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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;</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 java.io.IOException;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Collections;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.regionserver.Region;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.MiscTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.After;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.Before;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.ClassRule;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.Rule;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.Test;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46">/**</span> |
| <span class="source-line-no">047</span><span id="line-47"> * Test being able to edit hbase:meta.</span> |
| <span class="source-line-no">048</span><span id="line-48"> */</span> |
| <span class="source-line-no">049</span><span id="line-49">@Category({ MiscTests.class, MediumTests.class })</span> |
| <span class="source-line-no">050</span><span id="line-50">public class TestHBaseMetaEdit {</span> |
| <span class="source-line-no">051</span><span id="line-51"> @ClassRule</span> |
| <span class="source-line-no">052</span><span id="line-52"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">053</span><span id="line-53"> HBaseClassTestRule.forClass(TestHBaseMetaEdit.class);</span> |
| <span class="source-line-no">054</span><span id="line-54"> @Rule</span> |
| <span class="source-line-no">055</span><span id="line-55"> public TestName name = new TestName();</span> |
| <span class="source-line-no">056</span><span id="line-56"> private final static HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> @Before</span> |
| <span class="source-line-no">059</span><span id="line-59"> public void before() throws Exception {</span> |
| <span class="source-line-no">060</span><span id="line-60"> UTIL.startMiniCluster();</span> |
| <span class="source-line-no">061</span><span id="line-61"> }</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @After</span> |
| <span class="source-line-no">064</span><span id="line-64"> public void after() throws Exception {</span> |
| <span class="source-line-no">065</span><span id="line-65"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> // make sure that with every possible way, we get the same meta table descriptor.</span> |
| <span class="source-line-no">069</span><span id="line-69"> private TableDescriptor getMetaDescriptor() throws TableNotFoundException, IOException {</span> |
| <span class="source-line-no">070</span><span id="line-70"> Admin admin = UTIL.getAdmin();</span> |
| <span class="source-line-no">071</span><span id="line-71"> TableDescriptor get = admin.getDescriptor(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">072</span><span id="line-72"> TableDescriptor list =</span> |
| <span class="source-line-no">073</span><span id="line-73"> admin.listTableDescriptors(true).stream().filter(td -> td.isMetaTable()).findAny().get();</span> |
| <span class="source-line-no">074</span><span id="line-74"> TableDescriptor listByName =</span> |
| <span class="source-line-no">075</span><span id="line-75"> admin.listTableDescriptors(Collections.singletonList(TableName.META_TABLE_NAME)).get(0);</span> |
| <span class="source-line-no">076</span><span id="line-76"> TableDescriptor listByNs =</span> |
| <span class="source-line-no">077</span><span id="line-77"> admin.listTableDescriptorsByNamespace(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME).stream()</span> |
| <span class="source-line-no">078</span><span id="line-78"> .filter(td -> td.isMetaTable()).findAny().get();</span> |
| <span class="source-line-no">079</span><span id="line-79"> assertEquals(get, list);</span> |
| <span class="source-line-no">080</span><span id="line-80"> assertEquals(get, listByName);</span> |
| <span class="source-line-no">081</span><span id="line-81"> assertEquals(get, listByNs);</span> |
| <span class="source-line-no">082</span><span id="line-82"> return get;</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> /**</span> |
| <span class="source-line-no">086</span><span id="line-86"> * Set versions, set HBASE-16213 indexed block encoding, and add a column family. Delete the</span> |
| <span class="source-line-no">087</span><span id="line-87"> * column family. Then try to delete a core hbase:meta family (should fail). Verify they are all</span> |
| <span class="source-line-no">088</span><span id="line-88"> * in place by looking at TableDescriptor AND by checking what the RegionServer sees after opening</span> |
| <span class="source-line-no">089</span><span id="line-89"> * Region.</span> |
| <span class="source-line-no">090</span><span id="line-90"> */</span> |
| <span class="source-line-no">091</span><span id="line-91"> @Test</span> |
| <span class="source-line-no">092</span><span id="line-92"> public void testEditMeta() throws IOException {</span> |
| <span class="source-line-no">093</span><span id="line-93"> Admin admin = UTIL.getAdmin();</span> |
| <span class="source-line-no">094</span><span id="line-94"> admin.tableExists(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">095</span><span id="line-95"> TableDescriptor originalDescriptor = getMetaDescriptor();</span> |
| <span class="source-line-no">096</span><span id="line-96"> ColumnFamilyDescriptor cfd = originalDescriptor.getColumnFamily(HConstants.CATALOG_FAMILY);</span> |
| <span class="source-line-no">097</span><span id="line-97"> int oldVersions = cfd.getMaxVersions();</span> |
| <span class="source-line-no">098</span><span id="line-98"> // Add '1' to current versions count. Set encoding too.</span> |
| <span class="source-line-no">099</span><span id="line-99"> cfd = ColumnFamilyDescriptorBuilder.newBuilder(cfd).setMaxVersions(oldVersions + 1)</span> |
| <span class="source-line-no">100</span><span id="line-100"> .setConfiguration(ColumnFamilyDescriptorBuilder.DATA_BLOCK_ENCODING,</span> |
| <span class="source-line-no">101</span><span id="line-101"> DataBlockEncoding.ROW_INDEX_V1.toString())</span> |
| <span class="source-line-no">102</span><span id="line-102"> .build();</span> |
| <span class="source-line-no">103</span><span id="line-103"> admin.modifyColumnFamily(TableName.META_TABLE_NAME, cfd);</span> |
| <span class="source-line-no">104</span><span id="line-104"> byte[] extraColumnFamilyName = Bytes.toBytes("xtra");</span> |
| <span class="source-line-no">105</span><span id="line-105"> ColumnFamilyDescriptor newCfd =</span> |
| <span class="source-line-no">106</span><span id="line-106"> ColumnFamilyDescriptorBuilder.newBuilder(extraColumnFamilyName).build();</span> |
| <span class="source-line-no">107</span><span id="line-107"> admin.addColumnFamily(TableName.META_TABLE_NAME, newCfd);</span> |
| <span class="source-line-no">108</span><span id="line-108"> TableDescriptor descriptor = getMetaDescriptor();</span> |
| <span class="source-line-no">109</span><span id="line-109"> // Assert new max versions is == old versions plus 1.</span> |
| <span class="source-line-no">110</span><span id="line-110"> assertEquals(oldVersions + 1,</span> |
| <span class="source-line-no">111</span><span id="line-111"> descriptor.getColumnFamily(HConstants.CATALOG_FAMILY).getMaxVersions());</span> |
| <span class="source-line-no">112</span><span id="line-112"> descriptor = getMetaDescriptor();</span> |
| <span class="source-line-no">113</span><span id="line-113"> // Assert new max versions is == old versions plus 1.</span> |
| <span class="source-line-no">114</span><span id="line-114"> assertEquals(oldVersions + 1,</span> |
| <span class="source-line-no">115</span><span id="line-115"> descriptor.getColumnFamily(HConstants.CATALOG_FAMILY).getMaxVersions());</span> |
| <span class="source-line-no">116</span><span id="line-116"> assertTrue(descriptor.getColumnFamily(newCfd.getName()) != null);</span> |
| <span class="source-line-no">117</span><span id="line-117"> String encoding = descriptor.getColumnFamily(HConstants.CATALOG_FAMILY).getConfiguration()</span> |
| <span class="source-line-no">118</span><span id="line-118"> .get(ColumnFamilyDescriptorBuilder.DATA_BLOCK_ENCODING);</span> |
| <span class="source-line-no">119</span><span id="line-119"> assertEquals(encoding, DataBlockEncoding.ROW_INDEX_V1.toString());</span> |
| <span class="source-line-no">120</span><span id="line-120"> Region r = UTIL.getHBaseCluster().getRegionServer(0)</span> |
| <span class="source-line-no">121</span><span id="line-121"> .getRegion(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedName());</span> |
| <span class="source-line-no">122</span><span id="line-122"> assertEquals(oldVersions + 1,</span> |
| <span class="source-line-no">123</span><span id="line-123"> r.getStore(HConstants.CATALOG_FAMILY).getColumnFamilyDescriptor().getMaxVersions());</span> |
| <span class="source-line-no">124</span><span id="line-124"> encoding = r.getStore(HConstants.CATALOG_FAMILY).getColumnFamilyDescriptor()</span> |
| <span class="source-line-no">125</span><span id="line-125"> .getConfigurationValue(ColumnFamilyDescriptorBuilder.DATA_BLOCK_ENCODING);</span> |
| <span class="source-line-no">126</span><span id="line-126"> assertEquals(encoding, DataBlockEncoding.ROW_INDEX_V1.toString());</span> |
| <span class="source-line-no">127</span><span id="line-127"> assertTrue(r.getStore(extraColumnFamilyName) != null);</span> |
| <span class="source-line-no">128</span><span id="line-128"> // Assert we can't drop critical hbase:meta column family but we can drop any other.</span> |
| <span class="source-line-no">129</span><span id="line-129"> admin.deleteColumnFamily(TableName.META_TABLE_NAME, newCfd.getName());</span> |
| <span class="source-line-no">130</span><span id="line-130"> descriptor = getMetaDescriptor();</span> |
| <span class="source-line-no">131</span><span id="line-131"> assertTrue(descriptor.getColumnFamily(newCfd.getName()) == null);</span> |
| <span class="source-line-no">132</span><span id="line-132"> try {</span> |
| <span class="source-line-no">133</span><span id="line-133"> admin.deleteColumnFamily(TableName.META_TABLE_NAME, HConstants.CATALOG_FAMILY);</span> |
| <span class="source-line-no">134</span><span id="line-134"> fail("Should not reach here");</span> |
| <span class="source-line-no">135</span><span id="line-135"> } catch (HBaseIOException hioe) {</span> |
| <span class="source-line-no">136</span><span id="line-136"> assertTrue(hioe.getMessage().contains("Delete of hbase:meta"));</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"> * Validate whether meta table can be altered as READ only, shouldn't be allowed otherwise it will</span> |
| <span class="source-line-no">142</span><span id="line-142"> * break assignment functionalities. See HBASE-24977.</span> |
| <span class="source-line-no">143</span><span id="line-143"> */</span> |
| <span class="source-line-no">144</span><span id="line-144"> @Test</span> |
| <span class="source-line-no">145</span><span id="line-145"> public void testAlterMetaWithReadOnly() throws IOException {</span> |
| <span class="source-line-no">146</span><span id="line-146"> Admin admin = UTIL.getAdmin();</span> |
| <span class="source-line-no">147</span><span id="line-147"> TableDescriptor origMetaTableDesc = admin.getDescriptor(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">148</span><span id="line-148"> assertFalse(origMetaTableDesc.isReadOnly());</span> |
| <span class="source-line-no">149</span><span id="line-149"> TableDescriptor newTD =</span> |
| <span class="source-line-no">150</span><span id="line-150"> TableDescriptorBuilder.newBuilder(origMetaTableDesc).setReadOnly(true).build();</span> |
| <span class="source-line-no">151</span><span id="line-151"> try {</span> |
| <span class="source-line-no">152</span><span id="line-152"> admin.modifyTable(newTD);</span> |
| <span class="source-line-no">153</span><span id="line-153"> fail("Meta table can't be set as read only");</span> |
| <span class="source-line-no">154</span><span id="line-154"> } catch (Exception e) {</span> |
| <span class="source-line-no">155</span><span id="line-155"> assertFalse(admin.getDescriptor(TableName.META_TABLE_NAME).isReadOnly());</span> |
| <span class="source-line-no">156</span><span id="line-156"> }</span> |
| <span class="source-line-no">157</span><span id="line-157"></span> |
| <span class="source-line-no">158</span><span id="line-158"> // Create a table to check region assignment & meta operation</span> |
| <span class="source-line-no">159</span><span id="line-159"> TableName tableName = TableName.valueOf("tempTable");</span> |
| <span class="source-line-no">160</span><span id="line-160"> TableDescriptor td = TableDescriptorBuilder.newBuilder(tableName).setReadOnly(true)</span> |
| <span class="source-line-no">161</span><span id="line-161"> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(Bytes.toBytes("f1")).build())</span> |
| <span class="source-line-no">162</span><span id="line-162"> .build();</span> |
| <span class="source-line-no">163</span><span id="line-163"> UTIL.getAdmin().createTable(td);</span> |
| <span class="source-line-no">164</span><span id="line-164"> UTIL.deleteTable(tableName);</span> |
| <span class="source-line-no">165</span><span id="line-165"> }</span> |
| <span class="source-line-no">166</span><span id="line-166">}</span> |
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