def handle(self):
event = self.event
alert = AlertGenerator(event)
interface = event.get_subject()
is_unresolved = unresolved.refers_to_unresolved_alert(event)
if event.state == event.STATE_START:
alert.alert_type = 'linkDegraded'
if is_unresolved:
return self._handle_duplicate(alert, is_unresolved)
if not interface.is_degraded():
return self._ignore("Got aggregateLinkState start event, but "
"the interface is not currently degraded.")
elif event.state == event.STATE_END:
alert.alert_type = 'linkRestored'
if not is_unresolved:
return self._ignore("Got aggregateLinkState end event, but "
"there is no currently active alert to "
"resolve.")
if interface.is_degraded():
return self._ignore("Got aggregateLinkState end event, but the "
"interface still appears to be degraded.")
if self._box_is_on_maintenance():
alert.post_alert_history()
else:
alert.post()
event.delete()
def _get_down_alert(self):
alert = AlertGenerator(self.event)
if self._verify_shadow():
alert.alert_type = 'boxShadow'
self._set_internal_state(Netbox.UP_SHADOW)
else:
alert.alert_type = 'boxDown'
return alert
def _get_down_alert(self):
alert = AlertGenerator(self.event)
if self._verify_shadow():
alert.alert_type = 'boxShadow'
self._set_internal_state(Netbox.UP_SHADOW)
else:
alert.alert_type = 'boxDown'
return alert
def _post_down_warning(self):
"""Posts the actual warning alert"""
alert = AlertGenerator(self.event)
alert.state = self.event.STATE_STATELESS
shadow = self._verify_shadow()
if shadow:
alert.alert_type = 'boxShadowWarning'
self._set_internal_state(Netbox.UP_SHADOW)
else:
alert.alert_type = 'boxDownWarning'
self._logger.info("%s: Posting %s alert", self.event.netbox, alert.alert_type)
alert.post()
def _post_down_warning(self):
"""Posts the actual warning alert"""
alert = AlertGenerator(self.event)
alert.state = self.event.STATE_STATELESS
shadow = self._verify_shadow()
if shadow:
alert.alert_type = 'boxShadowWarning'
self._set_internal_state(Netbox.UP_SHADOW)
else:
alert.alert_type = 'boxDownWarning'
self._logger.info("%s: Posting %s alert",
self.event.netbox, alert.alert_type)
alert.post()
def _get_up_alert(self):
alert = AlertGenerator(self.event)
alert.alert_type = "linkUp"
self._logger.info(
"Posting %s alert for %s", alert.alert_type, self.get_target()
)
return alert
def _get_down_alert(self):
if self._is_netbox_currently_up():
alert = AlertGenerator(self.event)
alert.alert_type = 'snmpAgentDown'
return alert
else:
self._logger.info("%s has gone down in the meantime, "
"not posting snmpAgentDown alert",
self.get_target())
def _post_alert(self, event):
alert = AlertGenerator(event)
alert.alert_type = ('onMaintenance' if event.state == event.STATE_START
else 'offMaintenance')
alert.history_vars = dict(alert)
if alert.is_event_duplicate():
self._logger.info('Ignoring duplicate event')
else:
alert.post()
def _post_alert(self, event):
alert = AlertGenerator(event)
alert.alert_type = ('exceededThreshold' if event.state
== event.STATE_START else 'belowThreshold')
if alert.is_event_duplicate():
self._logger.info('Ignoring duplicate alert')
else:
alert.post()
def _post_alert(self, event):
alert = AlertGenerator(event)
alert.alert_type = (
'onMaintenance' if event.state == event.STATE_START
else 'offMaintenance')
alert.history_vars = dict(alert)
if alert.is_event_duplicate():
self._logger.info('Ignoring duplicate event')
else:
alert.post()
def _post_alert(self, event):
alert = AlertGenerator(event)
alert.alert_type = (
'exceededThreshold' if event.state == event.STATE_START
else 'belowThreshold')
if alert.is_event_duplicate():
self._logger.info('Ignoring duplicate alert')
else:
alert.post()
def _get_down_alert(self):
alert = AlertGenerator(self.event)
alert.alert_type = "linkDown"
if any((self._hold_back_alert_due_to_vlan_mismatch(),
self._hold_back_alert_due_to_redundancy_limit())):
self._logger.info("%s: withholding %s alert because of unmatched "
"criteria", self.get_target(), alert.alert_type)
return None
return alert
def _post_generic_alert(self, event):
alert = AlertGenerator(event)
if 'alerttype' in event.varmap:
alert.alert_type = event.varmap['alerttype']
is_stateless = event.state == Event.STATE_STATELESS
if is_stateless or not alert.is_event_duplicate():
self._logger.debug('Posting %s event', event.event_type)
alert.post()
else:
self._logger.info('Ignoring duplicate %s event' % event.event_type)
event.delete()
def _post_generic_alert(self, event):
alert = AlertGenerator(event)
if 'alerttype' in event.varmap:
alert.alert_type = event.varmap['alerttype']
is_stateless = event.state == Event.STATE_STATELESS
if is_stateless or not alert.is_event_duplicate():
self._logger.debug('Posting %s event', event.event_type)
alert.post()
else:
self._logger.info('Ignoring duplicate %s event' % event.event_type)
event.delete()
def _get_down_alert(self):
alert = AlertGenerator(self.event)
alert.alert_type = "linkDown"
if any((self._hold_back_alert_due_to_vlan_mismatch(),
self._hold_back_alert_due_to_redundancy_limit())):
self._logger.info(
"%s: withholding %s alert because of unmatched "
"criteria", self.get_target(), alert.alert_type)
return None
return alert
def _get_down_alert(self):
self._post_event_if_aggregate_degraded() # always verify aggregates
alert = AlertGenerator(self.event)
alert.alert_type = "linkDown"
if any(
(
self._hold_back_alert_due_to_vlan_mismatch(),
self._hold_back_alert_due_to_redundancy_limit(),
)
):
self._logger.info(
"%s: withholding %s alert because of unmatched " "criteria",
self.get_target(),
alert.alert_type,
)
return None
return alert
def _post_generic_alert(self, event):
alert = AlertGenerator(event)
if 'alerttype' in event.varmap:
alert.alert_type = event.varmap['alerttype']
is_stateless = event.state == Event.STATE_STATELESS
if is_stateless or not alert.is_event_duplicate():
if self._box_is_on_maintenance(event):
self._logger.debug('%s is on maintenance, only posting to '
'alert history for %s event',
event.netbox, event.event_type)
alert.post_alert_history()
else:
self._logger.debug('Posting %s event', event.event_type)
alert.post()
else:
self._logger.info('Ignoring duplicate %s event for %s',
event.event_type, event.netbox)
self._logger.debug('ignored alert details: %r', event)
event.delete()
def _get_up_alert(self):
alert = AlertGenerator(self.event)
alert.alert_type = "linkUp"
self._logger.info("Posting %s alert for %s", alert.alert_type,
self.get_target())
return alert
def _get_down_alert(self):
alert = AlertGenerator(self.event)
alert.alert_type = 'snmpAgentDown'
return alert
def _get_up_alert(self):
alert = AlertGenerator(self.event)
alert.alert_type = 'snmpAgentUp'
return alert
def _get_up_alert(self):
alert = AlertGenerator(self.event)
alert.alert_type = 'bgpEstablished'
return alert
def _get_up_alert(self):
alert = AlertGenerator(self.event)
is_shadow = self.event.netbox.up == self.event.netbox.UP_SHADOW
alert.alert_type = "boxSunny" if is_shadow else "boxUp"
return alert
def _get_up_alert(self):
alert = AlertGenerator(self.event)
is_shadow = self.event.netbox.up == self.event.netbox.UP_SHADOW
alert.alert_type = "boxSunny" if is_shadow else "boxUp"
return alert
