Files
python-aodhclient/aodhclient/v2/alarm.py
Lingxian Kong 428e394e5a Support threshold type alarm again
Add threshold type alarm back. Gnocchi is not actively maintained
currently but there are still users running Ceilometer in production and
relying on Ceilometer for auditing and billing.

Change-Id: I94ea998affbdd9f5535431f3ba713e2d4662b253
2019-11-26 15:23:21 +13:00

216 lines
8.4 KiB
Python

#
# 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.
from oslo_serialization import jsonutils
from aodhclient import utils
from aodhclient.v2 import alarm_cli
from aodhclient.v2 import base
class AlarmManager(base.Manager):
url = "v2/alarms"
@staticmethod
def _filtersdict_to_url(filters):
urls = []
for k, v in sorted(filters.items()):
url = "q.field=%s&q.op=eq&q.value=%s" % (k, v)
urls.append(url)
return '&'.join(urls)
def list(self, filters=None, limit=None,
marker=None, sorts=None):
"""List alarms.
:param filters: A dict includes filters parameters, for example,
{'type': 'gnocchi_resources_threshold',
'severity': 'low'} represent filters to query alarms
with type='gnocchi_resources_threshold' and
severity='low'.
:type filters: dict
:param limit: maximum number of resources to return
:type limit: int
:param marker: the last item of the previous page; we return the next
results after this value.
:type marker: str
:param sorts: list of resource attributes to order by.
:type sorts: list of str
"""
pagination = utils.get_pagination_options(limit, marker, sorts)
filter_string = (self._filtersdict_to_url(filters) if
filters else "")
url = self.url
options = []
if filter_string:
options.append(filter_string)
if pagination:
options.append(pagination)
if options:
url += "?" + "&".join(options)
return self._get(url).json()
def query(self, query=None):
"""Query alarms.
:param query: A json format complex query expression, like this:
'{"=":{"type":"gnocchi_resources_threshold"}}', this
expression is used to query all the
gnocchi_resources_threshold type alarms.
:type query: json
"""
query = {'filter': query}
url = "v2/query/alarms"
return self._post(url,
headers={'Content-Type': "application/json"},
data=jsonutils.dumps(query)).json()
def get(self, alarm_id):
"""Get an alarm
:param alarm_id: ID of the alarm
:type alarm_id: str
"""
return self._get(self.url + '/' + alarm_id).json()
@staticmethod
def _clean_rules(alarm_type, alarm):
for rule in alarm_cli.ALARM_TYPES:
if rule != alarm_type:
alarm.pop('%s_rule' % rule, None)
def create(self, alarm):
"""Create an alarm
:param alarm: the alarm
:type alarm: dict
"""
self._clean_rules(alarm['type'], alarm)
return self._post(
self.url, headers={'Content-Type': "application/json"},
data=jsonutils.dumps(alarm)).json()
def update(self, alarm_id, alarm_update):
"""Update an alarm
:param alarm_id: ID of the alarm
:type alarm_id: str
:param attributes: Attributes of the alarm
:type attributes: dict
"""
alarm = self._get(self.url + '/' + alarm_id).json()
if 'type' not in alarm_update:
self._clean_rules(alarm['type'], alarm_update)
else:
self._clean_rules(alarm_update['type'], alarm_update)
if 'threshold_rule' in alarm_update:
alarm['threshold_rule'].update(alarm_update.get('threshold_rule'))
alarm_update.pop('threshold_rule')
elif 'event_rule' in alarm_update:
if ('type' in alarm_update and
alarm_update['type'] != alarm['type']):
alarm.pop('%s_rule' % alarm['type'], None)
alarm['event_rule'] = alarm_update['event_rule']
else:
alarm['event_rule'].update(alarm_update.get('event_rule'))
alarm_update.pop('event_rule')
elif 'gnocchi_resources_threshold_rule' in alarm_update:
if ('type' in alarm_update and
alarm_update['type'] != alarm['type']):
alarm.pop('%s_rule' % alarm['type'], None)
alarm['gnocchi_resources_threshold_rule'] = alarm_update[
'gnocchi_resources_threshold_rule']
else:
alarm['gnocchi_resources_threshold_rule'].update(
alarm_update.get('gnocchi_resources_threshold_rule'))
alarm_update.pop('gnocchi_resources_threshold_rule')
elif 'gnocchi_aggregation_by_metrics_threshold_rule' in alarm_update:
if ('type' in alarm_update and
alarm_update['type'] != alarm['type']):
alarm.pop('%s_rule' % alarm['type'], None)
alarm['gnocchi_aggregation_by_metrics_threshold_rule'] = \
alarm_update[
'gnocchi_aggregation_by_metrics_threshold_rule']
else:
alarm['gnocchi_aggregation_by_metrics_threshold_rule'].update(
alarm_update.get(
'gnocchi_aggregation_by_metrics_threshold_rule'))
alarm_update.pop('gnocchi_aggregation_by_metrics_threshold_rule')
elif 'gnocchi_aggregation_by_resources_threshold_rule' in alarm_update:
if ('type' in alarm_update and
alarm_update['type'] != alarm['type']):
alarm.pop('%s_rule' % alarm['type'], None)
alarm['gnocchi_aggregation_by_resources_threshold_rule'] = \
alarm_update[
'gnocchi_aggregation_by_resources_threshold_rule']
else:
alarm['gnocchi_aggregation_by_resources_threshold_rule'].\
update(alarm_update.get(
'gnocchi_aggregation_by_resources_threshold_rule'))
alarm_update.pop(
'gnocchi_aggregation_by_resources_threshold_rule')
elif 'composite_rule' in alarm_update:
if ('type' in alarm_update and
alarm_update['type'] != alarm['type']):
alarm.pop('%s_rule' % alarm['type'], None)
if alarm_update['composite_rule'] is not None:
alarm['composite_rule'] = alarm_update[
'composite_rule']
alarm_update.pop('composite_rule')
elif 'loadbalancer_member_health_rule' in alarm_update:
if ('type' in alarm_update and
alarm_update['type'] != alarm['type']):
alarm.pop('%s_rule' % alarm['type'], None)
if alarm_update['loadbalancer_member_health_rule'] is not None:
alarm['loadbalancer_member_health_rule'] = alarm_update[
'loadbalancer_member_health_rule']
alarm_update.pop('loadbalancer_member_health_rule')
alarm.update(alarm_update)
return self._put(
self.url + '/' + alarm_id,
headers={'Content-Type': "application/json"},
data=jsonutils.dumps(alarm)).json()
def delete(self, alarm_id):
"""Delete an alarm
:param alarm_id: ID of the alarm
:type alarm_id: str
"""
self._delete(self.url + '/' + alarm_id)
def get_state(self, alarm_id):
"""Get the state of an alarm
:param alarm_id: ID of the alarm
:type alarm_id: str
"""
return self._get(self.url + '/' + alarm_id + '/state').json()
def set_state(self, alarm_id, state):
"""Set the state of an alarm
:param alarm_id: ID of the alarm
:type alarm_id: str
:param state: the state to be updated to the alarm
:type state: str
"""
return self._put(self.url + '/' + alarm_id + '/state',
headers={'Content-Type': "application/json"},
data='"%s"' % state
).json()