Extra links supported for operators coming from third-party packages:

airflow.serialization.serialized_objects.BUILTIN_OPERATOR_EXTRA_LINKS

airflow/cli/cli_parser.py
)
ARG_WORKERS = Arg(
    ("-w", "--workers"),
    default=conf.get('webserver', 'WORKERS'),
    type=int,
    help="Number of workers to run the webserver on",
)
ARG_WORKERCLASS = Arg(
    ("-k", "--workerclass"),
    default=conf.get('webserver', 'WORKER_CLASS'),
    choices=['sync', 'eventlet', 'gevent', 'tornado'],
    help="The worker class to use for Gunicorn",
)
ARG_WORKER_TIMEOUT = Arg(
    ("-t", "--worker-timeout"),
    default=conf.get('webserver', 'WEB_SERVER_WORKER_TIMEOUT'),
    type=int,
    help="The timeout for waiting on webserver workers",
)
ARG_HOSTNAME = Arg(
    ("-H", "--hostname"),
    default=conf.get('webserver', 'WEB_SERVER_HOST'),
    help="Set the hostname on which to run the web server",
)
ARG_DEBUG = Arg(
    ("-d", "--debug"), help="Use the server that ships with Flask in debug mode", action="store_true"
)
ARG_ACCESS_LOGFILE = Arg(
    ("-A", "--access-logfile"),
    default=conf.get('webserver', 'ACCESS_LOGFILE'),