Update gandi domain with dynamic IP from orange (livebox3). who needs dyndns =B. Usage: ./gandiDynamicIP.py

gandiDynamicIP.py

#!/usr/bin/env python
#
# Update ip of a domain like dyndns would but on gandi
#
# author: Zougi

import urllib, urllib2, json
from livebox3IP import externalIP

def getIP(domain, apikey):
    opener = urllib2.build_opener(urllib2.HTTPHandler)

    data = json.dumps({ 'rrset_ttl': '300', 'rrset_values': [ ip ] })
    headers = {"X-Api-Key": apikey, "Content-Type": "application/json"}
    url = "https://dns.api.gandi.net/api/v5/domains/%s/records/%s/%s" % (domain, urllib.quote('@'), 'A')
    request = urllib2.Request(url, data, headers)
    request.get_method = lambda: 'GET'
    conn = opener.open(request)
    assert conn.code == 200, "request failed with %r" % conn.code
    data = conn.read()
    datas = json.loads(data)
    conn.close()
    return datas['rrset_values'][0]

def updateIP(domain, ip, apikey):
    opener = urllib2.build_opener(urllib2.HTTPHandler)

    data = json.dumps({ 'rrset_ttl': '300', 'rrset_values': [ ip ] })
    headers = {"X-Api-Key": apikey, "Content-Type": "application/json"}
    url = "https://dns.api.gandi.net/api/v5/domains/%s/records/%s/%s" % (domain, urllib.quote('@'), 'A')
    request = urllib2.Request(url, data, headers)
    request.get_method = lambda: 'PUT'
    conn = opener.open(request)
    assert conn.code == 201, "request failed with %r" % conn.code
    conn.close()

if __name__ == "__main__":
    import sys, argparse
    
    parser = argparse.ArgumentParser()
    parser.add_argument('--gandiApiKey', nargs=1, help='the API KEY to call gandi REST services')
    parser.add_argument('--liveboxPass', nargs=1, help='the password to livebox administration')
    parser.add_argument('domain', nargs=1, help='the domain to update')
    args = parser.parse_args()

    if args.domain == None or args.gandiApiKey == None or args.liveboxPass == None:
        print "missing parameter..."
        parser.print_help()
        sys.exit(1)
    else:
        domain = args.domain[0]
        apikey = args.gandiApiKey[0]
        password = args.liveboxPass[0]

    ip = externalIP(password)
    print "current ip is %s" % ip
    gandiIp = getIP(domain, apikey)
    print "ip on gandi is %s" % gandiIp
    if gandiIp != ip:
        updateIP(domain, ip, apikey)
        print "ip updated to %r" % ip
    else:
        print "ip already up to date"

livebox3IP.py

#!/usr/bin/env python
#
# Get IP from livebox 3
#
# author: Zougi

import urllib, urllib2, cookielib, json

def externalIP(password):
    cj = cookielib.CookieJar()
    opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))

    data = json.dumps({ 'username': 'admin', 'password': password })
    headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "*/*"}

    request = urllib2.Request("http://192.168.1.1/authenticate?username=admin&password=%s" % urllib.quote(password), data, headers)
    conn = opener.open(request)
    assert conn.code == 200, "request failed with %r" % conn.code
    conn.close()

    request = urllib2.Request("http://192.168.1.1/sysbus/NMC:getWANStatus", '{"parameters":{}}')
    conn = opener.open(request)
    data = conn.read()
    datas = json.loads(data)
    conn.close()
    return datas['data']['IPAddress']

if __name__ == "__main__":
    import sys
    print externalIP(sys.argv[1])

Crontab example:

* */15 * * * /root/gandiDynamicIP.py mydomain.io --liveboxPass 'myadministrationpassword' --gandiApiKey apikeyfromgandi > /dev/null