Lambda function to check for Internet access

lambda_internet.py

import logging
import os
import socket

logger = logging.getLogger()
logger.setLevel(logging.INFO)

# use static IP of public DNS (e.g., 8.8.8.8)
IP = os.environ['ip']  

def check_internet_access(host=IP, port=53, timeout=2):
  try:
    socket.setdefaulttimeout(timeout)
    socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect((host, port))
    return True
  except socket.error as ex:
    logger.error(ex)
    return False