neutron/quantum/service.py
Gary Kotton 842584f3ef Remove paste configuration details to a seperate file.
blueprint use-common-cfg

In addition this ensures that the cisco extension units are working
with the common cfg code.

Change-Id: I8c1f81e295e7ed593f0b58885efeeb15339b7733
2012-06-24 01:45:27 -04:00

96 lines
2.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Nicira Networks, Inc
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
from quantum.common import config
from quantum.openstack.common import cfg
from quantum import wsgi
LOG = logging.getLogger(__name__)
class WsgiService(object):
"""Base class for WSGI based services.
For each api you define, you must also define these flags:
:<api>_listen: The address on which to listen
:<api>_listen_port: The port on which to listen
"""
def __init__(self, app_name):
self.app_name = app_name
self.wsgi_app = None
def start(self):
self.wsgi_app = _run_wsgi(self.app_name)
def wait(self):
self.wsgi_app.wait()
class QuantumApiService(WsgiService):
"""Class for quantum-api service."""
@classmethod
def create(cls):
app_name = "quantum"
# Setup logging early, supplying both the CLI options and the
# configuration mapping from the config file
# We only update the conf dict for the verbose and debug
# flags. Everything else must be set up in the conf file...
# Log the options used when starting if we're in debug mode...
config.setup_logging(cfg.CONF)
LOG.debug("*" * 80)
LOG.debug("Configuration options gathered from config file:")
LOG.debug("================================================")
items = dict([(k, v) for k, v in cfg.CONF.items()
if k not in ('__file__', 'here')])
for key, value in sorted(items.items()):
LOG.debug("%(key)-30s %(value)s" % {'key': key,
'value': value,
})
LOG.debug("*" * 80)
service = cls(app_name)
return service
def serve_wsgi(cls):
try:
service = cls.create()
except Exception:
logging.exception('in WsgiService.create()')
raise
service.start()
return service
def _run_wsgi(app_name):
app = config.load_paste_app(app_name)
if not app:
LOG.error(_('No known API applications configured.'))
return
server = wsgi.Server("Quantum")
server.start(app, cfg.CONF.bind_port, cfg.CONF.bind_host)
return server