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

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

** Changed in: glance
    Milestone: None => juno-rc1

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https://bugs.launchpad.net/bugs/1256364

Title:
  While deleting an image, Glance Swift store fails to delete remaining
  chunks upon erroring on one of the chunks

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

Bug description:
  While attempting to delete an image, glance swift store:
  1. checks if the image is stored as chunks.
  2. if stored as chunks:
     2.a. fetch the list of chunks
     2.b. iterates over chunks and deletes each one
     2.c. deletes the manifest
  3. if not stored as chunks, deletes the object

  In step 2.b, when iterating over the list of chunks and deleting each
  one, if glance swift store receives an error on one of the chunks, an
  exception is raised and the delete process halts leaving the remaining
  chunks orphaned. This may cause orphaned chunks to be leftover in
  swift.

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