godaddy_dns_sync.py

# Run with:
# env GODADDY_PASSWORD=secret LIBERO_PASSWORD=secret LIBERO_EMAIL=secret FATAL_EMAIL=secret ./bin/python sync.py

import sys
import os
import logging
import logging.handlers
import pif
import pygodaddy


LIBERO_EMAIL = os.environ['LIBERO_EMAIL']
LIBERO_PASSWORD = os.environ['LIBERO_PASSWORD']
FATAL_EMAIL = os.environ['FATAL_EMAIL']
GODADDY_PASSWORD = os.environ['GODADDY_PASSWORD']


def init_logging():
    formatter = logging.Formatter('%(asctime)s %(levelname)s:%(name)s:%(message)s')

    stream_handler = logging.StreamHandler()
    stream_handler.setFormatter(formatter)
    stream_handler.setLevel(logging.DEBUG)
    logging.root.addHandler(stream_handler)

    log_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'log.txt')
    file_handler = logging.handlers.RotatingFileHandler(log_path, maxBytes=1024*1024, backupCount=1)
    file_handler.setFormatter(formatter)
    file_handler.setLevel(logging.INFO)
    logging.root.addHandler(file_handler)

    smtp_handler = logging.handlers.SMTPHandler('smtp.libero.it', LIBERO_EMAIL, FATAL_EMAIL, 'home.gherardi.me sync error', credentials=(LIBERO_EMAIL, LIBERO_PASSWORD))
    smtp_handler.setFormatter(formatter)
    smtp_handler.setLevel(logging.CRITICAL)
    logging.root.addHandler(smtp_handler)

    # syslog_handler = logging.handlers.SysLogHandler(address='/dev/log')
    # syslog_handler.setFormatter(formatter)
    # syslog_handler.setLevel(logging.INFO)
    # logging.root.addHandler(syslog_handler)

    logging.root.setLevel(logging.DEBUG)
    logging.getLogger('requests').setLevel(logging.WARNING)


def update_godaddy_dns():
    username = 'gimmi'
    domain = 'gherardi.me'
    subdomain = 'home'

    logging.info('Starting DNS update')

    client = pygodaddy.GoDaddyClient()

    if not client.login(username, GODADDY_PASSWORD):
        raise Exception('Unable to login in godaddy with user %s' % username)

    current_public_ip = pif.get_public_ip()
    dns_ip = client.find_dns_records(domain)
    dns_ip = filter(lambda x: x.hostname == subdomain, dns_ip)
    dns_ip = dns_ip[0].value

    logging.info('%s.%s: %s => %s', subdomain, domain, dns_ip, current_public_ip)

    if dns_ip != current_public_ip:
        if not client.update_dns_record(subdomain + '.' + domain, current_public_ip):
            raise Exception('Unable update IP for %s' % domain)

    logging.info('Succesfully completed')

if __name__ == '__main__':
    try:
        init_logging()
        update_godaddy_dns()
    except Exception as e:
        logging.fatal('Unable to complete', exc_info=e)
        sys.exit(1)

requirements.txt

argparse==1.2.1
distribute==0.6.24
pif==0.7.1
pygodaddy==0.1.7
requests==2.5.1
wsgiref==0.1.2