Attach fails Unable to fetch connection information from backend: global name '_' is not defined

[Michael Denny]

fresh devstack
enable multiple backends
Attach HP3PARFC volume fails with following error

Unable to fetch connection information from backend: global name '_' is not defined

2014-07-22 11:33:15.539 ERROR oslo.messaging.rpc.dispatcher [req-9387c0bf-a146-45ae-ad9c-f4192da8dd37 e75d07e9dbfb43baba1b11374e18a334 d3f9c0befee64036b7
a404b5cbbbd61e] Exception during message handling: Bad or unexpected response from the storage volume backend API: Unable to fetch connection information
 from backend: global name '_' is not defined
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 134, i
n _dispatch_and_reply
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher incoming.message))
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 177, i
n _dispatch
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args)
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 123, i
n _do_dispatch
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args)
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/cinder/cinder/volume/manager.py", line 815, in initialize_connection
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher raise exception.VolumeBackendAPIException(data=err_msg)
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Un
able to fetch connection information from backend: global name '_' is not defined
2014-07-22 11:33:15.539 TRACE oslo.messaging.rpc.dispatcher
2014-07-22 11:33:15.540 ERROR oslo.messaging._drivers.common [req-9387c0bf-a146-45ae-ad9c-f4192da8dd37 e75d07e9dbfb43baba1b11374e18a334 d3f9c0befee64036b
7a404b5cbbbd61e] Returning exception Bad or unexpected response from the storage volume backend API: Unable to fetch connection information from backend:
 global name '_' is not defined to caller
2014-07-22 11:33:15.540 ERROR oslo.messaging._drivers.common [req-9387c0bf-a146-45ae-ad9c-f4192da8dd37 e75d07e9dbfb43baba1b11374e18a334 d3f9c0befee64036b
7a404b5cbbbd61e] ['Traceback (most recent call last):\n', ' File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 134, in
 _dispatch_and_reply\n incoming.message))\n', ' File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 177, in _dispatc
h\n return self._do_dispatch(endpoint, method, ctxt, args)\n', ' File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
 123, in _do_dispatch\n result = getattr(endpoint, method)(ctxt, **new_args)\n', ' File "/opt/stack/cinder/cinder/volume/manager.py", line 815, in in
itialize_connection\n raise exception.VolumeBackendAPIException(data=err_msg)\n', "VolumeBackendAPIException: Bad or unexpected response from the stor
age volume backend API: Unable to fetch connection information from backend: global name '_' is not defined\n"]

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/108866

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/108866
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=ca1e15353e09da2778a37cf1c88f6b760ddf2bbb
Submitter: Jenkins
Branch: master

commit ca1e15353e09da2778a37cf1c88f6b760ddf2bbb
Author: Jay S. Bryant <email address hidden>
Date: Tue Jul 22 18:06:29 2014 -0500

    Add explicit import of _ to hp_3par_fc and iscsi

    Messages using translation were added to the hp_3par_fc and
    hp_3par_iscsi files but an explicit import of gettextutils _ was not
    included.

    This fixes that problem.

    Change-Id: I2555860c6525a00295e823ab8c826b2bec6a3098
    Closes-Bug: 1347184