manage.py 文件源码

def gunicorn(ec):
    cmd = [
        "%s/env/bin/gunicorn" % PROJECT_PATH,
        "--chdir",
        APP_PATH,
        "api:application",
        "--worker-class",
        ec.gunicorn_worker_type,
        "-b",
        ec.gunicorn_bind,
        "--log-level",
        ec.logging_level.lower(),
        "-w",
        "%s" % ec.gunicorn_workers,
        "-c",
        gunicorn_conf.__file__
    ]
    if not os.getenv('prometheus_multiproc_dir', None):
        os.environ["prometheus_multiproc_dir"] = ec.prometheus_multiproc_dir
    fs_gunicorn_cleaning()

    p = multiprocessing.Process(target=lambda: os.execve(cmd[0], cmd, os.environ))

    def stop(signum, frame):
        print("terminating %d" % p.pid)
        p.terminate()

    print("starting gunicorn: %s" % " ".join(cmd))
    p.start()
    with open(ec.gunicorn_pid_file, "w") as f:
        f.write("%d" % p.pid)
    for sig in [signal.SIGINT, signal.SIGTERM]:
        signal.signal(sig, stop)
    p.join()
    fs_gunicorn_cleaning()