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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.AbstractMap.SimpleImmutableEntry;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.Collections;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.HashMap;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Map;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.Map.Entry;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.commons.lang3.StringUtils;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ServerName;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.TableName;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.quotas.QuotaObserverChore;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.PairOfSameType;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>/**<a name="line.39"></a>
<span class="sourceLineNo">040</span> * Impl for exposing HMaster Information through JMX<a name="line.40"></a>
<span class="sourceLineNo">041</span> */<a name="line.41"></a>
<span class="sourceLineNo">042</span>@InterfaceAudience.Private<a name="line.42"></a>
<span class="sourceLineNo">043</span>public class MetricsMasterWrapperImpl implements MetricsMasterWrapper {<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span> private final HMaster master;<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span> public MetricsMasterWrapperImpl(final HMaster master) {<a name="line.47"></a>
<span class="sourceLineNo">048</span> this.master = master;<a name="line.48"></a>
<span class="sourceLineNo">049</span> }<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span> @Override<a name="line.51"></a>
<span class="sourceLineNo">052</span> public double getAverageLoad() {<a name="line.52"></a>
<span class="sourceLineNo">053</span> return master.getAverageLoad();<a name="line.53"></a>
<span class="sourceLineNo">054</span> }<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span> @Override<a name="line.56"></a>
<span class="sourceLineNo">057</span> public long getSplitPlanCount() {<a name="line.57"></a>
<span class="sourceLineNo">058</span> return master.getSplitPlanCount();<a name="line.58"></a>
<span class="sourceLineNo">059</span> }<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> @Override<a name="line.61"></a>
<span class="sourceLineNo">062</span> public long getMergePlanCount() {<a name="line.62"></a>
<span class="sourceLineNo">063</span> return master.getMergePlanCount();<a name="line.63"></a>
<span class="sourceLineNo">064</span> }<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> @Override<a name="line.66"></a>
<span class="sourceLineNo">067</span> public long getMasterInitializationTime() {<a name="line.67"></a>
<span class="sourceLineNo">068</span> return master.getMasterFinishedInitializationTime();<a name="line.68"></a>
<span class="sourceLineNo">069</span> }<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span> @Override<a name="line.71"></a>
<span class="sourceLineNo">072</span> public String getClusterId() {<a name="line.72"></a>
<span class="sourceLineNo">073</span> return master.getClusterId();<a name="line.73"></a>
<span class="sourceLineNo">074</span> }<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span> @Override<a name="line.76"></a>
<span class="sourceLineNo">077</span> public String getZookeeperQuorum() {<a name="line.77"></a>
<span class="sourceLineNo">078</span> ZKWatcher zk = master.getZooKeeper();<a name="line.78"></a>
<span class="sourceLineNo">079</span> if (zk == null) {<a name="line.79"></a>
<span class="sourceLineNo">080</span> return "";<a name="line.80"></a>
<span class="sourceLineNo">081</span> }<a name="line.81"></a>
<span class="sourceLineNo">082</span> return zk.getQuorum();<a name="line.82"></a>
<span class="sourceLineNo">083</span> }<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> @Override<a name="line.85"></a>
<span class="sourceLineNo">086</span> public String[] getCoprocessors() {<a name="line.86"></a>
<span class="sourceLineNo">087</span> return master.getMasterCoprocessors();<a name="line.87"></a>
<span class="sourceLineNo">088</span> }<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> @Override<a name="line.90"></a>
<span class="sourceLineNo">091</span> public long getStartTime() {<a name="line.91"></a>
<span class="sourceLineNo">092</span> return master.getMasterStartTime();<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span> @Override<a name="line.95"></a>
<span class="sourceLineNo">096</span> public long getActiveTime() {<a name="line.96"></a>
<span class="sourceLineNo">097</span> return master.getMasterActiveTime();<a name="line.97"></a>
<span class="sourceLineNo">098</span> }<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span> @Override<a name="line.100"></a>
<span class="sourceLineNo">101</span> public String getRegionServers() {<a name="line.101"></a>
<span class="sourceLineNo">102</span> ServerManager serverManager = this.master.getServerManager();<a name="line.102"></a>
<span class="sourceLineNo">103</span> if (serverManager == null) {<a name="line.103"></a>
<span class="sourceLineNo">104</span> return "";<a name="line.104"></a>
<span class="sourceLineNo">105</span> }<a name="line.105"></a>
<span class="sourceLineNo">106</span> return StringUtils.join(serverManager.getOnlineServers().keySet(), ";");<a name="line.106"></a>
<span class="sourceLineNo">107</span> }<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span> @Override<a name="line.109"></a>
<span class="sourceLineNo">110</span> public int getNumRegionServers() {<a name="line.110"></a>
<span class="sourceLineNo">111</span> ServerManager serverManager = this.master.getServerManager();<a name="line.111"></a>
<span class="sourceLineNo">112</span> if (serverManager == null) {<a name="line.112"></a>
<span class="sourceLineNo">113</span> return 0;<a name="line.113"></a>
<span class="sourceLineNo">114</span> }<a name="line.114"></a>
<span class="sourceLineNo">115</span> return serverManager.getOnlineServers().size();<a name="line.115"></a>
<span class="sourceLineNo">116</span> }<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span> @Override<a name="line.118"></a>
<span class="sourceLineNo">119</span> public String getDeadRegionServers() {<a name="line.119"></a>
<span class="sourceLineNo">120</span> ServerManager serverManager = this.master.getServerManager();<a name="line.120"></a>
<span class="sourceLineNo">121</span> if (serverManager == null) {<a name="line.121"></a>
<span class="sourceLineNo">122</span> return "";<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span> return StringUtils.join(serverManager.getDeadServers().copyServerNames(), ";");<a name="line.124"></a>
<span class="sourceLineNo">125</span> }<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span> @Override<a name="line.128"></a>
<span class="sourceLineNo">129</span> public int getNumDeadRegionServers() {<a name="line.129"></a>
<span class="sourceLineNo">130</span> ServerManager serverManager = this.master.getServerManager();<a name="line.130"></a>
<span class="sourceLineNo">131</span> if (serverManager == null) {<a name="line.131"></a>
<span class="sourceLineNo">132</span> return 0;<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span> return serverManager.getDeadServers().size();<a name="line.134"></a>
<span class="sourceLineNo">135</span> }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span> @Override<a name="line.137"></a>
<span class="sourceLineNo">138</span> public String getServerName() {<a name="line.138"></a>
<span class="sourceLineNo">139</span> ServerName serverName = master.getServerName();<a name="line.139"></a>
<span class="sourceLineNo">140</span> if (serverName == null) {<a name="line.140"></a>
<span class="sourceLineNo">141</span> return "";<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span> return serverName.getServerName();<a name="line.143"></a>
<span class="sourceLineNo">144</span> }<a name="line.144"></a>
<span class="sourceLineNo">145</span><a name="line.145"></a>
<span class="sourceLineNo">146</span> @Override<a name="line.146"></a>
<span class="sourceLineNo">147</span> public boolean getIsActiveMaster() {<a name="line.147"></a>
<span class="sourceLineNo">148</span> return master.isActiveMaster();<a name="line.148"></a>
<span class="sourceLineNo">149</span> }<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span> @Override<a name="line.151"></a>
<span class="sourceLineNo">152</span> public long getNumWALFiles() {<a name="line.152"></a>
<span class="sourceLineNo">153</span> return master.getNumWALFiles();<a name="line.153"></a>
<span class="sourceLineNo">154</span> }<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span> @Override<a name="line.156"></a>
<span class="sourceLineNo">157</span> public Map&lt;String,Entry&lt;Long,Long&gt;&gt; getTableSpaceUtilization() {<a name="line.157"></a>
<span class="sourceLineNo">158</span> QuotaObserverChore quotaChore = master.getQuotaObserverChore();<a name="line.158"></a>
<span class="sourceLineNo">159</span> if (quotaChore == null) {<a name="line.159"></a>
<span class="sourceLineNo">160</span> return Collections.emptyMap();<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span> Map&lt;TableName,SpaceQuotaSnapshot&gt; tableSnapshots = quotaChore.getTableQuotaSnapshots();<a name="line.162"></a>
<span class="sourceLineNo">163</span> Map&lt;String,Entry&lt;Long,Long&gt;&gt; convertedData = new HashMap&lt;&gt;();<a name="line.163"></a>
<span class="sourceLineNo">164</span> for (Entry&lt;TableName,SpaceQuotaSnapshot&gt; entry : tableSnapshots.entrySet()) {<a name="line.164"></a>
<span class="sourceLineNo">165</span> convertedData.put(entry.getKey().toString(), convertSnapshot(entry.getValue()));<a name="line.165"></a>
<span class="sourceLineNo">166</span> }<a name="line.166"></a>
<span class="sourceLineNo">167</span> return convertedData;<a name="line.167"></a>
<span class="sourceLineNo">168</span> }<a name="line.168"></a>
<span class="sourceLineNo">169</span><a name="line.169"></a>
<span class="sourceLineNo">170</span> @Override<a name="line.170"></a>
<span class="sourceLineNo">171</span> public Map&lt;String,Entry&lt;Long,Long&gt;&gt; getNamespaceSpaceUtilization() {<a name="line.171"></a>
<span class="sourceLineNo">172</span> QuotaObserverChore quotaChore = master.getQuotaObserverChore();<a name="line.172"></a>
<span class="sourceLineNo">173</span> if (quotaChore == null) {<a name="line.173"></a>
<span class="sourceLineNo">174</span> return Collections.emptyMap();<a name="line.174"></a>
<span class="sourceLineNo">175</span> }<a name="line.175"></a>
<span class="sourceLineNo">176</span> Map&lt;String,SpaceQuotaSnapshot&gt; namespaceSnapshots = quotaChore.getNamespaceQuotaSnapshots();<a name="line.176"></a>
<span class="sourceLineNo">177</span> Map&lt;String,Entry&lt;Long,Long&gt;&gt; convertedData = new HashMap&lt;&gt;();<a name="line.177"></a>
<span class="sourceLineNo">178</span> for (Entry&lt;String,SpaceQuotaSnapshot&gt; entry : namespaceSnapshots.entrySet()) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> convertedData.put(entry.getKey(), convertSnapshot(entry.getValue()));<a name="line.179"></a>
<span class="sourceLineNo">180</span> }<a name="line.180"></a>
<span class="sourceLineNo">181</span> return convertedData;<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span> Entry&lt;Long,Long&gt; convertSnapshot(SpaceQuotaSnapshot snapshot) {<a name="line.184"></a>
<span class="sourceLineNo">185</span> return new SimpleImmutableEntry&lt;Long,Long&gt;(snapshot.getUsage(), snapshot.getLimit());<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
<span class="sourceLineNo">188</span> @Override<a name="line.188"></a>
<span class="sourceLineNo">189</span> public PairOfSameType&lt;Integer&gt; getRegionCounts() {<a name="line.189"></a>
<span class="sourceLineNo">190</span> try {<a name="line.190"></a>
<span class="sourceLineNo">191</span> if (!master.isInitialized()) {<a name="line.191"></a>
<span class="sourceLineNo">192</span> return new PairOfSameType&lt;&gt;(0, 0);<a name="line.192"></a>
<span class="sourceLineNo">193</span> }<a name="line.193"></a>
<span class="sourceLineNo">194</span> Integer onlineRegionCount = 0;<a name="line.194"></a>
<span class="sourceLineNo">195</span> Integer offlineRegionCount = 0;<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> List&lt;TableDescriptor&gt; descriptors = master.listTableDescriptors(null, null,<a name="line.197"></a>
<span class="sourceLineNo">198</span> null, false);<a name="line.198"></a>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span> for (TableDescriptor htDesc : descriptors) {<a name="line.200"></a>
<span class="sourceLineNo">201</span> TableName tableName = htDesc.getTableName();<a name="line.201"></a>
<span class="sourceLineNo">202</span> Map&lt;RegionState.State, List&lt;RegionInfo&gt;&gt; tableRegions =<a name="line.202"></a>
<span class="sourceLineNo">203</span> master.getAssignmentManager().getRegionStates()<a name="line.203"></a>
<span class="sourceLineNo">204</span> .getRegionByStateOfTable(tableName);<a name="line.204"></a>
<span class="sourceLineNo">205</span> onlineRegionCount += tableRegions.get(RegionState.State.OPEN).size();<a name="line.205"></a>
<span class="sourceLineNo">206</span> offlineRegionCount += tableRegions.get(RegionState.State.OFFLINE).size();<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span> return new PairOfSameType&lt;&gt;(onlineRegionCount, offlineRegionCount);<a name="line.208"></a>
<span class="sourceLineNo">209</span> } catch (IOException e) {<a name="line.209"></a>
<span class="sourceLineNo">210</span> return new PairOfSameType&lt;&gt;(0, 0);<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span> }<a name="line.212"></a>
<span class="sourceLineNo">213</span>}<a name="line.213"></a>
</pre>
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