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Hello,

problem solved !

I had to put :

rbd_user = glance

into /etc/cinder/cinder.conf. That's why we've got an exception throwed by
/usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py :

self.user = encodeutils.safe_encode(user)





2015-05-05 12:01 GMT+02:00 Maxime Aubry <m.aubry at hexanet.fr>:

> Hello
>
> we are facing some difficulties when we try to backup a volume stored in a
> RBD backend to a swift container (we have the same issue with ceph rbd
> backup backend).
>
> We have googled but it seems that nobody ahs this issue. I hope I could be
> more lucky here ;)
>
> here is the log :
>
> TE_USER,NO_ENGINE_SUBSTITUTION _check_effective_sql_mode
> /usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/session.py:514
> 2015-05-05 11:34:58.329 14048: DEBUG cinder.volume.drivers.rbd
> [req-27352642-0b71-49d5-b38b-e7d3cfa7d8ec 4bd09b121e2043e48d7f89cd6ee6eb47
> 8725df8f38e54f409d2fd1a6de2fac8c - - -] opening connection to ceph cluster
> (timeout=-1). _connect_to_rados
> /usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py:300
> *2015-05-05 11:34:58.475 14048: ERROR oslo_messaging.rpc.dispatcher
> [req-27352642-0b71-49d5-b38b-e7d3cfa7d8ec 4bd09b121e2043e48d7f89cd6ee6eb47
> 8725df8f38e54f409d2fd1a6de2fac8c - - -] Exception during message handling:
> <type 'NoneType'> can't be encoded*
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> Traceback (most recent call last):
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py",
> line 142, in _dispatch_and_reply
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> executor_callback))
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py",
> line 186, in _dispatch
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> executor_callback)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py",
> line 130, in _do_dispatch
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> result = func(ctxt, **new_args)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 105, in
> wrapper
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> return f(*args, **kwargs)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/lib/python2.7/dist-packages/cinder/backup/manager.py", line 301, in
> create_backup
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> 'fail_reason': six.text_type(err)})
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 85,
> in __exit__
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> six.reraise(self.type_, self.value, self.tb)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/lib/python2.7/dist-packages/cinder/backup/manager.py", line 294, in
> create_backup
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> backup_service)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 105, in
> wrapper
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> return f(*args, **kwargs)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py", line 897,
> in backup_volume
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> self.configuration.rbd_ceph_conf)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py", line 94,
> in __init__
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> self.user = encodeutils.safe_encode(user)
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher   File
> "/usr/local/lib/python2.7/dist-packages/oslo_utils/encodeutils.py", line
> 76, in safe_encode
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> raise TypeError("%s can't be encoded" % type(text))
> 2015-05-05 11:34:58.475 14048: TRACE oslo_messaging.rpc.dispatcher
> TypeError: *<type 'NoneType'> can't be encoded*
> 2015-05-05 11:34:58.475 14048 TRACE oslo_messaging.rpc.dispatcher
>
> Has anyone faced this problem ?
>
> Thanks !
>
> --
> ---
> Maxime Aubry
> Service Hébergement
> Hexanet
>



-- 
---
Maxime Aubry
Service Hébergement
Hexanet

-- 

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