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.replication;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.fail;
022
023import java.io.IOException;
024import org.apache.hadoop.conf.Configuration;
025import org.apache.hadoop.fs.FileSystem;
026import org.apache.hadoop.fs.Path;
027import org.apache.hadoop.hbase.HBaseConfiguration;
028import org.apache.hadoop.hbase.HBaseTestingUtil;
029import org.apache.hadoop.hbase.HConstants;
030import org.apache.hadoop.hbase.TableName;
031import org.apache.hadoop.hbase.client.Admin;
032import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
033import org.apache.hadoop.hbase.client.Put;
034import org.apache.hadoop.hbase.client.Result;
035import org.apache.hadoop.hbase.client.ResultScanner;
036import org.apache.hadoop.hbase.client.Scan;
037import org.apache.hadoop.hbase.client.Table;
038import org.apache.hadoop.hbase.client.TableDescriptor;
039import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
040import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication;
041import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils;
042import org.apache.hadoop.hbase.testclassification.LargeTests;
043import org.apache.hadoop.hbase.testclassification.ReplicationTests;
044import org.apache.hadoop.hbase.util.Bytes;
045import org.apache.hadoop.hbase.util.CommonFSUtils;
046import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
047import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;
048import org.apache.hadoop.mapreduce.Job;
049import org.junit.jupiter.api.AfterAll;
050import org.junit.jupiter.api.Assertions;
051import org.junit.jupiter.api.BeforeAll;
052import org.junit.jupiter.api.Tag;
053import org.junit.jupiter.api.Test;
054import org.slf4j.Logger;
055import org.slf4j.LoggerFactory;
056
057import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;
058import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;
059
060@Tag(ReplicationTests.TAG)
061@Tag(LargeTests.TAG)
062public class TestVerifyReplicationCrossDiffHdfs {
063
064  private static final Logger LOG =
065    LoggerFactory.getLogger(TestVerifyReplicationCrossDiffHdfs.class);
066
067  private static HBaseTestingUtil util1;
068  private static HBaseTestingUtil util2;
069  private static HBaseTestingUtil mapReduceUtil = new HBaseTestingUtil();
070
071  private static Configuration conf1 = HBaseConfiguration.create();
072  private static Configuration conf2;
073
074  private static final byte[] FAMILY = Bytes.toBytes("f");
075  private static final byte[] QUALIFIER = Bytes.toBytes("q");
076  private static final String PEER_ID = "1";
077  private static final TableName TABLE_NAME = TableName.valueOf("testVerifyRepCrossDiffHDFS");
078
079  @BeforeAll
080  public static void setUpBeforeClass() throws Exception {
081    conf1.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/1");
082    util1 = new HBaseTestingUtil(conf1);
083    util1.startMiniZKCluster();
084    MiniZooKeeperCluster miniZK = util1.getZkCluster();
085    conf1 = util1.getConfiguration();
086
087    conf2 = HBaseConfiguration.create(conf1);
088    conf2.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/2");
089    util2 = new HBaseTestingUtil(conf2);
090    util2.setZkCluster(miniZK);
091
092    util1.startMiniCluster();
093    util2.startMiniCluster();
094
095    createTestingTable(util1.getAdmin());
096    createTestingTable(util2.getAdmin());
097    addTestingPeer();
098
099    LOG.info("Start to load some data to source cluster.");
100    loadSomeData();
101
102    LOG.info("Start mini MapReduce cluster.");
103    mapReduceUtil.setZkCluster(miniZK);
104    mapReduceUtil.startMiniMapReduceCluster();
105  }
106
107  private static void createTestingTable(Admin admin) throws IOException {
108    TableDescriptor table = TableDescriptorBuilder.newBuilder(TABLE_NAME)
109      .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(100)
110        .setScope(HConstants.REPLICATION_SCOPE_GLOBAL).build())
111      .build();
112    admin.createTable(table);
113  }
114
115  private static void addTestingPeer() throws IOException {
116    ReplicationPeerConfig rpc = ReplicationPeerConfig.newBuilder()
117      .setClusterKey(util2.getClusterKey()).setReplicateAllUserTables(false)
118      .setTableCFsMap(ImmutableMap.of(TABLE_NAME, ImmutableList.of())).build();
119    util1.getAdmin().addReplicationPeer(PEER_ID, rpc);
120  }
121
122  private static void loadSomeData() throws IOException, InterruptedException {
123    int numOfRows = 10;
124    try (Table table = util1.getConnection().getTable(TABLE_NAME)) {
125      for (int i = 0; i < numOfRows; i++) {
126        table.put(new Put(Bytes.toBytes(i)).addColumn(FAMILY, QUALIFIER, Bytes.toBytes(i)));
127      }
128    }
129    // Wait some time until the peer received those rows.
130    Result[] results = null;
131    try (Table table = util2.getConnection().getTable(TABLE_NAME)) {
132      for (int i = 0; i < 100; i++) {
133        try (ResultScanner rs = table.getScanner(new Scan())) {
134          results = rs.next(numOfRows);
135          if (results == null || results.length < numOfRows) {
136            LOG.info("Retrying, wait until the peer received all the rows, currentRows:"
137              + (results == null ? 0 : results.length));
138            Thread.sleep(100);
139          }
140        }
141      }
142    }
143    Assertions.assertNotNull(results);
144    Assertions.assertEquals(10, results.length);
145  }
146
147  @AfterAll
148  public static void tearDownClass() throws Exception {
149    if (mapReduceUtil != null) {
150      mapReduceUtil.shutdownMiniCluster();
151    }
152    if (util2 != null) {
153      util2.shutdownMiniCluster();
154    }
155    if (util1 != null) {
156      util1.shutdownMiniCluster();
157    }
158  }
159
160  @Test
161  public void testVerifyRepBySnapshot() throws Exception {
162    Path rootDir = CommonFSUtils.getRootDir(conf1);
163    FileSystem fs = rootDir.getFileSystem(conf1);
164    String sourceSnapshotName = "sourceSnapshot-" + EnvironmentEdgeManager.currentTime();
165    SnapshotTestingUtils.createSnapshotAndValidate(util1.getAdmin(), TABLE_NAME,
166      Bytes.toString(FAMILY), sourceSnapshotName, rootDir, fs, true);
167
168    // Take target snapshot
169    Path peerRootDir = CommonFSUtils.getRootDir(conf2);
170    FileSystem peerFs = peerRootDir.getFileSystem(conf2);
171    String peerSnapshotName = "peerSnapshot-" + EnvironmentEdgeManager.currentTime();
172    SnapshotTestingUtils.createSnapshotAndValidate(util2.getAdmin(), TABLE_NAME,
173      Bytes.toString(FAMILY), peerSnapshotName, peerRootDir, peerFs, true);
174
175    String peerFSAddress = peerFs.getUri().toString();
176    String temPath1 = new Path(fs.getUri().toString(), "/tmp1").toString();
177    String temPath2 = "/tmp2";
178
179    String[] args = new String[] { "--sourceSnapshotName=" + sourceSnapshotName,
180      "--sourceSnapshotTmpDir=" + temPath1, "--peerSnapshotName=" + peerSnapshotName,
181      "--peerSnapshotTmpDir=" + temPath2, "--peerFSAddress=" + peerFSAddress,
182      "--peerHBaseRootAddress=" + CommonFSUtils.getRootDir(conf2), PEER_ID, TABLE_NAME.toString() };
183
184    // Use the yarn's config override the source cluster's config.
185    Configuration newConf = HBaseConfiguration.create(conf1);
186    HBaseConfiguration.merge(newConf, mapReduceUtil.getConfiguration());
187    newConf.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/1");
188    CommonFSUtils.setRootDir(newConf, CommonFSUtils.getRootDir(conf1));
189    Job job = new VerifyReplication().createSubmittableJob(newConf, args);
190    if (job == null) {
191      fail("Job wasn't created, see the log");
192    }
193    if (!job.waitForCompletion(true)) {
194      fail("Job failed, see the log");
195    }
196    assertEquals(10,
197      job.getCounters().findCounter(VerifyReplication.Verifier.Counters.GOODROWS).getValue());
198    assertEquals(0,
199      job.getCounters().findCounter(VerifyReplication.Verifier.Counters.BADROWS).getValue());
200  }
201}