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.mapreduce;
019
020import static org.junit.Assert.assertEquals;
021import static org.junit.Assert.assertTrue;
022
023import java.io.IOException;
024import java.util.ArrayList;
025import java.util.Arrays;
026import java.util.List;
027import java.util.Optional;
028import org.apache.hadoop.conf.Configurable;
029import org.apache.hadoop.conf.Configuration;
030import org.apache.hadoop.fs.FSDataOutputStream;
031import org.apache.hadoop.fs.FileSystem;
032import org.apache.hadoop.fs.Path;
033import org.apache.hadoop.hbase.Cell;
034import org.apache.hadoop.hbase.CellUtil;
035import org.apache.hadoop.hbase.HBaseClassTestRule;
036import org.apache.hadoop.hbase.HBaseTestingUtil;
037import org.apache.hadoop.hbase.HConstants;
038import org.apache.hadoop.hbase.TableName;
039import org.apache.hadoop.hbase.client.Connection;
040import org.apache.hadoop.hbase.client.ConnectionFactory;
041import org.apache.hadoop.hbase.client.Durability;
042import org.apache.hadoop.hbase.client.Put;
043import org.apache.hadoop.hbase.client.Result;
044import org.apache.hadoop.hbase.client.ResultScanner;
045import org.apache.hadoop.hbase.client.Scan;
046import org.apache.hadoop.hbase.client.Table;
047import org.apache.hadoop.hbase.coprocessor.ObserverContext;
048import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;
049import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
050import org.apache.hadoop.hbase.coprocessor.RegionObserver;
051import org.apache.hadoop.hbase.regionserver.Region;
052import org.apache.hadoop.hbase.testclassification.LargeTests;
053import org.apache.hadoop.hbase.testclassification.MapReduceTests;
054import org.apache.hadoop.hbase.util.Bytes;
055import org.apache.hadoop.hbase.wal.WALEdit;
056import org.apache.hadoop.util.Tool;
057import org.apache.hadoop.util.ToolRunner;
058import org.junit.AfterClass;
059import org.junit.BeforeClass;
060import org.junit.ClassRule;
061import org.junit.Rule;
062import org.junit.Test;
063import org.junit.experimental.categories.Category;
064import org.junit.rules.TestName;
065import org.slf4j.Logger;
066import org.slf4j.LoggerFactory;
067
068@Category({ MapReduceTests.class, LargeTests.class })
069public class TestImportTSVWithOperationAttributes implements Configurable {
070
071  @ClassRule
072  public static final HBaseClassTestRule CLASS_RULE =
073    HBaseClassTestRule.forClass(TestImportTSVWithOperationAttributes.class);
074
075  private static final Logger LOG =
076    LoggerFactory.getLogger(TestImportTSVWithOperationAttributes.class);
077  protected static final String NAME = TestImportTsv.class.getSimpleName();
078  protected static HBaseTestingUtil util = new HBaseTestingUtil();
079
080  /**
081   * Delete the tmp directory after running doMROnTableTest. Boolean. Default is false.
082   */
083  protected static final String DELETE_AFTER_LOAD_CONF = NAME + ".deleteAfterLoad";
084
085  /**
086   * Force use of combiner in doMROnTableTest. Boolean. Default is true.
087   */
088  protected static final String FORCE_COMBINER_CONF = NAME + ".forceCombiner";
089
090  private static Configuration conf;
091
092  private static final String TEST_ATR_KEY = "test";
093
094  private final String FAMILY = "FAM";
095
096  @Rule
097  public TestName name = new TestName();
098
099  @Override
100  public Configuration getConf() {
101    return util.getConfiguration();
102  }
103
104  @Override
105  public void setConf(Configuration conf) {
106    throw new IllegalArgumentException("setConf not supported");
107  }
108
109  @BeforeClass
110  public static void provisionCluster() throws Exception {
111    conf = util.getConfiguration();
112    conf.set("hbase.coprocessor.master.classes", OperationAttributesTestController.class.getName());
113    conf.set("hbase.coprocessor.region.classes", OperationAttributesTestController.class.getName());
114    util.startMiniCluster();
115  }
116
117  @AfterClass
118  public static void releaseCluster() throws Exception {
119    util.shutdownMiniCluster();
120  }
121
122  @Test
123  public void testMROnTable() throws Exception {
124    final TableName tableName = TableName.valueOf(name.getMethodName() + util.getRandomUUID());
125
126    // Prepare the arguments required for the test.
127    String[] args = new String[] {
128      "-D" + ImportTsv.MAPPER_CONF_KEY
129        + "=org.apache.hadoop.hbase.mapreduce.TsvImporterCustomTestMapperForOprAttr",
130      "-D" + ImportTsv.COLUMNS_CONF_KEY + "=HBASE_ROW_KEY,FAM:A,FAM:B,HBASE_ATTRIBUTES_KEY",
131      "-D" + ImportTsv.SEPARATOR_CONF_KEY + "=\u001b", tableName.getNameAsString() };
132    String data = "KEY\u001bVALUE1\u001bVALUE2\u001btest=>myvalue\n";
133    util.createTable(tableName, FAMILY);
134    doMROnTableTest(util, FAMILY, data, args, 1, true);
135    util.deleteTable(tableName);
136  }
137
138  @Test
139  public void testMROnTableWithInvalidOperationAttr() throws Exception {
140    final TableName tableName = TableName.valueOf(name.getMethodName() + util.getRandomUUID());
141
142    // Prepare the arguments required for the test.
143    String[] args = new String[] {
144      "-D" + ImportTsv.MAPPER_CONF_KEY
145        + "=org.apache.hadoop.hbase.mapreduce.TsvImporterCustomTestMapperForOprAttr",
146      "-D" + ImportTsv.COLUMNS_CONF_KEY + "=HBASE_ROW_KEY,FAM:A,FAM:B,HBASE_ATTRIBUTES_KEY",
147      "-D" + ImportTsv.SEPARATOR_CONF_KEY + "=\u001b", tableName.getNameAsString() };
148    String data = "KEY\u001bVALUE1\u001bVALUE2\u001btest1=>myvalue\n";
149    util.createTable(tableName, FAMILY);
150    doMROnTableTest(util, FAMILY, data, args, 1, false);
151    util.deleteTable(tableName);
152  }
153
154  /**
155   * Run an ImportTsv job and perform basic validation on the results. Returns the ImportTsv
156   * <code>Tool</code> instance so that other tests can inspect it for further validation as
157   * necessary. This method is static to insure non-reliance on instance's util/conf facilities. Any
158   * arguments to pass BEFORE inputFile path is appended.
159   * @return The Tool instance used to run the test.
160   */
161  private Tool doMROnTableTest(HBaseTestingUtil util, String family, String data, String[] args,
162    int valueMultiplier, boolean dataAvailable) throws Exception {
163    String table = args[args.length - 1];
164    Configuration conf = new Configuration(util.getConfiguration());
165
166    // populate input file
167    FileSystem fs = FileSystem.get(conf);
168    Path inputPath = fs.makeQualified(new Path(util.getDataTestDirOnTestFS(table), "input.dat"));
169    FSDataOutputStream op = fs.create(inputPath, true);
170    op.write(Bytes.toBytes(data));
171    op.close();
172    LOG.debug(String.format("Wrote test data to file: %s", inputPath));
173
174    if (conf.getBoolean(FORCE_COMBINER_CONF, true)) {
175      LOG.debug("Forcing combiner.");
176      conf.setInt("mapreduce.map.combine.minspills", 1);
177    }
178
179    // run the import
180    List<String> argv = new ArrayList<>(Arrays.asList(args));
181    argv.add(inputPath.toString());
182    Tool tool = new ImportTsv();
183    LOG.debug("Running ImportTsv with arguments: " + argv);
184    assertEquals(0, ToolRunner.run(conf, tool, argv.toArray(args)));
185
186    validateTable(conf, TableName.valueOf(table), family, valueMultiplier, dataAvailable);
187
188    if (conf.getBoolean(DELETE_AFTER_LOAD_CONF, true)) {
189      LOG.debug("Deleting test subdirectory");
190      util.cleanupDataTestDirOnTestFS(table);
191    }
192    return tool;
193  }
194
195  /**
196   * Confirm ImportTsv via data in online table.
197   */
198  private static void validateTable(Configuration conf, TableName tableName, String family,
199    int valueMultiplier, boolean dataAvailable) throws IOException {
200
201    LOG.debug("Validating table.");
202    Connection connection = ConnectionFactory.createConnection(conf);
203    Table table = connection.getTable(tableName);
204    boolean verified = false;
205    long pause = conf.getLong("hbase.client.pause", 5 * 1000);
206    int numRetries = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 5);
207    for (int i = 0; i < numRetries; i++) {
208      try {
209        Scan scan = new Scan();
210        // Scan entire family.
211        scan.addFamily(Bytes.toBytes(family));
212        if (dataAvailable) {
213          ResultScanner resScanner = table.getScanner(scan);
214          for (Result res : resScanner) {
215            LOG.debug("Getting results " + res.size());
216            assertTrue(res.size() == 2);
217            List<Cell> kvs = res.listCells();
218            assertTrue(CellUtil.matchingRows(kvs.get(0), Bytes.toBytes("KEY")));
219            assertTrue(CellUtil.matchingRows(kvs.get(1), Bytes.toBytes("KEY")));
220            assertTrue(
221              CellUtil.matchingValue(kvs.get(0), Bytes.toBytes("VALUE" + valueMultiplier)));
222            assertTrue(
223              CellUtil.matchingValue(kvs.get(1), Bytes.toBytes("VALUE" + 2 * valueMultiplier)));
224            // Only one result set is expected, so let it loop.
225            verified = true;
226          }
227        } else {
228          ResultScanner resScanner = table.getScanner(scan);
229          Result[] next = resScanner.next(2);
230          assertEquals(0, next.length);
231          verified = true;
232        }
233
234        break;
235      } catch (NullPointerException e) {
236        // If here, a cell was empty. Presume its because updates came in
237        // after the scanner had been opened. Wait a while and retry.
238      }
239      try {
240        Thread.sleep(pause);
241      } catch (InterruptedException e) {
242        // continue
243      }
244    }
245    table.close();
246    connection.close();
247    assertTrue(verified);
248  }
249
250  public static class OperationAttributesTestController
251    implements RegionCoprocessor, RegionObserver {
252
253    @Override
254    public Optional<RegionObserver> getRegionObserver() {
255      return Optional.of(this);
256    }
257
258    @Override
259    public void prePut(ObserverContext<? extends RegionCoprocessorEnvironment> e, Put put,
260      WALEdit edit, Durability durability) throws IOException {
261      Region region = e.getEnvironment().getRegion();
262      if (
263        !region.getRegionInfo().isMetaRegion() && !region.getRegionInfo().getTable().isSystemTable()
264      ) {
265        if (put.getAttribute(TEST_ATR_KEY) != null) {
266          LOG.debug("allow any put to happen " + region.getRegionInfo().getRegionNameAsString());
267        } else {
268          e.bypass();
269        }
270      }
271    }
272  }
273}