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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.procedure;</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.hamcrest.MatcherAssert.assertThat;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.hamcrest.Matchers.everyItem;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertFalse;</span> |
| <span class="source-line-no">024</span><span id="line-24"></span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.master.HMaster;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.master.assignment.AssignmentManager;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.master.assignment.RegionStateNode;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.procedure2.Procedure;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.hamcrest.BaseMatcher;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.hamcrest.Description;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.hamcrest.Matcher;</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.BeforeClass;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.ClassRule;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.Test;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;</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"> * Testcase for HBASE-28240.</span> |
| <span class="source-line-no">052</span><span id="line-52"> */</span> |
| <span class="source-line-no">053</span><span id="line-53">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">054</span><span id="line-54">public class TestSuspendTRSPWhenHoldingRegionStateNodeLock {</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> @ClassRule</span> |
| <span class="source-line-no">057</span><span id="line-57"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">058</span><span id="line-58"> HBaseClassTestRule.forClass(TestSuspendTRSPWhenHoldingRegionStateNodeLock.class);</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> private static final HBaseTestingUtil HBTU = new HBaseTestingUtil();</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> private static TableName TABLE_NAME = TableName.valueOf("test");</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> private static byte[] FAMILY = Bytes.toBytes("family");</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @BeforeClass</span> |
| <span class="source-line-no">067</span><span id="line-67"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">068</span><span id="line-68"> HBTU.startMiniCluster(2);</span> |
| <span class="source-line-no">069</span><span id="line-69"> HBTU.createTable(TABLE_NAME, FAMILY);</span> |
| <span class="source-line-no">070</span><span id="line-70"> HBTU.waitTableAvailable(TABLE_NAME);</span> |
| <span class="source-line-no">071</span><span id="line-71"> HBTU.getAdmin().balancerSwitch(false, true);</span> |
| <span class="source-line-no">072</span><span id="line-72"> HBTU.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> @AfterClass</span> |
| <span class="source-line-no">076</span><span id="line-76"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">077</span><span id="line-77"> HBTU.shutdownMiniCluster();</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"> private <T> Matcher<Procedure<T>> notChildOf(long procId) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> return new BaseMatcher<Procedure<T>>() {</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> @Override</span> |
| <span class="source-line-no">084</span><span id="line-84"> public boolean matches(Object item) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> if (!(item instanceof Procedure)) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> return false;</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"> Procedure<?> proc = (Procedure<?>) item;</span> |
| <span class="source-line-no">089</span><span id="line-89"> return !proc.hasParent() || proc.getRootProcId() != procId;</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> @Override</span> |
| <span class="source-line-no">093</span><span id="line-93"> public void describeTo(Description description) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> description.appendText("not a child of pid=").appendValue(procId);</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"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> @Test</span> |
| <span class="source-line-no">100</span><span id="line-100"> public void testSuspend() throws Exception {</span> |
| <span class="source-line-no">101</span><span id="line-101"> HMaster master = HBTU.getMiniHBaseCluster().getMaster();</span> |
| <span class="source-line-no">102</span><span id="line-102"> AssignmentManager am = master.getAssignmentManager();</span> |
| <span class="source-line-no">103</span><span id="line-103"> RegionInfo ri = Iterables.getOnlyElement(am.getTableRegions(TABLE_NAME, true));</span> |
| <span class="source-line-no">104</span><span id="line-104"> RegionStateNode rsn = am.getRegionStates().getRegionStateNode(ri);</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> ServerName src = rsn.getRegionLocation();</span> |
| <span class="source-line-no">107</span><span id="line-107"> ServerName dst = HBTU.getMiniHBaseCluster().getRegionServerThreads().stream()</span> |
| <span class="source-line-no">108</span><span id="line-108"> .map(t -> t.getRegionServer().getServerName()).filter(sn -> !sn.equals(src)).findFirst()</span> |
| <span class="source-line-no">109</span><span id="line-109"> .get();</span> |
| <span class="source-line-no">110</span><span id="line-110"> TransitRegionStateProcedure proc = am.createMoveRegionProcedure(ri, dst);</span> |
| <span class="source-line-no">111</span><span id="line-111"> // lock the region state node manually, so later TRSP can not lock it</span> |
| <span class="source-line-no">112</span><span id="line-112"> rsn.lock();</span> |
| <span class="source-line-no">113</span><span id="line-113"> ProcedureExecutor<MasterProcedureEnv> procExec = master.getMasterProcedureExecutor();</span> |
| <span class="source-line-no">114</span><span id="line-114"> long procId = procExec.submitProcedure(proc);</span> |
| <span class="source-line-no">115</span><span id="line-115"> // sleep several seconds to let the procedure be scheduled</span> |
| <span class="source-line-no">116</span><span id="line-116"> Thread.sleep(2000);</span> |
| <span class="source-line-no">117</span><span id="line-117"> // wait until no active procedures</span> |
| <span class="source-line-no">118</span><span id="line-118"> HBTU.waitFor(30000, () -> procExec.getActiveExecutorCount() == 0);</span> |
| <span class="source-line-no">119</span><span id="line-119"> // the procedure should have not finished yet</span> |
| <span class="source-line-no">120</span><span id="line-120"> assertFalse(proc.isFinished());</span> |
| <span class="source-line-no">121</span><span id="line-121"> // the TRSP should have not scheduled any sub procedures yet</span> |
| <span class="source-line-no">122</span><span id="line-122"> assertThat(procExec.getProcedures(), everyItem(notChildOf(procId)));</span> |
| <span class="source-line-no">123</span><span id="line-123"> // make sure the region is still on the src region server</span> |
| <span class="source-line-no">124</span><span id="line-124"> assertEquals(src, HBTU.getRSForFirstRegionInTable(TABLE_NAME).getServerName());</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> // unlock the region state node lock, the TRSP should be woken up and finish the execution</span> |
| <span class="source-line-no">127</span><span id="line-127"> rsn.unlock();</span> |
| <span class="source-line-no">128</span><span id="line-128"> HBTU.waitFor(30000, () -> proc.isFinished());</span> |
| <span class="source-line-no">129</span><span id="line-129"> // make sure the region is on the dst region server</span> |
| <span class="source-line-no">130</span><span id="line-130"> assertEquals(dst, HBTU.getRSForFirstRegionInTable(TABLE_NAME).getServerName());</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132">}</span> |
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| </pre> |
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