1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.util.hbck;
19  
20  import static org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.assertErrors;
21  import static org.apache.hadoop.hbase.util.hbck.HbckTestingUtil.doFsck;
22  import static org.junit.Assert.assertEquals;
23  import static org.junit.Assert.assertFalse;
24  
25  import java.util.Arrays;
26  
27  import org.apache.hadoop.hbase.HBaseTestingUtility;
28  import org.apache.hadoop.hbase.HTableDescriptor;
29  import org.apache.hadoop.hbase.MediumTests;
30  import org.apache.hadoop.hbase.util.HBaseFsck;
31  import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter.ERROR_CODE;
32  import org.apache.hadoop.hbase.util.HBaseFsck.HbckInfo;
33  import org.apache.hadoop.hbase.zookeeper.ZKAssign;
34  import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
35  import org.junit.Test;
36  import org.junit.experimental.categories.Category;
37  
38  import com.google.common.collect.Multimap;
39  
40  /**
41   * This builds a table, builds an overlap, and then fails when attempting to
42   * rebuild meta.
43   */
44  @Category(MediumTests.class)
45  public class TestOfflineMetaRebuildOverlap extends OfflineMetaRebuildTestCore {
46  
47    @Test(timeout = 120000)
48    public void testMetaRebuildOverlapFail() throws Exception {
49      // Add a new .regioninfo meta entry in hdfs
50      byte[] startKey = splits[0];
51      byte[] endKey = splits[2];
52      createRegion(conf, htbl, startKey, endKey);
53  
54      wipeOutMeta();
55  
56      // is meta really messed up?
57      assertEquals(0, scanMeta());
58      assertErrors(doFsck(conf, false),
59          new ERROR_CODE[] { ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
60              ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
61              ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
62              ERROR_CODE.NOT_IN_META_OR_DEPLOYED, });
63      // Note, would like to check # of tables, but this takes a while to time
64      // out.
65  
66      // shutdown the minicluster
67      TEST_UTIL.shutdownMiniHBaseCluster();
68      TEST_UTIL.shutdownMiniZKCluster();
69  
70      // attempt to rebuild meta table from scratch
71      HBaseFsck fsck = new HBaseFsck(conf);
72      assertFalse(fsck.rebuildMeta(false));
73  
74      Multimap<byte[], HbckInfo> problems = fsck.getOverlapGroups(table);
75      assertEquals(1, problems.keySet().size());
76      assertEquals(3, problems.size());
77  
78      // bring up the minicluster
79      TEST_UTIL.startMiniZKCluster(); // tables seem enabled by default
80      TEST_UTIL.restartHBaseCluster(3);
81      
82      ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(TEST_UTIL);
83  
84      LOG.info("Waiting for no more RIT");
85      ZKAssign.blockUntilNoRIT(zkw);
86      LOG.info("No more RIT in ZK, now doing final test verification");
87      
88      // Meta still messed up.
89      assertEquals(0, scanMeta());
90      HTableDescriptor[] htbls = TEST_UTIL.getHBaseAdmin().listTables();
91      LOG.info("Tables present after restart: " + Arrays.toString(htbls));
92  
93      // After HBASE-451 HBaseAdmin.listTables() gets table descriptors from FS,
94      // so the table is still present and this should be 1.
95      assertEquals(1, htbls.length);
96      assertErrors(doFsck(conf, false),
97          new ERROR_CODE[] { ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
98              ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
99              ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
100             ERROR_CODE.NOT_IN_META_OR_DEPLOYED, });
101   }
102 
103   @org.junit.Rule
104   public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu =
105     new org.apache.hadoop.hbase.ResourceCheckerJUnitRule();
106 }
107