A lambda function intended to be triggered by S3 object creations made by Appveyor S3 deployments

appveyor_lambda_codedeploy.py

import boto3

client = boto3.client('codedeploy')


def lambda_handler(event, context):
    s3_event = event['Records'][0].get('s3')
    bucket_name = s3_event['bucket']['name']
    key = s3_event['object']['key']
    etag = s3_event['object']['eTag']
    application_name, deployment_group, version, filename = key.split('/')
    bundle_type = filename.split('.')[-1].lower()
    s3_location = {
        'bucket': bucket_name,
        'key': key,
        'bundleType': bundle_type,
        'eTag': etag
    }
    response = client.create_deployment(
        applicationName=application_name,
        deploymentGroupName=deployment_group,
        revision={
            'revisionType': 'S3',
            's3Location': s3_location,
        },
        description='Appveyor automatic deployment via lambda'
    )
    return response