Merge pull request #9351 from nart4hire/fix-ngrok-recreate-tunnel

Fix Ngrok recreating tunnels every reload

modules/ngrok.py

@@ -13,6 +13,18 @@ def connect(token, port, region):
     config = conf.PyngrokConfig(
         auth_token=token, region=region
     )
+    
+    # Guard for existing tunnels
+    existing = ngrok.get_tunnels(pyngrok_config=config)
+    if existing:
+        for established in existing:
+            # Extra configuration in the case that the user is also using ngrok for other tunnels
+            if established.config['addr'][-4:] == str(port):
+                public_url = existing[0].public_url
+                print(f'ngrok has already been connected to localhost:{port}! URL: {public_url}\n'
+                    'You can use this link after the launch is complete.')
+                return
+    
     try:
         if account is None:
             public_url = ngrok.connect(port, pyngrok_config=config, bind_tls=True).public_url