Hooking up hostname and port to defaults and command line

airflow/bin/airflow

@@ -110,7 +110,7 @@ def webserver(args):
     print(settings.HEADER)
     from www.app import app
     print("Starting the web server on port {0}.".format(args.port))
-    app.run(debug=True, port=args.port)
+    app.run(debug=True, port=args.port, host=args.hostname)
 
 
 def master(args):
@@ -299,11 +299,17 @@ if __name__ == '__main__':
     parser_webserver = subparsers.add_parser('webserver', help=ht)
     parser_webserver.add_argument(
         "-p", "--port",
-        default=8080,
+        default=settings.WEB_SERVER_PORT,
         type=int,
         help="Set the port on which to run the web server")
     parser_webserver.set_defaults(func=webserver)
 
+    parser_webserver.add_argument(
+        "-hn", "--hostname",
+        default=settings.WEB_SERVER_HOST,
+        help="Set the hostname on which to run the web server")
+    parser_webserver.set_defaults(func=webserver)
+
     ht = "Start a master scheduler instance"
     parser_master = subparsers.add_parser('master', help=ht)
     parser_master.add_argument(

airflow/settings.py

@@ -31,6 +31,9 @@ LOG_FORMAT = \
 PRESTO_DEFAULT_DBID = "presto_default"
 HIVE_DEFAULT_DBID = "hive_default"
 
+WEB_SERVER_HOST = '0.0.0.0'
+WEB_SERVER_PORT = 8080
+
 Session = sessionmaker()
 #engine = create_engine('mysql://airflow:airflow@localhost/airflow')
 engine = create_engine('sqlite:///' + BASE_FOLDER + '/airflow.db' )