Comment 7 for bug 1841611

Reviewed: https://review.opendev.org/683665
Committed: https://git.openstack.org/cgit/starlingx/openstack-armada-app/commit/?id=149dcb306dc831d9646b34da3f072f8aeee16211
Submitter: Zuul
Branch: master

commit 149dcb306dc831d9646b34da3f072f8aeee16211
Author: Al Bailey <email address hidden>
Date: Mon Sep 9 08:35:21 2019 -0500

    Cleanup unused docker image references

    The helm charts contain references to images for all
    configurations, however some of those configurations
    are not being enabled, and so the docker images are never
    used.

    This change prevents armada from downloading docker images
    that are not being used by the armada manifest.

    It requires an enhancement in sysinv to handle the null
    reference.

    The following images are unused and have been replaced
    in the manifest with null (or the appropriate reference)

     - kolla/ubuntu-source-nova-novncproxy: referenced by
    novnc_assets and must point to the nova image.

     - xrally/xrally-openstack: used when "test" is enabled,
    referenced by cinder, ceilometer, glance, heat, keystone,
    nova, neutron, panko.

     - openstackhelm/ceph-daemon: referenced by ceph_rgw.

     - openstackhelm/neutron: referenced by openstack-ingress.

     - osixia/keepalived: referenced by openstack-ingress.

     - prom/memcached-exporter: referenced by openstack-memcached.

     - docker: referenced by image_repo_sync image tags in almost
    every chart.

     - kbudde/rabbitmq-exporter: referenced by openstack-rabbitmq.

     - prom/mysqld-exporter: referenced by openstack-mariadb

    Change-Id: Ide26ddaf3537b8b9595104a683339554aea71b48
    Closes-Bug: 1841611
    Depends-On: https://review.opendev.org/#/c/680067/
    Signed-off-by: Al Bailey <email address hidden>