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#
# Copyright 2013 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
import requests
import six.moves.urllib.parse as urlparse
from oslo.config import cfg
from ceilometer.alarm import notifier
from ceilometer.openstack.common.gettextutils import _
from ceilometer.openstack.common import jsonutils
from ceilometer.openstack.common import log
LOG = log.getLogger(__name__)
REST_NOTIFIER_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.CONF.register_opts(REST_NOTIFIER_OPTS, group="alarm")
class RestAlarmNotifier(notifier.AlarmNotifier):
"""Rest alarm notifier."""
@staticmethod
def notify(action, alarm_id, previous, current, reason, reason_data,
headers=None):
LOG.info(_(
"Notifying alarm %(alarm_id)s from %(previous)s "
"to %(current)s with action %(action)s because "
"%(reason)s") % ({'alarm_id': alarm_id, 'previous': previous,
'current': current, 'action': action,
'reason': reason}))
body = {'alarm_id': alarm_id, 'previous': previous,
'current': current, 'reason': reason,
'reason_data': reason_data}
kwargs = {'data': jsonutils.dumps(body)}
if headers:
kwargs['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
eventlet.spawn_n(requests.post, action.geturl(), **kwargs)
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