Detect duplicate floating ips in midonet zookeeper

check_duplicate_fips.py

#!/usr/bin/env python
from __future__ import print_function

from kazoo.client import KazooClient
from collections import Counter

# id of ext-net
DEFAULT_BRIDGE='caf8de33-1059-4473-a2c1-2a62d12294fa'


def make_con(hosts='127.0.0.1:2181'):
    zk = KazooClient(hosts=hosts)
    zk.start()
    return zk


def get_fips(zk):
    return Counter(c.split(',')[0] for c in zk.get_children('/midonet/bridges/%s/ip4_mac_map' % DEFAULT_BRIDGE))


con = make_con()
res = get_fips(con)
warn = False
for ip in res:
    if res[ip] > 1:
        warn = True
        print(ip, ":", res[ip])

if warn:
    exit(1)