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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.testclassification.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(1, scanMeta());
58      assertErrors(doFsck(conf, false),
59          new ERROR_CODE[] {
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              ERROR_CODE.NOT_IN_META_OR_DEPLOYED});
64      // Note, would like to check # of tables, but this takes a while to time
65      // out.
66  
67      // shutdown the minicluster
68      TEST_UTIL.shutdownMiniHBaseCluster();
69      TEST_UTIL.shutdownMiniZKCluster();
70  
71      // attempt to rebuild meta table from scratch
72      HBaseFsck fsck = new HBaseFsck(conf);
73      assertFalse(fsck.rebuildMeta(false));
74  
75      Multimap<byte[], HbckInfo> problems = fsck.getOverlapGroups(table);
76      assertEquals(1, problems.keySet().size());
77      assertEquals(3, problems.size());
78  
79      // bring up the minicluster
80      TEST_UTIL.startMiniZKCluster(); // tables seem enabled by default
81      TEST_UTIL.restartHBaseCluster(3);
82  
83      ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(TEST_UTIL);
84  
85      LOG.info("Waiting for no more RIT");
86      ZKAssign.blockUntilNoRIT(zkw);
87      LOG.info("No more RIT in ZK, now doing final test verification");
88      int tries = 60;
89      while(TEST_UTIL.getHBaseCluster()
90          .getMaster().getAssignmentManager().getRegionStates().getRegionsInTransition().size() > 0 &&
91          tries-- > 0) {
92        LOG.info("Waiting for RIT: "+TEST_UTIL.getHBaseCluster()
93                .getMaster().getAssignmentManager().getRegionStates().getRegionsInTransition());
94        Thread.sleep(1000);
95      }
96  
97      // Meta still messed up.
98      assertEquals(1, scanMeta());
99      HTableDescriptor[] htbls = getTables(TEST_UTIL.getConfiguration());
100     LOG.info("Tables present after restart: " + Arrays.toString(htbls));
101 
102     // After HBASE-451 HBaseAdmin.listTables() gets table descriptors from FS,
103     // so the table is still present and this should be 1.
104     assertEquals(1, htbls.length);
105     assertErrors(doFsck(conf, false),
106         new ERROR_CODE[] {
107             ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
108             ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
109             ERROR_CODE.NOT_IN_META_OR_DEPLOYED,
110             ERROR_CODE.NOT_IN_META_OR_DEPLOYED});
111   }
112 }