Use `systemd` module from Ansible 2

playbooks/roles/browsers/tasks/main.yml

@@ -76,8 +76,8 @@
 - name: create xvfb systemd service
   template: src=xvfb.service.j2 dest=/etc/systemd/system/xvfb.service owner=root group=root
 
-- name: register xvfb systemd service
-  shell: systemctl enable /etc/systemd/system/xvfb.service
-
-- name: start xvfb
-  service: name=xvfb state=started
+- name: enable and start xvfb systemd service
+  systemd:
+    name: xvfb
+    enabled: yes
+    state: started