fail to override the legacy option

[yong sheng gong]

2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy Traceback (most recent call last):
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy File "/mnt/data/gongysh/git/neutron/neutron/common/legacy.py", line 49, in override_config
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy old_value = getattr(getattr(config, group), key, None)
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1291, in __getattr__
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy return self._get(name)
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1613, in _get
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy value = self._substitute(self._do_get(name, group))
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1629, in _do_get
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy info = self._get_opt_info(name, group)
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1729, in _get_opt_info
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy raise NoSuchOptError(opt_name, group)
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy NoSuchOptError: no such option: QUOTAS
2013-07-12 17:39:36.790 6499 TRACE neutron.common.legacy
2013-07-12 17:39:36.790 6499 ERROR neutron.common.legacy [-] Skipping unknown group key: quota_driver

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/36931

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/36931
Committed: http://github.com/openstack/neutron/commit/aa3e64f9125e4c41de90213b75b2826bfd663527
Submitter: Jenkins
Branch: master

commit aa3e64f9125e4c41de90213b75b2826bfd663527
Author: Yong Sheng Gong <email address hidden>
Date: Sat Jul 13 16:11:08 2013 +0800

    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