changing default lustre version to LTS

roles/buildLustreClient/defaults/main.yml

 ---
-lustreVersion: v2_13_55
+lustreVersion: v2_12_6

roles/mellanox_drivers/tasks/main.yml

@@ -60,11 +60,18 @@
 - name: debug - print out value of install_now
   debug: var=install_now
 
-- name: copy driver source
+- name: copy driver source from consistency0
   unarchive: copy=no src="http://consistency0/src/{{ MELLANOX_DRIVER_SRC }}.tgz" dest=/tmp
   become: true
   become_user: root
-  when: install_now
+  when: install_now and mlx_driver_url is undefined
+  #https://content.mellanox.com/ofed/MLNX_OFED-4.9-2.2.4.0/MLNX_OFED_LINUX-4.9-2.2.4.0-rhel7.8-x86_64.tgz
+
+- name: copy driver source from mellanox
+  unarchive: copy=no src="{{ mlx_driver_url }}" dest=/tmp
+  become: true
+  become_user: root
+  when: install_now and mlx_driver_url is defined
 
 #remove old mellanox drivers as they may interfere with an update
 - name: stop lustre
@@ -112,7 +119,7 @@
   become: true
   become_user: root
   when: install_now and buildKMOD!=True
-  
+
 - name: install drivers
   shell: ./mlnxofedinstall -q --skip-repo --without-fw-update --add-kernel-support --hpc --kmp --all
   args: