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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.replication;</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">import static org.junit.Assert.assertTrue;</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.anyBoolean;</span>
<span class="source-line-no">025</span><span id="line-25">import static org.mockito.ArgumentMatchers.anyString;</span>
<span class="source-line-no">026</span><span id="line-26">import static org.mockito.Mockito.doAnswer;</span>
<span class="source-line-no">027</span><span id="line-27">import static org.mockito.Mockito.spy;</span>
<span class="source-line-no">028</span><span id="line-28"></span>
<span class="source-line-no">029</span><span id="line-29">import java.io.IOException;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseTestingUtil;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HConstants;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Admin;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.master.HMaster;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.master.replication.ReplicationPeerManager;</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.testclassification.ReplicationTests;</span>
<span class="source-line-no">039</span><span id="line-39">import org.junit.After;</span>
<span class="source-line-no">040</span><span id="line-40">import org.junit.AfterClass;</span>
<span class="source-line-no">041</span><span id="line-41">import org.junit.BeforeClass;</span>
<span class="source-line-no">042</span><span id="line-42">import org.junit.ClassRule;</span>
<span class="source-line-no">043</span><span id="line-43">import org.junit.Test;</span>
<span class="source-line-no">044</span><span id="line-44">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">045</span><span id="line-45">import org.mockito.invocation.InvocationOnMock;</span>
<span class="source-line-no">046</span><span id="line-46"></span>
<span class="source-line-no">047</span><span id="line-47">/**</span>
<span class="source-line-no">048</span><span id="line-48"> * All the modification method will fail once in the test and should finally succeed.</span>
<span class="source-line-no">049</span><span id="line-49"> */</span>
<span class="source-line-no">050</span><span id="line-50">@Category({ ReplicationTests.class, MediumTests.class })</span>
<span class="source-line-no">051</span><span id="line-51">public class TestReplicationProcedureRetry {</span>
<span class="source-line-no">052</span><span id="line-52"></span>
<span class="source-line-no">053</span><span id="line-53"> @ClassRule</span>
<span class="source-line-no">054</span><span id="line-54"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">055</span><span id="line-55"> HBaseClassTestRule.forClass(TestReplicationProcedureRetry.class);</span>
<span class="source-line-no">056</span><span id="line-56"></span>
<span class="source-line-no">057</span><span id="line-57"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span>
<span class="source-line-no">058</span><span id="line-58"></span>
<span class="source-line-no">059</span><span id="line-59"> @BeforeClass</span>
<span class="source-line-no">060</span><span id="line-60"> public static void setUp() throws Exception {</span>
<span class="source-line-no">061</span><span id="line-61"> UTIL.getConfiguration().setClass(HConstants.MASTER_IMPL, MockHMaster.class, HMaster.class);</span>
<span class="source-line-no">062</span><span id="line-62"> UTIL.startMiniCluster(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"></span>
<span class="source-line-no">065</span><span id="line-65"> @AfterClass</span>
<span class="source-line-no">066</span><span id="line-66"> public static void tearDown() throws Exception {</span>
<span class="source-line-no">067</span><span id="line-67"> UTIL.shutdownMiniCluster();</span>
<span class="source-line-no">068</span><span id="line-68"> }</span>
<span class="source-line-no">069</span><span id="line-69"></span>
<span class="source-line-no">070</span><span id="line-70"> @After</span>
<span class="source-line-no">071</span><span id="line-71"> public void tearDownAfterTest() throws IOException {</span>
<span class="source-line-no">072</span><span id="line-72"> for (ReplicationPeerDescription desc : UTIL.getAdmin().listReplicationPeers()) {</span>
<span class="source-line-no">073</span><span id="line-73"> UTIL.getAdmin().removeReplicationPeer(desc.getPeerId());</span>
<span class="source-line-no">074</span><span id="line-74"> }</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"> private void doTest() throws IOException {</span>
<span class="source-line-no">078</span><span id="line-78"> Admin admin = UTIL.getAdmin();</span>
<span class="source-line-no">079</span><span id="line-79"> String peerId = "1";</span>
<span class="source-line-no">080</span><span id="line-80"> ReplicationPeerConfig peerConfig = ReplicationPeerConfig.newBuilder()</span>
<span class="source-line-no">081</span><span id="line-81"> .setClusterKey(UTIL.getZkCluster().getAddress().toString() + ":/hbase2").build();</span>
<span class="source-line-no">082</span><span id="line-82"> admin.addReplicationPeer(peerId, peerConfig, true);</span>
<span class="source-line-no">083</span><span id="line-83"></span>
<span class="source-line-no">084</span><span id="line-84"> assertEquals(peerConfig.getClusterKey(),</span>
<span class="source-line-no">085</span><span id="line-85"> admin.getReplicationPeerConfig(peerId).getClusterKey());</span>
<span class="source-line-no">086</span><span id="line-86"> ReplicationPeerConfig newPeerConfig =</span>
<span class="source-line-no">087</span><span id="line-87"> ReplicationPeerConfig.newBuilder(peerConfig).setBandwidth(123456).build();</span>
<span class="source-line-no">088</span><span id="line-88"> admin.updateReplicationPeerConfig(peerId, newPeerConfig);</span>
<span class="source-line-no">089</span><span id="line-89"> assertEquals(newPeerConfig.getBandwidth(),</span>
<span class="source-line-no">090</span><span id="line-90"> admin.getReplicationPeerConfig(peerId).getBandwidth());</span>
<span class="source-line-no">091</span><span id="line-91"></span>
<span class="source-line-no">092</span><span id="line-92"> admin.disableReplicationPeer(peerId);</span>
<span class="source-line-no">093</span><span id="line-93"> assertFalse(admin.listReplicationPeers().get(0).isEnabled());</span>
<span class="source-line-no">094</span><span id="line-94"></span>
<span class="source-line-no">095</span><span id="line-95"> admin.enableReplicationPeer(peerId);</span>
<span class="source-line-no">096</span><span id="line-96"> assertTrue(admin.listReplicationPeers().get(0).isEnabled());</span>
<span class="source-line-no">097</span><span id="line-97"></span>
<span class="source-line-no">098</span><span id="line-98"> admin.removeReplicationPeer(peerId);</span>
<span class="source-line-no">099</span><span id="line-99"> assertTrue(admin.listReplicationPeers().isEmpty());</span>
<span class="source-line-no">100</span><span id="line-100"></span>
<span class="source-line-no">101</span><span id="line-101"> // make sure that we have run into the mocked method</span>
<span class="source-line-no">102</span><span id="line-102"> MockHMaster master = (MockHMaster) UTIL.getHBaseCluster().getMaster();</span>
<span class="source-line-no">103</span><span id="line-103"> assertTrue(master.addPeerCalled);</span>
<span class="source-line-no">104</span><span id="line-104"> assertTrue(master.removePeerCalled);</span>
<span class="source-line-no">105</span><span id="line-105"> assertTrue(master.updatePeerConfigCalled);</span>
<span class="source-line-no">106</span><span id="line-106"> assertTrue(master.enablePeerCalled);</span>
<span class="source-line-no">107</span><span id="line-107"> assertTrue(master.disablePeerCalled);</span>
<span class="source-line-no">108</span><span id="line-108"> }</span>
<span class="source-line-no">109</span><span id="line-109"></span>
<span class="source-line-no">110</span><span id="line-110"> @Test</span>
<span class="source-line-no">111</span><span id="line-111"> public void testErrorBeforeUpdate() throws IOException, ReplicationException {</span>
<span class="source-line-no">112</span><span id="line-112"> ((MockHMaster) UTIL.getHBaseCluster().getMaster()).reset(true);</span>
<span class="source-line-no">113</span><span id="line-113"> doTest();</span>
<span class="source-line-no">114</span><span id="line-114"> }</span>
<span class="source-line-no">115</span><span id="line-115"></span>
<span class="source-line-no">116</span><span id="line-116"> @Test</span>
<span class="source-line-no">117</span><span id="line-117"> public void testErrorAfterUpdate() throws IOException, ReplicationException {</span>
<span class="source-line-no">118</span><span id="line-118"> ((MockHMaster) UTIL.getHBaseCluster().getMaster()).reset(false);</span>
<span class="source-line-no">119</span><span id="line-119"> doTest();</span>
<span class="source-line-no">120</span><span id="line-120"> }</span>
<span class="source-line-no">121</span><span id="line-121"></span>
<span class="source-line-no">122</span><span id="line-122"> public static final class MockHMaster extends HMaster {</span>
<span class="source-line-no">123</span><span id="line-123"></span>
<span class="source-line-no">124</span><span id="line-124"> volatile boolean addPeerCalled;</span>
<span class="source-line-no">125</span><span id="line-125"></span>
<span class="source-line-no">126</span><span id="line-126"> volatile boolean removePeerCalled;</span>
<span class="source-line-no">127</span><span id="line-127"></span>
<span class="source-line-no">128</span><span id="line-128"> volatile boolean updatePeerConfigCalled;</span>
<span class="source-line-no">129</span><span id="line-129"></span>
<span class="source-line-no">130</span><span id="line-130"> volatile boolean enablePeerCalled;</span>
<span class="source-line-no">131</span><span id="line-131"></span>
<span class="source-line-no">132</span><span id="line-132"> volatile boolean disablePeerCalled;</span>
<span class="source-line-no">133</span><span id="line-133"></span>
<span class="source-line-no">134</span><span id="line-134"> private ReplicationPeerManager manager;</span>
<span class="source-line-no">135</span><span id="line-135"></span>
<span class="source-line-no">136</span><span id="line-136"> public MockHMaster(Configuration conf) throws IOException {</span>
<span class="source-line-no">137</span><span id="line-137"> super(conf);</span>
<span class="source-line-no">138</span><span id="line-138"> }</span>
<span class="source-line-no">139</span><span id="line-139"></span>
<span class="source-line-no">140</span><span id="line-140"> private Object invokeWithError(InvocationOnMock invocation, boolean errorBeforeUpdate)</span>
<span class="source-line-no">141</span><span id="line-141"> throws Throwable {</span>
<span class="source-line-no">142</span><span id="line-142"> if (errorBeforeUpdate) {</span>
<span class="source-line-no">143</span><span id="line-143"> throw new ReplicationException("mock error before update");</span>
<span class="source-line-no">144</span><span id="line-144"> }</span>
<span class="source-line-no">145</span><span id="line-145"> invocation.callRealMethod();</span>
<span class="source-line-no">146</span><span id="line-146"> throw new ReplicationException("mock error after update");</span>
<span class="source-line-no">147</span><span id="line-147"> }</span>
<span class="source-line-no">148</span><span id="line-148"></span>
<span class="source-line-no">149</span><span id="line-149"> public void reset(boolean errorBeforeUpdate) throws ReplicationException {</span>
<span class="source-line-no">150</span><span id="line-150"> addPeerCalled = false;</span>
<span class="source-line-no">151</span><span id="line-151"> removePeerCalled = false;</span>
<span class="source-line-no">152</span><span id="line-152"> updatePeerConfigCalled = false;</span>
<span class="source-line-no">153</span><span id="line-153"> enablePeerCalled = false;</span>
<span class="source-line-no">154</span><span id="line-154"> disablePeerCalled = false;</span>
<span class="source-line-no">155</span><span id="line-155"> ReplicationPeerManager m = super.getReplicationPeerManager();</span>
<span class="source-line-no">156</span><span id="line-156"> manager = spy(m);</span>
<span class="source-line-no">157</span><span id="line-157"> doAnswer(invocation -&gt; {</span>
<span class="source-line-no">158</span><span id="line-158"> if (!addPeerCalled) {</span>
<span class="source-line-no">159</span><span id="line-159"> addPeerCalled = true;</span>
<span class="source-line-no">160</span><span id="line-160"> return invokeWithError(invocation, errorBeforeUpdate);</span>
<span class="source-line-no">161</span><span id="line-161"> } else {</span>
<span class="source-line-no">162</span><span id="line-162"> return invocation.callRealMethod();</span>
<span class="source-line-no">163</span><span id="line-163"> }</span>
<span class="source-line-no">164</span><span id="line-164"> }).when(manager).addPeer(anyString(), any(ReplicationPeerConfig.class), anyBoolean());</span>
<span class="source-line-no">165</span><span id="line-165"> doAnswer(invocation -&gt; {</span>
<span class="source-line-no">166</span><span id="line-166"> if (!removePeerCalled) {</span>
<span class="source-line-no">167</span><span id="line-167"> removePeerCalled = true;</span>
<span class="source-line-no">168</span><span id="line-168"> return invokeWithError(invocation, errorBeforeUpdate);</span>
<span class="source-line-no">169</span><span id="line-169"> } else {</span>
<span class="source-line-no">170</span><span id="line-170"> return invocation.callRealMethod();</span>
<span class="source-line-no">171</span><span id="line-171"> }</span>
<span class="source-line-no">172</span><span id="line-172"> }).when(manager).removePeer(anyString());</span>
<span class="source-line-no">173</span><span id="line-173"> doAnswer(invocation -&gt; {</span>
<span class="source-line-no">174</span><span id="line-174"> if (!updatePeerConfigCalled) {</span>
<span class="source-line-no">175</span><span id="line-175"> updatePeerConfigCalled = true;</span>
<span class="source-line-no">176</span><span id="line-176"> return invokeWithError(invocation, errorBeforeUpdate);</span>
<span class="source-line-no">177</span><span id="line-177"> } else {</span>
<span class="source-line-no">178</span><span id="line-178"> return invocation.callRealMethod();</span>
<span class="source-line-no">179</span><span id="line-179"> }</span>
<span class="source-line-no">180</span><span id="line-180"> }).when(manager).updatePeerConfig(anyString(), any(ReplicationPeerConfig.class));</span>
<span class="source-line-no">181</span><span id="line-181"> doAnswer(invocation -&gt; {</span>
<span class="source-line-no">182</span><span id="line-182"> if (!enablePeerCalled) {</span>
<span class="source-line-no">183</span><span id="line-183"> enablePeerCalled = true;</span>
<span class="source-line-no">184</span><span id="line-184"> return invokeWithError(invocation, errorBeforeUpdate);</span>
<span class="source-line-no">185</span><span id="line-185"> } else {</span>
<span class="source-line-no">186</span><span id="line-186"> return invocation.callRealMethod();</span>
<span class="source-line-no">187</span><span id="line-187"> }</span>
<span class="source-line-no">188</span><span id="line-188"> }).when(manager).enablePeer(anyString());</span>
<span class="source-line-no">189</span><span id="line-189"> doAnswer(invocation -&gt; {</span>
<span class="source-line-no">190</span><span id="line-190"> if (!disablePeerCalled) {</span>
<span class="source-line-no">191</span><span id="line-191"> disablePeerCalled = true;</span>
<span class="source-line-no">192</span><span id="line-192"> return invokeWithError(invocation, errorBeforeUpdate);</span>
<span class="source-line-no">193</span><span id="line-193"> } else {</span>
<span class="source-line-no">194</span><span id="line-194"> return invocation.callRealMethod();</span>
<span class="source-line-no">195</span><span id="line-195"> }</span>
<span class="source-line-no">196</span><span id="line-196"> }).when(manager).disablePeer(anyString());</span>
<span class="source-line-no">197</span><span id="line-197"> }</span>
<span class="source-line-no">198</span><span id="line-198"></span>
<span class="source-line-no">199</span><span id="line-199"> @Override</span>
<span class="source-line-no">200</span><span id="line-200"> public ReplicationPeerManager getReplicationPeerManager() {</span>
<span class="source-line-no">201</span><span id="line-201"> return manager;</span>
<span class="source-line-no">202</span><span id="line-202"> }</span>
<span class="source-line-no">203</span><span id="line-203"> }</span>
<span class="source-line-no">204</span><span id="line-204">}</span>
</pre>
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