cinder's rbd backend driver now uses python library

[Adam Gandelman]

The rbd cinder driver now uses the rbd and rados python libraries instead of shelling out to the rbd CLI tools. As a consequence, the driver fails on startup if the python-ceph package is not installed.

2013-06-13 22:43:12.504 23798 ERROR cinder.service [req-9dd16fe9-2f73-44b4-9a3a-a055b267c575 None None] Unhandled exception
2013-06-13 22:43:12.504 23798 TRACE cinder.service Traceback (most recent call last):
2013-06-13 22:43:12.504 23798 TRACE cinder.service File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 228, in _start_child
2013-06-13 22:43:12.504 23798 TRACE cinder.service self._child_process(wrap.server)
2013-06-13 22:43:12.504 23798 TRACE cinder.service File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 205, in _child_process
2013-06-13 22:43:12.504 23798 TRACE cinder.service launcher.run_server(server)
2013-06-13 22:43:12.504 23798 TRACE cinder.service File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 96, in run_server
2013-06-13 22:43:12.504 23798 TRACE cinder.service server.start()
2013-06-13 22:43:12.504 23798 TRACE cinder.service File "/usr/lib/python2.7/dist-packages/cinder/service.py", line 356, in start
2013-06-13 22:43:12.504 23798 TRACE cinder.service self.manager.init_host()
2013-06-13 22:43:12.504 23798 TRACE cinder.service File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", line 142, in init_host
2013-06-13 22:43:12.504 23798 TRACE cinder.service self.driver.check_for_setup_error()
2013-06-13 22:43:12.504 23798 TRACE cinder.service File "/usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py", line 149, in check_for_setup_error
2013-06-13 22:43:12.504 23798 TRACE cinder.service raise exception.VolumeBackendAPIException(data=msg)
2013-06-13 22:43:12.504 23798 TRACE cinder.service VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: rados and rbd python libraries not found
2013-06-13 22:43:12.504 23798 TRACE cinder.service

[Launchpad Janitor (janitor)]

This bug was fixed in the package cinder - 1:2013.2~b3-0ubuntu1

---------------
cinder (1:2013.2~b3-0ubuntu1) saucy; urgency=low

  [ James Page ]
  * d/control: Switch ceph-common -> python-ceph inline with upstream
    refactoring of Ceph RBD driver, move to Suggests of python-cinder.
    (LP: #1190791).

  [ Adam Gandelman ]
  * debian/patches/avoid_paramiko_vers_depends.patch: Dropped, no longer
    required.
  * Add minimum requirement python-greenlet (>= 0.3.2).
  * Add minimum requirement python-eventlet (>= 0.12.0).
  * Add minimum requirement python-paramiko (>= 1.8).

  [ Chuck Short ]
  * New upstream release.
  * debian/patches/skip-sqlachemy-failures.patch: Skip testfailures
    with sqlalchemy 0.8 until they are fixed upstream.
  * debian/control: Add python-babel to build-depends.
  * debian/control: Add python-novaclient to build-depends.
 -- Chuck Short <email address hidden> Sun, 08 Sep 2013 21:09:46 -0400