#!/usr/bin/python3

import json
import sys

try:
	import lxc
except ImportError:
	print("Could not import lxc module!")
	sys.exit(1)

########################################
inventory ={ '_meta':{'hostvars':{} } }
########################################

ctnames = lxc.list_containers()

for ctname in ctnames:
	ct = lxc.Container(ctname)

	if ct.running:
		for group in ct.get_running_config_item('lxc.group').rstrip().split('\n'):
			if not group in inventory:
				inventory[group] = {
					'hosts': [],
					'vars': {
						'ansible_connection': 'lxc',
					}
				}
			inventory[group]['hosts'].append(ctname)

print(json.dumps(inventory))