def test_periodic_alive_reminder_sends_no_alert_if_mute_key_present(self):
hours = timedelta(hours=float(1))
until = str(datetime.now() + hours)
key = Keys.get_alive_reminder_mute()
self.redis.set_for(key, until, hours)
self.counter_channel.reset() # ignore previous alerts
self.par.send_alive_alert()
self.redis.remove(key)
self.assertEqual(self.counter_channel.warning_count, 0)
self.assertEqual(self.counter_channel.critical_count, 0)
self.assertEqual(self.counter_channel.info_count, 0)
self.assertEqual(self.counter_channel.error_count, 0)
def send_alive_alert(self) -> None:
# If it is not the case that Redis is enabled and the reminder is muted,
# inform the node operator that the alerter is still running.
if not (self._redis_enabled
and self._redis.exists(Keys.get_alive_reminder_mute())):
self._channel_set.alert_info(AlerterAliveAlert())
