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[Erno Kuvaja <jokke@xxxxxx>]

Actually the bindings need is clearly documented here:
http://docs.openstack.org/developer/glance/configuring.html#configuring-
the-rbd-storage-backend

I do not see point to keep this bug open.

** Changed in: glance
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1338485

Title:
  Glance fail to alert when rados packages are not installed

Status in OpenStack Image Registry and Delivery Service (Glance):
  Invalid

Bug description:
  Description of problem:
  When the Glance is configure to work with rbd backend (Ceph) & the Rados packages (python-ceph) are not installed the Error that the Glance's logs show is: 

  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils Traceback (most recent call last):
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils   File "/usr/lib/python2.7/site-packages/glance/api/v1/upload_utils.py", line 99, in upload_data_to_store
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils     store)
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils   File "/usr/lib/python2.7/site-packages/glance/store/__init__.py", line 380, in store_add_to_backend
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils     (location, size, checksum, metadata) = store.add(image_id, data, size)
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils   File "/usr/lib/python2.7/site-packages/glance/store/rbd.py", line 319, in add
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils     with rados.Rados(conffile=self.conf_file, rados_id=self.user) as conn:
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils AttributeError: 'NoneType' object has no attribute 'Rados'
  2014-07-07 11:28:27.982 2222 TRACE glance.api.v1.upload_utils 

  Instead of catching an import error, the Glance should fail on the
  count of lack of Rados packages.

  
  Version-Release number of selected component (if applicable):
  python-glance-2014.1-4.el7ost.noarch
  python-glanceclient-0.12.0-1.el7ost.noarch
  openstack-glance-2014.1-4.el7ost.noarch

  
  How reproducible:
  100%

  Steps to Reproduce:
  1. Configure the glance to work with rbd backend (see http://ceph.com/docs/master/rbd/rbd-openstack/?highlight=openstack). without installing the python-ceph packages.
  2. try to create a new image.

  
  Actual results:
  The Glance catch an import error.

  Expected results:
  The Glance should alert that the Rados packages are missing.

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