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HBASE-27814 Add support for dump and process metrics servlet in REST InfoServer

This commit is contained in:
Jain, Nihal 2023-04-26 20:34:26 +05:30
parent 3593288d60
commit 380d029ddb
6 changed files with 422 additions and 67 deletions
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80
hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/RESTDumpServlet.java Normal file
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@ -0,0 +1,80 @@
/*
* 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.hbase.rest;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.http.HttpServer;
import org.apache.hadoop.hbase.monitoring.StateDumpServlet;
import org.apache.hadoop.hbase.util.LogMonitoring;
import org.apache.hadoop.hbase.util.Threads;
import org.apache.yetus.audience.InterfaceAudience;
@InterfaceAudience.Private
public class RESTDumpServlet extends StateDumpServlet {
private static final long serialVersionUID = 1L;
private static final String LINE = "===========================================================";
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
if (!HttpServer.isInstrumentationAccessAllowed(getServletContext(), request, response)) {
return;
}
RESTServer restServer = (RESTServer) getServletContext().getAttribute(RESTServer.REST_SERVER);
assert restServer != null : "No REST Server in context!";
response.setContentType("text/plain");
OutputStream os = response.getOutputStream();
try (PrintWriter out = new PrintWriter(os)) {
out.println("REST Server status for " + restServer.getServerName() + " as of " + new Date());
out.println("\n\nVersion Info:");
out.println(LINE);
dumpVersionInfo(out);
out.println("\n\nStacks:");
out.println(LINE);
out.flush();
PrintStream ps = new PrintStream(response.getOutputStream(), false, "UTF-8");
Threads.printThreadInfo(ps, "");
ps.flush();
out.println("\n\nREST Server configuration:");
out.println(LINE);
Configuration conf = restServer.conf;
out.flush();
conf.writeXml(os);
os.flush();
out.println("\n\nLogs");
out.println(LINE);
long tailKb = getTailKbParam(request);
LogMonitoring.dumpTailOfLogs(out, tailKb);
out.flush();
}
}
}

39
hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/RESTServer.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.hbase.rest;
import java.lang.management.ManagementFactory;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
@ -29,6 +30,7 @@ import org.apache.commons.lang3.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.http.ClickjackingPreventionFilter;
import org.apache.hadoop.hbase.http.HttpServerUtil;
import org.apache.hadoop.hbase.http.InfoServer;
@ -83,6 +85,7 @@ import org.apache.hbase.thirdparty.org.glassfish.jersey.servlet.ServletContainer
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
public class RESTServer implements Constants {
static Logger LOG = LoggerFactory.getLogger("RESTServer");
public static final String REST_SERVER = "rest";
static final String REST_CSRF_ENABLED_KEY = "hbase.rest.csrf.enabled";
static final boolean REST_CSRF_ENABLED_DEFAULT = false;
@ -112,6 +115,7 @@ public class RESTServer implements Constants {
private final UserProvider userProvider;
private Server server;
private InfoServer infoServer;
private ServerName serverName;
public RESTServer(Configuration conf) {
RESTServer.conf = conf;
@ -163,8 +167,7 @@ public class RESTServer implements Constants {
loginServerPrincipal(UserProvider userProvider, Configuration conf) throws Exception {
Class<? extends ServletContainer> containerClass = ServletContainer.class;
if (userProvider.isHadoopSecurityEnabled() && userProvider.isHBaseSecurityEnabled()) {
String machineName = Strings.domainNamePointerToHostName(DNS.getDefaultHost(
conf.get(REST_DNS_INTERFACE, "default"), conf.get(REST_DNS_NAMESERVER, "default")));
String machineName = getHostName(conf);
String keytabFilename = conf.get(REST_KEYTAB_FILE);
Preconditions.checkArgument(keytabFilename != null && !keytabFilename.isEmpty(),
REST_KEYTAB_FILE + " should be set if security is enabled");
@ -402,9 +405,14 @@ public class RESTServer implements Constants {
// Put up info server.
int port = conf.getInt("hbase.rest.info.port", 8085);
if (port >= 0) {
conf.setLong("startcode", EnvironmentEdgeManager.currentTime());
String a = conf.get("hbase.rest.info.bindAddress", "0.0.0.0");
this.infoServer = new InfoServer("rest", a, port, false, conf);
final long startCode = EnvironmentEdgeManager.currentTime();
conf.setLong("startcode", startCode);
this.serverName = ServerName.valueOf(getHostName(conf), servicePort, startCode);
String addr = conf.get("hbase.rest.info.bindAddress", "0.0.0.0");
this.infoServer = new InfoServer(REST_SERVER, addr, port, false, conf);
this.infoServer.addPrivilegedServlet("dump", "/dump", RESTDumpServlet.class);
this.infoServer.setAttribute(REST_SERVER, this);
this.infoServer.setAttribute("hbase.conf", conf);
this.infoServer.start();
}
@ -412,6 +420,11 @@ public class RESTServer implements Constants {
server.start();
}
private static String getHostName(Configuration conf) throws UnknownHostException {
return Strings.domainNamePointerToHostName(DNS.getDefaultHost(
conf.get(REST_DNS_INTERFACE, "default"), conf.get(REST_DNS_NAMESERVER, "default")));
}
public synchronized void join() throws Exception {
if (server == null) {
throw new IllegalStateException("Server is not running");
@ -419,7 +432,19 @@ public class RESTServer implements Constants {
server.join();
}
private void stopInfoServer() {
if (this.infoServer != null) {
LOG.info("Stop info server");
try {
this.infoServer.stop();
} catch (Exception e) {
LOG.error("Failed to stop infoServer", e);
}
}
}
public synchronized void stop() throws Exception {
stopInfoServer();
if (server == null) {
throw new IllegalStateException("Server is not running");
}
@ -443,6 +468,10 @@ public class RESTServer implements Constants {
return infoServer.getPort();
}
public ServerName getServerName() {
return serverName;
}
public Configuration getConf() {
return conf;
}

32
hbase-rest/src/main/resources/hbase-webapps/rest/footer.jsp Normal file
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@ -0,0 +1,32 @@
<%--
/**
* 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.
*/
--%>
<script src="/static/js/jquery.min.js" type="text/javascript"></script>
<script src="/static/js/bootstrap.min.js" type="text/javascript"></script>
<script src="/static/js/tab.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$('div.navbar li.active').removeClass('active');
$('a[href="' + location.pathname + '"]').closest('li').addClass('active');
});
</script>
</body>
</html>

74
hbase-rest/src/main/resources/hbase-webapps/rest/header.jsp Normal file
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@ -0,0 +1,74 @@
<%--
/**
* 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.
*/
--%>
<%@ page contentType="text/html;charset=UTF-8"
import="org.apache.hadoop.hbase.HBaseConfiguration"%>
<!DOCTYPE html>
<?xml version="1.0" encoding="UTF-8" ?>
<html lang="en">
<head>
<meta charset="utf-8">
<title><%= request.getParameter("pageTitle")%></title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<link href="/static/css/bootstrap.min.css" rel="stylesheet">
<link href="/static/css/bootstrap-theme.min.css" rel="stylesheet">
<link href="/static/css/hbase.css" rel="stylesheet">
</head>
<body>
<div class="navbar navbar-fixed-top navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="/rest.jsp"><img src="/static/hbase_logo_small.png" alt="HBase Logo"/></a>
</div>
<div class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="/rest.jsp">Home</a></li>
<li><a href="/logs/">Local logs</a></li>
<li><a href="/processRest.jsp">Process Metrics</a></li>
<li><a href="/logLevel">Log Level</a></li>
<li><a href="/dump">Debug Dump</a></li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Metrics <span class="caret"></span>
</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<li><a target="_blank" href="/jmx">JMX</a></li>
<li><a target="_blank" href="/jmx?description=true">JMX with description</a></li>
<li><a target="_blank" href="/prometheus">Prometheus</a></li>
<li><a target="_blank" href="/prometheus?description=true">Prometheus with description</a></li>
</ul>
</li>
<li><a href="/prof">Profiler</a></li>
<% if (HBaseConfiguration.isShowConfInServlet()) { %>
<li><a href="/conf">HBase Configuration</a></li>
<% } %>
</ul>
</div><!--/.nav-collapse -->
</div>
</div>

184
hbase-rest/src/main/resources/hbase-webapps/rest/processRest.jsp Normal file
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@ -0,0 +1,184 @@
<%--
/**
* 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.
*/
--%>
<%@ page contentType="text/html;charset=UTF-8"
import="java.util.Date"
import="java.util.List"
import="javax.management.ObjectName"
import="java.lang.management.ManagementFactory"
import="java.lang.management.MemoryPoolMXBean"
import="java.lang.management.RuntimeMXBean"
import="java.lang.management.GarbageCollectorMXBean"
import="org.apache.hadoop.hbase.util.JSONMetricUtil"
import="org.apache.hadoop.hbase.procedure2.util.StringUtils"
import="org.apache.hadoop.util.StringUtils.TraditionalBinaryPrefix"
%>
<%
RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
ObjectName jvmMetrics = new ObjectName("Hadoop:service=HBase,name=JvmMetrics");
// There is always two of GC collectors
List<GarbageCollectorMXBean> gcBeans = JSONMetricUtil.getGcCollectorBeans();
GarbageCollectorMXBean collector1 = null;
GarbageCollectorMXBean collector2 = null;
try {
collector1 = gcBeans.get(0);
collector2 = gcBeans.get(1);
} catch(IndexOutOfBoundsException e) {}
List<MemoryPoolMXBean> mPools = JSONMetricUtil.getMemoryPools();
pageContext.setAttribute("pageTitle", "Process info for PID: " + JSONMetricUtil.getProcessPID());
%>
<jsp:include page="header.jsp">
<jsp:param name="pageTitle" value="${pageTitle}"/>
</jsp:include>
<div class="container-fluid content">
<div class="row">
<div class="page-header">
<h1><%= JSONMetricUtil.getCommmand().split(" ")[0] %></h1>
</div>
</div>
<table class="table table-striped" width="90%" >
<tr>
<th>Started</th>
<th>Uptime</th>
<th>PID</th>
<th>Owner</th>
</tr>
<tr>
<tr>
<td><%= new Date(runtimeBean.getStartTime()) %></td>
<td><%= StringUtils.humanTimeDiff(runtimeBean.getUptime()) %></td>
<td><%= JSONMetricUtil.getProcessPID() %></td>
<td><%= runtimeBean.getSystemProperties().get("user.name") %></td>
</tr>
</table>
</div>
<div class="container-fluid content">
<div class="row">
<div class="page-header">
<h2>Threads</h2>
</div>
</div>
<table class="table table-striped" width="90%" >
<tr>
<th>ThreadsNew</th>
<th>ThreadsRunable</th>
<th>ThreadsBlocked</th>
<th>ThreadsWaiting</th>
<th>ThreadsTimeWaiting</th>
<th>ThreadsTerminated</th>
</tr>
<tr>
<td><%= JSONMetricUtil.getValueFromMBean(jvmMetrics, "ThreadsNew") %></td>
<td><%= JSONMetricUtil.getValueFromMBean(jvmMetrics, "ThreadsRunnable")%></td>
<td><%= JSONMetricUtil.getValueFromMBean(jvmMetrics, "ThreadsBlocked")%></td>
<td><%= JSONMetricUtil.getValueFromMBean(jvmMetrics, "ThreadsWaiting")%></td>
<td><%= JSONMetricUtil.getValueFromMBean(jvmMetrics, "ThreadsTimedWaiting")%></td>
<td><%= JSONMetricUtil.getValueFromMBean(jvmMetrics, "ThreadsTerminated")%></td>
</tr>
</table>
</div>
<div class="container-fluid content">
<div class="row">
<div class="page-header">
<h2>GC Collectors</h2>
</div>
</div>
<% if (gcBeans.size() == 2) { %>
<div class="tabbable">
<ul class="nav nav-pills">
<li class="active">
<a href="#tab_gc1" data-toggle="tab"><%=collector1.getName() %></a>
</li>
<li class="">
<a href="#tab_gc2" data-toggle="tab"><%=collector2.getName() %></a>
</li>
</ul>
<div class="tab-content" style="padding-bottom: 9px; border-bottom: 1px solid #ddd;">
<div class="tab-pane active" id="tab_gc1">
<table class="table table-striped">
<tr>
<th>Collection Count</th>
<th>Collection Time</th>
<th>Last duration</th>
</tr>
<tr>
<td> <%= collector1.getCollectionCount() %></td>
<td> <%= StringUtils.humanTimeDiff(collector1.getCollectionTime()) %> </td>
<td> <%= StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
collector1.getObjectName())) %></td>
</tr>
</table>
</div>
<div class="tab-pane" id="tab_gc2">
<table class="table table-striped">
<tr>
<th>Collection Count</th>
<th>Collection Time</th>
<th>Last duration</th>
</tr>
<tr>
<td> <%= collector2.getCollectionCount() %></td>
<td> <%= StringUtils.humanTimeDiff(collector2.getCollectionTime()) %> </td>
<td> <%= StringUtils.humanTimeDiff(JSONMetricUtil.getLastGcDuration(
collector2.getObjectName())) %></td>
</tr>
</table>
</div>
</div>
</div>
<%} else { %>
<p> Can not display GC Collector stats.</p>
<%} %>
Total GC Collection time: <%= StringUtils.humanTimeDiff(collector1.getCollectionTime() +
collector2.getCollectionTime())%>
</div>
<% for(MemoryPoolMXBean mp:mPools) {
if(mp.getName().contains("Cache")) continue;%>
<div class="container-fluid content">
<div class="row">
<div class="page-header">
<h2><%= mp.getName() %></h2>
</div>
</div>
<table class="table table-striped" width="90%" >
<tr>
<th>Commited</th>
<th>Init</th>
<th>Max</th>
<th>Used</th>
<th>Utilization [%]</th>
</tr>
<tr>
<tr>
<td><%= TraditionalBinaryPrefix.long2String(mp.getUsage().getCommitted(), "B", 1) %></td>
<td><%= TraditionalBinaryPrefix.long2String(mp.getUsage().getInit(), "B", 1) %></td>
<td><%= TraditionalBinaryPrefix.long2String(mp.getUsage().getMax(), "B", 1) %></td>
<td><%= TraditionalBinaryPrefix.long2String(mp.getUsage().getUsed(), "B", 1) %></td>
<td><%= JSONMetricUtil.calcPercentage(mp.getUsage().getUsed(),
mp.getUsage().getCommitted()) %></td>
</tr>
</table>
</div>
<% } %>
<jsp:include page="footer.jsp" />

68
hbase-rest/src/main/resources/hbase-webapps/rest/rest.jsp
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@ -19,69 +19,28 @@
--%>
<%@ page contentType="text/html;charset=UTF-8"
import="org.apache.hadoop.conf.Configuration"
import="org.apache.hadoop.hbase.HBaseConfiguration"
import="org.apache.hadoop.hbase.rest.RESTServer"
import="org.apache.hadoop.hbase.rest.model.VersionModel"
import="org.apache.hadoop.hbase.util.VersionInfo"
import="java.util.Date"%>
<%
Configuration conf = (Configuration) getServletContext().getAttribute("hbase.conf");
long startcode = conf.getLong("startcode", System.currentTimeMillis());
String listenPort = conf.get("hbase.rest.port", "8080");
final RESTServer restServer = (RESTServer) getServletContext().getAttribute(RESTServer.REST_SERVER);
final String hostName = restServer.getServerName().getHostname();
pageContext.setAttribute("pageTitle", "HBase REST Server" + hostName);
%>
<!DOCTYPE html>
<?xml version="1.0" encoding="UTF-8" ?>
<html lang="en">
<head>
<meta charset="utf-8">
<title>HBase REST Server: <%= listenPort %></title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<link href="/static/css/bootstrap.min.css" rel="stylesheet">
<link href="/static/css/bootstrap-theme.min.css" rel="stylesheet">
<link href="/static/css/hbase.css" rel="stylesheet">
</head>
<body>
<div class="navbar navbar-fixed-top navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="/rest.jsp"><img src="/static/hbase_logo_small.png" alt="HBase Logo"/></a>
</div>
<div class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="/rest.jsp">Home</a></li>
<li><a href="/logs/">Local logs</a></li>
<li><a href="/logLevel">Log Level</a></li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Metrics <span class="caret"></span>
</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<li><a target="_blank" href="/jmx">JMX</a></li>
<li><a target="_blank" href="/jmx?description=true">JMX with description</a></li>
<li><a target="_blank" href="/prometheus">Prometheus</a></li>
<li><a target="_blank" href="/prometheus?description=true">Prometheus with description</a></li>
</ul>
</li>
<li><a href="/prof">Profiler</a></li>
<% if (HBaseConfiguration.isShowConfInServlet()) { %>
<li><a href="/conf">HBase Configuration</a></li>
<% } %>
</ul>
</div><!--/.nav-collapse -->
</div>
</div>
<jsp:include page="header.jsp">
<jsp:param name="pageTitle" value="${pageTitle}"/>
</jsp:include>
<div class="container-fluid content">
<div class="row inner_header">
<div class="page-header">
<h1>RESTServer <small><%= listenPort %></small></h1>
<h1>RESTServer <small><%= hostName %></small></h1>
</div>
</div>
<div class="row">
@ -124,9 +83,6 @@ String listenPort = conf.get("hbase.rest.port", "8080");
</section>
</div>
</div>
<script src="/static/js/jquery.min.js" type="text/javascript"></script>
<script src="/static/js/bootstrap.min.js" type="text/javascript"></script>
<script src="/static/js/tab.js" type="text/javascript"></script>
</body>
</html>
<jsp:include page="footer.jsp" />