Change A Name Record on Aws Route53 automatically detecting IP address of device you are running the code on. Use this as a DDNS feature if you have a dynamic IP and want to Host a website and do Port Forwarding.

ddns_route53.py

import boto3
import socket
import datetime,time

ACCESS_KEY_ID = 'YOUR_ACCESS_KEY'
ACCESS_SECRET_KEY = 'YOUR_SECRET_KEY'
HOSTED_ZONE_ID = "Find this in route53"

def get_ip_address():
	import urllib2  
	req = urllib2.Request('http://icanhazip.com', data=None)  
	response = urllib2.urlopen(req, timeout=5)
	IP = str(response.read())
	IP = IP.split('\n')
	print(IP[0])
	print("----")

	return str(IP[0])


def log(STATUS):
	LOG = "log.txt"
	STR = str(datetime.datetime.now()) + " | "+  str(STATUS)
	with open (LOG, 'a') as f: f.write (STR + '\n')
	print(STR)



client = boto3.client('route53',aws_access_key_id=ACCESS_KEY_ID,aws_secret_access_key=ACCESS_SECRET_KEY)

def add_cname_record(source, target):
	try:
		response = client.change_resource_record_sets(
		HostedZoneId= HOSTED_ZONE_ID,
		ChangeBatch= {
						'Comment': 'add %s -> %s' % (source, target),
						'Changes': [
							{
							 'Action': 'UPSERT',
							 'ResourceRecordSet': {
								 'Name': source,
								 'Type': 'A',
								 'TTL': 300,
								 'ResourceRecords': [{'Value': target}]
							}
						}]
		})
	except Exception as e:
		log(e)

while True:
	add_cname_record("www.yourwebsite.com", get_ip_address())
	add_cname_record("yourwebsite.com", get_ip_address())
	log("UPDATED DOMAIN IP")
	time.sleep(1800)