Support Matrix

Supported Operating Systems

Kolla Ansible supports the following host Operating Systems (OS):

Note

CentOS 7 is no longer supported as a host OS. The Train release supports both CentOS 7 and 8, and provides a route for migration. See the Kolla Ansible Train documentation for information on migrating to CentOS 8.

Note

CentOS Linux 8 (as opposed to CentOS Stream 8) is no longer supported as a host OS. The Victoria release will in future support both CentOS Linux 8 and CentOS Stream 8, and provides a route for migration.

  • CentOS Stream 8

  • Debian Bullseye (11)

  • RHEL 8 (deprecated)

  • Ubuntu Focal (20.04)

Supported container images

For best results, the base container image distribution should match the host OS distribution. The following values are supported for kolla_base_distro:

  • centos

  • debian

  • rhel (deprecated)

  • ubuntu

For details of which images are supported on which distributions, see the Kolla support matrix.