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#!/usr/bin/env python
# encoding: utf-8
import sys
from subprocess import Popen, PIPE
import yaml
import json
d = yaml.safe_load(Popen(['juju','status'],stdout=PIPE).stdout)
services = d.get("services", {})
if services is None:
sys.exit(0)
groups = {}
for service in services.items():
if service is None:
continue
units = services.get(service[0], {}).get("units", {})
if units is None:
continue
for unit in units.items():
if 'public-address' in unit[1].keys():
groups.setdefault(service[0], {"hosts" :[]})['hosts'].append(unit[1]['public-address'])
print json.dumps(groups)
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