custom facts - very hacky

get_cloudstack_zones

# located in /etc/ansible/library

#!/usr/bin/env python
# 
# Get cloudstack zone name/id and add to ansible facts
# requires cloudmonkey >= v5 with json output set

import json
import os

# ugly.. use subprocess
str_output = os.popen('cloudmonkey list zones').read()
# remove ansi escape char
str_output = str_output.replace('\x1b[?1034h', '')

# create the dict structure, must contain a key ansible_facts, within which we'll 
# add our custom facts 
facts = {
    'ansible_facts': {
        'cloudstack': {
            'zone': {}
        }
    }
}

try:
    decoded = json.loads(str_output)
except (ValueError, KeyError, TypeError):
    print "JSON format error"
    sys.exit(1)

# if there are zone's, loop through and add to facts dict
if decoded['count'] > 0:
    for item in decoded['zone']:
        facts['ansible_facts']['cloudstack']['zone'][item['name']] = item['id']

print json.dumps(facts)

test_fact.yml

- hosts: application-hosts
  gather_facts: False
  tasks:
  - name: add cloudstack zone info to facts
    action: get_cloudstack_zones
  - debug: msg="{{ cloudstack.zone['test'] }}"