def METHOD_NAME():
    from jupyterhub.app import main
    import sys
    import os
    import subprocess
    if 'JUPYTERHUB_CRYPT_KEY' not in os.environ:
        crypt_key = config.north.jupyterhub_crypt_key
        if crypt_key is None:
            crypt_key = subprocess.check_output('openssl rand -hex 32'.split(' ')).decode().strip('\n')
        os.environ['JUPYTERHUB_CRYPT_KEY'] = crypt_key
    config.meta.service = 'hub'
    sys.exit(main(argv=['-f', 'nomad/jupyterhub_config.py', '--Application.log_level=INFO']))