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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.client;</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.assertThrows;</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"></span>
<span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HConstants;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.TableName;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.TableNotFoundException;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.testclassification.MiscTests;</span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.zookeeper.ZKUtil;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.zookeeper.ZKWatcher;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.zookeeper.ZNodePaths;</span>
<span class="source-line-no">035</span><span id="line-35">import org.junit.BeforeClass;</span>
<span class="source-line-no">036</span><span id="line-36">import org.junit.ClassRule;</span>
<span class="source-line-no">037</span><span id="line-37">import org.junit.Test;</span>
<span class="source-line-no">038</span><span id="line-38">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">039</span><span id="line-39"></span>
<span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span>
<span class="source-line-no">041</span><span id="line-41"></span>
<span class="source-line-no">042</span><span id="line-42">@Category({ MiscTests.class, MediumTests.class })</span>
<span class="source-line-no">043</span><span id="line-43">public class TestMetaWithReplicasBasic extends MetaWithReplicasTestBase {</span>
<span class="source-line-no">044</span><span id="line-44"></span>
<span class="source-line-no">045</span><span id="line-45"> @ClassRule</span>
<span class="source-line-no">046</span><span id="line-46"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">047</span><span id="line-47"> HBaseClassTestRule.forClass(TestMetaWithReplicasBasic.class);</span>
<span class="source-line-no">048</span><span id="line-48"></span>
<span class="source-line-no">049</span><span id="line-49"> @BeforeClass</span>
<span class="source-line-no">050</span><span id="line-50"> public static void setUp() throws Exception {</span>
<span class="source-line-no">051</span><span id="line-51"> startCluster();</span>
<span class="source-line-no">052</span><span id="line-52"> }</span>
<span class="source-line-no">053</span><span id="line-53"></span>
<span class="source-line-no">054</span><span id="line-54"> @Test</span>
<span class="source-line-no">055</span><span id="line-55"> public void testMetaHTDReplicaCount() throws Exception {</span>
<span class="source-line-no">056</span><span id="line-56"> assertEquals(3,</span>
<span class="source-line-no">057</span><span id="line-57"> TEST_UTIL.getAdmin().getDescriptor(TableName.META_TABLE_NAME).getRegionReplication());</span>
<span class="source-line-no">058</span><span id="line-58"> }</span>
<span class="source-line-no">059</span><span id="line-59"></span>
<span class="source-line-no">060</span><span id="line-60"> @Test</span>
<span class="source-line-no">061</span><span id="line-61"> public void testZookeeperNodesForReplicas() throws Exception {</span>
<span class="source-line-no">062</span><span id="line-62"> // Checks all the znodes exist when meta's replicas are enabled</span>
<span class="source-line-no">063</span><span id="line-63"> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();</span>
<span class="source-line-no">064</span><span id="line-64"> Configuration conf = TEST_UTIL.getConfiguration();</span>
<span class="source-line-no">065</span><span id="line-65"> String baseZNode =</span>
<span class="source-line-no">066</span><span id="line-66"> conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT, HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);</span>
<span class="source-line-no">067</span><span id="line-67"> String primaryMetaZnode =</span>
<span class="source-line-no">068</span><span id="line-68"> ZNodePaths.joinZNode(baseZNode, conf.get("zookeeper.znode.metaserver", "meta-region-server"));</span>
<span class="source-line-no">069</span><span id="line-69"> // check that the data in the znode is parseable (this would also mean the znode exists)</span>
<span class="source-line-no">070</span><span id="line-70"> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);</span>
<span class="source-line-no">071</span><span id="line-71"> ProtobufUtil.toServerName(data);</span>
<span class="source-line-no">072</span><span id="line-72"> for (int i = 1; i &lt; 3; i++) {</span>
<span class="source-line-no">073</span><span id="line-73"> String secZnode = ZNodePaths.joinZNode(baseZNode,</span>
<span class="source-line-no">074</span><span id="line-74"> conf.get("zookeeper.znode.metaserver", "meta-region-server") + "-" + i);</span>
<span class="source-line-no">075</span><span id="line-75"> String str = zkw.getZNodePaths().getZNodeForReplica(i);</span>
<span class="source-line-no">076</span><span id="line-76"> assertTrue(str.equals(secZnode));</span>
<span class="source-line-no">077</span><span id="line-77"> // check that the data in the znode is parseable (this would also mean the znode exists)</span>
<span class="source-line-no">078</span><span id="line-78"> data = ZKUtil.getData(zkw, secZnode);</span>
<span class="source-line-no">079</span><span id="line-79"> ProtobufUtil.toServerName(data);</span>
<span class="source-line-no">080</span><span id="line-80"> }</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"> @Test</span>
<span class="source-line-no">084</span><span id="line-84"> public void testAccessingUnknownTables() throws Exception {</span>
<span class="source-line-no">085</span><span id="line-85"> Configuration conf = new Configuration(TEST_UTIL.getConfiguration());</span>
<span class="source-line-no">086</span><span id="line-86"> conf.setBoolean(HConstants.USE_META_REPLICAS, true);</span>
<span class="source-line-no">087</span><span id="line-87"> Table table = TEST_UTIL.getConnection().getTable(name.getTableName());</span>
<span class="source-line-no">088</span><span id="line-88"> Get get = new Get(Bytes.toBytes("foo"));</span>
<span class="source-line-no">089</span><span id="line-89"> assertThrows(TableNotFoundException.class, () -&gt; table.get(get));</span>
<span class="source-line-no">090</span><span id="line-90"> }</span>
<span class="source-line-no">091</span><span id="line-91">}</span>
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