This looks like a bug in a rackspaces third party plugin (https://github.com/rackerlabs/os_diskconfig_python_novaclient_ext/blob/master/os_diskconfig_python_novaclient_ext/__init__.py) that we do not support upstream. I had no idea that it existed until two minutes ago.
** Changed in: nova Status: New => Invalid -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1285308 Title: commit da11e62216ffb219bcfe30fc647a49ebbb403bb3 in the python- novaclient repo removes the add_arg function from the utils module, which breaks os_diskconfig_python_novaclient_ext Status in OpenStack Compute (Nova): Invalid Bug description: It appears that removing the add_arg function from utils module breaks components that depend on it, such as os-diskconfig-python-novaclient- ext To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1285308/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp