Introduce dpdk support for linux OVS configuration.
It configures dpdk interface bind, ovs dpdk ports, bonding,
parameters for dpdk cpu pmd and set multique queues for specific
ovs dpdk interfaces.

Change-Id: I3f38660bab8db0c2b38f03ed8c94eb10b6b3beb9
Epic: PROD-8957
Epic: PROD-8958

- apply review comments
- add visudo check cmd

Separate cpu for host os from workload.

Change-Id: I5b274a6324fe2fa47c09df82c01e3b95dadb5e53
Epic: PROD-8959

* Add support for autoupdates

only Debian-based systems are supported for now
(through unattended-upgrades package)

* Fix test on system.autoupdates.pkgs

Change-Id: I6ba3d72307805341829fe0f6919e326f3698e833

Enable SR-IOV support on server.

Change-Id: I7dabe340abd398cc0422698112cbdd81804446b7
Epic: PROD-8956

Grub hugepages configuration and mount point action.

Change-Id: I49b26871c325b95a7d3f264892a9e997b58765bc
Epic: PROD-8959

This state allows to configure loopback device(s). This isn't meant to
be used in production but offers a cheap way to test Cinder with LVM
volumes.

Parameter purge_hosts will enforce whole /etc/hosts file, removing entries
that are not defined in model except defaults for both IPv4 and IPv6 localhost
and hostname + fqdn.

It's good to use this option if you want to ensure /etc/hosts is always in a
clean state however it's not enabled by default for safety.

Change-Id: Ieb219b2dd494d5a66ecc52a2ec00dd5157ee2b7a

The enabled flag is mandatory.