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.regionserver.storefiletracker;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021
022import java.io.ByteArrayOutputStream;
023import java.io.IOException;
024import java.io.PrintStream;
025import java.util.List;
026import org.apache.hadoop.conf.Configuration;
027import org.apache.hadoop.fs.FileSystem;
028import org.apache.hadoop.fs.LocatedFileStatus;
029import org.apache.hadoop.fs.Path;
030import org.apache.hadoop.fs.RemoteIterator;
031import org.apache.hadoop.hbase.HBaseTestingUtil;
032import org.apache.hadoop.hbase.TableName;
033import org.apache.hadoop.hbase.TableNameTestExtension;
034import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
035import org.apache.hadoop.hbase.client.Put;
036import org.apache.hadoop.hbase.client.Table;
037import org.apache.hadoop.hbase.client.TableDescriptor;
038import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
039import org.apache.hadoop.hbase.regionserver.HRegion;
040import org.apache.hadoop.hbase.testclassification.MediumTests;
041import org.apache.hadoop.hbase.testclassification.RegionServerTests;
042import org.apache.hadoop.hbase.util.Bytes;
043import org.junit.jupiter.api.AfterAll;
044import org.junit.jupiter.api.BeforeAll;
045import org.junit.jupiter.api.Tag;
046import org.junit.jupiter.api.Test;
047import org.junit.jupiter.api.extension.RegisterExtension;
048
049import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;
050
051@Tag(RegionServerTests.TAG)
052@Tag(MediumTests.TAG)
053public class TestStoreFileListFilePrinter {
054
055  private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();
056
057  @RegisterExtension
058  public final TableNameTestExtension tableName = new TableNameTestExtension();
059  public static byte[] family = Bytes.toBytes("F");;
060
061  @BeforeAll
062  public static void setUp() throws Exception {
063    UTIL.startMiniCluster(1);
064  }
065
066  @AfterAll
067  public static void tearDown() throws Exception {
068    UTIL.shutdownMiniCluster();
069  }
070
071  @Test
072  public void testPrintWithDirectPath() throws IOException {
073    createTable();
074    TableName tn = tableName.getTableName();
075    String fileName = getStoreFileName(tn, family);
076
077    String cf = new String(family);
078
079    Configuration conf = UTIL.getConfiguration();
080    ByteArrayOutputStream stream = new ByteArrayOutputStream();
081    PrintStream ps = new PrintStream(stream);
082    System.setOut(ps);
083    StoreFileListFilePrettyPrinter sftPrinter = new StoreFileListFilePrettyPrinter(conf);
084
085    FileSystem fs = Iterables.getOnlyElement(UTIL.getMiniHBaseCluster().getRegions(tn))
086      .getRegionFileSystem().getFileSystem();
087    Path regionPath = Iterables.getOnlyElement(UTIL.getMiniHBaseCluster().getRegions(tn))
088      .getRegionFileSystem().getRegionDir();
089    Path cfPath = new Path(regionPath, cf);
090    Path path = new Path(cfPath, StoreFileListFile.TRACK_FILE_DIR);
091    RemoteIterator<LocatedFileStatus> iterator = fs.listFiles(path, false);
092    while (iterator.hasNext()) {
093      LocatedFileStatus lfs = iterator.next();
094      if (lfs.getPath().getName().contains("f2") || lfs.getPath().getName().contains("f1")) {
095        String[] argsF = { "-f", lfs.getPath().toString() };
096        sftPrinter.run(argsF);
097        String result = new String(stream.toByteArray());
098        String expect = fileName + "\n";
099        assertEquals(expect, result);
100      }
101    }
102  }
103
104  @Test
105  public void testPrintWithRegionOption() throws IOException {
106    createTable();
107    String cf = new String(family);
108    TableName tn = tableName.getTableName();
109    String fileName = getStoreFileName(tn, family);
110
111    List<HRegion> regions = UTIL.getMiniHBaseCluster().getRegions(tableName.getTableName());
112    String rn = regions.get(0).getRegionInfo().getEncodedName();
113    String table = tableName.getTableName().toString();
114
115    Configuration conf = UTIL.getConfiguration();
116    ByteArrayOutputStream stream = new ByteArrayOutputStream();
117    PrintStream ps = new PrintStream(stream);
118    System.setOut(ps);
119    StoreFileListFilePrettyPrinter sftPrinter = new StoreFileListFilePrettyPrinter(conf);
120    String[] args = { "-r", rn, "-t", table, "-cf", cf };
121    sftPrinter.run(args);
122    String result = new String(stream.toByteArray());
123
124    FileSystem fs = Iterables.getOnlyElement(UTIL.getMiniHBaseCluster().getRegions(tn))
125      .getRegionFileSystem().getFileSystem();
126    Path regionPath = Iterables.getOnlyElement(UTIL.getMiniHBaseCluster().getRegions(tn))
127      .getRegionFileSystem().getRegionDir();
128    Path cfPath = new Path(regionPath, cf);
129    Path path = new Path(cfPath, StoreFileListFile.TRACK_FILE_DIR);
130    RemoteIterator<LocatedFileStatus> iterator = fs.listFiles(path, false);
131    String expect = "";
132    while (iterator.hasNext()) {
133      LocatedFileStatus lfs = iterator.next();
134      if (lfs.getPath().getName().contains("f2") || lfs.getPath().getName().contains("f1")) {
135        expect = expect + "Printing contents for file " + lfs.getPath() + "\n" + fileName + "\n";
136      }
137    }
138    assertEquals(expect, result);
139  }
140
141  private String getStoreFileName(TableName table, byte[] family) {
142    return Iterables
143      .getOnlyElement(Iterables.getOnlyElement(UTIL.getMiniHBaseCluster().getRegions(table))
144        .getStore(family).getStorefiles())
145      .getPath().getName();
146  }
147
148  private void createTable() throws IOException {
149    TableName tn = tableName.getTableName();
150    byte[] row = Bytes.toBytes("row");
151    byte[] qualifier = Bytes.toBytes("qualifier");
152    byte[] value = Bytes.toBytes("value");
153    TableDescriptor td = TableDescriptorBuilder.newBuilder(tn)
154      .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family))
155      .setValue(StoreFileTrackerFactory.TRACKER_IMPL, StoreFileTrackerFactory.Trackers.FILE.name())
156      .build();
157    UTIL.getAdmin().createTable(td);
158    try (Table table = UTIL.getConnection().getTable(tn)) {
159      table.put(new Put(row).addColumn(family, qualifier, value));
160    }
161    UTIL.flush(tn);
162  }
163}