hbase-backup/src/test/java/org/apache/hadoop/hbase/backup/TestRepairAfterFailedDelete.java

   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.backup;
  19
  20 import static org.junit.Assert.assertTrue;
  21
  22 import java.util.List;
  23 import org.apache.hadoop.fs.FileSystem;
  24 import org.apache.hadoop.fs.Path;
  25 import org.apache.hadoop.hbase.HBaseClassTestRule;
  26 import org.apache.hadoop.hbase.TableName;
  27 import org.apache.hadoop.hbase.backup.impl.BackupSystemTable;
  28 import org.apache.hadoop.hbase.client.Admin;
  29 import org.apache.hadoop.hbase.client.Connection;
  30 import org.apache.hadoop.hbase.testclassification.LargeTests;
  31 import org.apache.hadoop.util.ToolRunner;
  32 import org.junit.ClassRule;
  33 import org.junit.Test;
  34 import org.junit.experimental.categories.Category;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
  39
  40 @Category(LargeTests.class)
  41 public class TestRepairAfterFailedDelete extends TestBackupBase {
  42
  43   @ClassRule
  44   public static final HBaseClassTestRule CLASS_RULE =
  45       HBaseClassTestRule.forClass(TestRepairAfterFailedDelete.class);
  46
  47   private static final Logger LOG = LoggerFactory.getLogger(TestRepairAfterFailedDelete.class);
  48
  49   @Test
  50   public void testRepairBackupDelete() throws Exception {
  51     LOG.info("test repair backup delete on a single table with data");
  52     List<TableName> tableList = Lists.newArrayList(table1);
  53     String backupId = fullTableBackup(tableList);
  54     assertTrue(checkSucceeded(backupId));
  55     LOG.info("backup complete");
  56     String[] backupIds = new String[] { backupId };
  57     BackupSystemTable table = new BackupSystemTable(TEST_UTIL.getConnection());
  58     BackupInfo info = table.readBackupInfo(backupId);
  59     Path path = new Path(info.getBackupRootDir(), backupId);
  60     FileSystem fs = FileSystem.get(path.toUri(), conf1);
  61     assertTrue(fs.exists(path));
  62
  63     // Snapshot backup system table before delete
  64     String snapshotName = "snapshot-backup";
  65     Connection conn = TEST_UTIL.getConnection();
  66     Admin admin = conn.getAdmin();
  67     admin.snapshot(snapshotName, BackupSystemTable.getTableName(conf1));
  68
  69     int deleted = getBackupAdmin().deleteBackups(backupIds);
  70
  71     assertTrue(!fs.exists(path));
  72     assertTrue(fs.exists(new Path(info.getBackupRootDir())));
  73     assertTrue(1 == deleted);
  74
  75     // Emulate delete failure
  76     // Restore backup system table
  77     admin.disableTable(BackupSystemTable.getTableName(conf1));
  78     admin.restoreSnapshot(snapshotName);
  79     admin.enableTable(BackupSystemTable.getTableName(conf1));
  80     // Start backup session
  81     table.startBackupExclusiveOperation();
  82     // Start delete operation
  83     table.startDeleteOperation(backupIds);
  84
  85     // Now run repair command to repair "failed" delete operation
  86     String[] args = new String[] {"repair"};
  87     // Run restore
  88     int ret = ToolRunner.run(conf1, new BackupDriver(), args);
  89     assertTrue(ret == 0);
  90     // Verify that history length == 0
  91     assertTrue(table.getBackupHistory().size() == 0);
  92     table.close();
  93     admin.close();
  94   }
  95 }