Limited retries to reset consoles after reboot or halt or whatever disconnects...

app/node_modules/angular-no-vnc/index.js

@@ -41,7 +41,15 @@ export default angular.module('no-vnc', [])
       this.width = width
     })
 
+    const retrySteps = {
+      0: 1000,
+      1: 3000,
+      2: 5000,
+      3: 5000
+    }
+    let retryStep = 0
     let rfb
+    let reconnectTry
     function clean () {
       // If there was a previous connection.
       if (rfb) {
@@ -73,10 +81,19 @@ export default angular.module('no-vnc', [])
       })
 
       rfb._onUpdateState = (rfb, state) => {
+        if (state === 'normal') {
+          retryStep = 0
+          if (reconnectTry) {
+            $timeout.cancel(reconnectTry)
+            reconnectTry = undefined
+          }
+        }
         if (state !== 'disconnected') {
           return
         }
-        $timeout(() => reset(url), 1000)
+        if (retryStep in retrySteps) {
+          reconnectTry = $timeout(() => reset(url), retrySteps[retryStep++])
+        }
       }
 
       // Connect.