#!/usr/bin/env python

import json
import os
import socket
import sys
import zmq

try:
    service = sys.argv[1]
    check_list = frozenset(sys.argv[2:])
    if not check_list:
        print "UNKNOWN - empty list of fedmsg consumers and producers to check"
        sys.exit(3)
    uninitialized_cp = False
    fname = '/var/run/fedmsg/monitoring-%s.socket' % service
    if not os.path.exists(fname):
        print "UNKNOWN - %s does not exist" % fname
        sys.exit(3)
    connect_to = "ipc:///%s" % fname
    ctx = zmq.Context()
    s = ctx.socket(zmq.SUB)
    s.connect(connect_to)
    s.setsockopt(zmq.SUBSCRIBE, '')
    msg = s.recv()
    msg = json.loads(msg)

    for consumer in msg['consumers']:
        if consumer['name'] in check_list and not consumer['initialized']:
            print 'ERROR: fedmsg consumer %s is not initialized' % consumer['name']
            uninitialized_cp = True

    for producer in msg['producers']:
        if producer['name'] in check_list and not producer['initialized']:
            print 'ERROR: fedmsg producer %s is not initialized' % producer['name']
            uninitialized_cp = True

    if uninitialized_cp:
        sys.exit(2)

    print "OK: fedmsg consumer(s) and producer(s) initialized"
    sys.exit(0)

except Exception as err:
    print "UNKNOWN:", str(err)
    sys.exit(3)