check service status of github.com

check_github.py

#!/usr/bin/env python

import argparse
import json
import urllib2
import sys

EXIT_CODE = ('OK', 'WARNING', 'CRITICAL', 'UNKNOWN')
GH_API_ROOT='https://status.github.com/api.json'
GH_STATUS = ('good', 'minor', 'major')


def main(args):
    msg = _get_message()

    if msg['status'] is None:
        print 'UNKNOWN: %s' % msg['body']
        sys.exit(EXIT_CODE.index('UNKNOWN'))

    code = GH_STATUS.index(msg['status'])
    print '%s: %s (%s)' % (EXIT_CODE[code], msg['body'], msg['created_on'])
    sys.exit(code)


def _get_message():
    message = {}

    api_json = urllib2.urlopen(GH_API_ROOT)
    api = json.load(api_json)

    if api['last_message_url']:
        last_message_json = urllib2.urlopen(api['last_message_url'])
        message = json.load(last_message_json)

    return message


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='check status of github.com')
    args = parser.parse_args()
    main(args)