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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.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertTrue;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.fail;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ServerName;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.zookeeper.ZKConfig;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.junit.Test;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.slf4j.Logger;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.slf4j.LoggerFactory;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>/**<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * White box testing for replication state interfaces. Implementations should extend this class, and<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * initialize the interfaces properly.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> */<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>public abstract class TestReplicationStateBasic {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> private static final Logger LOG = LoggerFactory.getLogger(TestReplicationStateBasic.class);<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> protected ServerName server1 = ServerName.valueOf("hostname1.example.org", 1234, 12345);<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> protected ServerName server2 = ServerName.valueOf("hostname2.example.org", 1234, 12345);<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> protected ServerName server3 = ServerName.valueOf("hostname3.example.org", 1234, 12345);<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> protected ReplicationPeers rp;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> protected static final String ID_ONE = "1";<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> protected static final String ID_TWO = "2";<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> protected static String KEY_ONE;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> protected static String KEY_TWO;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> // For testing when we try to replicate to ourself<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> protected String OUR_KEY;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> protected static int zkTimeoutCount;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> protected static final int ZK_MAX_COUNT = 300;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> protected static final int ZK_SLEEP_INTERVAL = 100; // millis<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> @Test<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public void testReplicationPeers() throws Exception {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> rp.init();<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> try {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> rp.getPeerStorage().setPeerState("bogus", true);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> fail("Should have thrown an IllegalArgumentException when passed a bogus peerId");<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> } catch (ReplicationException e) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> try {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> rp.getPeerStorage().setPeerState("bogus", false);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> fail("Should have thrown an IllegalArgumentException when passed a bogus peerId");<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> } catch (ReplicationException e) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> try {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> assertFalse(rp.addPeer("bogus"));<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> fail("Should have thrown an ReplicationException when passed a bogus peerId");<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> } catch (ReplicationException e) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> assertNumberOfPeers(0);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> // Add some peers<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> rp.getPeerStorage().addPeer(ID_ONE,<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> ReplicationPeerConfig.newBuilder().setClusterKey(KEY_ONE).build(), true,<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> SyncReplicationState.NONE);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> assertNumberOfPeers(1);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> rp.getPeerStorage().addPeer(ID_TWO,<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> ReplicationPeerConfig.newBuilder().setClusterKey(KEY_TWO).build(), true,<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> SyncReplicationState.NONE);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> assertNumberOfPeers(2);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> assertEquals(KEY_ONE, ZKConfig.getZooKeeperClusterKey(ReplicationUtils<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> .getPeerClusterConfiguration(rp.getPeerStorage().getPeerConfig(ID_ONE), rp.getConf())));<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> rp.getPeerStorage().removePeer(ID_ONE);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> rp.removePeer(ID_ONE);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> assertNumberOfPeers(1);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // Add one peer<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> rp.getPeerStorage().addPeer(ID_ONE,<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> ReplicationPeerConfig.newBuilder().setClusterKey(KEY_ONE).build(), true,<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> SyncReplicationState.NONE);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> rp.addPeer(ID_ONE);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> assertNumberOfPeers(2);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> assertTrue(rp.getPeer(ID_ONE).isPeerEnabled());<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> rp.getPeerStorage().setPeerState(ID_ONE, false);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // now we do not rely on zk watcher to trigger the state change so we need to trigger it<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> // manually...<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> ReplicationPeerImpl peer = rp.getPeer(ID_ONE);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> rp.refreshPeerState(peer.getId());<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> assertEquals(PeerState.DISABLED, peer.getPeerState());<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> assertConnectedPeerStatus(false, ID_ONE);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> rp.getPeerStorage().setPeerState(ID_ONE, true);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> // now we do not rely on zk watcher to trigger the state change so we need to trigger it<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> // manually...<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> rp.refreshPeerState(peer.getId());<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> assertEquals(PeerState.ENABLED, peer.getPeerState());<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> assertConnectedPeerStatus(true, ID_ONE);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> // Disconnect peer<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> rp.removePeer(ID_ONE);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> assertNumberOfPeers(2);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> private void assertConnectedPeerStatus(boolean status, String peerId) throws Exception {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> // we can first check if the value was changed in the store, if it wasn't then fail right away<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> if (status != rp.getPeerStorage().isPeerEnabled(peerId)) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> fail("ConnectedPeerStatus was " + !status + " but expected " + status + " in ZK");<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> while (true) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> if (status == rp.getPeer(peerId).isPeerEnabled()) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> return;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> if (zkTimeoutCount < ZK_MAX_COUNT) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> LOG.debug("ConnectedPeerStatus was " + !status + " but expected " + status<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> + ", sleeping and trying again.");<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> Thread.sleep(ZK_SLEEP_INTERVAL);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> } else {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> fail("Timed out waiting for ConnectedPeerStatus to be " + status);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> private void assertNumberOfPeers(int total) throws ReplicationException {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> assertEquals(total, rp.getPeerStorage().listPeerIds().size());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span>}<a name="line.143"></a> |
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| </pre> |
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