Comment 6 for bug 1756823

Reviewed: https://review.openstack.org/554195
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=7231f7dee10fa8f9e6cead026f6a5ae3f5b15ae4
Submitter: Zuul
Branch: master

commit 7231f7dee10fa8f9e6cead026f6a5ae3f5b15ae4
Author: Silvan Kaiser <email address hidden>
Date: Mon Mar 19 11:26:22 2018 +0100

    Exec systemd-run without --user flag in Quobyte driver

    Removes the --user flag from the systemd based mount command in the
    Quobyte driver. This prevents mount failures due to:
    - Older systemd releases not supporting the --user flag (e.g. CentOS)
    - Systemd versions having a bug preventing running the --scope and
      --user flags together
    - processutils context not allowing mount to run with this flag
    (see bug referenced below for details)

    Furthermore the systemd detection is fixed and
    all mount and umount commands are moved to libvirt privsep.

    Closes-Bug: #1756823

    Change-Id: I53f3a062ce419d1142d7dd3103fab565bb105e05