#!/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:
		groups = ct.get_running_config_item('lxc.group')
		if not groups:
			groups = 'ungrouped'
		for group in groups.rstrip().split('\n'):
			if not group in inventory:
				inventory[group] = {
					'hosts': [],
					'vars': {
						'ansible_user': 'root',
					},
				}
			inventory[group]['hosts'].append(ctname)
		inventory['_meta']['hostvars'][ctname] = {
			'ansible_host': ct.get_ips()[0],
		}


print(json.dumps(inventory))