find deprecated AWS Lambda functions

find_deprecated_lambda_functions

#!/usr/bin/env python
# prints all nodejs 0.1 functions, which will cease to function soon

import logging

import boto3
import botocore


def main():
    logging.basicConfig(level=logging.INFO)
    logger = logging.getLogger(__name__)

    ec2_client = boto3.client('ec2', region_name='us-east-1')
    ec2_regions = [
        x['RegionName'] for x in ec2_client.describe_regions()['Regions']
    ]
    for region in ec2_regions:
        lambda_client = boto3.client('lambda', region_name=region)
        try:
            print(
                [
                    function['FunctionArn']
                    for function in lambda_client.list_functions()['Functions']
                    if function['Runtime'] == 'nodejs'
                ]
            )
        except botocore.exceptions.EndpointConnectionError as err:
            print(err)


if __name__ == '__main__':
    main()