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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.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RegionStateTransitionState.REGION_STATE_TRANSITION_OPEN;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertThrows;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.ArrayList;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Arrays;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.List;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.CountDownLatch;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure.TransitionType;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.procedure2.Procedure;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.AfterClass;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.Before;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.ClassRule;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.Rule;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.Test;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.slf4j.Logger;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RegionStateTransitionState;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">/**</span> |
| <span class="source-line-no">056</span><span id="line-56"> * Tests bypass on a region assign/unassign</span> |
| <span class="source-line-no">057</span><span id="line-57"> */</span> |
| <span class="source-line-no">058</span><span id="line-58">@Category({ LargeTests.class })</span> |
| <span class="source-line-no">059</span><span id="line-59">public class TestRegionBypass {</span> |
| <span class="source-line-no">060</span><span id="line-60"> private final static Logger LOG = LoggerFactory.getLogger(TestRegionBypass.class);</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> @ClassRule</span> |
| <span class="source-line-no">063</span><span id="line-63"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">064</span><span id="line-64"> HBaseClassTestRule.forClass(TestRegionBypass.class);</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @Rule</span> |
| <span class="source-line-no">067</span><span id="line-67"> public TestName name = new TestName();</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">070</span><span id="line-70"> private TableName tableName;</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @BeforeClass</span> |
| <span class="source-line-no">073</span><span id="line-73"> public static void startCluster() throws Exception {</span> |
| <span class="source-line-no">074</span><span id="line-74"> TEST_UTIL.startMiniCluster(2);</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"> @AfterClass</span> |
| <span class="source-line-no">078</span><span id="line-78"> public static void stopCluster() throws Exception {</span> |
| <span class="source-line-no">079</span><span id="line-79"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> @Before</span> |
| <span class="source-line-no">083</span><span id="line-83"> public void before() throws IOException {</span> |
| <span class="source-line-no">084</span><span id="line-84"> this.tableName = TableName.valueOf(this.name.getMethodName());</span> |
| <span class="source-line-no">085</span><span id="line-85"> // Create a table. Has one region at least.</span> |
| <span class="source-line-no">086</span><span id="line-86"> TEST_UTIL.createTable(this.tableName, Bytes.toBytes("cf"));</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"></span> |
| <span class="source-line-no">090</span><span id="line-90"> @Test</span> |
| <span class="source-line-no">091</span><span id="line-91"> public void testBypass() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">092</span><span id="line-92"> Admin admin = TEST_UTIL.getAdmin();</span> |
| <span class="source-line-no">093</span><span id="line-93"> MasterProcedureEnv env =</span> |
| <span class="source-line-no">094</span><span id="line-94"> TEST_UTIL.getHBaseCluster().getMaster().getMasterProcedureExecutor().getEnvironment();</span> |
| <span class="source-line-no">095</span><span id="line-95"> List<RegionInfo> regions = admin.getRegions(this.tableName);</span> |
| <span class="source-line-no">096</span><span id="line-96"> for (RegionInfo ri : regions) {</span> |
| <span class="source-line-no">097</span><span id="line-97"> admin.unassign(ri.getRegionName());</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"> List<Long> pids = new ArrayList<>(regions.size());</span> |
| <span class="source-line-no">100</span><span id="line-100"> for (RegionInfo ri : regions) {</span> |
| <span class="source-line-no">101</span><span id="line-101"> Procedure<MasterProcedureEnv> p =</span> |
| <span class="source-line-no">102</span><span id="line-102"> new StallingAssignProcedure(env, ri, null, false, TransitionType.ASSIGN);</span> |
| <span class="source-line-no">103</span><span id="line-103"> pids.add(</span> |
| <span class="source-line-no">104</span><span id="line-104"> TEST_UTIL.getHBaseCluster().getMaster().getMasterProcedureExecutor().submitProcedure(p));</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106"> TEST_UTIL.waitFor(30000, () -> pids.stream().allMatch(</span> |
| <span class="source-line-no">107</span><span id="line-107"> pid -> TEST_UTIL.getHBaseCluster().getMaster().getMasterProcedureExecutor().isStarted(pid)));</span> |
| <span class="source-line-no">108</span><span id="line-108"> List<Procedure<MasterProcedureEnv>> ps =</span> |
| <span class="source-line-no">109</span><span id="line-109"> TEST_UTIL.getHBaseCluster().getMaster().getMasterProcedureExecutor().getProcedures();</span> |
| <span class="source-line-no">110</span><span id="line-110"> for (Procedure<MasterProcedureEnv> p : ps) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> if (p instanceof StallingAssignProcedure) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> List<Boolean> bs =</span> |
| <span class="source-line-no">113</span><span id="line-113"> TEST_UTIL.getHbck().bypassProcedure(Arrays.asList(p.getProcId()), 1000, true, false);</span> |
| <span class="source-line-no">114</span><span id="line-114"> for (Boolean b : bs) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> LOG.info("BYPASSED {} {}", p.getProcId(), b);</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"> // Try and assign WITHOUT override flag. Should fail!.</span> |
| <span class="source-line-no">120</span><span id="line-120"> for (RegionInfo ri : regions) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> IOException error = assertThrows(IOException.class, () -> admin.assign(ri.getRegionName()));</span> |
| <span class="source-line-no">122</span><span id="line-122"> LOG.info("Expected {}", error);</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"> TEST_UTIL.waitFor(30000, () -> TEST_UTIL.getHBaseCluster().getMaster()</span> |
| <span class="source-line-no">125</span><span id="line-125"> .getMasterProcedureExecutor().getActiveProcIds().isEmpty());</span> |
| <span class="source-line-no">126</span><span id="line-126"> // Now assign with the override flag.</span> |
| <span class="source-line-no">127</span><span id="line-127"> for (RegionInfo ri : regions) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> TEST_UTIL.getHbck().assigns(Arrays.<String> asList(ri.getEncodedName()), true, true);</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"> TEST_UTIL.waitFor(60000, () -> TEST_UTIL.getHBaseCluster().getMaster()</span> |
| <span class="source-line-no">131</span><span id="line-131"> .getMasterProcedureExecutor().getActiveProcIds().isEmpty());</span> |
| <span class="source-line-no">132</span><span id="line-132"> for (RegionInfo ri : regions) {</span> |
| <span class="source-line-no">133</span><span id="line-133"> assertTrue(ri.toString(), TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager()</span> |
| <span class="source-line-no">134</span><span id="line-134"> .getRegionStates().isRegionOnline(ri));</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</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"> * An AssignProcedure that Stalls just before the finish.</span> |
| <span class="source-line-no">140</span><span id="line-140"> */</span> |
| <span class="source-line-no">141</span><span id="line-141"> public static class StallingAssignProcedure extends TransitRegionStateProcedure {</span> |
| <span class="source-line-no">142</span><span id="line-142"> public final CountDownLatch latch = new CountDownLatch(2);</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> public StallingAssignProcedure() {</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> public StallingAssignProcedure(MasterProcedureEnv env, RegionInfo hri,</span> |
| <span class="source-line-no">148</span><span id="line-148"> ServerName assignCandidate, boolean forceNewPlan, TransitionType type) {</span> |
| <span class="source-line-no">149</span><span id="line-149"> super(env, hri, assignCandidate, forceNewPlan, type);</span> |
| <span class="source-line-no">150</span><span id="line-150"> init(env);</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> private void init(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> RegionStateNode regionNode =</span> |
| <span class="source-line-no">155</span><span id="line-155"> env.getAssignmentManager().getRegionStates().getOrCreateRegionStateNode(getRegion());</span> |
| <span class="source-line-no">156</span><span id="line-156"> regionNode.setProcedure(this);</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> @Override</span> |
| <span class="source-line-no">160</span><span id="line-160"> protected Flow executeFromState(MasterProcedureEnv env, RegionStateTransitionState state)</span> |
| <span class="source-line-no">161</span><span id="line-161"> throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException {</span> |
| <span class="source-line-no">162</span><span id="line-162"> // add a sleep so we will not consume all the CPUs and write a bunch of logs</span> |
| <span class="source-line-no">163</span><span id="line-163"> Thread.sleep(100);</span> |
| <span class="source-line-no">164</span><span id="line-164"> switch (state) {</span> |
| <span class="source-line-no">165</span><span id="line-165"> case REGION_STATE_TRANSITION_GET_ASSIGN_CANDIDATE:</span> |
| <span class="source-line-no">166</span><span id="line-166"> LOG.info("LATCH1 {}", this.latch.getCount());</span> |
| <span class="source-line-no">167</span><span id="line-167"> this.latch.countDown();</span> |
| <span class="source-line-no">168</span><span id="line-168"> setNextState(REGION_STATE_TRANSITION_OPEN);</span> |
| <span class="source-line-no">169</span><span id="line-169"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">170</span><span id="line-170"> case REGION_STATE_TRANSITION_OPEN:</span> |
| <span class="source-line-no">171</span><span id="line-171"> if (latch.getCount() == 0) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> LOG.info("LATCH3 {}", this.latch.getCount());</span> |
| <span class="source-line-no">173</span><span id="line-173"> return Flow.NO_MORE_STATE;</span> |
| <span class="source-line-no">174</span><span id="line-174"> } else {</span> |
| <span class="source-line-no">175</span><span id="line-175"> LOG.info("LATCH2 {}", this.latch.getCount());</span> |
| <span class="source-line-no">176</span><span id="line-176"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">177</span><span id="line-177"> }</span> |
| <span class="source-line-no">178</span><span id="line-178"> default:</span> |
| <span class="source-line-no">179</span><span id="line-179"> throw new UnsupportedOperationException("unhandled state=" + state);</span> |
| <span class="source-line-no">180</span><span id="line-180"> }</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183">}</span> |
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| </main> |
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| </html> |
