def METHOD_NAME():
    """Activate Google SA if one is provided, else use the default account when launching gcloud commands."""
    credentials_file = os.getenv('GOOGLE_APPLICATION_CREDENTIALS')
    if credentials_file:
        subprocess.run([
            'gcloud',
            'auth',
            'activate-service-account',
            credentials.service_account_email,
            f'--key-file={credentials_file}'
        ]).check_returncode()