Package org.apache.hadoop.chukwa

Examples of org.apache.hadoop.chukwa.Chunk

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  public static void extractRawLogFromDump(String directory, String fileName)
      throws Exception {
    File inputFile = new File(directory + fileName + ".bin");
    File outputFile = new File(directory + fileName + ".raw");
    DataInputStream dis = new DataInputStream(new FileInputStream(inputFile));
    Chunk chunk = null;
    FileWriter out = new FileWriter(outputFile);
    boolean eof = false;
    do {
      try {
        chunk = ChunkImpl.read(dis);
        out.write(new String(chunk.getData()));
      } catch (EOFException e) {
        eof = true;
      }

    } while (!eof);
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    String adaptorId = agent
        .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor."
            +"filetailer." + name
            + " raw " + testFile + " 0");
    assertNotNull(adaptorId);
    Chunk c = chunks.waitForAChunk(1000);
    assertNotNull(c);
    assertEquals(testFile.length(), c.getData().length);
    assertTrue(c.getDataType().equals("raw"));
    assertTrue(c.getRecordOffsets().length == 1);
    assertTrue(c.getSeqID() == testFile.length());
   
    c = chunks.waitForAChunk(1000);
    assertNull(c);
   
    agent.stopAdaptor(adaptorId, false);
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    String adaptorId = agent
        .processAddCommand("add lr =org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8"
            + " lines " + testFile + " 0");
    assertTrue(adaptorId.equals("adaptor_lr"));
    System.out.println("getting a chunk...");
    Chunk c = chunks.waitForAChunk();
    System.out.println("got chunk");
    while (!c.getDataType().equals("lines")) {
      c = chunks.waitForAChunk();
    }
    assertTrue(c.getSeqID() == testFile.length());
    assertTrue(c.getRecordOffsets().length == 80);
    int recStart = 0;
    for (int rec = 0; rec < c.getRecordOffsets().length; ++rec) {
      String record = new String(c.getData(), recStart,
          c.getRecordOffsets()[rec] - recStart + 1);
      System.out.println("record " + rec + " was: " + record);
      assertTrue(record.equals(rec + " abcdefghijklmnopqrstuvwxyz\n"));
      recStart = c.getRecordOffsets()[rec] + 1;
    }
    assertTrue(c.getDataType().equals("lines"));
    testFile = makeTestFile("chukwaLogRotateTest", 40);
    c = chunks.waitForAChunk();
    System.out.println("got chunk");
    while (!c.getDataType().equals("lines")) {
      c = chunks.waitForAChunk();
    }
    // assertTrue(c.getSeqID() == testFile.length());
    assertTrue(c.getRecordOffsets().length == 40);
    recStart = 0;
    for (int rec = 0; rec < c.getRecordOffsets().length; ++rec) {
      String record = new String(c.getData(), recStart,
          c.getRecordOffsets()[rec] - recStart + 1);
      System.out.println("record " + rec + " was: " + record);
      assertTrue(record.equals(rec + " abcdefghijklmnopqrstuvwxyz\n"));
      recStart = c.getRecordOffsets()[rec] + 1;
    }
    assertTrue(c.getDataType().equals("lines"));
    agent.stopAdaptor(adaptorId, false);
    agent.shutdown();
    Thread.sleep(2000);
  }
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            + " lines " + testFile + " 0");
    assertNotNull(adaptorId);
    assertEquals(1, agent.adaptorCount());

    System.out.println("getting a chunk...");
    Chunk c = chunks.waitForAChunk();
    System.out.println("got chunk");
    while (!c.getDataType().equals("lines")) {
      c = chunks.waitForAChunk();
    }
    assertTrue(c.getSeqID() == testFile.length());
    assertTrue(c.getRecordOffsets().length == 80);
    int recStart = 0;
    for (int rec = 0; rec < c.getRecordOffsets().length; ++rec) {
      String record = new String(c.getData(), recStart,
          c.getRecordOffsets()[rec] - recStart + 1);
      assertTrue(record.equals(rec + " abcdefghijklmnopqrstuvwxyz\n"));
      recStart = c.getRecordOffsets()[rec] + 1;
    }
    assertTrue(c.getDataType().equals("lines"));
    agent.stopAdaptor(adaptorId, false);
    agent.shutdown();
    Thread.sleep(2000);
  }
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        System.out.println("buzzed " + i + " times");
     
      assertEquals(0, agent.adaptorCount());
      agent.processAddCommand("add adaptor_test = filetailer.FileTailingAdaptor raw " +testFile.getCanonicalPath() + " 0");
      assertEquals(1, agent.adaptorCount());
      Chunk c = chunks.waitForAChunk();
      String dat = new String(c.getData());
      assertTrue(dat.startsWith("0 abcdefghijklmnopqrstuvwxyz"));
      assertTrue(dat.endsWith("9 abcdefghijklmnopqrstuvwxyz\n"));
      assertTrue(c.getDataType().equals("raw"));
      if(agent.adaptorCount() > 0)
        agent.stopAdaptor("adaptor_test", false);
    }
    agent.shutdown();
  }
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          .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8NewLineEscaped"
              + " BigRecord " + logFile + " 0");
      assertNotNull(adaptorId);

      boolean record8Found = false;
      Chunk c = null;
      // Keep reading until record8
      // If the adaptor is stopped then Junit will fail with a timeOut
      while (!record8Found) {
        c = chunks.waitForAChunk();//only wait three minutes
        String data = new String(c.getData());
        if (c.getDataType().equals("BigRecord")
            && data.indexOf("8 abcdefghijklmnopqrstuvwxyz") >= 0) {
          record8Found = true;
        }
      }
      agent.stopAdaptor(adaptorId, true);
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       .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor"+
            "filetailer.CharFileTailingAdaptorUTF8 "
            + "lines " + startOffset + " " + testFile + " " + startOffset);
    assertTrue(adaptorId != null);
    System.out.println("getting a chunk...");
    Chunk c = chunks.waitForAChunk();
    System.out.println("got chunk");
    while (!c.getDataType().equals("lines")) {
      c = chunks.waitForAChunk();
    }
    assertTrue(c.getSeqID() == testFile.length() + startOffset);
    System.out.println("RecordOffsets length:" + c.getRecordOffsets().length);
    assertTrue(c.getRecordOffsets().length == 80); // 80 lines in the file.
    int recStart = 0;
    for (int rec = 0; rec < c.getRecordOffsets().length; ++rec) {
      String record = new String(c.getData(), recStart,
          c.getRecordOffsets()[rec] - recStart + 1);
      System.out.println("record " + rec + " was: " + record);
      assertTrue(record.equals(rec + " abcdefghijklmnopqrstuvwxyz\n"));
      recStart = c.getRecordOffsets()[rec] + 1;
    }
    assertTrue(c.getDataType().equals("lines"));
    agent.stopAdaptor(adaptorId, false);
    agent.shutdown();
  }
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            + testFile
            + " "
            + (startOffset + 29));
    assertTrue(adaptorId != null);
    System.out.println("getting a chunk...");
    Chunk c = chunks.waitForAChunk();
    System.out.println("got chunk");
    while (!c.getDataType().equals("lines")) {
      c = chunks.waitForAChunk();
    }
    assertTrue(c.getSeqID() == testFile.length() + startOffset);

    assertTrue(c.getRecordOffsets().length == 79);// 80 lines in test file,
                                                  // minus the one we skipped
    int recStart = 0;
    for (int rec = 0; rec < c.getRecordOffsets().length; ++rec) {
      String record = new String(c.getData(), recStart,
          c.getRecordOffsets()[rec] - recStart + 1);
      System.out.println("record " + rec + " was: " + record);
      assertTrue(record.equals((rec + 1) + " abcdefghijklmnopqrstuvwxyz\n"));
      recStart = c.getRecordOffsets()[rec] + 1;
    }
    assertTrue(c.getDataType().equals("lines"));
    agent.stopAdaptor(adaptorId, false);
    agent.shutdown();
  }
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    String adaptorId = agent
        .processAddCommand("add adaptor_test = org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8"
            + " lines " + testFile + " 0");
    assertTrue(adaptorId.equals("adaptor_test"));
    System.out.println("getting a chunk...");
    Chunk c = chunks.waitForAChunk();
    assertTrue(c.getSeqID() == testFile.length());

    assertTrue(c.getRecordOffsets().length == 80);
    int recStart = 0;
    for (int rec = 0; rec < c.getRecordOffsets().length; ++rec) {
      String record = new String(c.getData(), recStart,
          c.getRecordOffsets()[rec] - recStart + 1);
      assertTrue(record.equals(rec + " abcdefghijklmnopqrstuvwxyz\n"));
      recStart = c.getRecordOffsets()[rec] + 1;
    }
    assertTrue(c.getDataType().equals("lines"));
    agent.stopAdaptor(adaptorId, false);
    agent.shutdown();
    Thread.sleep(2000);
  }
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    ChukwaAgent agent = new ChukwaAgent(conf);
    String adaptorID = agent.processAddCommand("add lr = filetailer.RCheckFTAdaptor test " + tmpOutput.getAbsolutePath() + " 0");
    assertNotNull(adaptorID);
   
    Chunk c = chunks.waitForAChunk(2000);
    assertNotNull(c);
    assertTrue(c.getData().length == 6);
    assertTrue("First\n".equals(new String(c.getData())));
    c = chunks.waitForAChunk(2000);
    assertNotNull(c);
    assertTrue(c.getData().length == 7);   
    assertTrue("Second\n".equals(new String(c.getData())));

    pw = new PrintWriter(new FileOutputStream(tmpOutput, true));
    pw.println("Third");
    pw.close();
    c = chunks.waitForAChunk(2000);
   
    assertNotNull(c);
    assertTrue(c.getData().length == 6);   
    assertTrue("Third\n".equals(new String(c.getData())));
    Thread.sleep(1500);
   
    tmpOutput.renameTo(new File(baseDir, "rotateTest.2"));
    pw = new PrintWriter(new FileOutputStream(tmpOutput, true));
    pw.println("Fourth");
    pw.close();
    c = chunks.waitForAChunk(2000);

    assertNotNull(c);
    System.out.println("got " + new String(c.getData()));
    assertTrue("Fourth\n".equals(new String(c.getData())));

    Thread.sleep(1500);
   
    tmpOutput.renameTo(new File(baseDir, "rotateTest.3"));
    Thread.sleep(400);
    pw = new PrintWriter(new FileOutputStream(tmpOutput, true));
    pw.println("Fifth");
    pw.close();
    c = chunks.waitForAChunk(2000);
    assertNotNull(c);
    System.out.println("got " + new String(c.getData()));
    assertTrue("Fifth\n".equals(new String(c.getData())));

    agent.shutdown();
    Thread.sleep(2000);
  }
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  • org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.TestFileTailingAdaptorBigRecord
  • org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.TestFileTailingAdaptorPreserveLines
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  • org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.TestLogRotate
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  • org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.TestStartAtOffset
  • org.apache.hadoop.chukwa.datacollection.adaptor.jms.JMSAdaptor$JMSListener
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