AMBARI-2946. YARN_CLIENT needs to be installed on NAGIOS_SERVER host to allow Oozie smoke test to run properly. (yusaku)

ambari-web/app/controllers/wizard/step8_controller.js

@@ -1185,7 +1185,6 @@ App.WizardStep8Controller = Em.Controller.extend({
                 hostNames.pushObject(_masterHost.hostName);
               }, this);
               break;
-
             case 'HIVE_CLIENT':
               //install HIVE client on NAGIOS_SERVER host
               masterHosts.filterProperty('component', 'NAGIOS_SERVER').filterProperty('isInstalled', false).forEach(function (_masterHost) {
@@ -1195,13 +1194,18 @@ App.WizardStep8Controller = Em.Controller.extend({
                 hostNames.pushObject(_masterHost.hostName);
               }, this);
               break;
-
             case 'HCAT':
               // install HCAT (client) on NAGIOS_SERVER host
               masterHosts.filterProperty('component', 'NAGIOS_SERVER').filterProperty('isInstalled', false).forEach(function (_masterHost) {
                 hostNames.pushObject(_masterHost.hostName);
               }, this);
               break;
+            case 'YARN_CLIENT':
+              // install YARN_CLIENT on NAGIOS_SERVER host
+              masterHosts.filterProperty('component', 'NAGIOS_SERVER').filterProperty('isInstalled', false).forEach(function (_masterHost) {
+                hostNames.pushObject(_masterHost.hostName);
+              }, this);
+              break;
           }
           hostNames = hostNames.uniq();