force polling for terminal

app/package.json

@@ -11,7 +11,7 @@
     "cors": "^2.8.5",
     "express": "^4.21.2",
     "http-proxy-middleware": "^2.0.7",
-    "socket.io": "^4.7.2",
+    "socket.io": "4.7.2",
     "ssh2": "^1.14.0",
     "xterm": "^5.3.0"
   },

app/public/js/components/terminal-service.js

@@ -153,7 +153,8 @@ function connectToSocketIO() {
     socket = io('/ssh', {
         forceNew: true,
         reconnectionAttempts: 1000,
-        timeout: 1000
+        timeout: 1000,
+        transports: ['polling'] // force polling for now to avoid invalid frame error , TODO: fix this
     });
     console.log('Creating new socket connection to SSH server');
     
@@ -199,6 +200,12 @@ function connectToSocketIO() {
         if (terminal) {
             terminal.writeln(`\r\n\x1b[1;31m[ERROR]\x1b[0m ${err.message}\r\n`);
         }
+        // try to reconnect
+        setTimeout(() => {
+            if (socket && !socket.connected) {
+                socket.connect();
+            }
+        }, 2000);
     });
     
     // Handle SSH data with processing for ANSI codes

docker-compose.yaml

@@ -212,7 +212,7 @@ services:
       - LOG_LEVEL=info
       - REDIS_HOST=redis
       - REDIS_PORT=6379
-      - TRACK_METRICS=false # based on the environment variable TRACK_METRICS, the facilitator will send metrics to the metric server
+      - TRACK_METRICS=true # based on the environment variable TRACK_METRICS, the facilitator will send metrics to the metric server
     restart: unless-stopped
     depends_on:
       - jumphost

nginx/default.conf

@@ -20,23 +20,6 @@ server {
     proxy_cache_bypass $http_upgrade;
   }
 
-  location /ssh/socket.io/ {
-      proxy_pass http://webapp:3000/ssh/socket.io/;
-
-      proxy_http_version 1.1;
-      proxy_set_header Upgrade $http_upgrade;
-      proxy_set_header Connection "upgrade";
-      proxy_set_header Host $host;
-      proxy_cache_bypass $http_upgrade;
-
-      proxy_read_timeout 86400;
-      proxy_send_timeout 86400;
-
-      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-      proxy_set_header X-Real-IP $remote_addr;
-      proxy_buffering off;
-  }
-
   # Facilitator API endpoint
   location /facilitator/api/ {
     proxy_pass http://facilitator:3000/api/;