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[nikhil komawar <nikhil.komawar@xxxxxxxxxxxxx>]

** Changed in: glance
   Importance: Undecided => Medium

** Also affects: glance-store
   Importance: Undecided
       Status: New

** Changed in: glance-store
     Assignee: (unassigned) => Sabari Murugesan (smurugesan)

** Changed in: glance-store
       Status: New => In Progress

** Changed in: glance-store
   Importance: Undecided => High

** Changed in: glance
       Status: In Progress => Opinion

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https://bugs.launchpad.net/bugs/1413852

Title:
  VMware store: Attribute error while retrying image upload

Status in OpenStack Image Registry and Delivery Service (Glance):
  Opinion
Status in OpenStack Glance backend store-drivers library (glance_store):
  In Progress

Bug description:
  In case of unauthenticated session, vmware store retries to upload the
  image data but fails when seeking to reposition the file.

  2015-01-22 19:12:31.883 20624 ERROR glance.api.v1.upload_utils [e5be8f01-4bbb-4a1c-9721-495615e5e5cb 65dc7965ee13438e9ae706d4d42d2f65 087a197802df458dac65c1060a8e4cd4 - - -] Failed to upload image fa4a3308-917a-4899-8905-66333955cdfb
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils Traceback (most recent call last):
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils   File "/opt/stack/glance/glance/api/v1/upload_utils.py", line 107, in upload_data_to_store
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils     context=req.context)
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils   File "/opt/stack/glance_store/glance_store/backend.py", line 318, in store_add_to_backend
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils     context=context)
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils   File "/opt/stack/glance_store/glance_store/_drivers/vmware_datastore.py", line 359, in add
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils     image_file.rewind()
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils   File "/opt/stack/glance_store/glance_store/_drivers/vmware_datastore.py", line 124, in rewind
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils     self.data.seek(0)
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils AttributeError: 'CooperativeReader' object has no attribute 'seek'
  2015-01-22 19:12:31.883 20624 TRACE glance.api.v1.upload_utils

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