CloudWatch alarm to SNS in different region

Question

I\'m trying to notify an SNS topic from a CloudWatch alarm that\'s in a different region. The reason is that I want SMS alerting, which isn\'t available in the region where my

Answer 1

To add to @Tartaglia's answer, here's the source of such a lambda function using Python 3, cobbled together from various sources because I don't have time to do it properly:

import json
import logging

import boto3


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


session = boto3.Session(region_name='eu-west-1') # EU (Ireland)
sns_client = session.client('sns')


def lambda_handler(event, context):
    logger.info('Received event: %s', event)

    for record in event['Records']:
        sns_message = record['Sns']

        response = sns_client.publish(
            TopicArn='YOUR TOPIC ARN HERE',
            Subject=sns_message.get('Subject', None),
            Message=sns_message.get('Message', None))

        logger.info('Publish response: %s', response)

    return 'OK'