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.backup;
019
020import static org.junit.Assert.assertTrue;
021
022import java.io.IOException;
023import java.util.concurrent.CountDownLatch;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HBaseTestingUtility;
026import org.apache.hadoop.hbase.HConstants;
027import org.apache.hadoop.hbase.TableName;
028import org.apache.hadoop.hbase.backup.util.BackupUtils;
029import org.apache.hadoop.hbase.client.Admin;
030import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
031import org.apache.hadoop.hbase.client.Connection;
032import org.apache.hadoop.hbase.client.ConnectionFactory;
033import org.apache.hadoop.hbase.client.Put;
034import org.apache.hadoop.hbase.client.Table;
035import org.apache.hadoop.hbase.client.TableDescriptor;
036import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
037import org.apache.hadoop.hbase.snapshot.MobSnapshotTestingUtils;
038import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils;
039import org.apache.hadoop.hbase.testclassification.LargeTests;
040import org.apache.hadoop.hbase.util.Bytes;
041import org.junit.Assert;
042import org.junit.BeforeClass;
043import org.junit.ClassRule;
044import org.junit.Test;
045import org.junit.experimental.categories.Category;
046import org.slf4j.Logger;
047import org.slf4j.LoggerFactory;
048
049import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
050
051@Category(LargeTests.class)
052public class TestRemoteBackup extends TestBackupBase {
053
054  @ClassRule
055  public static final HBaseClassTestRule CLASS_RULE =
056    HBaseClassTestRule.forClass(TestRemoteBackup.class);
057
058  private static final Logger LOG = LoggerFactory.getLogger(TestRemoteBackup.class);
059
060  /**
061   * Setup Cluster with appropriate configurations before running tests.
062   * @throws Exception if starting the mini cluster or setting up the tables fails
063   */
064  @BeforeClass
065  public static void setUp() throws Exception {
066    TEST_UTIL = new HBaseTestingUtility();
067    conf1 = TEST_UTIL.getConfiguration();
068    conf1.setInt(HConstants.REGION_SERVER_HANDLER_COUNT, 10);
069    useSecondCluster = true;
070    setUpHelper();
071  }
072
073  /**
074   * Verify that a remote full backup is created on a single table with data correctly.
075   * @throws Exception if an operation on the table fails
076   */
077  @Test
078  public void testFullBackupRemote() throws Exception {
079    LOG.info("test remote full backup on a single table");
080    final CountDownLatch latch = new CountDownLatch(1);
081    final int NB_ROWS_IN_FAM3 = 6;
082    final byte[] fam3Name = Bytes.toBytes("f3");
083    final byte[] fam2Name = Bytes.toBytes("f2");
084    final Connection conn = ConnectionFactory.createConnection(conf1);
085    Thread t = new Thread(() -> {
086      try {
087        latch.await();
088      } catch (InterruptedException ie) {
089      }
090      try {
091        Table t1 = conn.getTable(table1);
092        Put p1;
093        for (int i = 0; i < NB_ROWS_IN_FAM3; i++) {
094          p1 = new Put(Bytes.toBytes("row-t1" + i));
095          p1.addColumn(fam3Name, qualName, Bytes.toBytes("val" + i));
096          t1.put(p1);
097        }
098        LOG.debug("Wrote " + NB_ROWS_IN_FAM3 + " rows into family3");
099        t1.close();
100      } catch (IOException ioe) {
101        throw new RuntimeException(ioe);
102      }
103    });
104    t.start();
105    // family 2 is MOB enabled
106    TableDescriptor newTable1Desc = TableDescriptorBuilder.newBuilder(table1Desc)
107      .setColumnFamily(ColumnFamilyDescriptorBuilder.of(fam3Name))
108      .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(fam2Name).setMobEnabled(true)
109        .setMobThreshold(0L).build())
110      .build();
111    TEST_UTIL.getAdmin().modifyTable(newTable1Desc);
112
113    SnapshotTestingUtils.loadData(TEST_UTIL, table1, 50, fam2Name);
114    Table t1 = conn.getTable(table1);
115    int rows0 = MobSnapshotTestingUtils.countMobRows(t1, fam2Name);
116
117    latch.countDown();
118    String backupId =
119      backupTables(BackupType.FULL, Lists.newArrayList(table1), BACKUP_REMOTE_ROOT_DIR);
120    assertTrue(checkSucceeded(backupId));
121
122    LOG.info("backup complete " + backupId);
123    Assert.assertEquals(TEST_UTIL.countRows(t1, famName), NB_ROWS_IN_BATCH);
124
125    t.join();
126    Assert.assertEquals(TEST_UTIL.countRows(t1, fam3Name), NB_ROWS_IN_FAM3);
127    t1.close();
128
129    TableName[] tablesRestoreFull = new TableName[] { table1 };
130
131    TableName[] tablesMapFull = new TableName[] { table1_restore };
132
133    BackupAdmin client = getBackupAdmin();
134    client.restore(BackupUtils.createRestoreRequest(BACKUP_REMOTE_ROOT_DIR, backupId, false,
135      tablesRestoreFull, tablesMapFull, false));
136
137    // check tables for full restore
138    Admin hAdmin = TEST_UTIL.getAdmin();
139    assertTrue(hAdmin.tableExists(table1_restore));
140
141    // #5.2 - checking row count of tables for full restore
142    Table hTable = conn.getTable(table1_restore);
143    Assert.assertEquals(TEST_UTIL.countRows(hTable, famName), NB_ROWS_IN_BATCH);
144    int cnt3 = TEST_UTIL.countRows(hTable, fam3Name);
145    Assert.assertTrue(cnt3 >= 0 && cnt3 <= NB_ROWS_IN_FAM3);
146
147    int rows1 = MobSnapshotTestingUtils.countMobRows(t1, fam2Name);
148    Assert.assertEquals(rows0, rows1);
149    hTable.close();
150
151    hAdmin.close();
152  }
153}