Package org.apache.hadoop.tools

Examples of org.apache.hadoop.tools.DistCpOptions

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  public static void tearDown() {
    cluster.shutdown();
  }

  public void testGetSplits(int nMaps) throws Exception {
    DistCpOptions options = getOptions(nMaps);
    Configuration configuration = new Configuration();
    configuration.set("mapred.map.tasks",
                      String.valueOf(options.getMaxMaps()));
    Path listFile = new Path(cluster.getFileSystem().getUri().toString()
        + "/tmp/testGetSplits_1/fileList.seq");
    CopyListing.getCopyListing(configuration, CREDENTIALS, options).
        buildListing(listFile, options);
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    } catch (IllegalArgumentException ignore) { }
  }

  @Test
  public void testParseSSLConf() {
    DistCpOptions options = OptionsParser.parse(new String[] {
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertNull(options.getSslConfigurationFile());

    options = OptionsParser.parse(new String[] {
        "-mapredSslConf",
        "/tmp/ssl-client.xml",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertEquals(options.getSslConfigurationFile(), "/tmp/ssl-client.xml");
  }
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    Assert.assertEquals(options.getSslConfigurationFile(), "/tmp/ssl-client.xml");
  }

  @Test
  public void testParseMaps() {
    DistCpOptions options = OptionsParser.parse(new String[] {
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertEquals(options.getMaxMaps(), DistCpConstants.DEFAULT_MAPS);

    options = OptionsParser.parse(new String[] {
        "-m",
        "1",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertEquals(options.getMaxMaps(), 1);

    try {
      OptionsParser.parse(new String[] {
          "-m",
          "hello",
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    } catch (IllegalArgumentException ignore) { }
  }

  @Test
  public void testSourceListing() {
    DistCpOptions options = OptionsParser.parse(new String[] {
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertEquals(options.getSourceFileListing(),
        new Path("hdfs://localhost:8020/source/first"));
  }
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    } catch (IllegalArgumentException ignore) {}
  }

  @Test
  public void testToString() {
    DistCpOptions option = new DistCpOptions(new Path("abc"), new Path("xyz"));
    String val = "DistCpOptions{atomicCommit=false, syncFolder=false, deleteMissing=false, " +
        "ignoreFailures=false, maxMaps=20, sslConfigurationFile='null', copyStrategy='uniformsize', " +
        "sourceFileListing=abc, sourcePaths=null, targetPath=xyz}";
    Assert.assertEquals(val, option.toString());
    Assert.assertNotSame(DistCpOptionSwitch.ATOMIC_COMMIT.toString(),
        DistCpOptionSwitch.ATOMIC_COMMIT.name());
  }
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        DistCpOptionSwitch.ATOMIC_COMMIT.name());
  }

  @Test
  public void testCopyStrategy() {
    DistCpOptions options = OptionsParser.parse(new String[] {
        "-strategy",
        "dynamic",
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertEquals(options.getCopyStrategy(), "dynamic");

    options = OptionsParser.parse(new String[] {
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertEquals(options.getCopyStrategy(), DistCpConstants.UNIFORMSIZE);
  }
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    Assert.assertEquals(options.getCopyStrategy(), DistCpConstants.UNIFORMSIZE);
  }

  @Test
  public void testTargetPath() {
    DistCpOptions options = OptionsParser.parse(new String[] {
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertEquals(options.getTargetPath(), new Path("hdfs://localhost:8020/target/"));
  }
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    Assert.assertEquals(options.getTargetPath(), new Path("hdfs://localhost:8020/target/"));
  }

  @Test
  public void testPreserve() {
    DistCpOptions options = OptionsParser.parse(new String[] {
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertFalse(options.shouldPreserve(FileAttribute.BLOCKSIZE));
    Assert.assertFalse(options.shouldPreserve(FileAttribute.REPLICATION));
    Assert.assertFalse(options.shouldPreserve(FileAttribute.PERMISSION));
    Assert.assertFalse(options.shouldPreserve(FileAttribute.USER));
    Assert.assertFalse(options.shouldPreserve(FileAttribute.GROUP));

    options = OptionsParser.parse(new String[] {
        "-p",
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.USER));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP));

    options = OptionsParser.parse(new String[] {
        "-p",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.USER));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP));

    options = OptionsParser.parse(new String[] {
        "-pbr",
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
    Assert.assertFalse(options.shouldPreserve(FileAttribute.PERMISSION));
    Assert.assertFalse(options.shouldPreserve(FileAttribute.USER));
    Assert.assertFalse(options.shouldPreserve(FileAttribute.GROUP));

    options = OptionsParser.parse(new String[] {
        "-pbrgup",
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.USER));
    Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP));

    options = OptionsParser.parse(new String[] {
        "-p",
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    int i = 0;
    Iterator<FileAttribute> attribIterator = options.preserveAttributes();
    while (attribIterator.hasNext()) {
      attribIterator.next();
      i++;
    }
    Assert.assertEquals(i, 5);

    try {
      OptionsParser.parse(new String[] {
          "-pabc",
          "-f",
          "hdfs://localhost:8020/source/first",
          "hdfs://localhost:8020/target"});
      Assert.fail("Invalid preserve attribute");
    }
    catch (IllegalArgumentException ignore) {}
    catch (NoSuchElementException ignore) {}

    options = OptionsParser.parse(new String[] {
        "-f",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    Assert.assertFalse(options.shouldPreserve(FileAttribute.PERMISSION));
    options.preserve(FileAttribute.PERMISSION);
    Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));

    options.preserve(FileAttribute.PERMISSION);
    Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
  }
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  @Test
  public void testOptionsAppendToConf() {
    Configuration conf = new Configuration();
    Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.IGNORE_FAILURES.getConfigLabel(), false));
    Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.ATOMIC_COMMIT.getConfigLabel(), false));
    DistCpOptions options = OptionsParser.parse(new String[] {
        "-atomic",
        "-i",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    options.appendToConf(conf);
    Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.IGNORE_FAILURES.getConfigLabel(), false));
    Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.ATOMIC_COMMIT.getConfigLabel(), false));
    Assert.assertEquals(conf.getInt(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1),
        DistCpConstants.DEFAULT_BANDWIDTH_MB);

    conf = new Configuration();
    Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.SYNC_FOLDERS.getConfigLabel(), false));
    Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.DELETE_MISSING.getConfigLabel(), false));
    Assert.assertEquals(conf.get(DistCpOptionSwitch.PRESERVE_STATUS.getConfigLabel()), null);
    options = OptionsParser.parse(new String[] {
        "-update",
        "-delete",
        "-pu",
        "-bandwidth",
        "11",
        "hdfs://localhost:8020/source/first",
        "hdfs://localhost:8020/target/"});
    options.appendToConf(conf);
    Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.SYNC_FOLDERS.getConfigLabel(), false));
    Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.DELETE_MISSING.getConfigLabel(), false));
    Assert.assertEquals(conf.get(DistCpOptionSwitch.PRESERVE_STATUS.getConfigLabel()), "U");
    Assert.assertEquals(conf.getInt(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1), 11);
  }
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  }

  @Override
  public int run(String[] args) throws Exception {

        DistCpOptions options = getDistCpOptions(args);
       
        Configuration conf = this.getConf();
    // inject wf configs
    Path confPath = new Path("file:///"
        + System.getProperty("oozie.action.conf.xml"));

    LOG.info(confPath + " found conf ? "
        + confPath.getFileSystem(conf).exists(confPath));
    conf.addResource(confPath);
       
    DistCp distCp = new CustomReplicator(conf, options);
    LOG.info("Started DistCp");
    distCp.execute();

        Path targetPath = options.getTargetPath();
        FileSystem fs = targetPath.getFileSystem(getConf());
        List<Path> inPaths = options.getSourcePaths();
        assert inPaths.size() == 1 : "Source paths more than 1 can't be handled";

        Path sourcePath = inPaths.get(0);
        Path includePath = new Path(getConf().get("ivory.include.path"));
        assert includePath.toString().substring(0, sourcePath.toString().length()).
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Related Classes of org.apache.hadoop.tools.DistCpOptions

  • org.apache.falcon.replication.FeedReplicator
  • org.apache.falcon.replication.FeedReplicatorTest
  • org.apache.falcon.replication.FilteredCopyListingTest
  • org.apache.hadoop.tools.mapred.lib.TestDynamicInputFormat
  • org.apache.hadoop.tools.mapred.TestCopyCommitter
  • org.apache.hadoop.tools.mapred.TestUniformSizeInputFormat
  • org.apache.hadoop.tools.TestOptionsParser
  • org.apache.ivory.repliation.FeedReplicatorTest
  • org.apache.ivory.replication.FeedReplicator
  • org.apache.ivory.replication.FilteredCopyListingTest
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