(alpha) Dynamic DNS using Rackspace Cloud DNS

update-clouddns.py

#!/usr/bin/env python

INTERVAL = 300

import clouddns
import requests

try:
    from gi.repository import GObject as gobject
except ImportError:
    import gobject


def get_outgoing_ip():
    result = requests.get('http://icanhazip.com/')
    return result.content.strip()


def Updater(cfg):
    dns = clouddns.connection.Connection(username=cfg['username'],
                                         api_key=cfg['api_key'])

    domain = dns.get_domain(name=cfg['domain'])
    record = domain.get_record(name=cfg['record'])

    self = {'stored_ip': bytes(record.data)}

    def sync_ip():
        ip = get_outgoing_ip()

        if self['stored_ip'] != ip:
            record.update(data=ip)
            self['stored_ip'] = ip

    def sync_ip_loop():
        sync_ip()
        gobject.timeout_add_seconds(INTERVAL, sync_ip_loop)

    def run():
        sync_ip_loop()
        gobject.MainLoop().run()

    return run

if __name__ == '__main__':
    import os.path
    import ConfigParser

    parser = ConfigParser.RawConfigParser()
    parser.read(os.path.expanduser('~/.config/update-clouddns.ini'))
    cfg = parser.defaults()
    updater = Updater(cfg)

    try:
        updater()
    except KeyboardInterrupt:
        exit(0)