Comment 4 for bug 1847409

Reviewed: https://review.opendev.org/687655
Committed: https://git.openstack.org/cgit/starlingx/ansible-playbooks/commit/?id=67a19b2799cdc5a5f88f7f44d376cd1196df0083
Submitter: Zuul
Branch: master

commit 67a19b2799cdc5a5f88f7f44d376cd1196df0083
Author: Angie Wang <email address hidden>
Date: Wed Oct 9 13:37:53 2019 -0400

    Strip out port from the alternative registry url

    All system images were changed to push to local registry.
    The image reference conversion approach(local registry
    prepended) is:
    registry.local:9001/<public/private-registry>/image:tag

    In the case that private registry contains a port, we need
    to strip it out as Docker does not allow the format of the
    image reference that has port in repositores/namespaces,
    otherwise, the image reference conversion will fail.

    Test conducted (AIO-DX):
      - deploy system with private registry that has port in address
      - deploy system with public registry

    Change-Id: I1e3867dde932b60dd2e7f0a42331a7c12aaba752
    Closes-Bug: #1847409
    Signed-off-by: Angie Wang <email address hidden>