def base(self, device=None, netbox=None, subid='', varmap=None, alert_type=None):
"""Creates and returns an event base template
:param device: A nav.models.manage.Device object or primary key.
:param netbox: A nav.models.manage.Netbox object or primary key.
:param subid: A subid string, if applicable.
:param varmap: A dictionary of arbitrary event variables to attach.
:param alert_type: An option alert type hint for eventEngine; useful
for cases where eventEngine has no specific plugin.
:return:
"""
event = EventQueue()
event.source_id = self.source
event.target_id = self.target
event.event_type_id = self.event_type
if isinstance(device, int):
event.device_id = device
else:
event.device = device
if isinstance(netbox, int):
event.netbox_id = netbox
else:
event.netbox = netbox
event.subid = str(subid)
var = dict(varmap or {})
if alert_type:
var['alerttype'] = alert_type
event.varmap = var
return event
def _make_modulestate_event(cls, django_module):
event = Event()
event.source_id = 'ipdevpoll'
event.target_id = 'eventEngine'
event.device = django_module.device
event.netbox = django_module.netbox
event.subid = unicode(django_module.id)
event.event_type_id = 'moduleState'
return event
def _make_modulestate_event(cls, django_module):
event = Event()
event.source_id = 'ipdevpoll'
event.target_id = 'eventEngine'
event.device = django_module.device
event.netbox = django_module.netbox
event.subid = unicode(django_module.id)
event.event_type_id = 'moduleState'
return event
def send_event(interface, event_spec, send=True):
"""Send a linkState event for a given interface"""
event = Event(**DEFAULT_KWARGS)
event.netbox = interface.netbox
event.subid = interface.pk
event.state = Event.STATE_END if event_spec == 'up' else Event.STATE_START
print("{type} {state} event for {subject}".format(
type=event.event_type_id,
state="start" if event.state == Event.STATE_START else "end",
subject=event.get_subject()))
if send:
event.save()
def _make_linkstate_event(self, start=True):
django_ifc = self.get_existing_model()
event = Event()
event.source_id = 'ipdevpoll'
event.target_id = 'eventEngine'
event.netbox_id = self.netbox.id
event.device = django_ifc.netbox.device
event.subid = self.id
event.event_type_id = 'linkState'
event.state = event.STATE_START if start else event.STATE_END
event.save()
EventVar(event_queue=event, variable='alerttype',
value='linkDown' if start else 'linkUp').save()
EventVar(event_queue=event, variable='interface',
value=self.ifname).save()
EventVar(event_queue=event, variable='ifalias',
value=django_ifc.ifalias or '').save()
def create_event(subject, state, value, taskid=None):
"""
Adds events to the EventQueue that starts or ends maintenance tasks based
on a given subject and state.
"""
target = 'eventEngine'
subsystem = 'maintenance'
source = subsystem
severity = 50
eventtype = 'maintenanceState'
event = Event(state=state, value=value, severity=severity)
varmap = {}
event.event_type_id = eventtype
event.target_id = target
event.source_id = source
if isinstance(subject, manage.Netbox):
event.netbox = subject
event.device = subject.device
varmap['netbox'] = subject.sysname
elif isinstance(subject, service.Service):
event.subid = subject.id
event.netbox = subject.netbox
event.device = subject.netbox.device
varmap['service'] = subject.handler
varmap['servicename'] = subject.handler
if taskid:
varmap['maint_taskid'] = taskid
event.save()
event.varmap = varmap
_logger.debug("Event posted: %r", event)
def _get_aggregate_link_event(self, start):
target = self.get_target()
aggregator = target.get_aggregator()
event = Event()
event.source_id = event.target_id = 'eventEngine'
event.netbox_id = aggregator.netbox_id
event.subid = aggregator.id
event.event_type_id = 'aggregateLinkState'
event.state = event.STATE_START if start else event.STATE_END
event.save()
EventVar(event_queue=event,
variable='alerttype',
value='linkDegraded' if start else 'linkRestored').save()
EventVar(event_queue=event, variable='aggregate',
value=target.id).save()
EventVar(event_queue=event,
variable='aggregate_ifname',
value=target.ifname).save()
EventVar(event_queue=event,
variable='aggregate_ifalias',
value=target.ifalias or '').save()