neutron-vpnaas/neutron/common/legacy.py
Yong Sheng Gong aa3e64f912 modernize quantum config in proper place
Bug #1200558

At the beginning, we have not registered some configuration
items. To modernize these items, we must do it after we register
them.

Change-Id: I90d2cdbe97daa2ec0a8c8b6c9686b6f76c4de9e4
2013-07-16 23:15:17 +08:00

84 lines
2.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2013 New Dream Network, LLC (DreamHost)
# 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.
# @author Mark McClain (DreamHost)
from neutron.openstack.common import log as logging
LOG = logging.getLogger(__name__)
def scrub_class_path(cls_path):
"""Scrub from Quantum from old class_path references."""
if isinstance(cls_path, basestring):
if cls_path.startswith('quantum'):
new_path = cls_path.replace('quantum', 'neutron')
new_path = new_path.replace('Quantum', 'Neutron')
LOG.warn(
_("Old class module path in use. Please change '%(old)s' "
"to '%(new)s'."),
{'old': cls_path, 'new': new_path}
)
cls_path = new_path
return cls_path
def override_config(config, config_keys=None):
"""Attempt to override config_key with Neutron compatible values."""
for key in config_keys:
group = None
if not isinstance(key, basestring):
try:
group, key = key
old_value = getattr(getattr(config, group), key, None)
except AttributeError:
LOG.error(_('Skipping unknown group key: %s'), key)
continue
else:
old_value = getattr(config, key, None)
if not old_value:
continue
elif isinstance(old_value, list):
new_value = [scrub_class_path(v) for v in old_value]
else:
new_value = scrub_class_path(old_value)
if new_value != old_value:
config.set_override(key, new_value, group=group)
def modernize_quantum_config(config):
"""Updates keys from old Quantum configurations for Neutron."""
config_keys = [
'allowed_rpc_exception_modules',
'core_plugin',
'device_driver',
'dhcp_driver',
'driver_fqn',
'interface_driver',
'network_scheduler_driver',
'notification_driver',
'router_scheduler_driver',
'rpc_backend',
'service_plugins',
('SECURITYGROUP', 'firewall_driver'),
]
override_config(config, config_keys)