deb-glare/glare/notification.py

67 lines
2.2 KiB
Python

# Copyright (c) 2016 Mirantis, Inc.
#
# 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_config import cfg
from oslo_log import log as logging
import oslo_messaging
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
notifier_opts = [
cfg.StrOpt('glare_publisher_id', default="artifact.localhost",
help='Default publisher_id for outgoing '
'Glare notifications.')]
CONF.register_opts(notifier_opts)
def get_transport():
return oslo_messaging.get_notification_transport(CONF)
def set_defaults(control_exchange='glare'):
oslo_messaging.set_transport_defaults(control_exchange)
class Notifier(object):
"""Simple interface to receive Glare notifier."""
SERVICE_NAME = 'artifact'
GLARE_NOTIFIER = None
@classmethod
def _get_notifier(cls):
if cls.GLARE_NOTIFIER is None:
cls.GLARE_NOTIFIER = oslo_messaging.Notifier(
get_transport(),
publisher_id=CONF.glare_publisher_id)
return cls.GLARE_NOTIFIER
@classmethod
def notify(cls, context, event_type, body, level='INFO'):
"""Notify Glare listeners with some useful info.
:param context: User request context
:param event_type: type of event
:param body: notification payload
:param level: notification level ("INFO", "WARN", "ERROR", etc)
"""
af_notifier = cls._get_notifier()
method = getattr(af_notifier, level.lower())
method({}, "%s.%s" % (cls.SERVICE_NAME, event_type),
body.to_notification())
LOG.debug('Notification event %(event)s send successfully for '
'request %(request)s', {'event': event_type,
'request': context.request_id})