use-multipath does not install multipath-tools

[Trent Lloyd]

The juju option 'use-multipath' configures nova.conf with the option to use multipath.

However it does not install the multipath-tools package which is required for this functionality.

Furthermore, if you enable the option without the package installed, all volume attachments (including ceph which will never use the multipath functionality) will fail because of the missing multipath command. The error at the OpenStack API level is not obvious (Block Device Mapping Failed) and you will only find the cause in the nova logs on the hypervisor.

[Trent Lloyd (lathiat)]

Looks like we also need 'sysfstools'

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/634847
Committed: https://git.openstack.org/cgit/openstack/charm-nova-compute/commit/?id=a445a33add78f9a295b2f49ca1440ad4c1c9a4fe
Submitter: Zuul
Branch: master

commit a445a33add78f9a295b2f49ca1440ad4c1c9a4fe
Author: Billy Olsen <email address hidden>
Date: Mon Feb 4 19:43:49 2019 -0700

    Install multipath dependencies when use-multipath is True

    This change ensures that the multipath dependencies are installed
    on the compute node when the use-multipath config flag is enabled.

    Change-Id: I39b017398b95f5901d9bc57ffa0c59ff59f3a359
    Closes-Bug: #1806830

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/18.11
Review: https://review.openstack.org/635643

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/635643
Committed: https://git.openstack.org/cgit/openstack/charm-nova-compute/commit/?id=e464bbaa604148f2188537d82a3d41ebca152466
Submitter: Zuul
Branch: stable/18.11

commit e464bbaa604148f2188537d82a3d41ebca152466
Author: Billy Olsen <email address hidden>
Date: Mon Feb 4 19:43:49 2019 -0700

    Install multipath dependencies when use-multipath is True

    This change ensures that the multipath dependencies are installed
    on the compute node when the use-multipath config flag is enabled.

    Change-Id: I39b017398b95f5901d9bc57ffa0c59ff59f3a359
    Closes-Bug: #1806830
    (cherry picked from commit a445a33add78f9a295b2f49ca1440ad4c1c9a4fe)