MAPREDUCE-2843. Fixed the node-table to be completely displayed and making node entries on RM UI to be sortable. Contributed by Abhijit Suresh Shingate.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1176730 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -1464,6 +1464,9 @@ Release 0.23.0 - Unreleased
     capabilities along-with new ApplicationId for application submission.
     (Hitesh Shah via acmurthy)
 
+    MAPREDUCE-2843. Fixed the node-table to be completely displayed and making
+    node entries on RM UI to be sortable. (Abhijit Suresh Shingate via vinodkv)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/NodesPage.java

@@ -76,7 +76,7 @@ protected void render(Block html) {
             // TODO: FIXME Vinodkv
 //            td(String.valueOf(ni.getUsedResource().getMemory())).
 //            td(String.valueOf(ni.getAvailableResource().getMemory())).
-            _();
+            td("n/a")._();
       }
       tbody._()._();
     }
@@ -100,7 +100,7 @@ private String nodesTableInit() {
         // rack, nodeid, host, healthStatus, health update ts, health report,
         // containers, memused, memavail
         append(", aoColumns:[null, null, null, null, null, null, ").
-        append("{bSearchable:false},{bSearchable:false},{bSearchable:false}]}").
+        append("{sType:'title-numeric', bSearchable:false}]}").
         toString();
   }
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestNodesPage.java

@@ -0,0 +1,55 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.server.resourcemanager.webapp;
+
+import java.io.PrintWriter;
+
+import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
+import org.apache.hadoop.yarn.server.resourcemanager.webapp.NodesPage.NodesBlock;
+import org.apache.hadoop.yarn.webapp.test.WebAppTests;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+/**
+ * This tests the NodesPage block table that it should contain the table body
+ * data for all the columns in the table as specified in the header.
+ */
+public class TestNodesPage {
+
+  @Test
+  public void testNodesBlockRender() throws Exception {
+    int numberOfRacks = 2;
+    int numberOfNodesPerRack = 2;
+    // Number of Actual Table Headers for NodesPage.NodesBlock might change in
+    // future. In that case this value should be adjusted to the new value.
+    int numberOfActualTableHeaders = 7;
+
+    PrintWriter writer = WebAppTests.testBlock(
+        NodesBlock.class,
+        RMContext.class,
+        TestRMWebApp.mockRMContext(3, numberOfRacks, numberOfNodesPerRack,
+            8 * TestRMWebApp.GiB)).getInstance(PrintWriter.class);
+
+    Mockito.verify(writer, Mockito.times(numberOfActualTableHeaders)).print(
+        "<th");
+    Mockito.verify(
+        writer,
+        Mockito.times(numberOfRacks * numberOfNodesPerRack
+            * numberOfActualTableHeaders)).print("<td");
+  }
+}