Register DNS automatically for 9iron instances

This opens the door to making new CNAME entries for other services
automagically

roles/dns/tasks/main.yml

@@ -0,0 +1,17 @@
+#!/usr/bin/ansible-playbook
+# vim:ft=ansible:
+---
+- name: Add machine to DNS zone
+  block:
+  - name: Get public IP
+    ipify_facts:
+  - name: Register record in zone
+    route53:
+      state: present
+      zone: 9iron.club
+      type: A
+      record: "{{ inventory_hostname }}.9iron.club."
+      ttl: 300
+      value:
+        - "{{ ipify_public_ip }}"
+      wait: yes

site.yml

@@ -21,6 +21,10 @@
                 64303363653631653433343361616635373966326433663466636164613062343561333036613937
                 35616666633737356331653632323639373330396433366639326466373639313630
       tags: [ common, user ]
+- hosts: 9iron
+  roles:
+    - role: dns
+      tags: [ common, dns ]
 - import_playbook: playbooks/home.yml
 - import_playbook: playbooks/webservers.yml
 - import_playbook: playbooks/gameservers.yml