fix port definition

Author: enriquetomasmb

nebula/controller.py

@@ -334,12 +334,12 @@ def __init__(self, args):
         self.start_date_scenario = None
         self.federation = args.federation if hasattr(args, "federation") else None
         self.topology = args.topology if hasattr(args, "topology") else None
-        self.controller_port = args.controllerport if hasattr(args, "controllerport") else 5000
-        self.waf_port = args.wafport if hasattr(args, "wafport") else 6000
-        self.frontend_port = args.webport if hasattr(args, "webport") else 6060
-        self.grafana_port = args.grafanaport if hasattr(args, "grafanaport") else 6040
-        self.loki_port = args.lokiport if hasattr(args, "lokiport") else 6010
-        self.statistics_port = args.statsport if hasattr(args, "statsport") else 8080
+        self.controller_port = int(args.controllerport) if hasattr(args, "controllerport") else 5000
+        self.waf_port = int(args.wafport) if hasattr(args, "wafport") else 6000
+        self.frontend_port = int(args.webport) if hasattr(args, "webport") else 6060
+        self.grafana_port = int(args.grafanaport) if hasattr(args, "grafanaport") else 6040
+        self.loki_port = int(args.lokiport) if hasattr(args, "lokiport") else 6010
+        self.statistics_port = int(args.statsport) if hasattr(args, "statsport") else 8080
         self.simulation = args.simulation
         self.config_dir = args.config
         self.db_dir = args.databases if hasattr(args, "databases") else "/opt/nebula"