AMBARI-3943. Installer: config-group host membership in one service effects others. (Denys Buzhor via onechiporenko)

ambari-web/app/controllers/main/service/manage_config_groups_controller.js

@@ -210,7 +210,7 @@ App.ManageConfigGroupsController = Em.Controller.extend({
    * add hosts callback
    */
   addHostsCallback: function (selectedHosts) {
-    var group = this.get('selectedConfigGroup');    
+    var group = this.get('selectedConfigGroup');
     if (selectedHosts) {
       var defaultHosts = group.get('parentConfigGroup.hosts');
       var configGroupHosts = group.get('hosts');

ambari-web/app/controllers/wizard/step7_controller.js

@@ -160,7 +160,7 @@ App.WizardStep7Controller = Em.Controller.extend({
             name: "Default",
             description: "Default cluster level " + service.serviceName + " configuration",
             isDefault: true,
-            hosts: hosts,
+            hosts: Em.copy(hosts),
             service: Em.Object.create({
               id: service.serviceName
             })