def get_service_account_credentials(file="service-account.json"):
    """Get service account from base64 encoded environment variable, if a local file is not found"""
    if os.path.exists(file):
        # This local file will be used by the google client library
        logger.info("Local service account file found, using it for authentication.")
        return
    else:
        # Get the service account from the base64 encoded environment variable
        encoded_service_account = os.environ.get("SERVICE_ACCOUNT_JSON", None)
        if encoded_service_account is None:
            raise ValueError("SERVICE_ACCOUNT_JSON environment variable not set")
        else:
            # Write the service account to the local file for use by the google client library
            logger.info("Writing service account to local file for authentication.")
            with open(file, "w") as f:
                f.write(base64.b64decode(encoded_service_account).decode("utf-8"))

def get_service_account_credentials(file="service-account.json"):
    """Get service account from base64 encoded environment variable, if a local file is not found"""
    if os.path.exists(file):
        # This local file will be used by the google client library
        logger.info("Local service account file found, using it for authentication.")
        return
    else:
        # Get the service account from the base64 encoded environment variable
        encoded_service_account = os.environ.get("SERVICE_ACCOUNT_JSON", None)
        if encoded_service_account is None:
            raise ValueError("SERVICE_ACCOUNT_JSON environment variable not set")
        else:
            # Write the service account to the local file for use by the google client library
            logger.info("Writing service account to local file for authentication.")
            with open(file, "w") as f:
                f.write(base64.b64decode(encoded_service_account).decode("utf-8"))