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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.assignment;</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 static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertNotNull;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Set;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.Waiter;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.Waiter.ExplainingPredicate;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.master.HMaster;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.master.RegionState.State;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.master.procedure.ProcedureSyncWait;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.slf4j.Logger;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43">@InterfaceAudience.Private</span> |
| <span class="source-line-no">044</span><span id="line-44">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">045</span><span id="line-45">public final class AssignmentTestingUtil {</span> |
| <span class="source-line-no">046</span><span id="line-46"> private static final Logger LOG = LoggerFactory.getLogger(AssignmentTestingUtil.class);</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> private AssignmentTestingUtil() {</span> |
| <span class="source-line-no">049</span><span id="line-49"> }</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> public static void waitForRegionToBeInTransition(final HBaseTestingUtil util,</span> |
| <span class="source-line-no">052</span><span id="line-52"> final RegionInfo hri) throws Exception {</span> |
| <span class="source-line-no">053</span><span id="line-53"> while (!getMaster(util).getAssignmentManager().getRegionStates().isRegionInTransition(hri)) {</span> |
| <span class="source-line-no">054</span><span id="line-54"> Threads.sleep(10);</span> |
| <span class="source-line-no">055</span><span id="line-55"> }</span> |
| <span class="source-line-no">056</span><span id="line-56"> }</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> public static void waitForRsToBeDead(final HBaseTestingUtil util, final ServerName serverName)</span> |
| <span class="source-line-no">059</span><span id="line-59"> throws Exception {</span> |
| <span class="source-line-no">060</span><span id="line-60"> util.waitFor(60000, new ExplainingPredicate<Exception>() {</span> |
| <span class="source-line-no">061</span><span id="line-61"> @Override</span> |
| <span class="source-line-no">062</span><span id="line-62"> public boolean evaluate() {</span> |
| <span class="source-line-no">063</span><span id="line-63"> return getMaster(util).getServerManager().isServerDead(serverName);</span> |
| <span class="source-line-no">064</span><span id="line-64"> }</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @Override</span> |
| <span class="source-line-no">067</span><span id="line-67"> public String explainFailure() {</span> |
| <span class="source-line-no">068</span><span id="line-68"> return "Server " + serverName + " is not dead";</span> |
| <span class="source-line-no">069</span><span id="line-69"> }</span> |
| <span class="source-line-no">070</span><span id="line-70"> });</span> |
| <span class="source-line-no">071</span><span id="line-71"> }</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> public static void stopRs(final HBaseTestingUtil util, final ServerName serverName)</span> |
| <span class="source-line-no">074</span><span id="line-74"> throws Exception {</span> |
| <span class="source-line-no">075</span><span id="line-75"> LOG.info("STOP REGION SERVER " + serverName);</span> |
| <span class="source-line-no">076</span><span id="line-76"> util.getMiniHBaseCluster().stopRegionServer(serverName);</span> |
| <span class="source-line-no">077</span><span id="line-77"> waitForRsToBeDead(util, serverName);</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> public static void killRs(final HBaseTestingUtil util, final ServerName serverName)</span> |
| <span class="source-line-no">081</span><span id="line-81"> throws Exception {</span> |
| <span class="source-line-no">082</span><span id="line-82"> LOG.info("KILL REGION SERVER " + serverName);</span> |
| <span class="source-line-no">083</span><span id="line-83"> util.getMiniHBaseCluster().killRegionServer(serverName);</span> |
| <span class="source-line-no">084</span><span id="line-84"> waitForRsToBeDead(util, serverName);</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> public static void crashRs(final HBaseTestingUtil util, final ServerName serverName,</span> |
| <span class="source-line-no">088</span><span id="line-88"> final boolean kill) throws Exception {</span> |
| <span class="source-line-no">089</span><span id="line-89"> if (kill) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> killRs(util, serverName);</span> |
| <span class="source-line-no">091</span><span id="line-91"> } else {</span> |
| <span class="source-line-no">092</span><span id="line-92"> stopRs(util, serverName);</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> public static ServerName crashRsWithRegion(final HBaseTestingUtil util, final RegionInfo hri,</span> |
| <span class="source-line-no">097</span><span id="line-97"> final boolean kill) throws Exception {</span> |
| <span class="source-line-no">098</span><span id="line-98"> ServerName serverName = getServerHoldingRegion(util, hri);</span> |
| <span class="source-line-no">099</span><span id="line-99"> crashRs(util, serverName, kill);</span> |
| <span class="source-line-no">100</span><span id="line-100"> return serverName;</span> |
| <span class="source-line-no">101</span><span id="line-101"> }</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> public static ServerName getServerHoldingRegion(final HBaseTestingUtil util, final RegionInfo hri)</span> |
| <span class="source-line-no">104</span><span id="line-104"> throws Exception {</span> |
| <span class="source-line-no">105</span><span id="line-105"> ServerName serverName =</span> |
| <span class="source-line-no">106</span><span id="line-106"> util.getMiniHBaseCluster().getServerHoldingRegion(hri.getTable(), hri.getRegionName());</span> |
| <span class="source-line-no">107</span><span id="line-107"> ServerName amServerName =</span> |
| <span class="source-line-no">108</span><span id="line-108"> getMaster(util).getAssignmentManager().getRegionStates().getRegionServerOfRegion(hri);</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> // Make sure AM and MiniCluster agrees on the Server holding the region</span> |
| <span class="source-line-no">111</span><span id="line-111"> // and that the server is online.</span> |
| <span class="source-line-no">112</span><span id="line-112"> assertEquals(amServerName, serverName);</span> |
| <span class="source-line-no">113</span><span id="line-113"> assertEquals(true, getMaster(util).getServerManager().isServerOnline(serverName));</span> |
| <span class="source-line-no">114</span><span id="line-114"> return serverName;</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> public static boolean isServerHoldingMeta(final HBaseTestingUtil util,</span> |
| <span class="source-line-no">118</span><span id="line-118"> final ServerName serverName) throws Exception {</span> |
| <span class="source-line-no">119</span><span id="line-119"> for (RegionInfo hri : getMetaRegions(util)) {</span> |
| <span class="source-line-no">120</span><span id="line-120"> if (serverName.equals(getServerHoldingRegion(util, hri))) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> return true;</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"> return false;</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"></span> |
| <span class="source-line-no">127</span><span id="line-127"> public static Set<RegionInfo> getMetaRegions(final HBaseTestingUtil util) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> return getMaster(util).getAssignmentManager().getMetaRegionSet();</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> private static HMaster getMaster(final HBaseTestingUtil util) {</span> |
| <span class="source-line-no">132</span><span id="line-132"> return util.getMiniHBaseCluster().getMaster();</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"> public static boolean waitForAssignment(AssignmentManager am, RegionInfo regionInfo)</span> |
| <span class="source-line-no">136</span><span id="line-136"> throws IOException {</span> |
| <span class="source-line-no">137</span><span id="line-137"> // This method can be called before the regionInfo has made it into the regionStateMap</span> |
| <span class="source-line-no">138</span><span id="line-138"> // so wait around here a while.</span> |
| <span class="source-line-no">139</span><span id="line-139"> Waiter.waitFor(am.getConfiguration(), 10000,</span> |
| <span class="source-line-no">140</span><span id="line-140"> () -> am.getRegionStates().getRegionStateNode(regionInfo) != null);</span> |
| <span class="source-line-no">141</span><span id="line-141"> RegionStateNode regionNode = am.getRegionStates().getRegionStateNode(regionInfo);</span> |
| <span class="source-line-no">142</span><span id="line-142"> // Wait until the region has already been open, or we have a TRSP along with it.</span> |
| <span class="source-line-no">143</span><span id="line-143"> Waiter.waitFor(am.getConfiguration(), 30000,</span> |
| <span class="source-line-no">144</span><span id="line-144"> () -> regionNode.isInState(State.OPEN) || regionNode.isInTransition());</span> |
| <span class="source-line-no">145</span><span id="line-145"> TransitRegionStateProcedure proc = regionNode.getProcedure();</span> |
| <span class="source-line-no">146</span><span id="line-146"> regionNode.lock();</span> |
| <span class="source-line-no">147</span><span id="line-147"> try {</span> |
| <span class="source-line-no">148</span><span id="line-148"> if (regionNode.isInState(State.OPEN)) {</span> |
| <span class="source-line-no">149</span><span id="line-149"> return true;</span> |
| <span class="source-line-no">150</span><span id="line-150"> }</span> |
| <span class="source-line-no">151</span><span id="line-151"> proc = regionNode.getProcedure();</span> |
| <span class="source-line-no">152</span><span id="line-152"> } finally {</span> |
| <span class="source-line-no">153</span><span id="line-153"> regionNode.unlock();</span> |
| <span class="source-line-no">154</span><span id="line-154"> }</span> |
| <span class="source-line-no">155</span><span id="line-155"> assertNotNull(proc);</span> |
| <span class="source-line-no">156</span><span id="line-156"> ProcedureSyncWait.waitForProcedureToCompleteIOE(am.getMaster().getMasterProcedureExecutor(),</span> |
| <span class="source-line-no">157</span><span id="line-157"> proc, 5L * 60 * 1000);</span> |
| <span class="source-line-no">158</span><span id="line-158"> return true;</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"> public static void insertData(final HBaseTestingUtil UTIL, final TableName tableName,</span> |
| <span class="source-line-no">162</span><span id="line-162"> int rowCount, int startRowNum, String... cfs) throws IOException {</span> |
| <span class="source-line-no">163</span><span id="line-163"> insertData(UTIL, tableName, rowCount, startRowNum, false, cfs);</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"></span> |
| <span class="source-line-no">166</span><span id="line-166"> public static void insertData(final HBaseTestingUtil UTIL, final TableName tableName,</span> |
| <span class="source-line-no">167</span><span id="line-167"> int rowCount, int startRowNum, boolean flushOnce, String... cfs) throws IOException {</span> |
| <span class="source-line-no">168</span><span id="line-168"> Table t = UTIL.getConnection().getTable(tableName);</span> |
| <span class="source-line-no">169</span><span id="line-169"> Put p;</span> |
| <span class="source-line-no">170</span><span id="line-170"> for (int i = 0; i < rowCount / 2; i++) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> p = new Put(Bytes.toBytes("" + (startRowNum + i)));</span> |
| <span class="source-line-no">172</span><span id="line-172"> for (String cf : cfs) {</span> |
| <span class="source-line-no">173</span><span id="line-173"> p.addColumn(Bytes.toBytes(cf), Bytes.toBytes("q"), Bytes.toBytes(i));</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"> t.put(p);</span> |
| <span class="source-line-no">176</span><span id="line-176"> p = new Put(Bytes.toBytes("" + (startRowNum + rowCount - i - 1)));</span> |
| <span class="source-line-no">177</span><span id="line-177"> for (String cf : cfs) {</span> |
| <span class="source-line-no">178</span><span id="line-178"> p.addColumn(Bytes.toBytes(cf), Bytes.toBytes("q"), Bytes.toBytes(i));</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"> t.put(p);</span> |
| <span class="source-line-no">181</span><span id="line-181"> if (i % 5 == 0 && !flushOnce) {</span> |
| <span class="source-line-no">182</span><span id="line-182"> UTIL.getAdmin().flush(tableName);</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"> if (flushOnce) {</span> |
| <span class="source-line-no">186</span><span id="line-186"> UTIL.getAdmin().flush(tableName);</span> |
| <span class="source-line-no">187</span><span id="line-187"> }</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189">}</span> |
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| </div> |
| </main> |
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| </html> |
