def update()

in aws_sra_examples/solutions/common/common_register_delegated_administrator/lambda/src/app.py [0:0]

• 24 lines of code
• 10 McCabe index (conditional complexity)

def update(event, _):
    """
    CloudFormation Update Event
    :param event:
    :param _:
    :return:
    """
    logger.info(f"Update Event: {event}")
    try:
        check_parameters(event)
        params = event.get("ResourceProperties")
        aws_service_principal_list = [value.strip() for value in params.get("AWS_SERVICE_PRINCIPAL_LIST", "")
                                      if value != '']
        check_service_principals(aws_service_principal_list)

        old_params = event.get("OldResourceProperties")
        old_aws_service_principal_list = [value.strip() for value in old_params.get("AWS_SERVICE_PRINCIPAL_LIST", "")
                                          if value != '']
        add_list = list(set(aws_service_principal_list) - set(old_aws_service_principal_list))
        remove_list = list(set(old_aws_service_principal_list) - set(aws_service_principal_list))

        if add_list:
            for aws_service_principal in add_list:
                enable_aws_service_access(aws_service_principal)
                register_delegated_administrator(params.get("DELEGATED_ADMIN_ACCOUNT_ID", ""), aws_service_principal)

        if remove_list:
            for aws_service_principal in remove_list:
                deregister_delegated_administrator(params.get("DELEGATED_ADMIN_ACCOUNT_ID", ""), aws_service_principal)
                disable_aws_service_access(aws_service_principal)
    except Exception as error:
        logger.error(f"Exception: {error}")
        raise ValueError("Error updating delegated administrators")