001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.util.hbck;
019
020import static org.junit.Assert.assertEquals;
021
022import java.io.IOException;
023import java.util.ArrayList;
024import java.util.Collections;
025import java.util.List;
026import java.util.concurrent.ExecutorService;
027import java.util.concurrent.ScheduledThreadPoolExecutor;
028import org.apache.hadoop.conf.Configuration;
029import org.apache.hadoop.hbase.TableName;
030import org.apache.hadoop.hbase.util.HBaseFsck;
031import org.apache.hadoop.hbase.util.HbckErrorReporter.ERROR_CODE;
032
033import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
034
035public class HbckTestingUtil {
036  private static ExecutorService exec = new ScheduledThreadPoolExecutor(10);
037
038  public static HBaseFsck doFsck(Configuration conf, boolean fix) throws Exception {
039    return doFsck(conf, fix, null);
040  }
041
042  public static HBaseFsck doFsck(Configuration conf, boolean fix, TableName table)
043    throws Exception {
044    return doFsck(conf, fix, fix, fix, fix, fix, fix, fix, fix, fix, fix, fix, fix, fix, table);
045  }
046
047  public static HBaseFsck doFsck(Configuration conf, boolean fixAssignments, boolean fixMeta,
048    boolean fixHdfsHoles, boolean fixHdfsOverlaps, boolean fixHdfsOrphans, boolean fixTableOrphans,
049    boolean fixVersionFile, boolean fixReferenceFiles, boolean fixHFileLinks,
050    boolean fixEmptyMetaRegionInfo, boolean fixTableLocks, boolean fixReplication,
051    boolean cleanReplicationBarrier, TableName table) throws Exception {
052    HBaseFsck fsck = new HBaseFsck(conf, exec);
053    try {
054      HBaseFsck.setDisplayFullReport(); // i.e. -details
055      fsck.setTimeLag(0);
056      fsck.setFixAssignments(fixAssignments);
057      fsck.setFixMeta(fixMeta);
058      fsck.setFixHdfsHoles(fixHdfsHoles);
059      fsck.setFixHdfsOverlaps(fixHdfsOverlaps);
060      fsck.setFixHdfsOrphans(fixHdfsOrphans);
061      fsck.setFixTableOrphans(fixTableOrphans);
062      fsck.setFixVersionFile(fixVersionFile);
063      fsck.setFixReferenceFiles(fixReferenceFiles);
064      fsck.setFixHFileLinks(fixHFileLinks);
065      fsck.setFixEmptyMetaCells(fixEmptyMetaRegionInfo);
066      fsck.setFixReplication(fixReplication);
067      fsck.setCleanReplicationBarrier(cleanReplicationBarrier);
068      if (table != null) {
069        fsck.includeTable(table);
070      }
071
072      // Parse command line flags before connecting, to grab the lock.
073      fsck.connect();
074      fsck.onlineHbck();
075    } finally {
076      fsck.close();
077    }
078    return fsck;
079  }
080
081  /**
082   * Runs hbck with the -sidelineCorruptHFiles option
083   * @param table table constraint n
084   */
085  public static HBaseFsck doHFileQuarantine(Configuration conf, TableName table) throws Exception {
086    String[] args =
087      { "-sidelineCorruptHFiles", "-ignorePreCheckPermission", table.getNameAsString() };
088    HBaseFsck hbck = new HBaseFsck(conf, exec);
089    hbck.exec(exec, args);
090    return hbck;
091  }
092
093  public static boolean cleanReplicationBarrier(Configuration conf, TableName table)
094    throws IOException, ClassNotFoundException {
095    HBaseFsck hbck = new HBaseFsck(conf, null);
096    hbck.setCleanReplicationBarrierTable(table.getNameAsString());
097    hbck.setCleanReplicationBarrier(true);
098    hbck.connect();
099    hbck.cleanReplicationBarrier();
100    return hbck.shouldRerun();
101  }
102
103  public static boolean inconsistencyFound(HBaseFsck fsck) throws Exception {
104    List<ERROR_CODE> errs = fsck.getErrors().getErrorList();
105    return (errs != null && !errs.isEmpty());
106  }
107
108  public static void assertNoErrors(HBaseFsck fsck) throws Exception {
109    List<ERROR_CODE> errs = fsck.getErrors().getErrorList();
110    assertEquals(new ArrayList<ERROR_CODE>(), errs);
111  }
112
113  public static void assertErrors(HBaseFsck fsck, ERROR_CODE[] expectedErrors) {
114    List<ERROR_CODE> errs = fsck.getErrors().getErrorList();
115    Collections.sort(errs);
116    List<ERROR_CODE> expErrs = Lists.newArrayList(expectedErrors);
117    Collections.sort(expErrs);
118    assertEquals(expErrs, errs);
119  }
120}