fix(loadtest): added retry with wss to avoid browser security errors

services/loadtest/static/index.html

@@ -263,13 +263,24 @@
 
         function setupWebSocket ()
         {
-            const wsUrl = 'ws://' + window.location.host + '/ws'
-            ws = new WebSocket( wsUrl )
+            let wsUrl = 'ws://' + window.location.host + '/ws'
+            let triedSecure = false
 
+            function connect ( url )
+            {
+                ws = new WebSocket( url )
                 ws.onopen = () => console.log( 'WebSocket connected' )
                 ws.onclose = () => console.log( 'WebSocket disconnected' )
-            ws.onerror = ( error ) => console.error( 'WebSocket error:', error )
-
+                ws.onerror = ( error ) =>
+                {
+                    console.error( 'WebSocket error:', error )
+                    if ( !triedSecure )
+                    {
+                        triedSecure = true
+                        wsUrl = 'wss://' + window.location.host + '/ws'
+                        connect( wsUrl )
+                    }
+                }
                 ws.onmessage = ( event ) =>
                 {
                     const data = JSON.parse( event.data )
@@ -306,6 +317,9 @@
                 }
             }
 
+            connect( wsUrl )
+        }
+
         function setRunningState ()
         {
             isRunning = true