b2fbda189f
Added a new retry scheduler Oslo Server that executes the Oslo periodic task process. This process invokes a retry method on a configured periodic schedule. This process can in turn enqueue RPC tasks via the same client interface that the API nodes use. Follow-on CRs will utilize this periodic process to enqueue RPC tasks. Implements: blueprint add-worker-retry-update-support Change-Id: I8ba6dc57b015be16c78eef3ba949f336c60817f3
71 lines
2.1 KiB
Python
Executable File
71 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2015 Rackspace, 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
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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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"""
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Barbican worker server, running a periodic retry/scheduler process.
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"""
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import eventlet
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import os
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import sys
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# Oslo messaging RPC server uses eventlet.
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eventlet.monkey_patch()
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# 'Borrowed' from the Glance project:
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# If ../barbican/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(possible_topdir, 'barbican', '__init__.py')):
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sys.path.insert(0, possible_topdir)
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from barbican.common import config
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from barbican.openstack.common import service
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from barbican import queue
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from barbican.queue import retry_scheduler
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from oslo_config import cfg
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from oslo_log import log
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def fail(returncode, e):
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sys.stderr.write("ERROR: {0}\n".format(e))
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sys.exit(returncode)
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if __name__ == '__main__':
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try:
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config.parse_args()
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CONF = cfg.CONF
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# Import and configure logging.
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log.setup(CONF, 'barbican-retry-scheduler')
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LOG = log.getLogger(__name__)
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LOG.debug("Booting up Barbican worker retry/scheduler node...")
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# Queuing initialization (as a client only).
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queue.init(CONF, is_server_side=False)
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service.launch(
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retry_scheduler.PeriodicServer()
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).wait()
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except RuntimeError as e:
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fail(1, e)
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