From 7b1a0041629387295ae35b78a47a285abcd24208 Mon Sep 17 00:00:00 2001
From: Alex Antonenko <hiveww@gmail.com>
Date: Fri, 21 Oct 2016 22:09:38 +0300
Subject: AMBARI-18648. There were no labels on fields on step "Configure
 Kerberos" after clicking back	 (alexantonenko)

---
 ambari-web/app/controllers/main/admin/kerberos/step2_controller.js  | 2 +-
 ambari-web/app/utils/config.js                                      | 6 ++++--
 .../test/controllers/main/admin/kerberos/step2_controller_test.js   | 2 ++
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/ambari-web/app/controllers/main/admin/kerberos/step2_controller.js b/ambari-web/app/controllers/main/admin/kerberos/step2_controller.js
index dbea0b2c0d..992fd345d3 100644
--- a/ambari-web/app/controllers/main/admin/kerberos/step2_controller.js
+++ b/ambari-web/app/controllers/main/admin/kerberos/step2_controller.js
@@ -97,7 +97,7 @@ App.KerberosWizardStep2Controller = App.WizardStep7Controller.extend(App.KDCCred
     App.config.setPreDefinedServiceConfigs(this.get('addMiscTabToPage'));
     var stored = this.get('content.serviceConfigProperties');
 
-    this.set('configs', stored || this.getKerberosConfigs());
+    this.set('configs', stored ? App.config.mergeStoredValue(this.getKerberosConfigs(), stored) : this.getKerberosConfigs());
 
     this.filterConfigs(this.get('configs'));
     if (!this.get('wizardController.skipClientInstall')) {
diff --git a/ambari-web/app/utils/config.js b/ambari-web/app/utils/config.js
index 3dd89268c3..40f5d8791a 100644
--- a/ambari-web/app/utils/config.js
+++ b/ambari-web/app/utils/config.js
@@ -1154,16 +1154,18 @@ App.config = Em.Object.create({
    * Merge values in "stored" to "base" if name matches, it's a value only merge.
    * @param base {Array} Em.Object
    * @param stored {Array} Object
+   * @returns {Object[]|Em.Object[]} base
    */
   mergeStoredValue: function(base, stored) {
     if (stored) {
       base.forEach(function (p) {
-        var sp = stored.filterProperty("filename", p.filename).findProperty("name", p.name);
+        var sp = stored.filterProperty('filename', p.filename).findProperty('name', p.name);
         if (sp) {
-          p.set("value", sp.value);
+          Em.set(p, 'value', Em.get(sp, 'value'));
         }
       });
     }
+    return base;
   },
 
 
diff --git a/ambari-web/test/controllers/main/admin/kerberos/step2_controller_test.js b/ambari-web/test/controllers/main/admin/kerberos/step2_controller_test.js
index dd8263ebb6..2e603da3c2 100644
--- a/ambari-web/test/controllers/main/admin/kerberos/step2_controller_test.js
+++ b/ambari-web/test/controllers/main/admin/kerberos/step2_controller_test.js
@@ -212,6 +212,7 @@ describe('App.KerberosWizardStep2Controller', function() {
       }]);
       sinon.stub(controller, 'clearStep');
       sinon.stub(App.config, 'setPreDefinedServiceConfigs');
+      sinon.stub(App.config, 'mergeStoredValue');
       sinon.stub(controller, 'filterConfigs');
       sinon.stub(controller, 'getKerberosConfigs');
       sinon.stub(controller, 'initializeKDCStoreProperties');
@@ -233,6 +234,7 @@ describe('App.KerberosWizardStep2Controller', function() {
       this.mockStackService.restore();
       controller.clearStep.restore();
       App.config.setPreDefinedServiceConfigs.restore();
+      App.config.mergeStoredValue.restore();
       controller.filterConfigs.restore();
       controller.getKerberosConfigs.restore();
       controller.initializeKDCStoreProperties.restore();
-- 
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