51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
# Copyright 2015 Huawei Technologies Co., Ltd.
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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
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# 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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import oslo_messaging
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from tricircle.common import rpc
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from tricircle.common import topics
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LOG = logging.getLogger(__name__)
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class CascadingSiteNotifyAPI(object):
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"""API for to notify Cascading service for the site API."""
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def __init__(self, topic=topics.CASCADING_SERVICE):
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target = oslo_messaging.Target(topic=topic,
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exchange="tricircle",
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namespace="site",
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version='1.0',
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fanout=True)
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self.client = rpc.create_client(target)
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def _cast_message(self, context, method, payload):
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"""Cast the payload to the running cascading service instances."""
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cctx = self.client.prepare()
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LOG.debug('Fanout notify at %(topic)s.%(namespace)s the message '
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'%(method)s for CascadingSite. payload: %(payload)s',
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{'topic': cctx.target.topic,
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'namespace': cctx.target.namespace,
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'payload': payload,
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'method': method})
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cctx.cast(context, method, payload=payload)
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def create_site(self, context, site_name):
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self._cast_message(context, "create_site", site_name)
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