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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.regionserver;</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.CoreMatchers.hasItems;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.hamcrest.MatcherAssert.assertThat;</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.mockito.ArgumentMatchers.any;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.mockito.ArgumentMatchers.anyInt;</span> |
| <span class="source-line-no">025</span><span id="line-25">import static org.mockito.Mockito.atLeast;</span> |
| <span class="source-line-no">026</span><span id="line-26">import static org.mockito.Mockito.atLeastOnce;</span> |
| <span class="source-line-no">027</span><span id="line-27">import static org.mockito.Mockito.doAnswer;</span> |
| <span class="source-line-no">028</span><span id="line-28">import static org.mockito.Mockito.mock;</span> |
| <span class="source-line-no">029</span><span id="line-29">import static org.mockito.Mockito.never;</span> |
| <span class="source-line-no">030</span><span id="line-30">import static org.mockito.Mockito.times;</span> |
| <span class="source-line-no">031</span><span id="line-31">import static org.mockito.Mockito.verify;</span> |
| <span class="source-line-no">032</span><span id="line-32">import static org.mockito.Mockito.when;</span> |
| <span class="source-line-no">033</span><span id="line-33"></span> |
| <span class="source-line-no">034</span><span id="line-34">import java.io.IOException;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.Arrays;</span> |
| <span class="source-line-no">036</span><span id="line-36">import java.util.List;</span> |
| <span class="source-line-no">037</span><span id="line-37">import java.util.concurrent.CompletableFuture;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.HBaseRpcServicesBase;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.Waiter;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.client.AsyncClusterConnection;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.util.FutureUtils;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.zookeeper.MasterAddressTracker;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.After;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.Before;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.ClassRule;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.Test;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56">@Category({ RegionServerTests.class, SmallTests.class })</span> |
| <span class="source-line-no">057</span><span id="line-57">public class TestBootstrapNodeManager {</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> @ClassRule</span> |
| <span class="source-line-no">060</span><span id="line-60"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">061</span><span id="line-61"> HBaseClassTestRule.forClass(TestBootstrapNodeManager.class);</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> private Configuration conf;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> private AsyncClusterConnection conn;</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 MasterAddressTracker tracker;</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 BootstrapNodeManager manager;</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> @Before</span> |
| <span class="source-line-no">072</span><span id="line-72"> public void setUp() {</span> |
| <span class="source-line-no">073</span><span id="line-73"> conf = HBaseConfiguration.create();</span> |
| <span class="source-line-no">074</span><span id="line-74"> conf.setLong(BootstrapNodeManager.REQUEST_MASTER_INTERVAL_SECS, 5);</span> |
| <span class="source-line-no">075</span><span id="line-75"> conf.setLong(BootstrapNodeManager.REQUEST_MASTER_MIN_INTERVAL_SECS, 1);</span> |
| <span class="source-line-no">076</span><span id="line-76"> conf.setLong(BootstrapNodeManager.REQUEST_REGIONSERVER_INTERVAL_SECS, 1);</span> |
| <span class="source-line-no">077</span><span id="line-77"> conf.setInt(HBaseRpcServicesBase.CLIENT_BOOTSTRAP_NODE_LIMIT, 2);</span> |
| <span class="source-line-no">078</span><span id="line-78"> conn = mock(AsyncClusterConnection.class);</span> |
| <span class="source-line-no">079</span><span id="line-79"> when(conn.getConfiguration()).thenReturn(conf);</span> |
| <span class="source-line-no">080</span><span id="line-80"> tracker = mock(MasterAddressTracker.class);</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> @After</span> |
| <span class="source-line-no">084</span><span id="line-84"> public void tearDown() {</span> |
| <span class="source-line-no">085</span><span id="line-85"> if (manager != null) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> manager.stop();</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"> private void assertListEquals(List<ServerName> expected, List<ServerName> actual) {</span> |
| <span class="source-line-no">091</span><span id="line-91"> assertEquals(expected.size(), expected.size());</span> |
| <span class="source-line-no">092</span><span id="line-92"> assertThat(actual, hasItems(expected.toArray(new ServerName[0])));</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"> @Test</span> |
| <span class="source-line-no">096</span><span id="line-96"> public void testNormal() throws Exception {</span> |
| <span class="source-line-no">097</span><span id="line-97"> List<ServerName> regionServers =</span> |
| <span class="source-line-no">098</span><span id="line-98"> Arrays.asList(ServerName.valueOf("server1", 12345, EnvironmentEdgeManager.currentTime()),</span> |
| <span class="source-line-no">099</span><span id="line-99"> ServerName.valueOf("server2", 12345, EnvironmentEdgeManager.currentTime()),</span> |
| <span class="source-line-no">100</span><span id="line-100"> ServerName.valueOf("server3", 12345, EnvironmentEdgeManager.currentTime()),</span> |
| <span class="source-line-no">101</span><span id="line-101"> ServerName.valueOf("server4", 12345, EnvironmentEdgeManager.currentTime()));</span> |
| <span class="source-line-no">102</span><span id="line-102"> when(conn.getLiveRegionServers(any(), anyInt()))</span> |
| <span class="source-line-no">103</span><span id="line-103"> .thenReturn(CompletableFuture.completedFuture(regionServers));</span> |
| <span class="source-line-no">104</span><span id="line-104"> when(conn.getAllBootstrapNodes(any()))</span> |
| <span class="source-line-no">105</span><span id="line-105"> .thenReturn(CompletableFuture.completedFuture(regionServers));</span> |
| <span class="source-line-no">106</span><span id="line-106"> manager = new BootstrapNodeManager(conn, tracker);</span> |
| <span class="source-line-no">107</span><span id="line-107"> Thread.sleep(3000);</span> |
| <span class="source-line-no">108</span><span id="line-108"> verify(conn, times(1)).getLiveRegionServers(any(), anyInt());</span> |
| <span class="source-line-no">109</span><span id="line-109"> verify(conn, atLeastOnce()).getAllBootstrapNodes(any());</span> |
| <span class="source-line-no">110</span><span id="line-110"> assertListEquals(regionServers, manager.getBootstrapNodes());</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"> // if we do not return enough region servers, we will always get from master</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 testOnlyMaster() throws Exception {</span> |
| <span class="source-line-no">116</span><span id="line-116"> List<ServerName> regionServers =</span> |
| <span class="source-line-no">117</span><span id="line-117"> Arrays.asList(ServerName.valueOf("server1", 12345, EnvironmentEdgeManager.currentTime()));</span> |
| <span class="source-line-no">118</span><span id="line-118"> when(conn.getLiveRegionServers(any(), anyInt()))</span> |
| <span class="source-line-no">119</span><span id="line-119"> .thenReturn(CompletableFuture.completedFuture(regionServers));</span> |
| <span class="source-line-no">120</span><span id="line-120"> when(conn.getAllBootstrapNodes(any()))</span> |
| <span class="source-line-no">121</span><span id="line-121"> .thenReturn(CompletableFuture.completedFuture(regionServers));</span> |
| <span class="source-line-no">122</span><span id="line-122"> manager = new BootstrapNodeManager(conn, tracker);</span> |
| <span class="source-line-no">123</span><span id="line-123"> Thread.sleep(3000);</span> |
| <span class="source-line-no">124</span><span id="line-124"> verify(conn, atLeast(2)).getLiveRegionServers(any(), anyInt());</span> |
| <span class="source-line-no">125</span><span id="line-125"> verify(conn, never()).getAllBootstrapNodes(any());</span> |
| <span class="source-line-no">126</span><span id="line-126"> assertListEquals(regionServers, manager.getBootstrapNodes());</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> @Test</span> |
| <span class="source-line-no">130</span><span id="line-130"> public void testRegionServerError() throws Exception {</span> |
| <span class="source-line-no">131</span><span id="line-131"> List<ServerName> regionServers =</span> |
| <span class="source-line-no">132</span><span id="line-132"> Arrays.asList(ServerName.valueOf("server1", 12345, EnvironmentEdgeManager.currentTime()),</span> |
| <span class="source-line-no">133</span><span id="line-133"> ServerName.valueOf("server2", 12345, EnvironmentEdgeManager.currentTime()),</span> |
| <span class="source-line-no">134</span><span id="line-134"> ServerName.valueOf("server3", 12345, EnvironmentEdgeManager.currentTime()),</span> |
| <span class="source-line-no">135</span><span id="line-135"> ServerName.valueOf("server4", 12345, EnvironmentEdgeManager.currentTime()));</span> |
| <span class="source-line-no">136</span><span id="line-136"> List<ServerName> newRegionServers =</span> |
| <span class="source-line-no">137</span><span id="line-137"> Arrays.asList(ServerName.valueOf("server5", 12345, EnvironmentEdgeManager.currentTime()),</span> |
| <span class="source-line-no">138</span><span id="line-138"> ServerName.valueOf("server6", 12345, EnvironmentEdgeManager.currentTime()));</span> |
| <span class="source-line-no">139</span><span id="line-139"> when(conn.getLiveRegionServers(any(), anyInt()))</span> |
| <span class="source-line-no">140</span><span id="line-140"> .thenReturn(CompletableFuture.completedFuture(regionServers));</span> |
| <span class="source-line-no">141</span><span id="line-141"> when(conn.getAllBootstrapNodes(any())).thenAnswer(invocation -> {</span> |
| <span class="source-line-no">142</span><span id="line-142"> if (invocation.getArgument(0, ServerName.class).getHostname().equals("server4")) {</span> |
| <span class="source-line-no">143</span><span id="line-143"> return FutureUtils.failedFuture(new IOException("Inject error"));</span> |
| <span class="source-line-no">144</span><span id="line-144"> } else {</span> |
| <span class="source-line-no">145</span><span id="line-145"> return CompletableFuture.completedFuture(regionServers.subList(0, 3));</span> |
| <span class="source-line-no">146</span><span id="line-146"> }</span> |
| <span class="source-line-no">147</span><span id="line-147"> });</span> |
| <span class="source-line-no">148</span><span id="line-148"> manager = new BootstrapNodeManager(conn, tracker);</span> |
| <span class="source-line-no">149</span><span id="line-149"> // we should remove server4 from the list</span> |
| <span class="source-line-no">150</span><span id="line-150"> Waiter.waitFor(conf, 30000, () -> manager.getBootstrapNodes().size() == 3);</span> |
| <span class="source-line-no">151</span><span id="line-151"> assertListEquals(regionServers.subList(0, 3), manager.getBootstrapNodes());</span> |
| <span class="source-line-no">152</span><span id="line-152"> when(conn.getLiveRegionServers(any(), anyInt()))</span> |
| <span class="source-line-no">153</span><span id="line-153"> .thenReturn(CompletableFuture.completedFuture(newRegionServers));</span> |
| <span class="source-line-no">154</span><span id="line-154"> doAnswer(invocation -> {</span> |
| <span class="source-line-no">155</span><span id="line-155"> String hostname = invocation.getArgument(0, ServerName.class).getHostname();</span> |
| <span class="source-line-no">156</span><span id="line-156"> switch (hostname) {</span> |
| <span class="source-line-no">157</span><span id="line-157"> case "server1":</span> |
| <span class="source-line-no">158</span><span id="line-158"> return CompletableFuture.completedFuture(regionServers.subList(0, 1));</span> |
| <span class="source-line-no">159</span><span id="line-159"> case "server2":</span> |
| <span class="source-line-no">160</span><span id="line-160"> case "server3":</span> |
| <span class="source-line-no">161</span><span id="line-161"> return FutureUtils.failedFuture(new IOException("Inject error"));</span> |
| <span class="source-line-no">162</span><span id="line-162"> default:</span> |
| <span class="source-line-no">163</span><span id="line-163"> return CompletableFuture.completedFuture(newRegionServers);</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"> }).when(conn).getAllBootstrapNodes(any());</span> |
| <span class="source-line-no">166</span><span id="line-166"> // we should remove server2, server3 from the list and then get the new list from master again</span> |
| <span class="source-line-no">167</span><span id="line-167"> Waiter.waitFor(conf, 30000, () -> {</span> |
| <span class="source-line-no">168</span><span id="line-168"> List<ServerName> bootstrapNodes = manager.getBootstrapNodes();</span> |
| <span class="source-line-no">169</span><span id="line-169"> if (bootstrapNodes.size() != 2) {</span> |
| <span class="source-line-no">170</span><span id="line-170"> return false;</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"> String hostname = bootstrapNodes.get(0).getHostname();</span> |
| <span class="source-line-no">173</span><span id="line-173"> return hostname.equals("server5") || hostname.equals("server6");</span> |
| <span class="source-line-no">174</span><span id="line-174"> });</span> |
| <span class="source-line-no">175</span><span id="line-175"> assertListEquals(newRegionServers, manager.getBootstrapNodes());</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177">}</span> |
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