Don't use the roles variable, it does not work yet

playbooks/groups/mailman.yml

@@ -29,12 +29,12 @@
    - ${vars}/${ansible_distribution}.yml
 
   roles:
-  - ${roles}/base
-  - ${roles}/rkhunter
-  - ${roles}/denyhosts
-  - ${roles}/nagios_client
-  - ${roles}/fas_client
-  - ${roles}/yum-cron
+  - /srv/web/infra/ansible/roles/base
+  - /srv/web/infra/ansible/roles/rkhunter
+  - /srv/web/infra/ansible/roles/denyhosts
+  - /srv/web/infra/ansible/roles/nagios_client
+  - /srv/web/infra/ansible/roles/fas_client
+  - /srv/web/infra/ansible/roles/yum-cron
 
   tasks:
   # this is how you include other task lists
@@ -102,7 +102,7 @@
    - ${vars}/${ansible_distribution}.yml
 
   roles:
-  - ${roles}/mailman
+  - /srv/web/infra/ansible/roles/mailman
 
   tasks:
   - name: server front page