vmware-nsx/quantum/service.py
gongysh aaf0fef1ca Use openstack common log to do logging.
Bug #1073194

We use openstack common log to do logging. At the same time, we will use
quantum logger as our top logger, so that all sub loggers will be set
according to quantum.conf

Change-Id: I5adf72e6031ad437e05c3521864a83757b3e7887
2012-11-01 10:09:57 +08:00

95 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.
from quantum.common import config
from quantum.openstack.common import cfg
from quantum.openstack.common import log as logging
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