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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.replication;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.replication.ReplicationPeerConfigTestUtil.assertConfigEquals;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.replication.ReplicationPeerConfigTestUtil.getConfig;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertEquals;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.junit.Assert.assertFalse;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import static org.junit.Assert.assertThrows;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import static org.junit.Assert.fail;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.junit.Test;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>public abstract class ReplicationPeerStorageTestBase {<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span> protected static ReplicationPeerStorage STORAGE;<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span> @Test<a name="line.34"></a>
<span class="sourceLineNo">035</span> public void test() throws ReplicationException {<a name="line.35"></a>
<span class="sourceLineNo">036</span> int peerCount = 10;<a name="line.36"></a>
<span class="sourceLineNo">037</span> for (int i = 0; i &lt; peerCount; i++) {<a name="line.37"></a>
<span class="sourceLineNo">038</span> STORAGE.addPeer(Integer.toString(i), getConfig(i), i % 2 == 0,<a name="line.38"></a>
<span class="sourceLineNo">039</span> SyncReplicationState.valueOf(i % 4));<a name="line.39"></a>
<span class="sourceLineNo">040</span> }<a name="line.40"></a>
<span class="sourceLineNo">041</span> List&lt;String&gt; peerIds = STORAGE.listPeerIds();<a name="line.41"></a>
<span class="sourceLineNo">042</span> assertEquals(peerCount, peerIds.size());<a name="line.42"></a>
<span class="sourceLineNo">043</span> for (String peerId : peerIds) {<a name="line.43"></a>
<span class="sourceLineNo">044</span> int seed = Integer.parseInt(peerId);<a name="line.44"></a>
<span class="sourceLineNo">045</span> assertConfigEquals(getConfig(seed), STORAGE.getPeerConfig(peerId));<a name="line.45"></a>
<span class="sourceLineNo">046</span> }<a name="line.46"></a>
<span class="sourceLineNo">047</span> for (int i = 0; i &lt; peerCount; i++) {<a name="line.47"></a>
<span class="sourceLineNo">048</span> STORAGE.updatePeerConfig(Integer.toString(i), getConfig(i + 1));<a name="line.48"></a>
<span class="sourceLineNo">049</span> }<a name="line.49"></a>
<span class="sourceLineNo">050</span> for (String peerId : peerIds) {<a name="line.50"></a>
<span class="sourceLineNo">051</span> int seed = Integer.parseInt(peerId);<a name="line.51"></a>
<span class="sourceLineNo">052</span> assertConfigEquals(getConfig(seed + 1), STORAGE.getPeerConfig(peerId));<a name="line.52"></a>
<span class="sourceLineNo">053</span> }<a name="line.53"></a>
<span class="sourceLineNo">054</span> for (int i = 0; i &lt; peerCount; i++) {<a name="line.54"></a>
<span class="sourceLineNo">055</span> assertEquals(i % 2 == 0, STORAGE.isPeerEnabled(Integer.toString(i)));<a name="line.55"></a>
<span class="sourceLineNo">056</span> }<a name="line.56"></a>
<span class="sourceLineNo">057</span> for (int i = 0; i &lt; peerCount; i++) {<a name="line.57"></a>
<span class="sourceLineNo">058</span> STORAGE.setPeerState(Integer.toString(i), i % 2 != 0);<a name="line.58"></a>
<span class="sourceLineNo">059</span> }<a name="line.59"></a>
<span class="sourceLineNo">060</span> for (int i = 0; i &lt; peerCount; i++) {<a name="line.60"></a>
<span class="sourceLineNo">061</span> assertEquals(i % 2 != 0, STORAGE.isPeerEnabled(Integer.toString(i)));<a name="line.61"></a>
<span class="sourceLineNo">062</span> }<a name="line.62"></a>
<span class="sourceLineNo">063</span> for (int i = 0; i &lt; peerCount; i++) {<a name="line.63"></a>
<span class="sourceLineNo">064</span> assertEquals(SyncReplicationState.valueOf(i % 4),<a name="line.64"></a>
<span class="sourceLineNo">065</span> STORAGE.getPeerSyncReplicationState(Integer.toString(i)));<a name="line.65"></a>
<span class="sourceLineNo">066</span> }<a name="line.66"></a>
<span class="sourceLineNo">067</span> String toRemove = Integer.toString(peerCount / 2);<a name="line.67"></a>
<span class="sourceLineNo">068</span> STORAGE.removePeer(toRemove);<a name="line.68"></a>
<span class="sourceLineNo">069</span> peerIds = STORAGE.listPeerIds();<a name="line.69"></a>
<span class="sourceLineNo">070</span> assertEquals(peerCount - 1, peerIds.size());<a name="line.70"></a>
<span class="sourceLineNo">071</span> assertFalse(peerIds.contains(toRemove));<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> try {<a name="line.73"></a>
<span class="sourceLineNo">074</span> STORAGE.getPeerConfig(toRemove);<a name="line.74"></a>
<span class="sourceLineNo">075</span> fail("Should throw a ReplicationException when getting peer config of a removed peer");<a name="line.75"></a>
<span class="sourceLineNo">076</span> } catch (ReplicationException e) {<a name="line.76"></a>
<span class="sourceLineNo">077</span> }<a name="line.77"></a>
<span class="sourceLineNo">078</span> }<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span> protected abstract void removePeerSyncRelicationState(String peerId) throws Exception;<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> protected abstract void assertPeerSyncReplicationStateCreate(String peerId) throws Exception;<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span> @Test<a name="line.84"></a>
<span class="sourceLineNo">085</span> public void testNoSyncReplicationState() throws Exception {<a name="line.85"></a>
<span class="sourceLineNo">086</span> // This could happen for a peer created before we introduce sync replication.<a name="line.86"></a>
<span class="sourceLineNo">087</span> String peerId = "testNoSyncReplicationState";<a name="line.87"></a>
<span class="sourceLineNo">088</span> assertThrows("Should throw a ReplicationException when getting state of inexist peer",<a name="line.88"></a>
<span class="sourceLineNo">089</span> ReplicationException.class, () -&gt; STORAGE.getPeerSyncReplicationState(peerId));<a name="line.89"></a>
<span class="sourceLineNo">090</span> assertThrows("Should throw a ReplicationException when getting state of inexist peer",<a name="line.90"></a>
<span class="sourceLineNo">091</span> ReplicationException.class, () -&gt; STORAGE.getPeerNewSyncReplicationState(peerId));<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> STORAGE.addPeer(peerId, getConfig(0), true, SyncReplicationState.NONE);<a name="line.93"></a>
<span class="sourceLineNo">094</span> // delete the sync replication state node to simulate<a name="line.94"></a>
<span class="sourceLineNo">095</span> removePeerSyncRelicationState(peerId);<a name="line.95"></a>
<span class="sourceLineNo">096</span> // should not throw exception as the peer exists<a name="line.96"></a>
<span class="sourceLineNo">097</span> assertEquals(SyncReplicationState.NONE, STORAGE.getPeerSyncReplicationState(peerId));<a name="line.97"></a>
<span class="sourceLineNo">098</span> assertEquals(SyncReplicationState.NONE, STORAGE.getPeerNewSyncReplicationState(peerId));<a name="line.98"></a>
<span class="sourceLineNo">099</span> // make sure we create the node for the old format peer<a name="line.99"></a>
<span class="sourceLineNo">100</span> assertPeerSyncReplicationStateCreate(peerId);<a name="line.100"></a>
<span class="sourceLineNo">101</span> }<a name="line.101"></a>
<span class="sourceLineNo">102</span><a name="line.102"></a>
<span class="sourceLineNo">103</span> protected abstract void assertPeerNameControlException(ReplicationException e);<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span> @Test<a name="line.105"></a>
<span class="sourceLineNo">106</span> public void testPeerNameControl() throws Exception {<a name="line.106"></a>
<span class="sourceLineNo">107</span> String clusterKey = "key";<a name="line.107"></a>
<span class="sourceLineNo">108</span> STORAGE.addPeer("6", ReplicationPeerConfig.newBuilder().setClusterKey(clusterKey).build(), true,<a name="line.108"></a>
<span class="sourceLineNo">109</span> SyncReplicationState.NONE);<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span> try {<a name="line.111"></a>
<span class="sourceLineNo">112</span> ReplicationException e = assertThrows(ReplicationException.class,<a name="line.112"></a>
<span class="sourceLineNo">113</span> () -&gt; STORAGE.addPeer("6",<a name="line.113"></a>
<span class="sourceLineNo">114</span> ReplicationPeerConfig.newBuilder().setClusterKey(clusterKey).build(), true,<a name="line.114"></a>
<span class="sourceLineNo">115</span> SyncReplicationState.NONE));<a name="line.115"></a>
<span class="sourceLineNo">116</span> assertPeerNameControlException(e);<a name="line.116"></a>
<span class="sourceLineNo">117</span> } finally {<a name="line.117"></a>
<span class="sourceLineNo">118</span> // clean up<a name="line.118"></a>
<span class="sourceLineNo">119</span> STORAGE.removePeer("6");<a name="line.119"></a>
<span class="sourceLineNo">120</span> }<a name="line.120"></a>
<span class="sourceLineNo">121</span> }<a name="line.121"></a>
<span class="sourceLineNo">122</span>}<a name="line.122"></a>
</pre>
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