/usr/lib/python2.7/dist-packages/aodh/notifier/rest.py is in python-aodh 2.0.0-0ubuntu1.
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# Copyright 2013-2014 eNovance
#
# 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."""
from oslo_config import cfg
from oslo_context import context
from oslo_log import log
from oslo_serialization import jsonutils
import requests
import six.moves.urllib.parse as urlparse
from aodh.i18n import _
from aodh import notifier
LOG = log.getLogger(__name__)
OPTS = [
cfg.StrOpt('rest_notifier_certificate_file',
default='',
deprecated_group="alarm",
help='SSL Client certificate for REST notifier.'
),
cfg.StrOpt('rest_notifier_certificate_key',
default='',
deprecated_group="alarm",
help='SSL Client private key for REST notifier.'
),
cfg.BoolOpt('rest_notifier_ssl_verify',
default=True,
deprecated_group="alarm",
help='Whether to verify the SSL Server certificate when '
'calling alarm action.'
),
cfg.IntOpt('rest_notifier_max_retries',
default=0,
deprecated_group="alarm",
help='Number of retries for REST notifier',
),
]
class RestAlarmNotifier(notifier.AlarmNotifier):
"""Rest alarm notifier."""
def __init__(self, conf):
super(RestAlarmNotifier, self).__init__(conf)
self.conf = conf
def notify(self, action, alarm_id, alarm_name, severity, 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 with severity"
" %(severity)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,
'severity': severity, 'previous': previous,
'current': current, 'action': action, 'reason': reason,
'request_id': headers['x-openstack-request-id']}))
body = {'alarm_name': alarm_name, 'alarm_id': alarm_id,
'severity': severity, '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(self.conf.rest_notifier_ssl_verify)
options = urlparse.parse_qs(action.query)
verify = bool(int(options.get('aodh-alarm-ssl-verify',
[default_verify])[-1]))
kwargs['verify'] = verify
cert = self.conf.rest_notifier_certificate_file
key = self.conf.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 = self.conf.rest_notifier_max_retries
session = requests.Session()
session.mount(action.geturl(),
requests.adapters.HTTPAdapter(max_retries=max_retries))
session.post(action.geturl(), **kwargs)
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