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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.master.http;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.lang.reflect.Type;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Collections;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.ExecutionException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.commons.lang3.builder.EqualsBuilder;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.commons.lang3.builder.HashCodeBuilder;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.commons.lang3.builder.ToStringBuilder;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.commons.lang3.builder.ToStringStyle;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.ClusterMetrics;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.RegionMetrics;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.ServerMetrics;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.Size;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.AsyncAdmin;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.AsyncConnection;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.util.AbstractHBaseTool;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.slf4j.Logger;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hbase.thirdparty.com.google.gson.FieldNamingPolicy;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hbase.thirdparty.com.google.gson.Gson;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hbase.thirdparty.com.google.gson.GsonBuilder;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hbase.thirdparty.com.google.gson.JsonElement;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.com.google.gson.JsonObject;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hbase.thirdparty.com.google.gson.JsonPrimitive;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hbase.thirdparty.com.google.gson.JsonSerializationContext;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hbase.thirdparty.com.google.gson.JsonSerializer;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59">/**</span> |
| <span class="source-line-no">060</span><span id="line-60"> * Support class for the "Region Visualizer" rendered out of</span> |
| <span class="source-line-no">061</span><span id="line-61"> * {@code src/main/jamon/org/apache/hadoop/hbase/tmpl/master/RegionVisualizerTmpl.jamon}</span> |
| <span class="source-line-no">062</span><span id="line-62"> */</span> |
| <span class="source-line-no">063</span><span id="line-63">@InterfaceAudience.Private</span> |
| <span class="source-line-no">064</span><span id="line-64">public class RegionVisualizer extends AbstractHBaseTool {</span> |
| <span class="source-line-no">065</span><span id="line-65"> private static final Logger LOG = LoggerFactory.getLogger(RegionVisualizer.class);</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private final Admin admin;</span> |
| <span class="source-line-no">068</span><span id="line-68"> private final AsyncAdmin asyncAdmin;</span> |
| <span class="source-line-no">069</span><span id="line-69"> private final Gson gson;</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> public RegionVisualizer() {</span> |
| <span class="source-line-no">072</span><span id="line-72"> admin = null;</span> |
| <span class="source-line-no">073</span><span id="line-73"> asyncAdmin = null;</span> |
| <span class="source-line-no">074</span><span id="line-74"> gson = null;</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> public RegionVisualizer(final Admin admin) {</span> |
| <span class="source-line-no">078</span><span id="line-78"> this.admin = admin;</span> |
| <span class="source-line-no">079</span><span id="line-79"> this.asyncAdmin = null;</span> |
| <span class="source-line-no">080</span><span id="line-80"> this.gson = buildGson();</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> public RegionVisualizer(final AsyncAdmin asyncAdmin) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> this.admin = null;</span> |
| <span class="source-line-no">085</span><span id="line-85"> this.asyncAdmin = asyncAdmin;</span> |
| <span class="source-line-no">086</span><span id="line-86"> this.gson = buildGson();</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> public String renderRegionDetails() {</span> |
| <span class="source-line-no">090</span><span id="line-90"> return gson.toJson(clusterStatusToRegionDetails());</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> public static void main(final String[] argv) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> new RegionVisualizer().doStaticMain(argv);</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> static Gson buildGson() {</span> |
| <span class="source-line-no">098</span><span id="line-98"> return new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)</span> |
| <span class="source-line-no">099</span><span id="line-99"> .enableComplexMapKeySerialization()</span> |
| <span class="source-line-no">100</span><span id="line-100"> .registerTypeAdapter(byte[].class, new ByteArraySerializer())</span> |
| <span class="source-line-no">101</span><span id="line-101"> .registerTypeAdapter(Size.class, new SizeAsBytesSerializer())</span> |
| <span class="source-line-no">102</span><span id="line-102"> .registerTypeAdapter(RegionDetails.class, new RegionDetailsSerializer()).create();</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104"></span> |
| <span class="source-line-no">105</span><span id="line-105"> private ClusterMetrics getClusterMetrics()</span> |
| <span class="source-line-no">106</span><span id="line-106"> throws ExecutionException, InterruptedException, IOException {</span> |
| <span class="source-line-no">107</span><span id="line-107"> if (admin != null) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> return admin.getClusterMetrics();</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"> if (asyncAdmin != null) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> return asyncAdmin.getClusterMetrics().get();</span> |
| <span class="source-line-no">112</span><span id="line-112"> }</span> |
| <span class="source-line-no">113</span><span id="line-113"> throw new RuntimeException("should not happen");</span> |
| <span class="source-line-no">114</span><span id="line-114"> }</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> private List<RegionDetails> clusterStatusToRegionDetails() {</span> |
| <span class="source-line-no">117</span><span id="line-117"> final ClusterMetrics clusterMetrics;</span> |
| <span class="source-line-no">118</span><span id="line-118"> try {</span> |
| <span class="source-line-no">119</span><span id="line-119"> clusterMetrics = getClusterMetrics();</span> |
| <span class="source-line-no">120</span><span id="line-120"> } catch (Exception e) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> LOG.warn("Failed to retrieve cluster metrics.", e);</span> |
| <span class="source-line-no">122</span><span id="line-122"> return Collections.emptyList();</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> return clusterMetrics.getLiveServerMetrics().entrySet().stream().flatMap(serverEntry -> {</span> |
| <span class="source-line-no">126</span><span id="line-126"> final ServerName serverName = serverEntry.getKey();</span> |
| <span class="source-line-no">127</span><span id="line-127"> final ServerMetrics serverMetrics = serverEntry.getValue();</span> |
| <span class="source-line-no">128</span><span id="line-128"> return serverMetrics.getRegionMetrics().values().stream().map(regionMetrics -> {</span> |
| <span class="source-line-no">129</span><span id="line-129"> final TableName tableName = RegionInfo.getTable(regionMetrics.getRegionName());</span> |
| <span class="source-line-no">130</span><span id="line-130"> return new RegionDetails(serverName, tableName, regionMetrics);</span> |
| <span class="source-line-no">131</span><span id="line-131"> });</span> |
| <span class="source-line-no">132</span><span id="line-132"> }).collect(Collectors.toList());</span> |
| <span class="source-line-no">133</span><span id="line-133"> }</span> |
| <span class="source-line-no">134</span><span id="line-134"></span> |
| <span class="source-line-no">135</span><span id="line-135"> @Override</span> |
| <span class="source-line-no">136</span><span id="line-136"> protected void addOptions() {</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140"> @Override</span> |
| <span class="source-line-no">141</span><span id="line-141"> protected void processOptions(CommandLine cmd) {</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"></span> |
| <span class="source-line-no">145</span><span id="line-145"> @Override</span> |
| <span class="source-line-no">146</span><span id="line-146"> protected int doWork() throws Exception {</span> |
| <span class="source-line-no">147</span><span id="line-147"> final Configuration conf = HBaseConfiguration.create(getConf());</span> |
| <span class="source-line-no">148</span><span id="line-148"> final AsyncConnection conn = ConnectionFactory.createAsyncConnection(conf).get();</span> |
| <span class="source-line-no">149</span><span id="line-149"> final RegionVisualizer viz = new RegionVisualizer(conn.getAdmin());</span> |
| <span class="source-line-no">150</span><span id="line-150"> System.out.println(viz.renderRegionDetails());</span> |
| <span class="source-line-no">151</span><span id="line-151"> return 0;</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> private static final class ByteArraySerializer implements JsonSerializer<byte[]> {</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> @Override</span> |
| <span class="source-line-no">157</span><span id="line-157"> public JsonElement serialize(byte[] src, Type typeOfSrc, JsonSerializationContext context) {</span> |
| <span class="source-line-no">158</span><span id="line-158"> return new JsonPrimitive(Bytes.toString(src));</span> |
| <span class="source-line-no">159</span><span id="line-159"> }</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"></span> |
| <span class="source-line-no">162</span><span id="line-162"> /**</span> |
| <span class="source-line-no">163</span><span id="line-163"> * Simplify representation of a {@link Size} instance by converting to bytes.</span> |
| <span class="source-line-no">164</span><span id="line-164"> */</span> |
| <span class="source-line-no">165</span><span id="line-165"> private static final class SizeAsBytesSerializer implements JsonSerializer<Size> {</span> |
| <span class="source-line-no">166</span><span id="line-166"></span> |
| <span class="source-line-no">167</span><span id="line-167"> @Override</span> |
| <span class="source-line-no">168</span><span id="line-168"> public JsonElement serialize(Size src, Type typeOfSrc, JsonSerializationContext context) {</span> |
| <span class="source-line-no">169</span><span id="line-169"> return new JsonPrimitive(src.get(Size.Unit.BYTE));</span> |
| <span class="source-line-no">170</span><span id="line-170"> }</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> /**</span> |
| <span class="source-line-no">174</span><span id="line-174"> * "Flatten" the serialized representation of a {@link RegionDetails}.</span> |
| <span class="source-line-no">175</span><span id="line-175"> */</span> |
| <span class="source-line-no">176</span><span id="line-176"> private static final class RegionDetailsSerializer implements JsonSerializer<RegionDetails> {</span> |
| <span class="source-line-no">177</span><span id="line-177"> @Override</span> |
| <span class="source-line-no">178</span><span id="line-178"> public JsonElement serialize(RegionDetails src, Type typeOfSrc,</span> |
| <span class="source-line-no">179</span><span id="line-179"> JsonSerializationContext context) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> final JsonObject jobj = (JsonObject) context.serialize(src.getRegionMetrics());</span> |
| <span class="source-line-no">181</span><span id="line-181"> jobj.addProperty("server_name", src.getServerName().toShortString());</span> |
| <span class="source-line-no">182</span><span id="line-182"> jobj.addProperty("table_name", src.getTableName().getNameAsString());</span> |
| <span class="source-line-no">183</span><span id="line-183"> return jobj;</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"> }</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> /**</span> |
| <span class="source-line-no">188</span><span id="line-188"> * POJO carrying detailed information about a region for use in visualizations. Intended to be</span> |
| <span class="source-line-no">189</span><span id="line-189"> * serialized to JSON and consumed from JavaScript.</span> |
| <span class="source-line-no">190</span><span id="line-190"> */</span> |
| <span class="source-line-no">191</span><span id="line-191"> public static final class RegionDetails {</span> |
| <span class="source-line-no">192</span><span id="line-192"> private final ServerName serverName;</span> |
| <span class="source-line-no">193</span><span id="line-193"> private final TableName tableName;</span> |
| <span class="source-line-no">194</span><span id="line-194"> private final RegionMetrics regionMetrics;</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> RegionDetails(final ServerName serverName, final TableName tableName,</span> |
| <span class="source-line-no">197</span><span id="line-197"> final RegionMetrics regionMetrics) {</span> |
| <span class="source-line-no">198</span><span id="line-198"> this.serverName = serverName;</span> |
| <span class="source-line-no">199</span><span id="line-199"> this.tableName = tableName;</span> |
| <span class="source-line-no">200</span><span id="line-200"> this.regionMetrics = regionMetrics;</span> |
| <span class="source-line-no">201</span><span id="line-201"> }</span> |
| <span class="source-line-no">202</span><span id="line-202"></span> |
| <span class="source-line-no">203</span><span id="line-203"> public ServerName getServerName() {</span> |
| <span class="source-line-no">204</span><span id="line-204"> return serverName;</span> |
| <span class="source-line-no">205</span><span id="line-205"> }</span> |
| <span class="source-line-no">206</span><span id="line-206"></span> |
| <span class="source-line-no">207</span><span id="line-207"> public TableName getTableName() {</span> |
| <span class="source-line-no">208</span><span id="line-208"> return tableName;</span> |
| <span class="source-line-no">209</span><span id="line-209"> }</span> |
| <span class="source-line-no">210</span><span id="line-210"></span> |
| <span class="source-line-no">211</span><span id="line-211"> public RegionMetrics getRegionMetrics() {</span> |
| <span class="source-line-no">212</span><span id="line-212"> return regionMetrics;</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"></span> |
| <span class="source-line-no">215</span><span id="line-215"> @Override</span> |
| <span class="source-line-no">216</span><span id="line-216"> public String toString() {</span> |
| <span class="source-line-no">217</span><span id="line-217"> return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)</span> |
| <span class="source-line-no">218</span><span id="line-218"> .append("serverName", serverName).append("tableName", tableName)</span> |
| <span class="source-line-no">219</span><span id="line-219"> .append("regionMetrics", regionMetrics).toString();</span> |
| <span class="source-line-no">220</span><span id="line-220"> }</span> |
| <span class="source-line-no">221</span><span id="line-221"></span> |
| <span class="source-line-no">222</span><span id="line-222"> @Override</span> |
| <span class="source-line-no">223</span><span id="line-223"> public boolean equals(Object o) {</span> |
| <span class="source-line-no">224</span><span id="line-224"> if (this == o) {</span> |
| <span class="source-line-no">225</span><span id="line-225"> return true;</span> |
| <span class="source-line-no">226</span><span id="line-226"> }</span> |
| <span class="source-line-no">227</span><span id="line-227"></span> |
| <span class="source-line-no">228</span><span id="line-228"> if (o == null || getClass() != o.getClass()) {</span> |
| <span class="source-line-no">229</span><span id="line-229"> return false;</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"></span> |
| <span class="source-line-no">232</span><span id="line-232"> RegionDetails that = (RegionDetails) o;</span> |
| <span class="source-line-no">233</span><span id="line-233"></span> |
| <span class="source-line-no">234</span><span id="line-234"> return new EqualsBuilder().append(serverName, that.serverName)</span> |
| <span class="source-line-no">235</span><span id="line-235"> .append(tableName, that.tableName).append(regionMetrics, that.regionMetrics).isEquals();</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"></span> |
| <span class="source-line-no">238</span><span id="line-238"> @Override</span> |
| <span class="source-line-no">239</span><span id="line-239"> public int hashCode() {</span> |
| <span class="source-line-no">240</span><span id="line-240"> return new HashCodeBuilder(17, 37).append(serverName).append(tableName).append(regionMetrics)</span> |
| <span class="source-line-no">241</span><span id="line-241"> .toHashCode();</span> |
| <span class="source-line-no">242</span><span id="line-242"> }</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
