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HBASE-13534 Changed Master UI to promptly display if it is a backup master. (Apekshit) 

Signed-off-by: Elliott Clark <eclark@apache.org>
This commit is contained in:
Apekshit(Appy) Sharma 2015-04-22 20:28:14 -07:00 committed by Elliott Clark
parent bcb2a279c4
commit 031dd3638c
2 changed files with 25 additions and 31 deletions
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51
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/BackupMasterStatusTmpl.jamon
View File

@ -27,32 +27,23 @@ org.apache.hadoop.hbase.master.HMaster;
org.apache.hadoop.hbase.zookeeper.MasterAddressTracker; org.apache.hadoop.hbase.zookeeper.MasterAddressTracker;
</%import> </%import>
<%java> <%java>
Collection<ServerName> masters = null;
MasterAddressTracker masterAddressTracker = master.getMasterAddressTracker(); MasterAddressTracker masterAddressTracker = master.getMasterAddressTracker();
if (master.isActiveMaster()) {
ClusterStatus status = master.getClusterStatus();
masters = status.getBackupMasters();
} else{
ServerName sn = masterAddressTracker == null ? null
: masterAddressTracker.getMasterAddress();
assert sn != null : "Failed to retreive master's ServerName!";
masters = Collections.singletonList(sn);
}
</%java> </%java>
<%java>
ServerName [] serverNames = masters.toArray(new ServerName[masters.size()]);
int infoPort = masterAddressTracker == null ? 0 : masterAddressTracker.getMasterInfoPort();
</%java>
<%if (!master.isActiveMaster()) %> <%if (!master.isActiveMaster()) %>
<%if serverNames[0] != null %> <%java>
<h2>Master</h2> ServerName active_master =
<a href="//<% serverNames[0].getHostname() %>:<% (masterAddressTracker == null) ? null : masterAddressTracker.getMasterAddress();
infoPort %>/master-status" target="_blank"><% assert active_master != null : "Failed to retrieve master's ServerName!";
serverNames[0].getHostname() %></a> int infoPort = (masterAddressTracker == null) ? 0 : masterAddressTracker.getMasterInfoPort();
<%else> </%java>
Unable to parse master hostname. <div class="row inner_header">
</%if> <div class="page-header">
<h1>Backup Master <small><% master.getServerName().getHostname() %></small></h1>
</div>
</div>
<h4>Current Active Master: <a href="//<% active_master.getHostname() %>:<% infoPort %>/master-status"
target="_blank"><% active_master.getHostname() %></a><h4>
<%else> <%else>
<h2>Backup Masters</h2> <h2>Backup Masters</h2>
@ -63,14 +54,16 @@ int infoPort = masterAddressTracker == null ? 0 : masterAddressTracker.getMaster
<th>Start Time</th> <th>Start Time</th>
</tr> </tr>
<%java> <%java>
Arrays.sort(serverNames); Collection<ServerName> backup_masters = master.getClusterStatus().getBackupMasters();
for (ServerName serverName : serverNames) { ServerName [] backupServerNames = backup_masters.toArray(new ServerName[backup_masters.size()]);
infoPort = masterAddressTracker == null ? 0 : masterAddressTracker.getBackupMasterInfoPort(serverName); Arrays.sort(backupServerNames);
for (ServerName serverName : backupServerNames) {
int infoPort = (masterAddressTracker == null) ? 0 : masterAddressTracker
.getBackupMasterInfoPort(serverName);
</%java> </%java>
<tr> <tr>
<td><a href="//<% serverName.getHostname() %>:<% <td><a href="//<% serverName.getHostname() %>:<% infoPort %>/master-status"
infoPort %>/master-status" target="_blank"><% target="_blank"><% serverName.getHostname() %></a>
serverName.getHostname() %></a>
</td> </td>
<td><% serverName.getPort() %></td> <td><% serverName.getPort() %></td>
<td><% new Date(serverName.getStartcode()) %></td> <td><% new Date(serverName.getStartcode()) %></td>
@ -78,6 +71,6 @@ int infoPort = masterAddressTracker == null ? 0 : masterAddressTracker.getMaster
<%java> <%java>
} }
</%java> </%java>
<tr><td>Total:<% (masters != null) ? masters.size() : 0 %></td> <tr><td>Total:<% backupServerNames.length %></td>
</table> </table>
</%if> </%if>

3
hbase-server/src/main/jamon/org/apache/hadoop/hbase/tmpl/master/MasterStatusTmpl.jamon
View File

@ -97,7 +97,8 @@ AssignmentManager assignmentManager = master.getAssignmentManager();
<html lang="en"> <html lang="en">
<head> <head>
<meta charset="utf-8"> <meta charset="utf-8">
<title>Master: <% master.getServerName().getHostname() %></title> <title><%if master.isActiveMaster() %>Master: <%else>Backup Master: </%if>
<% master.getServerName().getHostname() %></title>
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content=""> <meta name="description" content="">
<link href="/static/css/bootstrap.min.css" rel="stylesheet"> <link href="/static/css/bootstrap.min.css" rel="stylesheet">