Comment 8 for bug 1631503

Reviewed: https://review.openstack.org/386412
Committed: https://git.openstack.org/cgit/openstack/kolla/commit/?id=f182dc6e9d5060a67110a825e158888583991b71
Submitter: Jenkins
Branch: stable/newton

commit f182dc6e9d5060a67110a825e158888583991b71
Author: Jeffrey Zhang <email address hidden>
Date: Mon Oct 10 22:37:05 2016 +0800

    Fix rabbitmq upgrade permission issue

    During the upgrade from Mitaka to Newton, the uid/gid may change for the
    same image. Especially on Ubuntu, we moved to Ubuntu Xenial in Newton
    and it added systemd related user which break all the uid/gid during an
    upgrade. It will the permissions in all docker named volumes.

    This fix extends set_config.py to set the proper permission during
    container start. This is super light then add commands in
    extend_start.sh file or add ansible tasks.

    This patch just fixes rabbitmq case. Other services will be fixed in
    following patches.

    Partial-Bug: #1631503
    Change-Id: Ib17027b97abbc9bf4e3cd503601b8010325b5c5b
    (cherry picked from commit 4c207bc0399f024f24c05446a6924875c0f7aaef)