serve.py: expose hostname, port as CLI options

ligo/scald/serve.py

@@ -519,6 +519,10 @@ def config_to_consumer(config):
 def _add_parser_args(parser):
     parser.add_argument('-b', '--backend', default='wsgiref',
                         help="chooses server backend. options: [cgi|wsgiref]. default=wsgiref.")
+    parser.add_argument('-p', '--port', type=int, default=8086,
+                        help="select port to serve content on server. default = 8086")
+    parser.add_argument('--hostname', default='localhost',
+                        help="select hostname to serve content on server. default = localhost.")
     parser.add_argument('-c', '--config',
                         help="sets dashboard/plot options based on yaml configuration. if not set, uses SCALDRC_PATH.")
     parser.add_argument('-e', '--with-cgi-extension', default=False, action='store_true',
@@ -540,6 +544,8 @@ def main(args=None):
         args = parser.parse_args()
 
     ### parse args and set up configuration
+    port = args.port
+    hostname = args.hostname
     server_backend = args.backend
     app_name = args.application_name
 
@@ -562,4 +568,7 @@ def main(args=None):
     app.config.update({'script_name': script_name, 'use_cgi': use_cgi})
 
     ### start server
-    bottle.run(app, server=server_backend, debug=True)
+    if use_cgi:
+        bottle.run(app, server=server_backend, debug=True)
+    else:
+        bottle.run(app, server=server_backend, host=hostname, port=port, debug=True)