[GetTemplate] - Deep copy maps in constructor

* Deep copy maps in GetTemplate constructor to avoid modifications of the original maps

* Utils mark mapDeepCopy as NonCPS

Author: kubajx29

src/tech/pxfd/GetTemplate.groovy

@@ -15,8 +15,8 @@ class GetTemplate {
   GetTemplate(def context, Map conatinersConf, Map podConf) {
     this.context = context
 
-    this.conatinersConf = conatinersConf
-    this.podConf = podConf
+    this.conatinersConf = Utils.mapDeepCopy(conatinersConf)
+    this.podConf = Utils.mapDeepCopy(podConf)
   }
 
   String render() {

src/tech/pxfd/Utils.groovy

@@ -42,6 +42,7 @@ class Utils {
             this.context.error("ERROR " + msg)
     }
 
+    @NonCPS
     public static final Map mapDeepCopy(Map originalMap) {
         return new JsonSlurper().parseText(JsonOutput.toJson(originalMap))
     }