Only add nodes to pool after successful auth

src/index.js

@@ -79,8 +79,6 @@ app.post("/jobs", async (req, res) => {
 
 wss.on('connection', function connection(ws) {
   var nodeID = uuid.v4();
-  ws.nodeID = nodeID;
-  nodes[nodeID] = ws
   console.log("New connection from", nodeID)
   ws.on('error', console.error);
 
@@ -89,11 +87,14 @@ wss.on('connection', function connection(ws) {
     
     if(request["register"]){
       if(request["register"]["auth_key"] !== process.env.NODE_AUTH_KEY) {
+        nodeID = `${nodeID}-${request["register"]["hostname"]}`;
         console.log("INVALID AUTH KEY. Disconnecting ", nodeID);
         ws.close(4000, "Invalid auth key");
         return;
       }
       ws.send(JSON.stringify({"welcome": { "clientId": nodeID }}));
+      ws.nodeID = nodeID;
+      nodes[nodeID] = ws
       console.log("Node registered", nodeID);
     }