Supported Operating Systems¶
Kolla Ansible supports the following host Operating Systems (OS):
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.
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 Linux Stream 8 will no longer be supported as a host OS from the Zed release onwards. The Yoga supports both CentOS Stream 8 and Rocky Linux 9, and provides a route for migration.
CentOS Stream 8
Debian Bullseye (11)
openEuler 20.03 LTS SP2
RHEL 8 (deprecated)
Rocky Linux 8
Rocky Linux 9
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
For details of which images are supported on which distributions, see the Kolla support matrix. .. FIXME(Alex-Welsh): At the time of writing, the Kolla support matrix is out .. of date.