Source code for aodh.api.controllers.v2.alarm_rules.event
#
# Copyright 2015 NEC Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import wsme
from wsme import types as wtypes
from aodh.api.controllers.v2 import base
from aodh.i18n import _
[docs]class AlarmEventRule(base.AlarmRule):
"""Alarm Event Rule.
Describe when to trigger the alarm based on an event
"""
event_type = wsme.wsattr(wtypes.text)
"The type of event (default is '*')"
query = wsme.wsattr([base.Query])
"The query to find the event (default is [])"
def __init__(self, event_type=None, query=None):
event_type = event_type or '*'
query = [base.Query(**q) for q in query or []]
super(AlarmEventRule, self).__init__(event_type=event_type,
query=query)
@classmethod
[docs] def validate_alarm(cls, alarm):
for i in alarm.event_rule.query:
i._get_value_as_type()
@property
def default_description(self):
return _('Alarm when %s event occurred.') % self.event_type
[docs] def as_dict(self):
rule = self.as_dict_from_keys(['event_type'])
rule['query'] = [q.as_dict() for q in self.query]
return rule
@classmethod
[docs] def sample(cls):
return cls(event_type='compute.instance.update',
query=[{'field': 'traits.instance_id"',
'value': '153462d0-a9b8-4b5b-8175-9e4b05e9b856',
'op': 'eq',
'type': 'string'}])