--- upgrade: - | If you are setting ``libvirt_rbd_secret_uuid`` in the ``nova::compute::rbd`` class you MUST now set ``libvirt_rbd_secret_key`` as well if the ``manage_libvirt_secret`` parameters is set to true (the default) because the ``rbd_keyring`` parameter is deprecated and has no effect, we no longer get the Ceph authx key automatically if ``libvirt_rbd_secret_key`` is not set. deprecations: - | The ``nova::compute::rbd::rbd_keyring`` parameter is deprecated and has no effect.