Add Rocky Linux support as Host OS

Depends-On: https://review.opendev.org/c/openstack/ansible-collection-kolla/+/831642
Change-Id: I70dcd2d0cade52a23b3e219b7e0aaa31193ec938

ansible/roles/prechecks/vars/main.yml

@@ -15,5 +15,7 @@ host_os_distributions:
     - "bullseye"
   RHEL:
     - "8"
+  Rocky:
+    - "8"
   Ubuntu:
     - "focal"

doc/source/user/support-matrix.rst

@@ -24,6 +24,7 @@ Kolla Ansible supports the following host Operating Systems (OS):
 * CentOS Stream 8
 * Debian Bullseye (11)
 * RHEL 8 (deprecated)
+* Rocky Linux 8
 * Ubuntu Focal (20.04)
 
 Supported container images

releasenotes/notes/support-rockylinux-ad6d48db054ead2b.yaml

+---
+features:
+  - |
+    Adds support for Rocky Linux 8 as Host OS.

tests/pre.yml

@@ -81,6 +81,7 @@
     - name: set new hostname based on ansible inventory file
       hostname:
         name: "{{ inventory_hostname }}"
+        use: systemd
       become: true
 
     - name: Wait for ntp time sync

zuul.d/jobs.yaml

@@ -26,6 +26,16 @@
       install_type: source
       tls_enabled: true
 
+- job:
+    name: kolla-ansible-rocky8-source
+    parent: kolla-ansible-base
+    nodeset: kolla-ansible-rocky-8
+    voting: false
+    vars:
+      base_distro: centos
+      install_type: source
+      tls_enabled: true
+
 - job:
     name: kolla-ansible-ubuntu-source
     parent: kolla-ansible-base

zuul.d/nodesets.yaml

@@ -33,6 +33,12 @@
       - name: secondary2
         label: debian-bullseye
 
+- nodeset:
+    name: kolla-ansible-rocky-8
+    nodes:
+      - name: primary
+        label: rockylinux-8
+
 - nodeset:
     name: kolla-ansible-focal-multi
     nodes:

zuul.d/project.yaml

@@ -12,6 +12,7 @@
       jobs:
         - kolla-ansible-centos8s-source
         - kolla-ansible-debian-source
+        - kolla-ansible-rocky8-source
         - kolla-ansible-ubuntu-source
         - kolla-ansible-centos8s-source-kvm
         - kolla-ansible-ubuntu-source-kvm