check if nvidia driver installed and then if peermem is loaded. if not load the module nvidia_peermem

Author: shethdhvani

playbooks/new_nodes.yml

@@ -50,7 +50,6 @@
       when: cluster_network|bool
     - include_role: 
         name: nvidia_peermem
-      when: cluster_network|bool
 
 - hosts: bastion,slurm_backup,login,compute
   become: true

playbooks/resize_add.yml

@@ -48,7 +48,6 @@
       when: cluster_network|bool
     - include_role: 
         name: nvidia_peermem
-      when: cluster_network|bool
 
 - hosts: bastion,slurm_backup,login,compute
   become: true

playbooks/roles/nvidia_peermem/.travis.yml

@@ -1,15 +1,16 @@
 ---
 - name: Check if nvidia drivers are installed
-  shell: lsmod | grep nvidia_peermem | wc -l
-  register: result
+  shell: cat /sys/module/nvidia/version | wc -l
+  register: gpu
 
 
 - name: Check if nvidia_peermem module is loaded
   shell: lsmod | grep nvidia_peermem | wc -l
   register: result
+  when: gpu.stdout == '1'
 
 
 - name: Load nvidia_peermem module
   become: true
   shell: modprobe nvidia_peermem
-  when: register.stdout != 3
+  when: gpu.stdout == '1' and result.stdout != '3'

playbooks/roles/nvidia_peermem/README.md

@@ -52,7 +52,6 @@
       when: cluster_network|bool
     - include_role: 
         name: nvidia_peermem
-      when: cluster_network|bool
 
 - hosts: bastion
   become: true