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HDFS-2677. Web UI should indicate the NN state. Contributed by Eli Collins. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1220613 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2011-12-19 05:26:07 +00:00
parent 329717264f
commit 625d1b380a
2 changed files with 5 additions and 1 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
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@ -65,3 +65,5 @@ HDFS-2667. Fix transition from active to standby (todd)
HDFS-2684. Fix up some failing unit tests on HA branch (todd)
HDFS-2679. Add interface to query current state to HAServiceProtocol (eli via todd)
HDFS-2677. Web UI should indicate the NN state. (eli via todd)

4
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.jsp
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@ -20,6 +20,7 @@
<%@ page
contentType="text/html; charset=UTF-8"
import="org.apache.hadoop.util.ServletUtil"
import="org.apache.hadoop.ha.HAServiceProtocol.HAServiceState"
%>
<%!
//for java.io.Serializable
@ -30,6 +31,7 @@
NameNode nn = NameNodeHttpServer.getNameNodeFromContext(application);
FSNamesystem fsn = nn.getNamesystem();
String namenodeRole = nn.getRole().toString();
String namenodeState = HAServiceState.ACTIVE.equals(nn.getServiceState()) ? "active" : "standby";
String namenodeLabel = nn.getNameNodeAddress().getHostName() + ":" + nn.getNameNodeAddress().getPort();
%>
@ -40,7 +42,7 @@
<title>Hadoop <%=namenodeRole%> <%=namenodeLabel%></title>
<body>
<h1><%=namenodeRole%> '<%=namenodeLabel%>'</h1>
<h1><%=namenodeRole%> '<%=namenodeLabel%>' (<%=namenodeState%>)</h1>
<%= NamenodeJspHelper.getVersionTable(fsn) %>
<br />
<b><a href="/nn_browsedfscontent.jsp">Browse the filesystem</a></b><br>