def from_action(self,
action: str,
text: str = '',
timeout: int = None) -> 'Alert':
self.timeout = timeout or current_app.config['ALERT_TIMEOUT']
previous_status = db.get_status(self)
severity, status = alarm_model.transition(
previous_severity=self.previous_severity,
current_severity=self.severity,
previous_status=previous_status,
current_status=self.status,
action=action)
history = History(id=self.id,
event=self.event,
severity=self.severity
if self.previous_severity != self.severity else None,
status=self.status,
text=text,
change_type='action',
update_time=datetime.utcnow())
return Alert.from_db(
db.set_alert(self.id, severity, status, self.tags, self.attributes,
timeout, history))
def update(self) -> 'Alert':
now = datetime.utcnow()
self.previous_severity = db.get_severity(self)
previous_status = db.get_status(self)
self.trend_indication = alarm_model.trend(self.previous_severity,
self.severity)
_, new_status = alarm_model.transition(
previous_severity=self.previous_severity,
current_severity=self.severity,
previous_status=previous_status,
current_status=self.status)
self.duplicate_count = 0
self.repeat = False
self.receive_time = now
self.last_receive_id = self.id
self.last_receive_time = now
history = [
History(id=self.id,
event=self.event,
severity=self.severity,
value=self.value,
text=self.text,
change_type='severity',
update_time=self.create_time)
]
if new_status != previous_status:
history_text = 'correlated alert status change'
history.append(
History(id=self.id,
event=self.event,
status=new_status,
text=history_text,
change_type='status',
update_time=self.create_time))
status_change_hook.send(self, status=new_status, text=history_text)
self.status = new_status
return Alert.from_db(db.correlate_alert(self, history))
def update(self):
now = datetime.utcnow()
self.previous_severity = db.get_severity(self)
previous_status = db.get_status(self)
self.trend_indication = severity.trend(self.previous_severity, self.severity)
self.status = status_code.status_from_severity(
previous_severity=self.previous_severity,
current_severity=self.severity,
previous_status=previous_status,
current_status=self.status
)
self.duplicate_count = 0
self.repeat = False
self.receive_time = now
self.last_receive_id = self.id
self.last_receive_time = now
history = [History(
id=self.id,
event=self.event,
severity=self.severity,
value=self.value,
text=self.text,
change_type="severity",
update_time=self.create_time
)]
if self.status != previous_status:
history.append(History(
id=self.id,
event=self.event,
status=self.status,
text="correlated alert status change",
change_type="status",
update_time=self.create_time
))
return Alert.from_db(db.correlate_alert(self, history))
def deduplicate(self):
now = datetime.utcnow()
previous_status = db.get_status(self)
if self.status == status_code.UNKNOWN or self.status == previous_status:
self.status = status_code.status_from_severity(
self.severity, self.severity, previous_status)
self.repeat = True
self.last_receive_id = self.id
self.last_receive_time = now
if self.status != previous_status:
history = History(id=self.id,
event=self.event,
status=self.status,
text="duplicate alert status change",
change_type="status",
update_time=now)
else:
history = None
return Alert.from_db(db.dedup_alert(self, history))
def from_action(self,
action: str,
text: str = '',
timeout: int = None) -> 'Alert':
self.timeout = timeout or current_app.config['ALERT_TIMEOUT']
previous_status = db.get_status(self)
new_severity, new_status = alarm_model.transition(
previous_severity=self.previous_severity,
current_severity=self.severity,
previous_status=previous_status,
current_status=self.status,
action=action)
history = []
if new_severity != self.previous_severity:
history.append(
History(id=self.id,
event=self.event,
severity=new_severity,
text=text,
change_type='action',
update_time=datetime.utcnow()))
if new_status != previous_status:
history_text = 'alert status change from action'
history.append(
History(id=self.id,
event=self.event,
status=new_status,
text=history_text,
change_type='action',
update_time=datetime.utcnow()))
status_change_hook.send(self, status=new_status, text=history_text)
return Alert.from_db(
db.set_alert(self.id, new_severity, new_status, self.tags,
self.attributes, timeout, history))
def deduplicate(self):
now = datetime.utcnow()
previous_status = db.get_status(self)
if self.status == status_code.UNKNOWN or self.status == previous_status:
self.status = status_code.status_from_severity(self.severity, self.severity, previous_status)
self.repeat = True
self.last_receive_id = self.id
self.last_receive_time = now
if self.status != previous_status:
history = History(
id=self.id,
event=self.event,
status=self.status,
text="duplicate alert status change",
change_type="status",
update_time=now
)
else:
history = None
return Alert.from_db(db.dedup_alert(self, history))
def update(self):
now = datetime.utcnow()
self.previous_severity = db.get_severity(self)
previous_status = db.get_status(self)
self.trend_indication = severity.trend(self.previous_severity, self.severity)
if self.status == status_code.UNKNOWN:
self.status = status_code.status_from_severity(self.previous_severity, self.severity, previous_status)
self.duplicate_count = 0
self.repeat = False
self.receive_time = now
self.last_receive_id = self.id
self.last_receive_time = now
history = [History(
id=self.id,
event=self.event,
severity=self.severity,
value=self.value,
text=self.text,
change_type="severity",
update_time=now
)]
if self.status != previous_status:
history.append(History(
id=self.id,
event=self.event,
status=self.status,
text="correlated alert status change",
change_type="status",
update_time=now
))
return Alert.from_db(db.correlate_alert(self, history))