Package org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat

Examples of org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogWriter

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    FileOutputStream os = new FileOutputStream(outputFile);
    final OutputStreamWriter osw = new OutputStreamWriter(os, "UTF8");
    final int ch = filler;

    UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
    LogWriter logWriter = new LogWriter(conf, remoteAppLogFile, ugi);

    LogKey logKey = new LogKey(testContainerId);
    LogValue logValue =
        spy(new LogValue(Collections.singletonList(srcFileRoot.toString()),
            testContainerId, ugi.getShortUserName()));

    final CountDownLatch latch = new CountDownLatch(1);

    Thread t = new Thread() {
      public void run() {
        try {
          for(int i=0; i < length/3; i++) {
              osw.write(ch);
          }

          latch.countDown();

          for(int i=0; i < (2*length)/3; i++) {
            osw.write(ch);
          }
          osw.close();
        } catch (IOException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }
    };
    t.start();

    //Wait till the osw is partially written
    //aggregation starts once the ows has completed 1/3rd of its work
    latch.await();

    //Aggregate The Logs
    logWriter.append(logKey, logValue);
    logWriter.close();
  }
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    int numChars = 80000;

    writeSrcFile(srcFilePath, "stdout", numChars);

    UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
    LogWriter logWriter = new LogWriter(conf, remoteAppLogFile, ugi);

    LogKey logKey = new LogKey(testContainerId);
    LogValue logValue =
        new LogValue(Collections.singletonList(srcFileRoot.toString()),
            testContainerId, ugi.getShortUserName());

    logWriter.append(logKey, logValue);
    logWriter.close();

    // make sure permission are correct on the file
    FileStatus fsStatus =  fs.getFileStatus(remoteAppLogFile);
    Assert.assertEquals("permissions on log aggregation file are wrong", 
      FsPermission.createImmutable((short) 0640), fsStatus.getPermission());
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    writeSrcFile(srcFilePath1, stderr, data + testContainerId1.toString()
        + stderr);

    UserGroupInformation ugi =
        UserGroupInformation.getCurrentUser();
    LogWriter logWriter = new LogWriter(conf, remoteAppLogFile, ugi);

    LogKey logKey = new LogKey(testContainerId1);
    String randomUser = "randomUser";
    LogValue logValue =
        spy(new LogValue(Collections.singletonList(srcFileRoot.toString()),
            testContainerId1, randomUser));
   
    // It is trying simulate a situation where first log file is owned by
    // different user (probably symlink) and second one by the user itself.
    when(logValue.getUser()).thenReturn(randomUser).thenReturn(
        ugi.getShortUserName());
    logWriter.append(logKey, logValue);

    logWriter.close();
   
    BufferedReader in =
        new BufferedReader(new FileReader(new File(remoteAppLogFile
            .toUri().getRawPath())));
    String line;
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    if (this.writer == null) {
      LOG.info("Starting aggregate log-file for app " + this.applicationId
          + " at " + this.remoteNodeTmpLogFileForApp);
      try {
        this.writer =
            new LogWriter(this.conf, this.remoteNodeTmpLogFileForApp,
                this.userUgi);
        //Write ACLs once when and if the writer is created.
        this.writer.writeApplicationACLs(appAcls);
        this.writer.writeApplicationOwner(this.userUgi.getShortUserName());
      } catch (IOException e) {
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    int numChars = 80000;

    writeSrcFile(srcFilePath, "stdout", numChars);

    UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
    LogWriter logWriter = new LogWriter(conf, remoteAppLogFile, ugi);

    LogKey logKey = new LogKey(testContainerId);
    LogValue logValue =
        new LogValue(Collections.singletonList(srcFileRoot.toString()),
            testContainerId, ugi.getShortUserName());

    logWriter.append(logKey, logValue);
    logWriter.closeWriter();

    // make sure permission are correct on the file
    FileStatus fsStatus =  fs.getFileStatus(remoteAppLogFile);
    Assert.assertEquals("permissions on log aggregation file are wrong", 
      FsPermission.createImmutable((short) 0640), fsStatus.getPermission());
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    writeSrcFile(srcFilePath1, stderr, data + testContainerId1.toString()
        + stderr);

    UserGroupInformation ugi =
        UserGroupInformation.getCurrentUser();
    LogWriter logWriter = new LogWriter(conf, remoteAppLogFile, ugi);

    LogKey logKey = new LogKey(testContainerId1);
    String randomUser = "randomUser";
    LogValue logValue =
        spy(new LogValue(Collections.singletonList(srcFileRoot.toString()),
            testContainerId1, randomUser));
   
    // It is trying simulate a situation where first log file is owned by
    // different user (probably symlink) and second one by the user itself.
    when(logValue.getUser()).thenReturn(randomUser).thenReturn(
        ugi.getShortUserName());
    logWriter.append(logKey, logValue);

    logWriter.closeWriter();
   
    BufferedReader in =
        new BufferedReader(new FileReader(new File(remoteAppLogFile
            .toUri().getRawPath())));
    String line;
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    if (this.writer == null) {
      LOG.info("Starting aggregate log-file for app " + this.applicationId
          + " at " + this.remoteNodeTmpLogFileForApp);
      try {
        this.writer =
            new LogWriter(this.conf, this.remoteNodeTmpLogFileForApp,
                this.userUgi);
        //Write ACLs once when and if the writer is created.
        this.writer.writeApplicationACLs(appAcls);
        this.writer.writeApplicationOwner(this.userUgi.getShortUserName());
      } catch (IOException e) {
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    if (this.writer == null) {
      LOG.info("Starting aggregate log-file for app " + this.applicationId
          + " at " + this.remoteNodeTmpLogFileForApp);
      try {
        this.writer =
            new LogWriter(this.conf, this.remoteNodeTmpLogFileForApp,
                this.userUgi);
        //Write ACLs once when and if the writer is created.
        this.writer.writeApplicationACLs(appAcls);
        this.writer.writeApplicationOwner(this.userUgi.getShortUserName());
      } catch (IOException e) {
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    int numChars = 80000;

    writeSrcFile(srcFilePath, "stdout", numChars);

    UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
    LogWriter logWriter = new LogWriter(conf, remoteAppLogFile, ugi);

    LogKey logKey = new LogKey(testContainerId);
    LogValue logValue =
        new LogValue(Collections.singletonList(srcFileRoot.toString()),
            testContainerId);

    logWriter.append(logKey, logValue);
    logWriter.closeWriter();

    LogReader logReader = new LogReader(conf, remoteAppLogFile);
    LogKey rLogKey = new LogKey();
    DataInputStream dis = logReader.next(rLogKey);
    Writer writer = new StringWriter();
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    if (this.writer == null) {
      LOG.info("Starting aggregate log-file for app " + this.applicationId
          + " at " + this.remoteNodeTmpLogFileForApp);
      try {
        this.writer =
            new LogWriter(this.conf, this.remoteNodeTmpLogFileForApp,
                this.userUgi);
        //Write ACLs once when and if the writer is created.
        this.writer.writeApplicationACLs(appAcls);
        this.writer.writeApplicationOwner(this.userUgi.getShortUserName());
      } catch (IOException e) {
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Related Classes of org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogWriter

  • org.apache.hadoop.yarn.logaggregation.TestAggregatedLogFormat
  • org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl
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