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.snapshot;
019
020import java.io.IOException;
021import java.util.Collection;
022import java.util.HashMap;
023import java.util.Iterator;
024import java.util.List;
025import java.util.Map;
026import org.apache.hadoop.conf.Configuration;
027import org.apache.hadoop.fs.FileStatus;
028import org.apache.hadoop.fs.FileSystem;
029import org.apache.hadoop.fs.Path;
030import org.apache.hadoop.hbase.HBaseClassTestRule;
031import org.apache.hadoop.hbase.HBaseTestingUtility;
032import org.apache.hadoop.hbase.TableName;
033import org.apache.hadoop.hbase.client.Admin;
034import org.apache.hadoop.hbase.client.RegionInfo;
035import org.apache.hadoop.hbase.client.Table;
036import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;
037import org.apache.hadoop.hbase.regionserver.HRegionFileSystem;
038import org.apache.hadoop.hbase.regionserver.StoreFileInfo;
039import org.apache.hadoop.hbase.testclassification.MasterTests;
040import org.apache.hadoop.hbase.testclassification.MediumTests;
041import org.apache.hadoop.hbase.util.CommonFSUtils;
042import org.junit.AfterClass;
043import org.junit.Assert;
044import org.junit.BeforeClass;
045import org.junit.ClassRule;
046import org.junit.Test;
047import org.junit.experimental.categories.Category;
048
049import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;
050import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotRegionManifest;
051
052/**
053 * Validate if storefile length match both snapshop manifest and filesystem.
054 */
055@Category({ MasterTests.class, MediumTests.class })
056public class TestSnapshotStoreFileSize {
057
058  @ClassRule
059  public static final HBaseClassTestRule CLASS_RULE =
060    HBaseClassTestRule.forClass(TestSnapshotStoreFileSize.class);
061
062  private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
063  private static final TableName TABLE_NAME = TableName.valueOf("t1");
064  private static final String SNAPSHOT_NAME = "s1";
065  private static final String FAMILY_NAME = "cf";
066  private static Configuration conf;
067  private Admin admin;
068  private FileSystem fs;
069
070  @BeforeClass
071  public static void setup() throws Exception {
072    conf = UTIL.getConfiguration();
073    conf.setBoolean(SnapshotManager.HBASE_SNAPSHOT_ENABLED, true);
074    UTIL.startMiniCluster(1);
075  }
076
077  @AfterClass
078  public static void teardown() throws Exception {
079    UTIL.shutdownMiniCluster();
080  }
081
082  @Test
083  public void testIsStoreFileSizeMatchFilesystemAndManifest() throws IOException {
084    admin = UTIL.getAdmin();
085    fs = UTIL.getTestFileSystem();
086    UTIL.createTable(TABLE_NAME, FAMILY_NAME.getBytes());
087    Table table = admin.getConnection().getTable(TABLE_NAME);
088    UTIL.loadRandomRows(table, FAMILY_NAME.getBytes(), 3, 1000);
089    admin.snapshot(SNAPSHOT_NAME, TABLE_NAME);
090
091    Map<String, Long> storeFileInfoFromManifest = new HashMap<String, Long>();
092    Map<String, Long> storeFileInfoFromFS = new HashMap<String, Long>();
093    String storeFileName = "";
094    long storeFilesize = 0L;
095    Path snapshotDir =
096      SnapshotDescriptionUtils.getCompletedSnapshotDir(SNAPSHOT_NAME, UTIL.getDefaultRootDirPath());
097    SnapshotDescription snapshotDesc = SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);
098    SnapshotManifest snaphotManifest = SnapshotManifest.open(conf, fs, snapshotDir, snapshotDesc);
099    List<SnapshotRegionManifest> regionManifest = snaphotManifest.getRegionManifests();
100    for (int i = 0; i < regionManifest.size(); i++) {
101      SnapshotRegionManifest.FamilyFiles family = regionManifest.get(i).getFamilyFiles(0);
102      List<SnapshotRegionManifest.StoreFile> storeFiles = family.getStoreFilesList();
103      for (int j = 0; j < storeFiles.size(); j++) {
104        storeFileName = storeFiles.get(j).getName();
105        storeFilesize = storeFiles.get(j).getFileSize();
106        storeFileInfoFromManifest.put(storeFileName, storeFilesize);
107      }
108    }
109    List<RegionInfo> regionsInfo = admin.getRegions(TABLE_NAME);
110    Path path = CommonFSUtils.getTableDir(UTIL.getDefaultRootDirPath(), TABLE_NAME);
111    for (RegionInfo regionInfo : regionsInfo) {
112      HRegionFileSystem hRegionFileSystem =
113        HRegionFileSystem.openRegionFromFileSystem(conf, fs, path, regionInfo, true);
114      Collection<StoreFileInfo> storeFilesFS = hRegionFileSystem.getStoreFiles(FAMILY_NAME);
115      Iterator<StoreFileInfo> sfIterator = storeFilesFS.iterator();
116      while (sfIterator.hasNext()) {
117        StoreFileInfo sfi = sfIterator.next();
118        FileStatus[] fileStatus = CommonFSUtils.listStatus(fs, sfi.getPath());
119        storeFileName = fileStatus[0].getPath().getName();
120        storeFilesize = fileStatus[0].getLen();
121        storeFileInfoFromFS.put(storeFileName, storeFilesize);
122      }
123    }
124    Assert.assertEquals(storeFileInfoFromManifest, storeFileInfoFromFS);
125  }
126}