def start_workers():
# Launch worker threads to operate on queue
logger.info('Starting %s worker threads' % cf.num_workers)
for i in range(cf.num_workers):
t = threading.Thread(target=processor, kwargs={'worker_id': i})
t.daemon = True
t.start()
# If the config file has a [cron] section, the key names therein are
# functions from 'myfuncs.py' which should be invoked periodically.
# The key's value (must be numeric!) is the period in seconds.
if cf.has_section('cron'):
for name, val in cf.items('cron'):
try:
func = load_function(name=name, filepath=cf.functions)
cron_options = parse_cron_options(val)
interval = cron_options['interval']
logger.debug('Scheduling function "{name}" as periodic task ' \
'to run each {interval} seconds via [cron] section'.format(name=name, interval=interval))
service = make_service(mqttc=mqttc, name='mqttwarn.cron')
ptlist[name] = PeriodicThread(callback=func, period=interval, name=name, srv=service, now=asbool(cron_options.get('now')))
ptlist[name].start()
except AttributeError:
logger.error("[cron] section has function [%s] specified, but that's not defined" % name)
continue
def test_parse_cron_options():
assert parse_cron_options('60; now=true') == {'now': 'true', 'interval': 60.0}
def test_parse_cron_options():
assert parse_cron_options("60; now=true") == {
"now": "true",
"interval": 60.0
}