openstack-ansible/releasenotes/notes/add-nspawn-driver-ac2aa38f0...

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---
features:
- Deployers can now set the ``container_tech`` to **nspawn** when deploying
OSA within containers. When making the decision to deploy container types
the deployer only needs to define the desired ``container_tech`` and
continue the deployment as normal.
- The addition of the ``container_tech`` option and the inclusion of
**nspawn** support deployers now have the availability to define a desired
containerization strategy globally or on specific hosts.
- When using the **nspawn** driver containers will connect to the system
bridges using a MACVLAN, more on this type of network setup can be seen
`here <https://www.systutorials.com/docs/linux/man/8-ip-link/>`_.
- When using the **nspawn** driver container networking is managed by
systemd-networkd both on the host and within the container. This gives us a
single interface to manage regardless of distro and allows systemd to
efficiently manage the resources.