diff --git a/roles/fog/defaults/main.yml b/roles/fog/defaults/main.yml
new file mode 100644
index 0000000..788d0c1
--- /dev/null
+++ b/roles/fog/defaults/main.yml
@@ -0,0 +1,2 @@
+depl_url: "http://s-adm.gsb.adm/gsbstore/"
+depl_fog: "fogproject-1.5.9.tar.gz"
diff --git a/roles/fog/tasks/main.yml b/roles/fog/tasks/main.yml
index 9f826ea..9e3a106 100644
--- a/roles/fog/tasks/main.yml
+++ b/roles/fog/tasks/main.yml
@@ -6,10 +6,10 @@
 
   - name: recuperation du fichier d'installation de fog
     get_url:
-      url: http://depl/gsbstore/fogproject-1.5.7.tar.gz
+      url: "{{ depl_url }}/{{ depl_fog }}"
       dest: /root/fog
 
   - name: decompression du fichier d'installation de fog
     unarchive:
-      src: /root/fog/fogproject-1.5.7.tar.gz
+      src: "/root/fog/{{ depl_fog }}"
       dest: /root/fog