82 lines
2.1 KiB
Python
82 lines
2.1 KiB
Python
# Copyright 2018 - Extreme Networks, Inc.
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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 abc
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import six
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from oslo_log import log as logging
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from stevedore import driver
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LOG = logging.getLogger(__name__)
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_NOTIFIERS = {}
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_NOTIFICATION_PUBLISHERS = {}
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def cleanup():
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global _NOTIFIERS
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global _NOTIFICATION_PUBLISHERS
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_NOTIFIERS = {}
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_NOTIFICATION_PUBLISHERS = {}
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def get_notifier(notifier_name):
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global _NOTIFIERS
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if not _NOTIFIERS.get(notifier_name):
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mgr = driver.DriverManager(
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'mistral.notifiers',
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notifier_name,
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invoke_on_load=True
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)
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_NOTIFIERS[notifier_name] = mgr.driver
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return _NOTIFIERS[notifier_name]
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def get_notification_publisher(publisher_name):
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global _NOTIFICATION_PUBLISHERS
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if not _NOTIFICATION_PUBLISHERS.get(publisher_name):
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mgr = driver.DriverManager(
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'mistral.notification.publishers',
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publisher_name,
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invoke_on_load=True
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)
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_NOTIFICATION_PUBLISHERS[publisher_name] = mgr.driver
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return _NOTIFICATION_PUBLISHERS[publisher_name]
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@six.add_metaclass(abc.ABCMeta)
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class Notifier(object):
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"""Notifier interface."""
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@abc.abstractmethod
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def notify(self, ex_id, data, event, timestamp, **kwargs):
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raise NotImplementedError()
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@six.add_metaclass(abc.ABCMeta)
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class NotificationPublisher(object):
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"""Notifier plugin interface."""
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@abc.abstractmethod
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def publish(self, ctx, ex_id, data, event, timestamp, **kwargs):
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raise NotImplementedError()
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