HDFS-15245. Improve JournalNode web UI. Contributed by Jianfei Jiang.
(cherry picked from commit 960c9ebaea)
Conflicts:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JournalNode.java
This commit is contained in:
Ayush Saxena
Wei-Chiu Chuang
parent
1c6c3920b6
commit
41b39ff292
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@ -19,8 +19,10 @@ package org.apache.hadoop.hdfs.qjournal.server;
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import org.apache.hadoop.thirdparty.com.google.common.annotations.VisibleForTesting;
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import org.apache.hadoop.thirdparty.com.google.common.base.Preconditions;
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import org.apache.hadoop.thirdparty.com.google.common.base.Strings;
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import org.apache.hadoop.thirdparty.com.google.common.collect.Lists;
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import org.apache.hadoop.thirdparty.com.google.common.collect.Maps;
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import org.apache.hadoop.util.VersionInfo;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.apache.hadoop.classification.InterfaceAudience;
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@ -57,7 +59,9 @@ import java.net.InetSocketAddress;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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/**
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* The JournalNode is a daemon which allows namenodes using
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@ -393,6 +397,24 @@ public class JournalNode implements Tool, Configurable, JournalNodeMXBean {
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return JSON.toString(status);
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}
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@Override // JournalNodeMXBean
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public String getHostAndPort() {
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return NetUtils.getHostPortString(rpcServer.getAddress());
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}
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@Override // JournalNodeMXBean
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public List<String> getClusterIds() {
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return journalsById.values().stream()
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.map(j -> j.getStorage().getClusterID())
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.filter(cid -> !Strings.isNullOrEmpty(cid))
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.distinct().collect(Collectors.toList());
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}
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@Override // JournalNodeMXBean
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public String getVersion() {
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return VersionInfo.getVersion() + ", r" + VersionInfo.getRevision();
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}
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/**
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* Register JournalNodeMXBean
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*/
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@ -20,6 +20,8 @@ package org.apache.hadoop.hdfs.qjournal.server;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import java.util.List;
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/**
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* This is the JMX management interface for JournalNode information
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*/
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@ -32,5 +34,27 @@ public interface JournalNodeMXBean {
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*
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* @return A string presenting status for each journal
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*/
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public String getJournalsStatus();
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String getJournalsStatus();
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/**
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* Get host and port of JournalNode.
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*
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* @return colon separated host and port.
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*/
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String getHostAndPort();
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/**
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* Get list of the clusters of JournalNode's journals
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* as one JournalNode may support multiple clusters.
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*
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* @return list of clusters.
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*/
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List<String> getClusterIds();
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/**
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* Gets the version of Hadoop.
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*
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* @return the version of Hadoop.
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*/
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String getVersion();
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}
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@ -1,5 +1,3 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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@ -16,47 +14,11 @@
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<link rel="stylesheet" type="text/css" href="/static/bootstrap-3.4.1/css/bootstrap.min.css" />
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<link rel="stylesheet" type="text/css" href="/static/hadoop.css" />
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<title>JournalNode Information</title>
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<meta http-equiv="REFRESH" content="0;url=journalnode.html" />
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<title>Hadoop Administration</title>
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</head>
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<body>
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<header class="navbar navbar-inverse bs-docs-nav" role="banner">
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<div class="container">
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<div class="navbar-header">
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<div class="navbar-brand">Hadoop</div>
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</div>
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<ul class="nav navbar-nav" id="ui-tabs">
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<li><a>Overview</a></li>
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</ul>
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</div>
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</header>
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<div class="container">
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<div class="tab-content">
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<div class="tab-pane" id="tab-overview">
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<div class="page-header"><h1>JournalNode on <small><div id="authority" style="display: inline-block"></div></small></h1></div>
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</div>
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</div>
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<div class="row">
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<hr />
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<div class="col-xs-2"><p>Hadoop, {release-year-token}.</p></div>
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</div>
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</div>
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<script type="text/javascript" src="/static/jquery-3.4.1.min.js">
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</script><script type="text/javascript" src="/static/bootstrap-3.4.1/js/bootstrap.min.js">
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</script>
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<script type="text/javascript">
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$('#authority').html(window.location.host);
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$('#tab-overview').addClass('active');
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</script>
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</body>
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</html>
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@ -0,0 +1,82 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function () {
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"use strict";
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var data = {};
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dust.loadSource(dust.compile($('#tmpl-jn').html(), 'jn'));
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var BEANS = [
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{"name": "jn", "url": "/jmx?qry=Hadoop:service=JournalNode,name=JournalNodeInfo"},
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{"name": "journals", "url": "/jmx?qry=Hadoop:service=JournalNode,name=Journal-*"}
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];
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var HELPERS = {
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'helper_date_tostring' : function (chunk, ctx, bodies, params) {
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var value = dust.helpers.tap(params.value, chunk, ctx);
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return chunk.write('' + moment(Number(value)).format('ddd MMM DD HH:mm:ss ZZ YYYY'));
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}
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};
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load_json(
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BEANS,
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guard_with_startup_progress(function(d) {
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for (var k in d) {
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data[k] = k === 'journals' ? workaround(d[k].beans) : d[k].beans[0];
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}
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render();
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}),
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function (url, jqxhr, text, err) {
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show_err_msg('<p>Failed to retrieve data from ' + url + ', cause: ' + err + '</p>');
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});
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function guard_with_startup_progress(fn) {
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return function() {
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try {
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fn.apply(this, arguments);
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} catch (err) {
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if (err instanceof TypeError) {
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show_err_msg('JournalNode error: ' + err);
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}
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}
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};
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}
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function workaround(journals) {
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for (var i in journals){
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journals[i]['NameService']= journals[i]['modelerType'].split("-")[1];
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}
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return journals;
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}
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function render() {
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var base = dust.makeBase(HELPERS);
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dust.render('jn', base.push(data), function(err, out) {
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$('#tab-overview').html(out);
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$('#tab-overview').addClass('active');
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});
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}
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function show_err_msg() {
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$('#alert-panel-body').html("Failed to load journalnode information");
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$('#alert-panel').show();
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}
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})();
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@ -0,0 +1,108 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<link rel="stylesheet" type="text/css" href="/static/bootstrap-3.4.1/css/bootstrap.min.css" />
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<link rel="stylesheet" type="text/css" href="/static/hadoop.css" />
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<title>JournalNode Information</title>
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</head>
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<body>
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<header class="navbar navbar-inverse bs-docs-nav" role="banner">
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<div class="container">
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<div class="navbar-header">
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<div class="navbar-brand">Hadoop</div>
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</div>
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<ul class="nav navbar-nav" id="ui-tabs">
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<li><a href="#tab-overview">Overview</a></li>
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<li class="dropdown">
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<a href="#" class="dropdown-toggle" data-toggle="dropdown">Utilities <b class="caret"></b></a>
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<ul class="dropdown-menu">
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<li><a href="logs/">Logs</a></li>
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<li><a href="logLevel">Log Level</a></li>
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<li><a href="jmx">Metrics</a></li>
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<li><a href="conf">Configuration</a></li>
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<li><a href="stacks">Process Thread Dump</a></li>
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</ul>
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</li>
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</ul>
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</div>
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</header>
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<div class="container">
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<div id="alert-panel">
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<div class="alert alert-danger">
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<button type="button" class="close" onclick="$('#alert-panel').hide();">×</button>
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<div class="alert-body" id="alert-panel-body"></div>
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</div>
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</div>
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<div class="tab-content">
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<div class="tab-pane" id="tab-overview"></div>
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</div>
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<div class="row">
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<hr />
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<div class="col-xs-2"><p>Hadoop, {release-year-token}.</p></div>
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</div>
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</div>
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<script type="text/x-dust-template" id="tmpl-jn">
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{#jn}
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<div class="page-header"><h1>JournalNode on <small>{HostAndPort}</small></h1></div>
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<table class="table table-bordered table-striped">
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<tr><th>Cluster ID:</th><td>{ClusterIds}</td></tr>
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<tr><th>Version:</th><td>{Version}</td></tr>
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</table>
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{/jn}
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<div class="page-header"><h1>Journal Status</h1></div>
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<table class="table">
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<thead>
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<tr>
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<th>Nameservice</th>
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<th>Current Transaction ID</th>
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<th>Current Lag Transactions</th>
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<th>Last Journal Timestamp</th>
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</tr>
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</thead>
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{#journals}
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<tr>
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<td>{NameService}</td>
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<td>{LastWrittenTxId}</td>
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<td>{CurrentLagTxns}</td>
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<td>{#helper_date_tostring value="{LastJournalTimestamp}"/}</td>
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</tr>
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{/journals}
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</table>
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</script>
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<script type="text/javascript" src="/static/jquery-3.4.1.min.js"></script>
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<script type="text/javascript" src="/static/bootstrap-3.4.1/js/bootstrap.min.js"></script>
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<script type="text/javascript" src="/static/moment.min.js"></script>
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<script type="text/javascript" src="/static/dust-full-2.0.0.min.js"></script>
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<script type="text/javascript" src="/static/dust-helpers-1.1.1.min.js"></script>
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<script type="text/javascript" src="/static/dfs-dust.js"></script>
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<script type="text/javascript" src="jn.js"></script>
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</body>
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</html>
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@ -97,6 +97,16 @@ public class TestJournalNodeMXBean {
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jMap.put(MiniJournalCluster.CLUSTER_WAITACTIVE_URI, infoMap1);
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assertEquals(JSON.toString(jMap), journalStatus);
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// check attributes
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String hostAndPort = (String) mbs.getAttribute(mxbeanName, "HostAndPort");
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assertEquals(jn.getHostAndPort(), hostAndPort);
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assertTrue(hostAndPort.matches("localhost:\\d+"));
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String[] clusterId = (String[]) mbs.getAttribute(mxbeanName, "ClusterIds");
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assertEquals(jn.getClusterIds().size(), clusterId.length);
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assertEquals("mycluster", clusterId[0]);
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String version = (String) mbs.getAttribute(mxbeanName, "Version");
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assertEquals(jn.getVersion(), version);
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// restart journal node without formatting
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jCluster = new MiniJournalCluster.Builder(new Configuration()).format(false)
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.numJournalNodes(NUM_JN).build();
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