org.apache.hadoop.hbase.backup.TestBackupShowHistory.java Source code

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hbase.backup;

import static org.junit.Assert.assertTrue;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.backup.util.BackupUtils;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.util.ToolRunner;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import com.google.common.collect.Lists;

@Category(LargeTests.class)
public class TestBackupShowHistory extends TestBackupBase {

    private static final Log LOG = LogFactory.getLog(TestBackupShowHistory.class);

    private boolean findBackup(List<BackupInfo> history, String backupId) {
        assertTrue(history.size() > 0);
        boolean success = false;
        for (BackupInfo info : history) {
            if (info.getBackupId().equals(backupId)) {
                success = true;
                break;
            }
        }
        return success;
    }

    /**
     * Verify that full backup is created on a single table with data correctly. Verify that history
     * works as expected
     * @throws Exception
     */
    @Test
    public void testBackupHistory() throws Exception {

        LOG.info("test backup history on a single table with data");

        List<TableName> tableList = Lists.newArrayList(table1);
        String backupId = fullTableBackup(tableList);
        assertTrue(checkSucceeded(backupId));
        LOG.info("backup complete");

        List<BackupInfo> history = getBackupAdmin().getHistory(10);
        assertTrue(findBackup(history, backupId));
        BackupInfo.Filter nullFilter = new BackupInfo.Filter() {
            @Override
            public boolean apply(BackupInfo info) {
                return true;
            }
        };
        history = BackupUtils.getHistory(conf1, 10, new Path(BACKUP_ROOT_DIR), nullFilter);
        assertTrue(findBackup(history, backupId));

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        System.setOut(new PrintStream(baos));

        String[] args = new String[] { "history", "-n", "10", "-p", BACKUP_ROOT_DIR };
        // Run backup
        int ret = ToolRunner.run(conf1, new BackupDriver(), args);
        assertTrue(ret == 0);
        LOG.info("show_history");
        String output = baos.toString();
        LOG.info(output);
        baos.close();
        assertTrue(output.indexOf(backupId) > 0);

        tableList = Lists.newArrayList(table2);
        String backupId2 = fullTableBackup(tableList);
        assertTrue(checkSucceeded(backupId2));
        LOG.info("backup complete: " + table2);
        BackupInfo.Filter tableNameFilter = new BackupInfo.Filter() {
            @Override
            public boolean apply(BackupInfo image) {
                if (table1 == null)
                    return true;
                List<TableName> names = image.getTableNames();
                return names.contains(table1);
            }
        };
        BackupInfo.Filter tableSetFilter = new BackupInfo.Filter() {
            @Override
            public boolean apply(BackupInfo info) {
                String backupId = info.getBackupId();
                return backupId.startsWith("backup");
            }
        };

        history = getBackupAdmin().getHistory(10, tableNameFilter, tableSetFilter);
        assertTrue(history.size() > 0);
        boolean success = true;
        for (BackupInfo info : history) {
            if (!info.getTableNames().contains(table1)) {
                success = false;
                break;
            }
        }
        assertTrue(success);

        history = BackupUtils.getHistory(conf1, 10, new Path(BACKUP_ROOT_DIR), tableNameFilter, tableSetFilter);
        assertTrue(history.size() > 0);
        success = true;
        for (BackupInfo info : history) {
            if (!info.getTableNames().contains(table1)) {
                success = false;
                break;
            }
        }
        assertTrue(success);

        args = new String[] { "history", "-n", "10", "-p", BACKUP_ROOT_DIR, "-t", "table1", "-s", "backup" };
        // Run backup
        ret = ToolRunner.run(conf1, new BackupDriver(), args);
        assertTrue(ret == 0);
        LOG.info("show_history");
    }

}