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[OpenStack Infra <1481689@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/465954
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=693ace79fbf856967684f11dfd7663d465dbe19a
Submitter: Zuul
Branch:    master

commit 693ace79fbf856967684f11dfd7663d465dbe19a
Author: naichuans <naichuan.sun@xxxxxxxxxx>
Date:   Thu May 18 13:01:06 2017 +0000

    xenapi: cached images should be cleaned up by time
    
    For xenapi driver, there needs to be some way to delete cached
    images based on when they were created. add an optional arg to
    control delete operation.
    
    Change-Id: I24fc45e989aa951aab55a261fce77f7e3667d988
    Closes-bug: 1481689


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1481689

Title:
  xenapi: cached images should be cleaned up by time

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  For xenapi driver, there needs to be some way to delete cached images
  based on when they were created.

  Here is a use case:

  Operators often change images frequently for updates etc, if an image has cache_in_nova flag set, xapi will cache it in the SR.
  However, the cleanup method, can only handle cleanup of cache that are not used (which is fair enough) but a lot of the times we don't want to clean new images even when they are not used, so there needs to be a way to delete image based on when they were cached.

  One approach, for example, could be that we set created timestamp on
  the image, and be able to delete images depending on when they were
  cached etc.

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