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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.
"""
Routines for configuring Neutron
"""
import sys
from keystoneauth1 import loading as ks_loading
from neutron_lib.api import validators
from neutron_lib import rpc as n_rpc
from oslo_config import cfg
from oslo_log import log as logging
import oslo_messaging
from oslo_middleware import cors
from oslo_service import wsgi
from neutron._i18n import _
from neutron.conf import common as common_config
from neutron import policy
from neutron import version
LOG = logging.getLogger(__name__)
# Jam here any extra log level default you care about. This helps keep
# Neutron logs lean.
EXTRA_LOG_LEVEL_DEFAULTS = [
'OFPHandler=INFO',
'OfctlService=INFO',
'os_ken.base.app_manager=INFO',
'os_ken.controller.controller=INFO',
'ovsdbapp.backend.ovs_idl.vlog=INFO'
]
# Register the configuration options
common_config.register_core_common_config_opts()
# Ensure that the control exchange is set correctly
oslo_messaging.set_transport_defaults(control_exchange='neutron')
NOVA_CONF_SECTION = 'nova'
ks_loading.register_auth_conf_options(cfg.CONF, NOVA_CONF_SECTION)
ks_loading.register_session_conf_options(cfg.CONF, NOVA_CONF_SECTION)
# Register the nova configuration options
common_config.register_nova_opts()
ks_loading.register_auth_conf_options(cfg.CONF,
common_config.PLACEMENT_CONF_SECTION)
ks_loading.register_session_conf_options(cfg.CONF,
common_config.PLACEMENT_CONF_SECTION)
# Register the placement configuration options
common_config.register_placement_opts()
logging.register_options(cfg.CONF)
# Register the ironic configuration options
ks_loading.register_auth_conf_options(cfg.CONF,
common_config.IRONIC_CONF_SECTION)
ks_loading.register_session_conf_options(cfg.CONF,
common_config.IRONIC_CONF_SECTION)
ks_loading.register_adapter_conf_options(cfg.CONF,
common_config.IRONIC_CONF_SECTION)
common_config.register_ironic_opts()
def init(args, default_config_files=None, **kwargs):
cfg.CONF(args=args, project='neutron',
version='%%(prog)s %s' % version.version_info.release_string(),
default_config_files=default_config_files,
**kwargs)
n_rpc.init(cfg.CONF)
# Validate that the base_mac is of the correct format
msg = validators.validate_regex(cfg.CONF.base_mac, validators.MAC_PATTERN)
if msg:
msg = _("Base MAC: %s") % msg
raise Exception(msg)
def setup_logging():
"""Sets up the logging options for a log with supplied name."""
product_name = "neutron"
# We use the oslo.log default log levels and add only the extra levels
# that Neutron needs.
logging.set_defaults(default_log_levels=logging.get_default_log_levels() +
EXTRA_LOG_LEVEL_DEFAULTS)
logging.setup(cfg.CONF, product_name)
LOG.info("Logging enabled!")
LOG.info("%(prog)s version %(version)s",
{'prog': sys.argv[0],
'version': version.version_info.release_string()})
LOG.debug("command line: %s", " ".join(sys.argv))
def reset_service():
# Reset worker in case SIGHUP is called.
# Note that this is called only in case a service is running in
# daemon mode.
setup_logging()
set_config_defaults()
policy.refresh()
def load_paste_app(app_name):
"""Builds and returns a WSGI app from a paste config file.
:param app_name: Name of the application to load
"""
loader = wsgi.Loader(cfg.CONF)
# Log the values of registered opts
if cfg.CONF.debug:
cfg.CONF.log_opt_values(LOG, logging.DEBUG)
app = loader.load_app(app_name)
return app
def set_config_defaults():
"""This method updates all configuration default values."""
set_cors_middleware_defaults()
def set_cors_middleware_defaults():
"""Update default configuration options for oslo.middleware."""
cors.set_defaults(
allow_headers=['X-Auth-Token',
'X-Identity-Status',
'X-Roles',
'X-Service-Catalog',
'X-User-Id',
'X-Tenant-Id',
'X-OpenStack-Request-ID'],
expose_headers=['X-Auth-Token',
'X-Subject-Token',
'X-Service-Token',
'X-OpenStack-Request-ID',
'OpenStack-Volume-microversion'],
allow_methods=['GET',
'PUT',
'POST',
'DELETE',
'PATCH']
)
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