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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: glance
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1444767

Title:
  scrubber edge cases orphan objects and records

Status in Glance:
  Fix Released

Bug description:
  The scrubber can leave orphaned objects and db records in error / edge
  cases. This is because the order in which it updates the DB and object
  store. Recommended solution:

  For each image that has status pending_delete:
      For each image location that has status pending_delete:
          Delete the object in the object store
          If error other than object not found, continue
          Mark image location status as deleted
      If all image locations are deleted, mark image as deleted
      Else if no image locations are marked as pending_delete, change status to something else??? # I suppose it's possible an image_location would still be active or some other non-deleted status. I don't think we want to orphan the image_location by marking the image deleted in this case.

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