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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.junit.Assert.fail;</span> |
| <span class="source-line-no">024</span><span id="line-24"></span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.replication.ReplicationPeerConfigUtil;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.zookeeper.ZKConfig;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.junit.Test;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.slf4j.Logger;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">/**</span> |
| <span class="source-line-no">034</span><span id="line-34"> * White box testing for replication state interfaces. Implementations should extend this class, and</span> |
| <span class="source-line-no">035</span><span id="line-35"> * initialize the interfaces properly.</span> |
| <span class="source-line-no">036</span><span id="line-36"> */</span> |
| <span class="source-line-no">037</span><span id="line-37">public abstract class TestReplicationStateBasic {</span> |
| <span class="source-line-no">038</span><span id="line-38"></span> |
| <span class="source-line-no">039</span><span id="line-39"> private static final Logger LOG = LoggerFactory.getLogger(TestReplicationStateBasic.class);</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41"> protected ServerName server1 = ServerName.valueOf("hostname1.example.org", 1234, 12345);</span> |
| <span class="source-line-no">042</span><span id="line-42"> protected ServerName server2 = ServerName.valueOf("hostname2.example.org", 1234, 12345);</span> |
| <span class="source-line-no">043</span><span id="line-43"> protected ServerName server3 = ServerName.valueOf("hostname3.example.org", 1234, 12345);</span> |
| <span class="source-line-no">044</span><span id="line-44"> protected ReplicationPeers rp;</span> |
| <span class="source-line-no">045</span><span id="line-45"> protected static final String ID_ONE = "1";</span> |
| <span class="source-line-no">046</span><span id="line-46"> protected static final String ID_TWO = "2";</span> |
| <span class="source-line-no">047</span><span id="line-47"> protected static String KEY_ONE;</span> |
| <span class="source-line-no">048</span><span id="line-48"> protected static String KEY_TWO;</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> // For testing when we try to replicate to ourself</span> |
| <span class="source-line-no">051</span><span id="line-51"> protected String OUR_KEY;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> protected static int zkTimeoutCount;</span> |
| <span class="source-line-no">054</span><span id="line-54"> protected static final int ZK_MAX_COUNT = 300;</span> |
| <span class="source-line-no">055</span><span id="line-55"> protected static final int ZK_SLEEP_INTERVAL = 100; // millis</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57"> @Test</span> |
| <span class="source-line-no">058</span><span id="line-58"> public void testReplicationPeers() throws Exception {</span> |
| <span class="source-line-no">059</span><span id="line-59"> rp.init();</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> try {</span> |
| <span class="source-line-no">062</span><span id="line-62"> rp.getPeerStorage().setPeerState("bogus", true);</span> |
| <span class="source-line-no">063</span><span id="line-63"> fail("Should have thrown an IllegalArgumentException when passed a bogus peerId");</span> |
| <span class="source-line-no">064</span><span id="line-64"> } catch (ReplicationException e) {</span> |
| <span class="source-line-no">065</span><span id="line-65"> }</span> |
| <span class="source-line-no">066</span><span id="line-66"> try {</span> |
| <span class="source-line-no">067</span><span id="line-67"> rp.getPeerStorage().setPeerState("bogus", false);</span> |
| <span class="source-line-no">068</span><span id="line-68"> fail("Should have thrown an IllegalArgumentException when passed a bogus peerId");</span> |
| <span class="source-line-no">069</span><span id="line-69"> } catch (ReplicationException e) {</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> try {</span> |
| <span class="source-line-no">073</span><span id="line-73"> assertFalse(rp.addPeer("bogus"));</span> |
| <span class="source-line-no">074</span><span id="line-74"> fail("Should have thrown an ReplicationException when passed a bogus peerId");</span> |
| <span class="source-line-no">075</span><span id="line-75"> } catch (ReplicationException e) {</span> |
| <span class="source-line-no">076</span><span id="line-76"> }</span> |
| <span class="source-line-no">077</span><span id="line-77"></span> |
| <span class="source-line-no">078</span><span id="line-78"> assertNumberOfPeers(0);</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> // Add some peers</span> |
| <span class="source-line-no">081</span><span id="line-81"> rp.getPeerStorage().addPeer(ID_ONE,</span> |
| <span class="source-line-no">082</span><span id="line-82"> ReplicationPeerConfig.newBuilder().setClusterKey(KEY_ONE).build(), true,</span> |
| <span class="source-line-no">083</span><span id="line-83"> SyncReplicationState.NONE);</span> |
| <span class="source-line-no">084</span><span id="line-84"> assertNumberOfPeers(1);</span> |
| <span class="source-line-no">085</span><span id="line-85"> rp.getPeerStorage().addPeer(ID_TWO,</span> |
| <span class="source-line-no">086</span><span id="line-86"> ReplicationPeerConfig.newBuilder().setClusterKey(KEY_TWO).build(), true,</span> |
| <span class="source-line-no">087</span><span id="line-87"> SyncReplicationState.NONE);</span> |
| <span class="source-line-no">088</span><span id="line-88"> assertNumberOfPeers(2);</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> assertEquals(KEY_ONE, ZKConfig.getZooKeeperClusterKey(ReplicationPeerConfigUtil</span> |
| <span class="source-line-no">091</span><span id="line-91"> .getPeerClusterConfiguration(rp.getConf(), rp.getPeerStorage().getPeerConfig(ID_ONE))));</span> |
| <span class="source-line-no">092</span><span id="line-92"> rp.getPeerStorage().removePeer(ID_ONE);</span> |
| <span class="source-line-no">093</span><span id="line-93"> rp.removePeer(ID_ONE);</span> |
| <span class="source-line-no">094</span><span id="line-94"> assertNumberOfPeers(1);</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> // Add one peer</span> |
| <span class="source-line-no">097</span><span id="line-97"> rp.getPeerStorage().addPeer(ID_ONE,</span> |
| <span class="source-line-no">098</span><span id="line-98"> ReplicationPeerConfig.newBuilder().setClusterKey(KEY_ONE).build(), true,</span> |
| <span class="source-line-no">099</span><span id="line-99"> SyncReplicationState.NONE);</span> |
| <span class="source-line-no">100</span><span id="line-100"> rp.addPeer(ID_ONE);</span> |
| <span class="source-line-no">101</span><span id="line-101"> assertNumberOfPeers(2);</span> |
| <span class="source-line-no">102</span><span id="line-102"> assertTrue(rp.getPeer(ID_ONE).isPeerEnabled());</span> |
| <span class="source-line-no">103</span><span id="line-103"> rp.getPeerStorage().setPeerState(ID_ONE, false);</span> |
| <span class="source-line-no">104</span><span id="line-104"> // now we do not rely on zk watcher to trigger the state change so we need to trigger it</span> |
| <span class="source-line-no">105</span><span id="line-105"> // manually...</span> |
| <span class="source-line-no">106</span><span id="line-106"> ReplicationPeerImpl peer = rp.getPeer(ID_ONE);</span> |
| <span class="source-line-no">107</span><span id="line-107"> rp.refreshPeerState(peer.getId());</span> |
| <span class="source-line-no">108</span><span id="line-108"> assertEquals(PeerState.DISABLED, peer.getPeerState());</span> |
| <span class="source-line-no">109</span><span id="line-109"> assertConnectedPeerStatus(false, ID_ONE);</span> |
| <span class="source-line-no">110</span><span id="line-110"> rp.getPeerStorage().setPeerState(ID_ONE, true);</span> |
| <span class="source-line-no">111</span><span id="line-111"> // now we do not rely on zk watcher to trigger the state change so we need to trigger it</span> |
| <span class="source-line-no">112</span><span id="line-112"> // manually...</span> |
| <span class="source-line-no">113</span><span id="line-113"> rp.refreshPeerState(peer.getId());</span> |
| <span class="source-line-no">114</span><span id="line-114"> assertEquals(PeerState.ENABLED, peer.getPeerState());</span> |
| <span class="source-line-no">115</span><span id="line-115"> assertConnectedPeerStatus(true, ID_ONE);</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> // Disconnect peer</span> |
| <span class="source-line-no">118</span><span id="line-118"> rp.removePeer(ID_ONE);</span> |
| <span class="source-line-no">119</span><span id="line-119"> assertNumberOfPeers(2);</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"> private void assertConnectedPeerStatus(boolean status, String peerId) throws Exception {</span> |
| <span class="source-line-no">123</span><span id="line-123"> // we can first check if the value was changed in the store, if it wasn't then fail right away</span> |
| <span class="source-line-no">124</span><span id="line-124"> if (status != rp.getPeerStorage().isPeerEnabled(peerId)) {</span> |
| <span class="source-line-no">125</span><span id="line-125"> fail("ConnectedPeerStatus was " + !status + " but expected " + status + " in ZK");</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127"> while (true) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> if (status == rp.getPeer(peerId).isPeerEnabled()) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> return;</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"> if (zkTimeoutCount < ZK_MAX_COUNT) {</span> |
| <span class="source-line-no">132</span><span id="line-132"> LOG.debug("ConnectedPeerStatus was " + !status + " but expected " + status</span> |
| <span class="source-line-no">133</span><span id="line-133"> + ", sleeping and trying again.");</span> |
| <span class="source-line-no">134</span><span id="line-134"> Thread.sleep(ZK_SLEEP_INTERVAL);</span> |
| <span class="source-line-no">135</span><span id="line-135"> } else {</span> |
| <span class="source-line-no">136</span><span id="line-136"> fail("Timed out waiting for ConnectedPeerStatus to be " + status);</span> |
| <span class="source-line-no">137</span><span id="line-137"> }</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"></span> |
| <span class="source-line-no">141</span><span id="line-141"> private void assertNumberOfPeers(int total) throws ReplicationException {</span> |
| <span class="source-line-no">142</span><span id="line-142"> assertEquals(total, rp.getPeerStorage().listPeerIds().size());</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144">}</span> |
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| </pre> |
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