Comment 8 for bug 1702587

Reviewed: https://review.openstack.org/481563
Committed: https://git.openstack.org/cgit/openstack/zun/commit/?id=d7d1b6821f48a1a0fcc56e85496c9d0a0c73aedb
Submitter: Jenkins
Branch: master

commit d7d1b6821f48a1a0fcc56e85496c9d0a0c73aedb
Author: Kien Nguyen <email address hidden>
Date: Fri Jul 7 17:22:20 2017 +0700

    Refactor Glance Image driver

    - In update_image method, has tag arg or not, always return
      update_image_format. The called method, update_image_tags,
      doesn't do any works.
    - Add new method download_image_in_chunks like another methods.
      Init glanceclient in utils module.
    - Update testcases.

    Change-Id: I3a3e9ec38c39ae4abc12196d907b1f32096ad9b6
    Partial-Bug: #1702587