As a first step towards supporting multiple overcloud disk images, this
change introduces a new command to build a disk image directly with DIB:
`kayobe overcloud host image build`.

It also disables building a root disk image during Bifrost bootstrap if
overcloud_dib_build_host_images is set to true.

Change-Id: I93d242889e225b4e60254f6b9cc5eeb457294ac8
Story: 2002098
Task: 41693
(cherry picked from commit c35f112)

Change-Id: I2c2378ebd99ac02586518e80e4b86a9d765476e6
(cherry picked from commit 774d01c)

Variable untemplated_dirs has been added to allow for
defining directories under kayobe/kolla/config which should be copied
instead of templated by kolla-openstack role.

This is needed to support custom themes for horizon -
change If9982c8e18be31772cb031ef72b7eebd4d768be5

Change-Id: I350f58c8a82f0f31608b34054e804c5c198d6806
(cherry picked from commit 35e0d76)

This variable allows to customise the upper constraints file used to
install packages inside the overcloud-host-image-dib virtual
environment. This can be used when we need a newer version of
diskimage-builder than the one available in upper constraints for the
current release.

Change-Id: I2f6c2f92903815973865ef0f5d6b867d5b995bd5
Story: 2002098
Task: 44101
(cherry picked from commit ad3f6f1)

In some cases it may be desirable to run libvirt daemon on the host. For
example, when mixing host and container OS distributions.

This change makes it possible to disable the nova_libvirt container, by
setting kolla_enable_nova_libvirt_container to false.

The stackhpc.libvirt-host role is used in order to install and configure
a libvirt daemon on compute hosts when
kolla_enable_nova_libvirt_container is false.

Depends-On: https://review.opendev.org/c/openstack/kolla-ansible/+/825357
Depends-On: https://review.opendev.org/c/openstack/kayobe-config-dev/+/829225
Depends-On: stackhpc/ansible-role-libvirt-host#51

Story: 2009858
Task: 44495

Change-Id: I73fef63fb886a9d543d2f4231fb009523495edb3
(cherry picked from commit c4b74f4)

Adds support for SASL authentication of libvirt TCP and TLS connections
when using a compute host libvirt daemon.

In line with the dependent Kolla Ansible patch, we enable SASL by
default, and use DIGEST-MD5 with TCP and SCRAM-SHA-256 with TLS.

Depends-On: https://review.opendev.org/c/openstack/kolla-ansible/+/833022
Depends-On: stackhpc/ansible-role-libvirt-host#52

Story: 2009858
Task: 44735

Change-Id: Id3972c24022aeb6421494c3cccdc8e7cbce802e6
(cherry picked from commit f4493e4)

This adds a variable that allows you to modify the version of ansible
installed in the kolla-ansible virtualenv. This is useful if you want
to use a customised version of ansible.

Change-Id: I319dd51ed3221826f820fbc0ae3639b89e9c82ea
(cherry picked from commit 1375517)

Change-Id: I2823016294e7df63f63be9ab26535b3962a71ebe
(cherry picked from commit 1fbb5cb)

Change-Id: Ic5130a7512d4a26354bd292b0ab51ab4a9279f0a
(cherry picked from commit e48960e)

Depends-on: https://review.opendev.org/c/openstack/bifrost/+/819785
Change-Id: I37b9d18f0523c121357c5a37ec6fc458209f8e79
(cherry picked from commit 04d97cd)

Change-Id: I6515d028914e8956eac23662c3714a908fda6ac4
(cherry picked from commit 5ede876)

The no_proxy list should only contain domains, hostnames, IP addresses
and networks, but docker_registry is often in the form ip_address:port.

Use urlsplit to extract the hostname from the docker_registry variable
after prepending http:// to turn it into a valid URL.

Also add missing infra-vms to hosts in proxy.yml.

Change-Id: I6424fc405894514a63fb2b641637bbb9d5c070c0
(cherry picked from commit 71eb21a)
(cherry picked from commit bd191e7)

Change-Id: I7ca7608d36910eb519340641d037dc6601ab5fb2