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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.assertFalse;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.fail;</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.List;</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 java.util.stream.IntStream;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.stream.Stream;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseIOException;</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.TableName;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.RegionReplicaUtil;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.master.HMaster;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.After;</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">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">049</span><span id="line-49">public class TestAssignmentManagerUtil {</span> |
| <span class="source-line-no">050</span><span id="line-50"> @ClassRule</span> |
| <span class="source-line-no">051</span><span id="line-51"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">052</span><span id="line-52"> HBaseClassTestRule.forClass(TestAssignmentManagerUtil.class);</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static TableName TABLE_NAME = TableName.valueOf("AM");</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> private static MasterProcedureEnv ENV;</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 AssignmentManager AM;</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 int REGION_REPLICATION = 3;</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> @BeforeClass</span> |
| <span class="source-line-no">065</span><span id="line-65"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">066</span><span id="line-66"> UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">067</span><span id="line-67"> UTIL.getAdmin().balancerSwitch(false, true);</span> |
| <span class="source-line-no">068</span><span id="line-68"> UTIL.createTable(TableDescriptorBuilder.newBuilder(TABLE_NAME)</span> |
| <span class="source-line-no">069</span><span id="line-69"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("cf"))</span> |
| <span class="source-line-no">070</span><span id="line-70"> .setRegionReplication(REGION_REPLICATION).build(), new byte[][] { Bytes.toBytes(0) });</span> |
| <span class="source-line-no">071</span><span id="line-71"> UTIL.waitTableAvailable(TABLE_NAME);</span> |
| <span class="source-line-no">072</span><span id="line-72"> HMaster master = UTIL.getMiniHBaseCluster().getMaster();</span> |
| <span class="source-line-no">073</span><span id="line-73"> ENV = master.getMasterProcedureExecutor().getEnvironment();</span> |
| <span class="source-line-no">074</span><span id="line-74"> AM = master.getAssignmentManager();</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"> @After</span> |
| <span class="source-line-no">078</span><span id="line-78"> public void tearDownAfterTest() throws IOException {</span> |
| <span class="source-line-no">079</span><span id="line-79"> for (RegionInfo region : UTIL.getAdmin().getRegions(TABLE_NAME)) {</span> |
| <span class="source-line-no">080</span><span id="line-80"> RegionStateNode regionNode = AM.getRegionStates().getRegionStateNode(region);</span> |
| <span class="source-line-no">081</span><span id="line-81"> // confirm that we have released the lock</span> |
| <span class="source-line-no">082</span><span id="line-82"> assertFalse(regionNode.isLocked());</span> |
| <span class="source-line-no">083</span><span id="line-83"> TransitRegionStateProcedure proc = regionNode.getProcedure();</span> |
| <span class="source-line-no">084</span><span id="line-84"> if (proc != null) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> regionNode.unsetProcedure(proc);</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</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"> @AfterClass</span> |
| <span class="source-line-no">091</span><span id="line-91"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">092</span><span id="line-92"> UTIL.shutdownMiniCluster();</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"> private List<RegionInfo> getPrimaryRegions() throws IOException {</span> |
| <span class="source-line-no">096</span><span id="line-96"> return UTIL.getAdmin().getRegions(TABLE_NAME).stream()</span> |
| <span class="source-line-no">097</span><span id="line-97"> .filter(r -> RegionReplicaUtil.isDefaultReplica(r)).collect(Collectors.toList());</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> @Test</span> |
| <span class="source-line-no">101</span><span id="line-101"> public void testCreateUnassignProcedureForSplitFail() throws IOException {</span> |
| <span class="source-line-no">102</span><span id="line-102"> RegionInfo region = getPrimaryRegions().get(0);</span> |
| <span class="source-line-no">103</span><span id="line-103"> AM.getRegionStates().getRegionStateNode(region)</span> |
| <span class="source-line-no">104</span><span id="line-104"> .setProcedure(TransitRegionStateProcedure.unassign(ENV, region));</span> |
| <span class="source-line-no">105</span><span id="line-105"> try {</span> |
| <span class="source-line-no">106</span><span id="line-106"> AssignmentManagerUtil.createUnassignProceduresForSplitOrMerge(ENV, Stream.of(region),</span> |
| <span class="source-line-no">107</span><span id="line-107"> REGION_REPLICATION);</span> |
| <span class="source-line-no">108</span><span id="line-108"> fail("Should fail as the region is in transition");</span> |
| <span class="source-line-no">109</span><span id="line-109"> } catch (HBaseIOException e) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> // expected</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"> }</span> |
| <span class="source-line-no">113</span><span id="line-113"></span> |
| <span class="source-line-no">114</span><span id="line-114"> @Test</span> |
| <span class="source-line-no">115</span><span id="line-115"> public void testCreateUnassignProceduresForMergeFail() throws IOException {</span> |
| <span class="source-line-no">116</span><span id="line-116"> List<RegionInfo> regions = getPrimaryRegions();</span> |
| <span class="source-line-no">117</span><span id="line-117"> RegionInfo regionA = regions.get(0);</span> |
| <span class="source-line-no">118</span><span id="line-118"> RegionInfo regionB = regions.get(1);</span> |
| <span class="source-line-no">119</span><span id="line-119"> AM.getRegionStates().getRegionStateNode(regionB)</span> |
| <span class="source-line-no">120</span><span id="line-120"> .setProcedure(TransitRegionStateProcedure.unassign(ENV, regionB));</span> |
| <span class="source-line-no">121</span><span id="line-121"> try {</span> |
| <span class="source-line-no">122</span><span id="line-122"> AssignmentManagerUtil.createUnassignProceduresForSplitOrMerge(ENV,</span> |
| <span class="source-line-no">123</span><span id="line-123"> Stream.of(regionA, regionB), REGION_REPLICATION);</span> |
| <span class="source-line-no">124</span><span id="line-124"> fail("Should fail as the region is in transition");</span> |
| <span class="source-line-no">125</span><span id="line-125"> } catch (HBaseIOException e) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> // expected</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"> IntStream.range(0, REGION_REPLICATION)</span> |
| <span class="source-line-no">129</span><span id="line-129"> .mapToObj(i -> RegionReplicaUtil.getRegionInfoForReplica(regionA, i))</span> |
| <span class="source-line-no">130</span><span id="line-130"> .map(AM.getRegionStates()::getRegionStateNode).forEachOrdered(</span> |
| <span class="source-line-no">131</span><span id="line-131"> rn -> assertFalse("Should have unset the proc for " + rn, rn.isInTransition()));</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133">}</span> |
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| </pre> |
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