> to.
Queues:
- outbox
| Outgoing messges
'''
def __init__(self, actor_config, cron="*/10 * * * *", payload="wishbone", field="@data"):
Actor.__init__(self, actor_config)
self.pool.createQueue("outbox")
self.cron = CronExpression("%s wishbone" % self.kwargs.cron)
def preHook(self):
self.sendToBackground(self.timer)
def timer(self):
while self.loop():
if self.cron.check_trigger(time.localtime(time.time())[:5]):
self.logging.info("Cron fired.")
e = Event()
e.set(self.kwargs.payload, self.kwargs.field)
self.submit(e, self.pool.queue.outbox)
sleep(60)
