DDNS With LibCloud (Python)

libcloud_ddns.py

#!/usr/bin/env python
##
#    DNS Updater
#         
#    Manipulates DNS using APIs, sets to current IP if different
#       @replaces   dyndns.org
#    
#    @author     David Lasley <dave@dlasley.net>
#    @package    toolbox
#    @license    GPLv3 (http://www.gnu.org/licenses/gpl-3.0.html)
#    @url        https://blog.dlasley.net/2013/08/ddns-using-libcloud-edgerouter/

import urllib2
from libcloud.dns.types import Provider
from libcloud.dns.providers import get_driver

#
#   Edit Here
#

USERNAME = 'ENTER_YOUR_USERNAME'
API_KEY = 'ENTER_YOUR_API_KEY'
cls = get_driver(Provider.RACKSPACE_US) #< Provider driver, https://ci.apache.org/projects/libcloud/docs/supported_providers.html#id98
dynamic_zones = { #< These zones will be edited - {zone_domain_name:[alter_records]}
    'dlasley.net' : [ #< Zone domain name
        'vpn', 'server', 'puppet', 'test' #< List of record names to alter
    ]
}

#
#   Stop Editing
#

IP = urllib2.urlopen('http://ifconfig.me/ip').read().strip()
driver = cls(USERNAME, API_KEY)
edit_record_type = driver._string_to_record_type('A')

for zone in driver.list_zones():
    try:
        active_zone = dynamic_zones[zone.domain]
        for record in driver.list_records(zone):
            if record.name in active_zone:
                if record.data != IP:
                    if record.type == edit_record_type:
                        driver.update_record(record, record.name, record.type,
                                             IP, record.extra)
                        print '%s.%s Updated From %s to %s' % (
                            zone.domain, record.name, record.data, IP
                        )
                else:
                    pass
    except KeyError:
        pass
        
    print 'Success!'