Comment 41 for bug 1498163

Reviewed: https://review.openstack.org/229945
Committed: https://git.openstack.org/cgit/openstack/glance/commit/?id=5bebd513fa71edcdb84f7dec7b16f3523c0c1092
Submitter: Jenkins
Branch: stable/kilo

commit 5bebd513fa71edcdb84f7dec7b16f3523c0c1092
Author: Mike Fedosin <email address hidden>
Date: Sun Sep 20 17:01:22 2015 +0300

    Cleanup chunks for deleted image if token expired

    In patch I47229b366c25367ec1bd48aec684e0880f3dfe60 it was
    introduced the logic that if image was deleted during file
    upload when we want to update image status from 'saving'
    to 'active' it's expected to get Duplicate error and delete
    stale chunks after that. But if user's token is expired
    there will be Unathorized exception and chunks will stay
    in store and clog it.
    And when, the upload operation for such an image is
    completed the operator configured quota can be exceeded.

    This patch fixes the issue of left over chunks for an image
    which was deleted from saving status, by correctly handle
    auth exceptions from registry server.

    Partial-bug: #1498163

    Conflicts:
     glance/api/v1/upload_utils.py
            (Kilo catches NotFound instead of ImagenotFound)

    Change-Id: I17a66eca55bfb83107046910e69c4da01415deec
    (cherry picked from commit 98a8832777a0639a4031e52c69f0d565b3f500c5)