Add support for centos-9

Change-Id: I093881995f07f257566bc99ea9341f595de5ffa3

roles/glusterfs/tasks/main.yml

@@ -48,6 +48,7 @@
         path: /etc/yum.repos.d/CentOS-Gluster-8.repo
         regexp: '^mirrorlist'
         line: 'mirrorlist=http://mirrorlist.centos.org?arch=$basearch&release=8-stream&repo=storage-gluster-8'
+      when: ansible_facts['distribution_release'] == 8
 
     - name: Apply systemctl overrides
       import_role:

roles/glusterfs/vars/centos-9.yml

@@ -0,0 +1,25 @@
+---
+# Copyright 2022, BBC R&D
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+glusterfs_server_dnf_sig_packages:
+  - centos-release-gluster9
+
+glusterfs_server_dnf_enable: []
+
+glusterfs_server_distro_packages:
+  - systemd-udev
+  - glusterfs-server
+  - glusterfs-fuse
+