OpenStack Networking (Neutron)
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# Copyright 2011 VMware, 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.
# If ../neutron/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
import os
import sys
from oslo_config import cfg
from neutron._i18n import _
from neutron.common import config
from neutron.common import profiler
# NOTE(annp): These environment variables are required for deploying
# neutron-api under mod_wsgi. Currently, these variables are set as DevStack's
# default. If you intend to use other tools for deploying neutron-api under
# mod_wsgi, you should export these variables with your values.
NEUTRON_CONF = 'neutron.conf'
NEUTRON_CONF_DIR = '/etc/neutron/'
NEUTRON_PLUGIN_CONF = 'plugins/ml2/ml2_conf.ini'
def _get_config_files(env=None):
if env is None:
env = os.environ
dirname = env.get('OS_NEUTRON_CONFIG_DIR', NEUTRON_CONF_DIR).strip()
files = [s.strip() for s in
env.get('OS_NEUTRON_CONFIG_FILES', '').split(';') if s.strip()]
if not files:
files = [NEUTRON_CONF, NEUTRON_PLUGIN_CONF]
return [os.path.join(dirname, fname) for fname in files]
def _init_configuration():
# the configuration will be read into the cfg.CONF global data structure
conf_files = _get_config_files()
config.init(sys.argv[1:], default_config_files=conf_files)
config.setup_logging()
config.set_config_defaults()
if not cfg.CONF.config_file:
sys.exit(_("ERROR: Unable to find configuration file via the default"
" search paths (~/.neutron/, ~/, /etc/neutron/, /etc/) and"
" the '--config-file' option!"))
def boot_server(server_func):
_init_configuration()
try:
server_func()
except KeyboardInterrupt:
pass
except RuntimeError as e:
sys.exit(_("ERROR: %s") % e)
def get_application():
_init_configuration()
profiler.setup('neutron-server', cfg.CONF.host)
return config.load_paste_app('neutron')