AMBARI-2956. NameNode HA: Show HA info in Services > HDFS > Summary. (Aleksandr Kovalenko via yusaku)

ambari-web/app/messages.js

@@ -803,6 +803,7 @@ Em.I18n.translations = {
   'services.service.summary.viewHost':'View Host',
   'services.service.summary.viewHosts':'View Hosts',
   'services.service.summary.DataNodesLive':'DataNodes Live',
+  'services.service.summary.JournalNodesLive':'JournalNodes Live',
   'services.service.summary.mapreduce2.client':'MapReduce2 Client',
   'services.service.summary.mapreduce2.clients':'MapReduce2 Clients',
   'services.service.summary.nodeManagersLive':'NodeManagers Live',
@@ -1244,6 +1245,7 @@ Em.I18n.translations = {
   'dashboard.services.hdfs.summary':'{0} of {1} nodes live, {2}% capacity used',
   'dashboard.services.hdfs.nanmenode':'NameNode',
   'dashboard.services.hdfs.snanmenode':'Secondary NameNode',
+  'dashboard.services.hdfs.journalnodes':'JournalNodes',
   'dashboard.services.hdfs.capacity':'HDFS Disk Capacity',
   'dashboard.services.hdfs.capacityUsed':'{0} / {1} ({2}% used)',
   'dashboard.services.hdfs.totalFilesAndDirs':'Total Files + Directories',

ambari-web/app/templates/main/dashboard/service/hdfs.hbs

@@ -57,6 +57,20 @@
           </div>
         </td>
       </tr>
+      <!-- Journal Nodes -->
+      <tr>
+        <td>{{t dashboard.services.hdfs.journalnodes}}</td>
+        <td>
+              <span>
+                {{#view view.journalNodesLiveTextView}}
+                  {{view.liveComponents}}/{{view.totalComponents}}
+                {{/view}}
+              </span>  {{t services.service.summary.JournalNodesLive}}
+          <div class="summary-view-host">
+            <a href="#" {{action filterHosts view.journalNodeComponent}}>{{view.journalNodeHostText}}</a>
+          </div>
+        </td>
+      </tr>
       <!-- NameNode Uptime -->
       <tr>
         <td>{{t dashboard.services.hdfs.nodes.uptime}}</td>

ambari-web/app/views/main/dashboard/service/hdfs.js

@@ -37,6 +37,15 @@ App.MainDashboardServiceHdfsView = App.MainDashboardServiceView.extend({
     }.property('service.capacityUsed', 'service.capacityTotal')
   }),
 
+  dashboardMasterComponentView: Em.View.extend({
+    templateName: require('templates/main/service/info/summary/master_components'),
+    mastersComp : function() {
+      return this.get('parentView.service.hostComponents').filter(function(comp){
+        return comp.get('isMaster') && comp.get('componentName') !== 'JOURNALNODE';
+      });
+    }.property("service")
+  }),
+
   dataNodesLive: function(){
     return App.HostComponent.find().filterProperty('componentName', 'DATANODE').filterProperty("workStatus","STARTED");
   }.property('service.hostComponents.@each'),
@@ -45,7 +54,15 @@ App.MainDashboardServiceHdfsView = App.MainDashboardServiceView.extend({
   }.property('service.hostComponents.@each'),
 
   dataNodeHostText: function () {
-    if(this.get("service.dataNodes") > 1){
+    if(this.get("service.dataNodes").content.length > 1){
+      return Em.I18n.t('services.service.summary.viewHosts');
+    }else{
+      return Em.I18n.t('services.service.summary.viewHost');
+    }
+  }.property("service"),
+
+  journalNodeHostText: function () {
+    if(this.get("service.journalNodes").content.length > 1){
       return Em.I18n.t('services.service.summary.viewHosts');
     }else{
       return Em.I18n.t('services.service.summary.viewHost');
@@ -61,6 +78,15 @@ App.MainDashboardServiceHdfsView = App.MainDashboardServiceView.extend({
     }.property("service.dataNodes.length")
   }),
 
+  journalNodesLiveTextView: App.ComponentLiveTextView.extend({
+    liveComponents: function() {
+      return App.HostComponent.find().filterProperty('componentName', 'JOURNALNODE').filterProperty("workStatus","STARTED").get("length");
+    }.property("service.hostComponents.@each"),
+    totalComponents: function() {
+      return this.get("service.journalNodes.length");
+    }.property("service.journalNodes.length")
+  }),
+
   dfsTotalBlocks: function(){
     return this.formatUnavailable(this.get('service.dfsTotalBlocks'));
   }.property('service.dfsTotalBlocks'),
@@ -139,6 +165,10 @@ App.MainDashboardServiceHdfsView = App.MainDashboardServiceView.extend({
     return App.HostComponent.find().findProperty('componentName', 'DATANODE');
   }.property(),
 
+   journalNodeComponent: function () {
+    return App.HostComponent.find().findProperty('componentName', 'JOURNALNODE');
+  }.property(),
+
   isSafeMode: function () {
     var safeMode = this.get('service.safeModeStatus');
     return safeMode != null && safeMode.length > 0;