AWS Lambda Python url request

Web call in Lambda Python 

...without using requests from botocore.vendored module

Recently, it became not possible to use request module from botocore.vendored. So here is a workaround and a handy little ditty to test your network configuration from inside your Lambda function.

I use a Lambda variable called 'hostname'

import json
import socket
import os
import urllib.request


def lambda_handler(event, context):
    # TODO implement
    ABOUTME = socket.gethostname()    
    MYIP = socket.gethostbyname(ABOUTME)   
    print("About me...")
    print(ABOUTME, "=>", MYIP)
    
    print("Check outside connection...")
    HOSTNAME = os.environ['hostname']
    IP = socket.gethostbyname(HOSTNAME)
    print(HOSTNAME, "=>",IP)
    
    URL = "https://api.ipify.org?format=json"
    req = urllib.request.Request(URL)
    response = urllib.request.urlopen(req)
    output = response.read().decode('utf8')
    fromOutsideIP = json.loads(output)["ip"]
    print('Your advertised source IP is',fromOutsideIP)
    
    return {
        'statusCode': 200,
        'body': ('Done')
    }