turn_off.py

import logging
import os
import boto3

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

def turn_off_instances(instance_ids):
  ec2 = boto3.client('ec2', region_name=region)
  ec2.stop_instances(InstanceIds=instance_ids)
  logger.info(f'Instance stopped')

def lambda_handler(event, context):

    logger.info(f'event info: {event}')

    global region
    region = 'eu-east-1'

    instance_ids = ["test-instance-id-1245"]

    turn_off_instances(instance_ids)

    return {
        'statusCode': 200,
    }