87de4d3a33
Bug #1076834 Option values are printed in two phases due to our system's starting way. Last print will print out all option values included in all config files. In the end when quantum server started, we have an indication for it. Change-Id: I4ed9952c94fe74ea946733dc3a94cb2bb2aba37c
94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Nicira Networks, Inc
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging as std_logging
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from quantum.common import config
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from quantum.openstack.common import cfg
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from quantum.openstack.common import log as logging
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from quantum import wsgi
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LOG = logging.getLogger(__name__)
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class WsgiService(object):
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"""Base class for WSGI based services.
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For each api you define, you must also define these flags:
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:<api>_listen: The address on which to listen
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:<api>_listen_port: The port on which to listen
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"""
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def __init__(self, app_name):
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self.app_name = app_name
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self.wsgi_app = None
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def start(self):
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self.wsgi_app = _run_wsgi(self.app_name)
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def wait(self):
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self.wsgi_app.wait()
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class QuantumApiService(WsgiService):
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"""Class for quantum-api service."""
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@classmethod
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def create(cls):
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app_name = "quantum"
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# Setup logging early, supplying both the CLI options and the
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# configuration mapping from the config file
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# We only update the conf dict for the verbose and debug
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# flags. Everything else must be set up in the conf file...
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# Log the options used when starting if we're in debug mode...
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config.setup_logging(cfg.CONF)
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# Dump the initial option values
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cfg.CONF.log_opt_values(LOG, std_logging.DEBUG)
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service = cls(app_name)
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return service
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def serve_wsgi(cls):
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try:
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service = cls.create()
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except Exception:
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LOG.exception('in WsgiService.create()')
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raise
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service.start()
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return service
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def _run_wsgi(app_name):
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app = config.load_paste_app(app_name)
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if not app:
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LOG.error(_('No known API applications configured.'))
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return
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server = wsgi.Server("Quantum")
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server.start(app, cfg.CONF.bind_port, cfg.CONF.bind_host)
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# Dump all option values here after all options are parsed
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cfg.CONF.log_opt_values(LOG, std_logging.DEBUG)
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LOG.info("Quantum service started, listening on %(host)s:%(port)s" %
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{'host': cfg.CONF.bind_host,
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'port': cfg.CONF.bind_port})
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return server
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