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We agreed that CentOS Stream 9 images are not published as we keep it for CI use only (to check potential failures before it hits RHEL). We recommend Rocky Linux 9 instead. Change-Id: I06e6746e5c2abbdcd97912ea2f99d82fc662531d
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==============
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Support Matrix
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==============
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Supported Operating Systems
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Kolla Ansible supports the following host Operating Systems (OS):
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.. note::
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CentOS 7 is no longer supported as a host OS. The Train release supports
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both CentOS 7 and 8, and provides a route for migration. See the `Kolla
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Ansible Train documentation
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<https://docs.openstack.org/kolla-ansible/train/user/centos8.html>`_ for
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information on migrating to CentOS 8.
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.. note::
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CentOS Linux 8 (as opposed to CentOS Stream 8) is no longer supported as a
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host OS. The Victoria release will in future support both CentOS Linux 8 and
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CentOS Stream 8, and provides a route for migration.
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.. note::
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CentOS Stream 9 is supported as a host OS while Kolla does not publish CS9
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based images. Users can build them on their own. We recommend using Rocky
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Linux 9 images instead.
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* CentOS Stream 9
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* Debian Bullseye (11)
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* openEuler 22.03 LTS
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* Rocky Linux 9
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* Ubuntu Jammy (22.04)
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Supported container images
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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For best results, the base container image distribution should match the host
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OS distribution. The following values are supported for ``kolla_base_distro``:
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* ``centos``
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* ``debian``
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* ``rocky``
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* ``ubuntu``
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For details of which images are supported on which distributions, see the
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:kolla-doc:`Kolla support matrix <support_matrix>`.
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