openafs-client: add centos8

Add CentOS 8 support for the openafs client build

Change-Id: I8290cf1eed9ee8e4af44ac209502553944c52103
Depends-On: https://review.opendev.org/702348

.zuul.yaml

@@ -629,6 +629,18 @@
           nodes:
             - base
 
+- job:
+    name: system-config-zuul-role-integration-centos-8
+    parent: system-config-zuul-role-integration
+    nodeset:
+      nodes:
+        - name: base
+          label: centos-8
+      groups:
+        - name: openafs
+          nodes:
+            - base
+
 - project-template:
     name: system-config-zuul-role-integration
     check:
@@ -636,11 +648,13 @@
         - system-config-zuul-role-integration-xenial
         - system-config-zuul-role-integration-bionic
         - system-config-zuul-role-integration-debian-stable
+        - system-config-zuul-role-integration-centos-8
     gate:
       jobs:
         - system-config-zuul-role-integration-xenial
         - system-config-zuul-role-integration-bionic
         - system-config-zuul-role-integration-debian-stable
+        - system-config-zuul-role-integration-centos-8
 
 - job:
     name: system-config-run

roles/kerberos-client/tasks/install-packages/CentOS.yaml

@@ -5,6 +5,13 @@
     state: present
   become: yes
 
+# Until in EPEL8; see:
+#  https://bugzilla.redhat.com/show_bug.cgi?id=1791168
+- name: Install kstart copr repo for CentOS8
+  command: dnf copr enable -y iwienand/kstart
+  become: yes
+  when: ansible_distribution_major_version == '8'
+
 - name: Install kerberos client packages
   yum:
     name: '{{ kerberos_client_packages }}'
@@ -12,3 +19,8 @@
     state: present
   become: yes
 
+- name: Remove kstart copr repo for CentOS8
+  command: dnf copr remove -y iwienand/kstart
+  become: yes
+  when: ansible_distribution_major_version == '8'
+

roles/openafs-client/tasks/main.yaml

@@ -4,6 +4,7 @@
     params:
       files:
         - "{{ ansible_distribution }}.{{ ansible_architecture }}.yaml"
+        - "{{ ansible_distribution }}.{{ ansible_distribution_major_version }}.yaml"
         - "{{ ansible_distribution }}.yaml"
         - "{{ ansible_os_family }}.yaml"
       paths:

roles/openafs-client/vars/CentOS.8.yaml

@@ -0,0 +1,3 @@
+openafs_client_config_path: '/usr/vice/etc'
+openafs_client_yum_repo_url: https://tarballs.openstack.org/project-config/package-afs-centos8
+openafs_client_yum_repo_gpg_check: no