94 lines
2.9 KiB
Python
94 lines
2.9 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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from oslo_log import log as logging
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from mistral import config as cfg
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from mistral.notifiers import default_notifier as notif
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from mistral.rpc import base as rpc
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from mistral.service import base as service_base
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from mistral import utils
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from mistral.utils import profiler as profiler_utils
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LOG = logging.getLogger(__name__)
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class NotificationServer(service_base.MistralService):
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def __init__(self, notifier, setup_profiler=True):
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super(NotificationServer, self).__init__(
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'notifier_group',
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setup_profiler
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)
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self.notifier = notifier
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self._rpc_server = None
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def start(self):
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super(NotificationServer, self).start()
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if self._setup_profiler:
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profiler_utils.setup('mistral-notifier', cfg.CONF.notifier.host)
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# Initialize and start RPC server.
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self._rpc_server = rpc.get_rpc_server_driver()(cfg.CONF.notifier)
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self._rpc_server.register_endpoint(self)
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self._rpc_server.run(executor='threading')
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self._notify_started('Notification server started.')
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def stop(self, graceful=False):
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super(NotificationServer, self).stop(graceful)
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if self._rpc_server:
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self._rpc_server.stop(graceful)
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def notify(self, rpc_ctx, ex_id, data, event, timestamp, publishers):
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"""Receives calls over RPC to notify on notification server.
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:param rpc_ctx: RPC request context dictionary.
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:param ex_id: Workflow, task, or action execution id.
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:param data: Dictionary to include in the notification message.
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:param event: Event being notified on.
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:param timestamp: Datetime when this event occurred.
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:param publishers: The list of publishers to send the notification.
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"""
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LOG.info(
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"Received RPC request 'notify'[ex_id=%s, event=%s, "
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"timestamp=%s, data=%s, publishers=%s]",
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ex_id,
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event,
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timestamp,
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data,
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utils.cut(publishers)
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)
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self.notifier.notify(
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ex_id,
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data,
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event,
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timestamp,
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publishers
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)
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def get_oslo_service(setup_profiler=True):
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return NotificationServer(
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notif.DefaultNotifier(),
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setup_profiler=setup_profiler
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)
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