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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.rsgroup;</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.assertFalse;</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 org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.HBaseClusterInterface;</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.SingleProcessHBaseCluster;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.StartTestingClusterOption;</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.Waiter;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Admin;</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.master.HMaster;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.master.ServerManager;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.RSGroupTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.AfterClass;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.ClassRule;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.Rule;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.Test;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.slf4j.Logger;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.slf4j.LoggerFactory;</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.Sets;</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"> * This tests that GroupBasedBalancer will use data in zk to do balancing during master startup.</span> |
| <span class="source-line-no">052</span><span id="line-52"> * This does not test retain assignment.</span> |
| <span class="source-line-no">053</span><span id="line-53"> * <p/></span> |
| <span class="source-line-no">054</span><span id="line-54"> * The tests brings up 3 RS, creates a new RS group 'my_group', moves 1 RS to 'my_group', assigns</span> |
| <span class="source-line-no">055</span><span id="line-55"> * 'hbase:rsgroup' to 'my_group', and kill the only server in that group so that 'hbase:rsgroup'</span> |
| <span class="source-line-no">056</span><span id="line-56"> * table isn't available. It then kills the active master and waits for backup master to come</span> |
| <span class="source-line-no">057</span><span id="line-57"> * online. In new master, RSGroupInfoManagerImpl gets the data from zk and waits for the expected</span> |
| <span class="source-line-no">058</span><span id="line-58"> * assignment with a timeout.</span> |
| <span class="source-line-no">059</span><span id="line-59"> */</span> |
| <span class="source-line-no">060</span><span id="line-60">@Category({ RSGroupTests.class, MediumTests.class })</span> |
| <span class="source-line-no">061</span><span id="line-61">public class TestRSGroupsOfflineMode extends TestRSGroupsBase {</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @ClassRule</span> |
| <span class="source-line-no">064</span><span id="line-64"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">065</span><span id="line-65"> HBaseClassTestRule.forClass(TestRSGroupsOfflineMode.class);</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private static final Logger LOG = LoggerFactory.getLogger(TestRSGroupsOfflineMode.class);</span> |
| <span class="source-line-no">068</span><span id="line-68"> private static HMaster master;</span> |
| <span class="source-line-no">069</span><span id="line-69"> private static Admin hbaseAdmin;</span> |
| <span class="source-line-no">070</span><span id="line-70"> private static HBaseTestingUtil TEST_UTIL;</span> |
| <span class="source-line-no">071</span><span id="line-71"> private static HBaseClusterInterface cluster;</span> |
| <span class="source-line-no">072</span><span id="line-72"> private final static long WAIT_TIMEOUT = 60000 * 5;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> @Rule</span> |
| <span class="source-line-no">075</span><span id="line-75"> public TestName name = new TestName();</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> @BeforeClass</span> |
| <span class="source-line-no">078</span><span id="line-78"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">079</span><span id="line-79"> TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">080</span><span id="line-80"> RSGroupUtil.enableRSGroup(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">081</span><span id="line-81"> TEST_UTIL.getConfiguration().set(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, "1");</span> |
| <span class="source-line-no">082</span><span id="line-82"> StartTestingClusterOption option =</span> |
| <span class="source-line-no">083</span><span id="line-83"> StartTestingClusterOption.builder().numMasters(2).numRegionServers(3).numDataNodes(3).build();</span> |
| <span class="source-line-no">084</span><span id="line-84"> TEST_UTIL.startMiniCluster(option);</span> |
| <span class="source-line-no">085</span><span id="line-85"> cluster = TEST_UTIL.getHBaseCluster();</span> |
| <span class="source-line-no">086</span><span id="line-86"> master = ((SingleProcessHBaseCluster) cluster).getMaster();</span> |
| <span class="source-line-no">087</span><span id="line-87"> master.balanceSwitch(false);</span> |
| <span class="source-line-no">088</span><span id="line-88"> hbaseAdmin = TEST_UTIL.getAdmin();</span> |
| <span class="source-line-no">089</span><span id="line-89"> // wait till the balancer is in online mode</span> |
| <span class="source-line-no">090</span><span id="line-90"> TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">091</span><span id="line-91"> @Override</span> |
| <span class="source-line-no">092</span><span id="line-92"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">093</span><span id="line-93"> return master.isInitialized()</span> |
| <span class="source-line-no">094</span><span id="line-94"> && ((RSGroupBasedLoadBalancer) master.getLoadBalancer()).isOnline()</span> |
| <span class="source-line-no">095</span><span id="line-95"> && master.getServerManager().getOnlineServersList().size() >= 3;</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"></span> |
| <span class="source-line-no">100</span><span id="line-100"> @AfterClass</span> |
| <span class="source-line-no">101</span><span id="line-101"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">102</span><span id="line-102"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104"></span> |
| <span class="source-line-no">105</span><span id="line-105"> @Test</span> |
| <span class="source-line-no">106</span><span id="line-106"> public void testOffline() throws Exception, InterruptedException {</span> |
| <span class="source-line-no">107</span><span id="line-107"> // Table should be after group table name so it gets assigned later.</span> |
| <span class="source-line-no">108</span><span id="line-108"> final TableName failoverTable = TableName.valueOf(getNameWithoutIndex(name.getMethodName()));</span> |
| <span class="source-line-no">109</span><span id="line-109"> TEST_UTIL.createTable(failoverTable, Bytes.toBytes("f"));</span> |
| <span class="source-line-no">110</span><span id="line-110"> final HRegionServer killRS = ((SingleProcessHBaseCluster) cluster).getRegionServer(0);</span> |
| <span class="source-line-no">111</span><span id="line-111"> final HRegionServer groupRS = ((SingleProcessHBaseCluster) cluster).getRegionServer(1);</span> |
| <span class="source-line-no">112</span><span id="line-112"> final HRegionServer failoverRS = ((SingleProcessHBaseCluster) cluster).getRegionServer(2);</span> |
| <span class="source-line-no">113</span><span id="line-113"> String newGroup = "my_group";</span> |
| <span class="source-line-no">114</span><span id="line-114"> Admin admin = TEST_UTIL.getAdmin();</span> |
| <span class="source-line-no">115</span><span id="line-115"> admin.addRSGroup(newGroup);</span> |
| <span class="source-line-no">116</span><span id="line-116"> if (</span> |
| <span class="source-line-no">117</span><span id="line-117"> master.getAssignmentManager().getRegionStates().getRegionAssignments()</span> |
| <span class="source-line-no">118</span><span id="line-118"> .containsValue(failoverRS.getServerName())</span> |
| <span class="source-line-no">119</span><span id="line-119"> ) {</span> |
| <span class="source-line-no">120</span><span id="line-120"> for (RegionInfo regionInfo : hbaseAdmin.getRegions(failoverRS.getServerName())) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> hbaseAdmin.move(regionInfo.getEncodedNameAsBytes(), failoverRS.getServerName());</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"> LOG.info("Waiting for region unassignments on failover RS...");</span> |
| <span class="source-line-no">124</span><span id="line-124"> TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">125</span><span id="line-125"> @Override</span> |
| <span class="source-line-no">126</span><span id="line-126"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">127</span><span id="line-127"> return !master.getServerManager().getLoad(failoverRS.getServerName()).getRegionMetrics()</span> |
| <span class="source-line-no">128</span><span id="line-128"> .isEmpty();</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"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> // Move server to group and make sure all tables are assigned.</span> |
| <span class="source-line-no">134</span><span id="line-134"> admin.moveServersToRSGroup(Sets.newHashSet(groupRS.getServerName().getAddress()), newGroup);</span> |
| <span class="source-line-no">135</span><span id="line-135"> TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">136</span><span id="line-136"> @Override</span> |
| <span class="source-line-no">137</span><span id="line-137"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">138</span><span id="line-138"> return groupRS.getNumberOfOnlineRegions() < 1</span> |
| <span class="source-line-no">139</span><span id="line-139"> && master.getAssignmentManager().getRegionStates().getRegionsInTransitionCount() < 1;</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"> });</span> |
| <span class="source-line-no">142</span><span id="line-142"> // Move table to group and wait.</span> |
| <span class="source-line-no">143</span><span id="line-143"> admin.setRSGroup(Sets.newHashSet(RSGroupInfoManagerImpl.RSGROUP_TABLE_NAME), newGroup);</span> |
| <span class="source-line-no">144</span><span id="line-144"> LOG.info("Waiting for move table...");</span> |
| <span class="source-line-no">145</span><span id="line-145"> TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">146</span><span id="line-146"> @Override</span> |
| <span class="source-line-no">147</span><span id="line-147"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">148</span><span id="line-148"> return groupRS.getNumberOfOnlineRegions() == 1;</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"> });</span> |
| <span class="source-line-no">151</span><span id="line-151"></span> |
| <span class="source-line-no">152</span><span id="line-152"> groupRS.stop("die");</span> |
| <span class="source-line-no">153</span><span id="line-153"> // Race condition here.</span> |
| <span class="source-line-no">154</span><span id="line-154"> TEST_UTIL.getHBaseCluster().getMaster().stopMaster();</span> |
| <span class="source-line-no">155</span><span id="line-155"> LOG.info("Waiting for offline mode...");</span> |
| <span class="source-line-no">156</span><span id="line-156"> TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">157</span><span id="line-157"> @Override</span> |
| <span class="source-line-no">158</span><span id="line-158"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">159</span><span id="line-159"> return TEST_UTIL.getHBaseCluster().getMaster() != null</span> |
| <span class="source-line-no">160</span><span id="line-160"> && TEST_UTIL.getHBaseCluster().getMaster().isActiveMaster()</span> |
| <span class="source-line-no">161</span><span id="line-161"> && TEST_UTIL.getHBaseCluster().getMaster().isInitialized()</span> |
| <span class="source-line-no">162</span><span id="line-162"> && TEST_UTIL.getHBaseCluster().getMaster().getServerManager().getOnlineServers().size()</span> |
| <span class="source-line-no">163</span><span id="line-163"> <= 3;</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"></span> |
| <span class="source-line-no">167</span><span id="line-167"> // Get groupInfoManager from the new active master.</span> |
| <span class="source-line-no">168</span><span id="line-168"> RSGroupInfoManager groupMgr =</span> |
| <span class="source-line-no">169</span><span id="line-169"> ((SingleProcessHBaseCluster) cluster).getMaster().getRSGroupInfoManager();</span> |
| <span class="source-line-no">170</span><span id="line-170"> // Make sure balancer is in offline mode, since this is what we're testing.</span> |
| <span class="source-line-no">171</span><span id="line-171"> assertFalse(groupMgr.isOnline());</span> |
| <span class="source-line-no">172</span><span id="line-172"> // Kill final regionserver to see the failover happens for all tables except GROUP table since</span> |
| <span class="source-line-no">173</span><span id="line-173"> // it's group does not have any online RS.</span> |
| <span class="source-line-no">174</span><span id="line-174"> killRS.stop("die");</span> |
| <span class="source-line-no">175</span><span id="line-175"> master = TEST_UTIL.getHBaseCluster().getMaster();</span> |
| <span class="source-line-no">176</span><span id="line-176"> LOG.info("Waiting for new table assignment...");</span> |
| <span class="source-line-no">177</span><span id="line-177"> TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">178</span><span id="line-178"> @Override</span> |
| <span class="source-line-no">179</span><span id="line-179"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">180</span><span id="line-180"> return failoverRS.getRegions(failoverTable).size() >= 1;</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"> assertEquals(0, failoverRS.getRegions(RSGroupInfoManagerImpl.RSGROUP_TABLE_NAME).size());</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> // Need this for minicluster to shutdown cleanly.</span> |
| <span class="source-line-no">186</span><span id="line-186"> master.stopMaster();</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> |
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