ValueError: zero length field name in format

[Anastasia Palkina]

"release": "3.2.1",
"nailgun_sha": "8f4d3479646d7d6e21c997cc586f3943cbdbbd47",
"ostf_sha": "c70535553616d3c2f8b0bccced54361c06f76f97",
"astute_sha": "df6ddea3abc93fbe1cab9b4534d4d5e9508c95d6",
"fuellib_sha": "651f943cdac9d2084000f405125d11f1a99bd22b"

1. Create new environment (CentOS, HA mode)
2. Choose Ceph for storage
3. Add 3 nodes with role controller+cinder+ceph, 1 node with role compute
4. Start deployment
5. Deployment has failed with error: zero length field name in format

Traceback in Web backend logs:
(manager) Traceback (most recent call last):
  File "/opt/nailgun/lib/python2.6/site-packages/nailgun/task/manager.py", line 45, in _call_silently
    return method(task, *args, **kwargs)
  File "/opt/nailgun/lib/python2.6/site-packages/nailgun/task/task.py", line 417, in execute
    cls.__check_volumes(task)
  File "/opt/nailgun/lib/python2.6/site-packages/nailgun/task/task.py", line 451, in __check_volumes
    node.volume_manager.check_volume_sizes_for_deployment()
  File "/opt/nailgun/lib/python2.6/site-packages/nailgun/volumes/manager.py", line 909, in check_volume_sizes_for_deployment
    for v in vg_errors]
ValueError: zero length field name in format

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: 3.2-fixes
Review: https://review.openstack.org/57516

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/57516
Committed: http://github.com/stackforge/fuel-web/commit/26dddea2c1e5ff1a60e06fc337dbf30426515e4f
Submitter: Jenkins
Branch: 3.2-fixes

commit 26dddea2c1e5ff1a60e06fc337dbf30426515e4f
Author: Ryan Moe <email address hidden>
Date: Wed Nov 20 11:21:07 2013 -0800

    Add positional argument specifiers to format string

    Positional specifiers are required in Python versions < 2.7

    Change-Id: I6c80efd90feef9a269f1eea8322b05bc1e107133
    Closes-Bug: #1253025