Examples of ChukwaAgent

Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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    // Remove any adaptor left over from previous run
    Configuration conf = new Configuration();
    conf.set("chukwaAgent.control.port", "0");
    conf.setInt("chukwaAgent.adaptor.context.switch.time", 100);
    ChukwaAgent agent = new ChukwaAgent(conf);

    File testFile = makeTestFile("chukwaRawTest", 80,
        new File(System.getProperty("test.build.data", "/tmp")));
   
    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);
    agent.shutdown();
  }
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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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    chunks.start();
  }

  public void testLogRotate() throws IOException, InterruptedException,
      ChukwaAgent.AlreadyRunningException {
    ChukwaAgent agent = new ChukwaAgent();
    // Remove any adaptor left over from previous run
    ChukwaConfiguration cc = new ChukwaConfiguration();
    int portno = cc.getInt("chukwaAgent.control.port", 9093);
    ChukwaAgentController cli = new ChukwaAgentController("localhost", portno);
    cli.removeAll();
    // sleep for some time to make sure we don't get chunk from existing streams
    Thread.sleep(5000);
    File testFile = makeTestFile("chukwaLogRotateTest", 80);
    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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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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import org.apache.hadoop.conf.Configuration;

public class TestFileExpirationPolicy extends TestCase {

  public void testExpiration() {
    ChukwaAgent agent = null;

    try {
      Configuration conf = new ChukwaConfiguration();
      conf.set("chukwaAgent.control.port", "0");
      agent = new ChukwaAgent(conf);

      FileTailingAdaptor.GRACEFUL_PERIOD = 30 * 1000;

      String adaptorId = agent
          .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8NewLineEscaped MyType 0 /myWrongPath"
              + System.currentTimeMillis() + " 0");

      assertTrue(adaptorId != null);

      assertNotNull(agent.getAdaptor(adaptorId));

      Thread.sleep(FileTailingAdaptor.GRACEFUL_PERIOD + 10000);
      assertNull(agent.getAdaptor(adaptorId));

    } catch (Exception e) {
      Assert.fail("Exception in TestFileExpirationPolicy");
    } finally {
      if (agent != null) {
        agent.shutdown();
        try {
          Thread.sleep(2000);
        } catch (Exception ex) {
        }
      }
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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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    }

  }

  public void testExpirationOnFileThatHasBennDeleted() {
    ChukwaAgent agent = null;
    File testFile = null;
    try {

      File tempDir = new File(System.getProperty("test.build.data", "/tmp"));
      if (!tempDir.exists()) {
        tempDir.mkdirs();
      }
      String logFile = tempDir.getPath() + "/chukwatestExpiration.txt";
      testFile = makeTestFile(logFile, 8000);

      Configuration conf = new ChukwaConfiguration();
      conf.set("chukwaAgent.control.port", "0");
      agent = new ChukwaAgent(conf);
      // Remove any adaptor left over from previous run

      ChukwaAgentController cli = new ChukwaAgentController("localhost", agent.getControllerPort());
      cli.removeAll();
      // sleep for some time to make sure we don't get chunk from existing
      // streams
      Thread.sleep(5000);

      assertTrue(testFile.canRead() == true);

      FileTailingAdaptor.GRACEFUL_PERIOD = 30 * 1000;
      String adaptorId = agent
          .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8NewLineEscaped MyType 0 "
              + logFile + " 0");

      assertTrue(adaptorId != null);

      assertNotNull(agent.getAdaptor(adaptorId));

      Thread.sleep(10000);
      testFile.delete();

      Thread.sleep(FileTailingAdaptor.GRACEFUL_PERIOD + 10000);
      assertNull(agent.getAdaptor(adaptorId));
      agent.shutdown();
      Thread.sleep(2000);
    } catch (Exception e) {
      Assert.fail("Exception in TestFileExpirationPolicy");
    } finally {
      if (agent != null) {
        agent.shutdown();
        try {
          Thread.sleep(2000);
        } catch (Exception ex) {
        }
      }
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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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  }

  public void testCrSepAdaptor() throws IOException, InterruptedException,
      ChukwaAgent.AlreadyRunningException {
    ChukwaAgent agent = new ChukwaAgent(conf);
    // Remove any adaptor left over from previous run

    // sleep for some time to make sure we don't get chunk from existing streams
    Thread.sleep(5000);
    assertEquals(0, agent.adaptorCount());
    String adaptorId = agent
        .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8"
            + " 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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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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  public void testRepeatedlyOnBigFile() throws IOException,
  ChukwaAgent.AlreadyRunningException, InterruptedException {
    int tests = 10; //SHOULD SET HIGHER AND WATCH WITH lsof to find leaks

    ChukwaAgent agent = new ChukwaAgent(conf);
    for(int i=0; i < tests; ++i) {
      if(i % 100 == 0)
        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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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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  public void testOffsetInAdaptorName() throws IOException, ChukwaAgent.AlreadyRunningException,
  InterruptedException{
    File testFile = makeTestFile("foo", 120,baseDir);
    ChukwaAgent agent = new ChukwaAgent(conf);
    assertEquals(0, agent.adaptorCount());
    agent.processAddCommand("add test = filetailer.FileTailingAdaptor raw " +testFile.getCanonicalPath() + " 0");
    assertEquals(1, agent.adaptorCount());
    Thread.sleep(2000);
    agent.processAddCommand("add test = filetailer.FileTailingAdaptor raw " +testFile.getCanonicalPath() + " 0");
    assertEquals(1, agent.adaptorCount());
    chunks.clear();
    agent.shutdown();
  }
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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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      // Remove any adaptor left over from previous run
      ChukwaConfiguration cc = new ChukwaConfiguration();
      cc.set("chukwaAgent.control.port", "0");
      cc.setInt("chukwaAgent.fileTailingAdaptor.maxReadSize", 55);
      ChukwaAgent agent = new ChukwaAgent(cc);
      int portno = agent.getControllerPort();
      while (portno == -1) {
        Thread.sleep(1000);
        portno = agent.getControllerPort();
      }

      // System.out.println("Port number:" + portno);
      ChukwaAgentController cli = new ChukwaAgentController("localhost", portno);
      cli.removeAll();
      // sleep for some time to make sure we don't get chunk from existing
      // streams
      Thread.sleep(5000);
      String adaptorId = agent
          .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);
      agent.shutdown();
      Thread.sleep(2000);
    } catch (Exception e) {
      Assert.fail("Exception in testBigRecord: " + e.getMessage());
    } finally {
      if (f != null) {
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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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  public void startAtOffset() throws IOException, InterruptedException,
      ChukwaAgent.AlreadyRunningException {
    Configuration conf = new Configuration();
    conf.set("chukwaAgent.control.port", "0");
    conf.setInt("chukwaAgent.adaptor.context.switch.time", 100);
    ChukwaAgent agent = new ChukwaAgent(conf);
    File testFile = makeTestFile();
    int startOffset = 0; // skip first line
    String adaptorId = agent
       .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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Examples of org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent

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  public void testStartAfterOffset() throws IOException, InterruptedException,
      ChukwaAgent.AlreadyRunningException {
    Configuration conf = new Configuration();
    conf.set("chukwaAgent.control.port", "0");
    conf.setInt("chukwaAgent.adaptor.context.switch.time", 100);
    ChukwaAgent agent = new ChukwaAgent(conf);
    File testFile = makeTestFile();
    int startOffset = 0;
    String adaptorId = agent
        .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8 "
            + "lines "
            + startOffset
            + " "
            + 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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