67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
# Copyright 2016 Internap.
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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 kombu
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import six
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from kombu import mixins
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from oslo_log import log
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from oslo_serialization import jsonutils
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from almanach.collector.handlers import instance_handler
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from almanach.collector.handlers import volume_handler
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LOG = log.getLogger(__name__)
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class BusAdapter(mixins.ConsumerMixin):
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def __init__(self, config, controller, connection, retry_adapter):
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super(BusAdapter, self).__init__()
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self.config = config
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self.controller = controller
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self.connection = connection
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self.retry_adapter = retry_adapter
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def on_message(self, notification, message):
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try:
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self._process_notification(notification)
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except Exception as e:
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LOG.warning('Sending notification to retry letter exchange %s', jsonutils.dumps(notification))
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LOG.exception(e)
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self.retry_adapter.publish_to_dead_letter(message)
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message.ack()
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def _process_notification(self, notification):
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if isinstance(notification, six.string_types):
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notification = jsonutils.loads(notification)
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event_type = notification.get('event_type')
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LOG.info('Received event: %s', event_type)
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instance_handler.InstanceHandler(self.controller).handle_events(event_type, notification)
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volume_handler.VolumeHandler(self.controller).handle_events(event_type, notification)
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def get_consumers(self, consumer, channel):
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queue = kombu.Queue(self.config.collector.queue, routing_key=self.config.collector.routing_key)
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return [consumer(
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[queue],
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callbacks=[self.on_message],
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auto_declare=False)]
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def run(self, _tokens=1):
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try:
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super(BusAdapter, self).run(_tokens)
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except KeyboardInterrupt:
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pass
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