102 lines
3.9 KiB
Python
102 lines
3.9 KiB
Python
#
|
|
# Copyright 2013-2014 eNovance
|
|
#
|
|
# Author: Mehdi Abaakouk <mehdi.abaakouk@enovance.com>
|
|
#
|
|
# 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.
|
|
"""Rest alarm notifier."""
|
|
|
|
import eventlet
|
|
from oslo.config import cfg
|
|
from oslo.serialization import jsonutils
|
|
from oslo_context import context
|
|
import requests
|
|
import six.moves.urllib.parse as urlparse
|
|
|
|
from ceilometer.alarm import notifier
|
|
from ceilometer.i18n import _
|
|
from ceilometer.openstack.common import log
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
OPTS = [
|
|
cfg.StrOpt('rest_notifier_certificate_file',
|
|
default='',
|
|
help='SSL Client certificate for REST notifier.'
|
|
),
|
|
cfg.StrOpt('rest_notifier_certificate_key',
|
|
default='',
|
|
help='SSL Client private key for REST notifier.'
|
|
),
|
|
cfg.BoolOpt('rest_notifier_ssl_verify',
|
|
default=True,
|
|
help='Whether to verify the SSL Server certificate when '
|
|
'calling alarm action.'
|
|
),
|
|
cfg.IntOpt('rest_notifier_max_retries',
|
|
default=0,
|
|
help='Number of retries for REST notifier',
|
|
),
|
|
|
|
]
|
|
|
|
cfg.CONF.register_opts(OPTS, group="alarm")
|
|
|
|
|
|
class RestAlarmNotifier(notifier.AlarmNotifier):
|
|
"""Rest alarm notifier."""
|
|
|
|
@staticmethod
|
|
def notify(action, alarm_id, alarm_name, previous, current, reason,
|
|
reason_data, headers=None):
|
|
headers = headers or {}
|
|
if not headers.get('x-openstack-request-id'):
|
|
headers['x-openstack-request-id'] = context.generate_request_id()
|
|
|
|
LOG.info(_(
|
|
"Notifying alarm %(alarm_name)s %(alarm_id)s from "
|
|
"%(previous)s to %(current)s with action %(action)s because "
|
|
"%(reason)s. request-id: %(request_id)s ") %
|
|
({'alarm_name': alarm_name, 'alarm_id': alarm_id,
|
|
'previous': previous, 'current': current,
|
|
'action': action, 'reason': reason,
|
|
'request_id': headers['x-openstack-request-id']}))
|
|
body = {'alarm_name': alarm_name, 'alarm_id': alarm_id,
|
|
'previous': previous, 'current': current,
|
|
'reason': reason, 'reason_data': reason_data}
|
|
headers['content-type'] = 'application/json'
|
|
kwargs = {'data': jsonutils.dumps(body),
|
|
'headers': headers}
|
|
|
|
if action.scheme == 'https':
|
|
default_verify = int(cfg.CONF.alarm.rest_notifier_ssl_verify)
|
|
options = urlparse.parse_qs(action.query)
|
|
verify = bool(int(options.get('ceilometer-alarm-ssl-verify',
|
|
[default_verify])[-1]))
|
|
kwargs['verify'] = verify
|
|
|
|
cert = cfg.CONF.alarm.rest_notifier_certificate_file
|
|
key = cfg.CONF.alarm.rest_notifier_certificate_key
|
|
if cert:
|
|
kwargs['cert'] = (cert, key) if key else cert
|
|
|
|
# FIXME(rhonjo): Retries are automatically done by urllib3 in requests
|
|
# library. However, there's no interval between retries in urllib3
|
|
# implementation. It will be better to put some interval between
|
|
# retries (future work).
|
|
max_retries = cfg.CONF.alarm.rest_notifier_max_retries
|
|
session = requests.Session()
|
|
session.mount(action.geturl(),
|
|
requests.adapters.HTTPAdapter(max_retries=max_retries))
|
|
eventlet.spawn_n(session.post, action.geturl(), **kwargs)
|