fixed

html5/kubeinvaders.js

@@ -93,7 +93,7 @@ function loadSavedPreset(tool, lang) {
     var oReq = new XMLHttpRequest();
     oReq.onreadystatechange = function () {
         if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
-            if (this.responseText != "null") {
+            if (this.responseText != "") {
                 $("#currentLoadTest").text(this.responseText);
             } 
         }
@@ -120,7 +120,7 @@ function savePreset() {
 jobs:
   ${presetName}:
     additional-labels:
-      create-by: "kubeinvaders"
+      create-by: kubeinvaders
       load-preset: ${presetName}
       preset-lang: ${presetLang}
     image: docker.io/luckysideburn/chaos-exec:latest

nginx/KubeInvaders.conf

@@ -140,7 +140,7 @@ server {
       local res, err = red:get(keyname)
 
       if res == ngx.null then
-        ngx.say("null")
+        ngx.say("")
       else
         ngx.say(payload)
       end