[cli] Deprecating gunicorn/flower dependencies (#4451)

superset/cli.py

@@ -48,15 +48,15 @@ def init():
 @manager.option(
     '-w', '--workers',
     default=config.get('SUPERSET_WORKERS', 2),
-    help='Number of gunicorn web server workers to fire up')
+    help='Number of gunicorn web server workers to fire up [DEPRECATED]')
 @manager.option(
     '-t', '--timeout', default=config.get('SUPERSET_WEBSERVER_TIMEOUT'),
-    help='Specify the timeout (seconds) for the gunicorn web server')
+    help='Specify the timeout (seconds) for the gunicorn web server [DEPRECATED]')
 @manager.option(
     '-s', '--socket', default=config.get('SUPERSET_WEBSERVER_SOCKET'),
     help='Path to a UNIX socket as an alternative to address:port, e.g. '
          '/var/run/superset.sock. '
-         'Will override the address and port values.')
+         'Will override the address and port values. [DEPRECATED]')
 def runserver(debug, use_reloader, address, port, timeout, workers, socket):
     """Starts a Superset web server."""
     debug = debug or config.get('DEBUG')
@@ -75,6 +75,9 @@ def runserver(debug, use_reloader, address, port, timeout, workers, socket):
             debug=True,
             use_reloader=use_reloader)
     else:
+        logging.info(
+            "The Gunicorn 'superset runserver' command is deprecated. Please "
+            "use the 'gunicorn' command instead.")
         addr_str = ' unix:{socket} ' if socket else' {address}:{port} '
         cmd = (
             'gunicorn '
@@ -285,6 +288,9 @@ def update_datasources_cache():
     help='Number of celery server workers to fire up')
 def worker(workers):
     """Starts a Superset worker for async SQL query execution."""
+    logging.info(
+        "The 'superset worker' command is deprecated. Please use the 'celery "
+        "worker' command instead.")
     if workers:
         celery_app.conf.update(CELERYD_CONCURRENCY=workers)
     elif config.get('SUPERSET_CELERY_WORKERS'):
@@ -315,6 +321,9 @@ def flower(port, address):
         '--port={port} '
         '--address={address} '
     ).format(**locals())
+    logging.info(
+        "The 'superset flower' command is deprecated. Please use the 'celery "
+        "flower' command instead.")
     print(Fore.GREEN + 'Starting a Celery Flower instance')
     print(Fore.BLUE + '-=' * 40)
     print(Fore.YELLOW + cmd)