List AWS Lambda functions not associated with VPC

#lambda #python #aws #devops

AWS Lambdas has gained lot of popularity and most of the companies use them today.

For some of security requirements we might have a need where in you want to pull all lambdas that are not associated to VPC. script below can help you do that.

import boto3
from botocore.exceptions import ClientError

client = boto3.client('lambda')
response = client.list_functions()
for function in response['Functions']:
    try:
        response = client.get_function(
            FunctionName=function['FunctionName']
        )
        vpcid = response['Configuration']['VpcConfig']['VpcId']
    except KeyError:
        print("==>" + function['FunctionName'])
    except ClientError as e:
        print("[ERROR] Invoking Lambda Function" + e)