Comment 3 for bug 1504854

Reviewed: https://review.openstack.org/236751
Committed: https://git.openstack.org/cgit/openstack/zaqar/commit/?id=39918c82d3637f44be05615efc5c329f4acd16b3
Submitter: Jenkins
Branch: master

commit 39918c82d3637f44be05615efc5c329f4acd16b3
Author: Eva Balycheva <email address hidden>
Date: Mon Oct 19 02:02:04 2015 +0300

    Correctly stop uwsgi process during unstack.sh

    When using Zaqar as plugin in DevStack, after executing unstack.sh,
    there's still Zaqar uwsgi master process with it's workers running:
    /usr/local/bin/uwsgi --ini /etc/zaqar/uwsgi.conf
    This process must be stopped.
    Also running uwsgi process will prevent Zaqar to start on the next
    execution of stack.sh.

    The problem occurs, because of the nature of uwsgi container.
    It just can't be stopped like that:
    https://github.com/openstack/zaqar/blob/master/devstack/plugin.sh#L253

    It must be stopped as described in uwsgi documentation:
    https://uwsgi-docs.readthedocs.org/en/latest/Management.html

    This commit will make uwsgi container process stop correctly on
    unstack.sh execution by using PID of the process as described in uwsgi
    documentation.

    Change-Id: I2f39ea5880c2153fa14a8308d8710969ef6a1a5e
    Closes-Bug: 1504854