84 lines
3.1 KiB
Python
84 lines
3.1 KiB
Python
# Copyright(c) 2016 Nippon Telegraph and Telephone Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import eventlet
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from keystoneauth1 import loading as ks_loading
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from openstack import connection
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from openstack import exceptions
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from oslo_log import log as oslo_logging
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import masakarimonitors.conf
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LOG = oslo_logging.getLogger(__name__)
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CONF = masakarimonitors.conf.CONF
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class SendNotification(object):
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def _make_client(self):
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auth = ks_loading.load_auth_from_conf_options(CONF, 'api')
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session = ks_loading.load_session_from_conf_options(CONF, 'api',
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auth=auth)
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conn = connection.Connection(session=session,
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interface=CONF.api.api_interface,
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region_name=CONF.api.region)
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return conn.instance_ha
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def send_notification(self, api_retry_max, api_retry_interval, event):
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"""Send a notification.
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This method sends a notification to the masakari-api.
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:param api_retry_max: Number of retries when the notification
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processing is error.
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:param api_retry_interval: Trial interval of time of the notification
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processing is error.
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:param event: dictionary of event that included in notification.
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"""
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LOG.info("Send a notification. %s", event)
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# Get client.
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client = self._make_client()
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# Send a notification.
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retry_count = 0
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while True:
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try:
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response = client.create_notification(
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type=event['notification']['type'],
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hostname=event['notification']['hostname'],
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generated_time=event['notification']['generated_time'],
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payload=event['notification']['payload'])
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LOG.info("Response: %s", response)
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break
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except Exception as e:
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if isinstance(e, exceptions.HttpException):
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if e.status_code == 409:
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msg = ("Stop retrying to send a notification because "
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"same notification have been already sent.")
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LOG.info("%s", msg)
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break
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if retry_count < api_retry_max:
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LOG.warning("Retry sending a notification. (%s)", e)
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retry_count = retry_count + 1
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eventlet.greenthread.sleep(api_retry_interval)
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else:
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LOG.exception("Exception caught: %s", e)
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break
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