43c29716ee
LOG.exception adds traceback and exception information automatically, so we don't need to add it explicitly. Change-Id: I58ea46917b84c7d0ec72f52dfbb451fc85d2e8eb
78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
# Copyright 2017 - Nokia
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log
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import oslo_messaging
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from vitrage.common.constants import NotifierEventTypes
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from vitrage.messaging import get_transport
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LOG = log.getLogger(__name__)
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class EvaluatorNotifier(object):
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"""Allows writing to message bus"""
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def __init__(self, conf):
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self.oslo_notifiers = {}
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try:
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notifier_plugins = conf.notifiers
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LOG.debug('notifier_plugins: %s', notifier_plugins)
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if not notifier_plugins:
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LOG.info('Evaluator Notifier is disabled')
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return
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topic_prefix = \
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conf.evaluator_actions.evaluator_notification_topic_prefix
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for notifier in notifier_plugins:
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LOG.debug('Adding evaluator notifier %s', notifier)
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self.oslo_notifiers[notifier] = oslo_messaging.Notifier(
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get_transport(conf),
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driver='messagingv2',
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publisher_id='vitrage.evaluator',
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topics=[topic_prefix + '.' + notifier])
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except Exception as e:
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LOG.info('Evaluator Notifier - missing configuration %s' % str(e))
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@property
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def enabled(self):
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return len(self.oslo_notifiers) > 0
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def notify(self, execution_engine, properties):
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"""Send a message to the wanted notifier
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:param execution_engine: the external engine that should handle the
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notification and execute an action
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:param properties: Properties to be processed by the external engine
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"""
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LOG.debug('execution_engine: %s, properties: %s',
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execution_engine,
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str(properties))
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try:
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if execution_engine in self.oslo_notifiers:
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LOG.debug('Notifying %s', execution_engine)
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self.oslo_notifiers[execution_engine].info(
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{},
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NotifierEventTypes.EXECUTE_EXTERNAL_ACTION,
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properties)
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except Exception:
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LOG.exception('Cannot notify - %s.',
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NotifierEventTypes.EXECUTE_EXTERNAL_ACTION)
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