add ariane host_vars/ariane and role

roles/ariane/tasks/iptables.yml

@@ -0,0 +1,8 @@
+---
+- name: iptables  - install iptables-persistent
+  apt: name=iptables-persistent
+
+- name: /etc/iptables/rules.v4
+  template: dest=/etc/iptables/rules.v4 src=iptables_rules_v4.j2 owner=root group=root mode=0644
+  notify:
+    iptables restore