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18 package org.apache.hadoop.hbase.mapreduce;
19
20 import static java.lang.String.format;
21 import static org.junit.Assert.assertEquals;
22 import static org.junit.Assert.assertFalse;
23 import static org.junit.Assert.assertTrue;
24
25 import java.io.IOException;
26 import java.util.Arrays;
27 import java.util.Iterator;
28 import java.util.Set;
29 import java.util.TreeSet;
30 import java.util.UUID;
31
32 import org.apache.commons.logging.Log;
33 import org.apache.commons.logging.LogFactory;
34 import org.apache.hadoop.conf.Configurable;
35 import org.apache.hadoop.conf.Configuration;
36 import org.apache.hadoop.fs.FSDataOutputStream;
37 import org.apache.hadoop.fs.FileSystem;
38 import org.apache.hadoop.fs.Path;
39 import org.apache.hadoop.hbase.Cell;
40 import org.apache.hadoop.hbase.HBaseCommonTestingUtility;
41 import org.apache.hadoop.hbase.HBaseConfiguration;
42 import org.apache.hadoop.hbase.HBaseTestingUtility;
43 import org.apache.hadoop.hbase.IntegrationTestingUtility;
44 import org.apache.hadoop.hbase.IntegrationTests;
45 import org.apache.hadoop.hbase.KeyValue;
46 import org.apache.hadoop.hbase.KeyValue.Type;
47 import org.apache.hadoop.hbase.client.HTable;
48 import org.apache.hadoop.hbase.client.Result;
49 import org.apache.hadoop.hbase.client.Scan;
50 import org.apache.hadoop.hbase.util.Bytes;
51 import org.apache.hadoop.io.LongWritable;
52 import org.apache.hadoop.io.Text;
53 import org.apache.hadoop.mapreduce.Job;
54 import org.apache.hadoop.mapreduce.JobContext;
55 import org.apache.hadoop.mapreduce.OutputCommitter;
56 import org.apache.hadoop.mapreduce.OutputFormat;
57 import org.apache.hadoop.mapreduce.RecordWriter;
58 import org.apache.hadoop.mapreduce.TaskAttemptContext;
59 import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
60 import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter;
61 import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
62 import org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner;
63 import org.apache.hadoop.util.GenericOptionsParser;
64 import org.apache.hadoop.util.Tool;
65 import org.apache.hadoop.util.ToolRunner;
66 import org.junit.AfterClass;
67 import org.junit.BeforeClass;
68 import org.junit.Test;
69 import org.junit.experimental.categories.Category;
70
71
72
73
74 @Category(IntegrationTests.class)
75 public class IntegrationTestImportTsv implements Configurable, Tool {
76
77 private static final String NAME = IntegrationTestImportTsv.class.getSimpleName();
78 protected static final Log LOG = LogFactory.getLog(IntegrationTestImportTsv.class);
79
80 protected static final String simple_tsv =
81 "row1\t1\tc1\tc2\n" +
82 "row2\t1\tc1\tc2\n" +
83 "row3\t1\tc1\tc2\n" +
84 "row4\t1\tc1\tc2\n" +
85 "row5\t1\tc1\tc2\n" +
86 "row6\t1\tc1\tc2\n" +
87 "row7\t1\tc1\tc2\n" +
88 "row8\t1\tc1\tc2\n" +
89 "row9\t1\tc1\tc2\n" +
90 "row10\t1\tc1\tc2\n";
91
92 protected static final Set<KeyValue> simple_expected =
93 new TreeSet<KeyValue>(KeyValue.COMPARATOR) {
94 private static final long serialVersionUID = 1L;
95 {
96 byte[] family = Bytes.toBytes("d");
97 for (String line : simple_tsv.split("\n")) {
98 String[] row = line.split("\t");
99 byte[] key = Bytes.toBytes(row[0]);
100 long ts = Long.parseLong(row[1]);
101 byte[][] fields = { Bytes.toBytes(row[2]), Bytes.toBytes(row[3]) };
102 add(new KeyValue(key, family, fields[0], ts, Type.Put, fields[0]));
103 add(new KeyValue(key, family, fields[1], ts, Type.Put, fields[1]));
104 }
105 }
106 };
107
108
109
110 protected static IntegrationTestingUtility util = null;
111
112 public Configuration getConf() {
113 return util.getConfiguration();
114 }
115
116 public void setConf(Configuration conf) {
117 throw new IllegalArgumentException("setConf not supported");
118 }
119
120 @BeforeClass
121 public static void provisionCluster() throws Exception {
122 if (null == util) {
123 util = new IntegrationTestingUtility();
124 }
125 util.initializeCluster(1);
126 }
127
128 @AfterClass
129 public static void releaseCluster() throws Exception {
130 util.restoreCluster();
131 util = null;
132 }
133
134
135
136
137
138 protected void doLoadIncrementalHFiles(Path hfiles, String tableName)
139 throws Exception {
140
141 String[] args = { hfiles.toString(), tableName };
142 LOG.info(format("Running LoadIncrememntalHFiles with args: %s", Arrays.asList(args)));
143 assertEquals("Loading HFiles failed.",
144 0, ToolRunner.run(new LoadIncrementalHFiles(new Configuration(getConf())), args));
145
146 HTable table = null;
147 Scan scan = new Scan() {{
148 setCacheBlocks(false);
149 setCaching(1000);
150 }};
151 try {
152 table = new HTable(getConf(), tableName);
153 Iterator<Result> resultsIt = table.getScanner(scan).iterator();
154 Iterator<KeyValue> expectedIt = simple_expected.iterator();
155 while (resultsIt.hasNext() && expectedIt.hasNext()) {
156 Result r = resultsIt.next();
157 for (Cell actual : r.rawCells()) {
158 assertTrue(
159 "Ran out of expected values prematurely!",
160 expectedIt.hasNext());
161 KeyValue expected = expectedIt.next();
162 assertTrue(
163 format("Scan produced surprising result. expected: <%s>, actual: %s",
164 expected, actual),
165 KeyValue.COMPARATOR.compare(expected, actual) == 0);
166 }
167 }
168 assertFalse("Did not consume all expected values.", expectedIt.hasNext());
169 assertFalse("Did not consume all scan results.", resultsIt.hasNext());
170 } finally {
171 if (null != table) table.close();
172 }
173 }
174
175
176
177
178 protected static void validateDeletedPartitionsFile(Configuration conf) throws IOException {
179 if (!conf.getBoolean(IntegrationTestingUtility.IS_DISTRIBUTED_CLUSTER, false))
180 return;
181
182 FileSystem fs = FileSystem.get(conf);
183 Path partitionsFile = new Path(TotalOrderPartitioner.getPartitionFile(conf));
184 assertFalse("Failed to clean up partitions file.", fs.exists(partitionsFile));
185 }
186
187 @Test
188 public void testGenerateAndLoad() throws Exception {
189 LOG.info("Running test testGenerateAndLoad.");
190 String table = NAME + "-" + UUID.randomUUID();
191 String cf = "d";
192 Path hfiles = new Path(util.getDataTestDirOnTestFS(table), "hfiles");
193
194 String[] args = {
195 format("-D%s=%s", ImportTsv.BULK_OUTPUT_CONF_KEY, hfiles),
196 format("-D%s=HBASE_ROW_KEY,HBASE_TS_KEY,%s:c1,%s:c2",
197 ImportTsv.COLUMNS_CONF_KEY, cf, cf),
198
199
200 format("-D%s=false", TestImportTsv.DELETE_AFTER_LOAD_CONF),
201 table
202 };
203
204
205 util.createTable(table, cf);
206 Tool t = TestImportTsv.doMROnTableTest(util, cf, simple_tsv, args);
207 doLoadIncrementalHFiles(hfiles, table);
208
209
210 validateDeletedPartitionsFile(t.getConf());
211
212
213 util.deleteTable(table);
214 util.cleanupDataTestDirOnTestFS(table);
215 LOG.info("testGenerateAndLoad completed successfully.");
216 }
217
218
219
220
221
222
223
224
225
226 private static class JobLaunchingOuputCommitter extends FileOutputCommitter {
227
228 public JobLaunchingOuputCommitter(Path outputPath, TaskAttemptContext context)
229 throws IOException {
230 super(outputPath, context);
231 }
232
233 @Override
234 public void commitJob(JobContext context) throws IOException {
235 super.commitJob(context);
236
237
238 Configuration conf = HBaseConfiguration.create(context.getConfiguration());
239 conf.set("mapred.job.classpath.archives",
240 context.getConfiguration().get("mapred.job.classpath.archives", ""));
241 conf.set("mapreduce.job.cache.archives.visibilities",
242 context.getConfiguration().get("mapreduce.job.cache.archives.visibilities", ""));
243
244
245
246 IntegrationTestingUtility util =
247 new IntegrationTestingUtility(conf);
248
249
250
251 final String table = format("%s-%s-child", NAME, context.getJobID());
252 final String cf = "FAM";
253
254 String[] args = {
255 "-D" + ImportTsv.COLUMNS_CONF_KEY + "=HBASE_ROW_KEY,FAM:A,FAM:B",
256 "-D" + ImportTsv.SEPARATOR_CONF_KEY + "=\u001b",
257 table
258 };
259
260 try {
261 util.createTable(table, cf);
262 LOG.info("testRunFromOutputCommitter: launching child job.");
263 TestImportTsv.doMROnTableTest(util, cf, null, args, 1);
264 } catch (Exception e) {
265 throw new IOException("Underlying MapReduce job failed. Aborting commit.", e);
266 } finally {
267 util.deleteTable(table);
268 }
269 }
270 }
271
272
273
274
275 public static class JobLaunchingOutputFormat extends FileOutputFormat<LongWritable, Text> {
276
277 private OutputCommitter committer = null;
278
279 @Override
280 public RecordWriter<LongWritable, Text> getRecordWriter(TaskAttemptContext job)
281 throws IOException, InterruptedException {
282 return new RecordWriter<LongWritable, Text>() {
283 @Override
284 public void write(LongWritable key, Text value) throws IOException,
285 InterruptedException {
286
287 }
288
289 @Override
290 public void close(TaskAttemptContext context) throws IOException,
291 InterruptedException {
292
293 }
294 };
295 }
296
297 @Override
298 public synchronized OutputCommitter getOutputCommitter(TaskAttemptContext context)
299 throws IOException {
300 if (committer == null) {
301 Path output = getOutputPath(context);
302 LOG.debug("Using JobLaunchingOuputCommitter.");
303 committer = new JobLaunchingOuputCommitter(output, context);
304 }
305 return committer;
306 }
307 }
308
309
310
311
312 public static void addTestDependencyJars(Configuration conf) throws IOException {
313 TableMapReduceUtil.addDependencyJars(conf,
314 org.apache.hadoop.hbase.BaseConfigurable.class,
315 HBaseTestingUtility.class,
316 HBaseCommonTestingUtility.class,
317 com.google.common.collect.ListMultimap.class,
318 org.cloudera.htrace.Trace.class);
319 }
320
321
322
323
324
325
326
327
328
329
330 @Test
331 public void testRunFromOutputCommitter() throws Exception {
332 LOG.info("Running test testRunFromOutputCommitter.");
333
334 FileSystem fs = FileSystem.get(getConf());
335 Path inputPath = new Path(util.getDataTestDirOnTestFS("parent"), "input.txt");
336 Path outputPath = new Path(util.getDataTestDirOnTestFS("parent"), "output");
337 FSDataOutputStream fout = null;
338 try {
339 fout = fs.create(inputPath, true);
340 fout.write(Bytes.toBytes("testRunFromOutputCommitter\n"));
341 LOG.debug(format("Wrote test data to file: %s", inputPath));
342 } finally {
343 if (fout != null) {
344 fout.close();
345 }
346 }
347
348
349
350 Job job = new Job(getConf(), NAME + ".testRunFromOutputCommitter - parent");
351 job.setJarByClass(IntegrationTestImportTsv.class);
352 job.setInputFormatClass(TextInputFormat.class);
353 job.setOutputFormatClass(JobLaunchingOutputFormat.class);
354 TextInputFormat.addInputPath(job, inputPath);
355 JobLaunchingOutputFormat.setOutputPath(job, outputPath);
356 TableMapReduceUtil.addDependencyJars(job);
357 addTestDependencyJars(job.getConfiguration());
358
359
360
361 LOG.info("testRunFromOutputCommitter: launching parent job.");
362 assertTrue(job.waitForCompletion(true));
363 LOG.info("testRunFromOutputCommitter completed successfully.");
364 }
365
366 public int run(String[] args) throws Exception {
367 if (args.length != 0) {
368 System.err.println(format("%s [genericOptions]", NAME));
369 System.err.println(" Runs ImportTsv integration tests against a distributed cluster.");
370 System.err.println();
371 GenericOptionsParser.printGenericCommandUsage(System.err);
372 return 1;
373 }
374
375
376
377 provisionCluster();
378 testGenerateAndLoad();
379 testRunFromOutputCommitter();
380 releaseCluster();
381
382 return 0;
383 }
384
385 public static void main(String[] args) throws Exception {
386 Configuration conf = HBaseConfiguration.create();
387 IntegrationTestingUtility.setUseDistributedCluster(conf);
388 util = new IntegrationTestingUtility(conf);
389
390 args = new GenericOptionsParser(conf, args).getRemainingArgs();
391 int status = new IntegrationTestImportTsv().run(args);
392 System.exit(status);
393 }
394 }