AMBARI-12973 Web Client Should Warn On Host Version Mismatch For Maintenance Mode. (ababiichuk)

ambari-web/app/controllers/main/host/details.js

@@ -1817,11 +1817,19 @@ App.MainHostDetailsController = Em.Controller.extend({
     var state = context.active ? 'ON' : 'OFF';
     var self = this;
     var message = Em.I18n.t('hosts.host.details.for.postfix').format(context.label);
+    var popupInfo = Em.I18n.t('hosts.passiveMode.popup').format(context.active ? 'On' : 'Off', this.get('content.hostName'));
+    if (state === 'OFF') {
+      var hostVersion = this.get('content.stackVersions') && this.get('content.stackVersions').findProperty('isCurrent').get('repoVersion'),
+        currentVersion = App.StackVersion.find().findProperty('isCurrent'),
+        clusterVersion = currentVersion && currentVersion.get('repositoryVersion.repositoryVersion');
+      if (hostVersion !== clusterVersion) {
+        var msg = Em.I18n.t("hosts.passiveMode.popup.version.mismatch").format(this.get('content.hostName'), clusterVersion);
+        popupInfo += '<br/><div class="alert alert-warning">' + msg + '</div>';
+      }
+    }
     return App.showConfirmationPopup(function () {
         self.hostPassiveModeRequest(state, message);
-      },
-      Em.I18n.t('hosts.passiveMode.popup').format(context.active ? 'On' : 'Off', this.get('content.hostName'))
-    );
+      }, popupInfo);
   },
 
   /**

ambari-web/app/messages.js

@@ -2283,6 +2283,8 @@ Em.I18n.translations = {
   'hosts.add.exit.body':'Do you really want to exit Add Host Wizard?',
   'hosts.assignRack':'Assign Rack',
   'hosts.passiveMode.popup':'Are you sure you want to <b>Turn {0} Maintenance Mode</b> for {1}?',
+  'hosts.passiveMode.popup.version.mismatch': '{0} has components from a stack which is not current. Before bringing this host out of maintenance mode, it is recommended that you upgrade its components to {1}',
+  'hosts.passiveMode.popup.version.mismatch.multiple': 'Some hosts have components from a stack which is not current. Before bringing these hosts out of maintenance mode, it is recommended that you upgrade their components to {0}',
 
   'charts.horizon.chart.showText':'show',
   'charts.horizon.chart.hideText':'hide',

ambari-web/app/models/stack_version/version.js

@@ -47,7 +47,11 @@ App.StackVersion = DS.Model.extend({
 
   noInitHosts: function() {
     return this.get('notInstalledHosts.length') == 0;
-  }.property('notInstalledHosts.length')
+  }.property('notInstalledHosts.length'),
+
+  isCurrent: function() {
+    return this.get('state') === 'CURRENT';
+  }.property('state')
 });
 
 App.StackVersion.FIXTURES = [];

ambari-web/app/views/main/host.js

@@ -435,6 +435,15 @@ App.MainHostView = App.TableView.extend(App.TableServerViewMixin, {
       });
     }
     var hostNamesSkipped = hostsToSkip.mapProperty('hostName');
+    if (operationData.action === 'PASSIVE_STATE') {
+      hostNamesSkipped = [];
+      var outOfSyncHosts = App.StackVersion.find().findProperty('isCurrent').get('outOfSyncHosts');
+      for (var i = 0; i < outOfSyncHosts.length; i++) {
+        if (hostNames.contains(outOfSyncHosts[i])) {
+          hostNamesSkipped.push(outOfSyncHosts[i]);
+        }
+      }
+    }
     var message;
     if (operationData.componentNameFormatted) {
       message = Em.I18n.t('hosts.bulkOperation.confirmation.hostComponents').format(operationData.message, operationData.componentNameFormatted, hostNames.length);
@@ -474,7 +483,17 @@ App.MainHostView = App.TableView.extend(App.TableServerViewMixin, {
       bodyClass: Em.View.extend({
         templateName: require('templates/main/host/bulk_operation_confirm_popup'),
         message: message,
-        warningInfo: Em.I18n.t('hosts.bulkOperation.warningInfo.body'),
+        warningInfo: function() {
+          switch (operationData.action) {
+            case "DECOMMISSION":
+              return Em.I18n.t('hosts.bulkOperation.warningInfo.body');
+            case "PASSIVE_STATE":
+              return operationData.state === 'OFF' ? Em.I18n.t('hosts.passiveMode.popup.version.mismatch.multiple')
+              .format(App.StackVersion.find().findProperty('isCurrent').get('repositoryVersion.repositoryVersion')) : "";
+            default:
+              return ""
+          }
+        }.property(),
         textareaVisible: false,
         textTrigger: function() {
           this.set('textareaVisible', !this.get('textareaVisible'));