Script to update a domain record in digital ocean.

DoceanDDNS.py

import json
import requests
import urllib
import socket

API_TOKEN ='AUTO_GENERATE_TOKEN_DIGITAL_OCEAN'
API_URL_BASE='HTTPS://api.digitalocean.com/v2/'
SUB_DOMAIN='sub-domain to update'
DOMAIN='domain'


headers = {'Content-Type': 'application/json',
           'Authorization': 'Bearer {}'.format(API_TOKEN)}


def Localip():
	return urllib.request.urlopen('https://ident.me').read().decode('utf8')


def Domainip(dominio):
	return socket.gethostbyname('{}'.format(dominio))


def Domain_info(SUB_DOMAIN,DOMAIN):
	API_URL = '{}domains/{}/records'.format(API_URL_BASE,DOMAIN)
	response = requests.get(API_URL, headers=headers)
	if response.status_code == 200:
		informacion = json.loads(response.content.decode('utf-8'))['domain_records']
		for k in informacion:
			if k['name'] == SUB_DOMAIN:
				return k
	else:
		return None


def update(DOMAIN_NAME,RECORD_ID,NEW_IP):
	API_URL_UPDATE = '{}domains/{}/records/{}'.format(API_URL_BASE,DOMAIN_NAME,RECORD_ID)
	data = '{"data":"'+NEW_IP+'"}'
	response = requests.put(API_URL_UPDATE, headers=headers, data=data)
	#print(response.content.decode('utf-8'))
	return 0


def main():
    domain = Domain_info(SUB_DOMAIN,DOMAIN)
    localIp = Localip()
    domainIp = Domainip(DOMAIN)
    if localIp != domainIp:
        if domain is not None and domain['type'] == 'A':
            response = update(DOMAIN, domain['id'],Localip())
        else:
            response = '[!] Request Failed:{}'.format(domain)
    elif Localip == Domainip:
        response = 'Nocambio'
    else:
        pass
    return response


if __name__ == '__main__':
	main()