lifting lustre client to centos78. Lustre module from our repo needs mlx kmod

CICD/plays/testlustre/testlustre.yml

@@ -93,11 +93,15 @@
       state: mounted
 
 - hosts: 'LoginNodes' # this does not work. we need to config_repos first
-#  vars_files: 
-#    - vars/vars.yml 
+  tasks:
+  - include_vars: vars/vars_centos78.yml
+
+- hosts: 'LoginNodes'
   roles:
   - { role: config_repos, tags: [ repos ] }
-    
+  - { role: upgrade, tags: [ upgrade ] } # upgrade from centos7.6 base image to centos7.8
+  - { role: mellanox_drivers, start_roce_service: false }
+  
 - hosts: 'LoginNodes' # this does not work. we need to config_repos first
   tasks:
   - name: install rpms

CICD/plays/testlustre/vars

-../vars
\ No newline at end of file
+../../vars
\ No newline at end of file

roles/mellanox_drivers/tasks/main.yml

@@ -147,4 +147,5 @@
 
 - name: enable roce_mode setting
   service: name=roce_mode state=started enabled=yes
-  become: true
\ No newline at end of file
+  become: true
+  when: start_roce_service is undefined or start_roce_service is true