nova/nova/api/openstack/placement/wsgi.py

116 lines
3.4 KiB
Python

# 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.
"""WSGI script for Placement API
WSGI handler for running Placement API under Apache2, nginx, gunicorn etc.
"""
import logging as py_logging
import os
import os.path
from oslo_log import log as logging
from oslo_middleware import cors
from oslo_policy import opts as policy_opts
from oslo_utils import importutils
import pbr.version
from nova.api.openstack.placement import db_api
from nova.api.openstack.placement import deploy
from nova import conf
profiler = importutils.try_import('osprofiler.opts')
CONFIG_FILE = 'nova.conf'
version_info = pbr.version.VersionInfo('nova')
def setup_logging(config):
# Any dependent libraries that have unhelp debug levels should be
# pinned to a higher default.
extra_log_level_defaults = [
'routes=INFO',
]
logging.set_defaults(default_log_levels=logging.get_default_log_levels() +
extra_log_level_defaults)
logging.setup(config, 'nova')
py_logging.captureWarnings(True)
def _get_config_file(env=None):
if env is None:
env = os.environ
dirname = env.get('OS_PLACEMENT_CONFIG_DIR', '/etc/nova').strip()
return os.path.join(dirname, CONFIG_FILE)
def _parse_args(argv, default_config_files):
logging.register_options(conf.CONF)
if profiler:
profiler.set_defaults(conf.CONF)
_set_middleware_defaults()
# This is needed so we can check [oslo_policy]/enforce_scope in the
# deploy module.
policy_opts.set_defaults(conf.CONF)
conf.CONF(argv[1:], project='nova', version=version_info.version_string(),
default_config_files=default_config_files)
def _set_middleware_defaults():
"""Update default configuration options for oslo.middleware."""
cors.set_defaults(
allow_headers=['X-Auth-Token',
'X-Openstack-Request-Id',
'X-Identity-Status',
'X-Roles',
'X-Service-Catalog',
'X-User-Id',
'X-Tenant-Id'],
expose_headers=['X-Auth-Token',
'X-Openstack-Request-Id',
'X-Subject-Token',
'X-Service-Token'],
allow_methods=['GET',
'PUT',
'POST',
'DELETE',
'PATCH']
)
def init_application():
# initialize the config system
conffile = _get_config_file()
_parse_args([], default_config_files=[conffile])
db_api.configure(conf.CONF)
# initialize the logging system
setup_logging(conf.CONF)
# dump conf at debug if log_options
if conf.CONF.log_options:
conf.CONF.log_opt_values(
logging.getLogger(__name__),
logging.DEBUG)
# build and return our WSGI app
return deploy.loadapp(conf.CONF)