Add some oneoff scripts

oneoffs/os-version.yml

@@ -0,0 +1,11 @@
+#!/usr/bin/env ansible-playbook
+# vim:ft=ansible:
+- hosts: all
+  gather_facts: yes
+  become: no
+  tasks:
+    - name: print os info
+      debug: msg="{{ item }}"
+      with_items:
+        - "{{ ansible_distribution }}"
+        - "{{ ansible_distribution_version }}"