Examples with FileMetaDataReader co.cask.cdap.logging.meta.FileMetaDataReader used on opensource projects

Example 1 with FileMetaDataReader

use of co.cask.cdap.logging.meta.FileMetaDataReader in project cdap by caskdata.

the class FileMetadataTest method testFileMetadataReadWrite.

@Test
public void testFileMetadataReadWrite() throws Exception {
    DatasetFramework datasetFramework = injector.getInstance(DatasetFramework.class);
    DatasetManager datasetManager = new DefaultDatasetManager(datasetFramework, NamespaceId.SYSTEM, co.cask.cdap.common.service.RetryStrategies.noRetry());
    Transactional transactional = Transactions.createTransactionalWithRetry(Transactions.createTransactional(new MultiThreadDatasetCache(new SystemDatasetInstantiator(datasetFramework), injector.getInstance(TransactionSystemClient.class), NamespaceId.SYSTEM, ImmutableMap.<String, String>of(), null, null)), RetryStrategies.retryOnConflict(20, 100));
    FileMetaDataWriter fileMetaDataWriter = new FileMetaDataWriter(datasetManager, transactional);
    LogPathIdentifier logPathIdentifier = new LogPathIdentifier(NamespaceId.DEFAULT.getNamespace(), "testApp", "testFlow");
    LocationFactory locationFactory = injector.getInstance(LocationFactory.class);
    Location location = locationFactory.create(TMP_FOLDER.newFolder().getPath()).append("/logs");
    long currentTime = System.currentTimeMillis();
    for (int i = 10; i <= 100; i += 10) {
        // i is the event time
        fileMetaDataWriter.writeMetaData(logPathIdentifier, i, currentTime, location.append(Integer.toString(i)));
    }
    // for the timestamp 80, add new new log path id with different current time.
    fileMetaDataWriter.writeMetaData(logPathIdentifier, 80, currentTime + 1, location.append("81"));
    fileMetaDataWriter.writeMetaData(logPathIdentifier, 80, currentTime + 2, location.append("82"));
    // reader test
    FileMetaDataReader fileMetadataReader = injector.getInstance(FileMetaDataReader.class);
    Assert.assertEquals(12, fileMetadataReader.listFiles(logPathIdentifier, 0, 100).size());
    Assert.assertEquals(5, fileMetadataReader.listFiles(logPathIdentifier, 20, 50).size());
    Assert.assertEquals(2, fileMetadataReader.listFiles(logPathIdentifier, 100, 150).size());
    // should include the latest file with event start time 80.
    List<LogLocation> locationList = fileMetadataReader.listFiles(logPathIdentifier, 81, 85);
    Assert.assertEquals(1, locationList.size());
    Assert.assertEquals(80, locationList.get(0).getEventTimeMs());
    Assert.assertEquals(location.append("82"), locationList.get(0).getLocation());
    Assert.assertEquals(1, fileMetadataReader.listFiles(logPathIdentifier, 150, 1000).size());
}

Example 2 with FileMetaDataReader

use of co.cask.cdap.logging.meta.FileMetaDataReader in project cdap by caskdata.

the class CDAPLogAppenderTest method testCDAPLogAppender.

@Test
public void testCDAPLogAppender() throws Exception {
    int syncInterval = 1024 * 1024;
    CDAPLogAppender cdapLogAppender = new CDAPLogAppender();
    cdapLogAppender.setSyncIntervalBytes(syncInterval);
    cdapLogAppender.setMaxFileLifetimeMs(TimeUnit.DAYS.toMillis(1));
    cdapLogAppender.setMaxFileSizeInBytes(104857600);
    cdapLogAppender.setDirPermissions("700");
    cdapLogAppender.setFilePermissions("600");
    cdapLogAppender.setFileRetentionDurationDays(1);
    cdapLogAppender.setLogCleanupIntervalMins(10);
    cdapLogAppender.setFileCleanupTransactionTimeout(30);
    AppenderContext context = new LocalAppenderContext(injector.getInstance(DatasetFramework.class), injector.getInstance(TransactionSystemClient.class), injector.getInstance(LocationFactory.class), new NoOpMetricsCollectionService());
    context.start();
    cdapLogAppender.setContext(context);
    cdapLogAppender.start();
    FileMetaDataReader fileMetaDataReader = injector.getInstance(FileMetaDataReader.class);
    LoggingEvent event = new LoggingEvent("co.cask.Test", (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME), Level.ERROR, "test message", null, null);
    Map<String, String> properties = new HashMap<>();
    properties.put(NamespaceLoggingContext.TAG_NAMESPACE_ID, "default");
    properties.put(ApplicationLoggingContext.TAG_APPLICATION_ID, "testApp");
    properties.put(FlowletLoggingContext.TAG_FLOW_ID, "testFlow");
    properties.put(FlowletLoggingContext.TAG_FLOWLET_ID, "testFlowlet");
    event.setMDCPropertyMap(properties);
    cdapLogAppender.doAppend(event);
    cdapLogAppender.stop();
    context.stop();
    try {
        List<LogLocation> files = fileMetaDataReader.listFiles(cdapLogAppender.getLoggingPath(properties), 0, Long.MAX_VALUE);
        Assert.assertEquals(1, files.size());
        LogLocation logLocation = files.get(0);
        Assert.assertEquals(LogLocation.VERSION_1, logLocation.getFrameworkVersion());
        Assert.assertTrue(logLocation.getLocation().exists());
        CloseableIterator<LogEvent> logEventCloseableIterator = logLocation.readLog(Filter.EMPTY_FILTER, 0, Long.MAX_VALUE, Integer.MAX_VALUE);
        int logCount = 0;
        while (logEventCloseableIterator.hasNext()) {
            logCount++;
            LogEvent logEvent = logEventCloseableIterator.next();
            Assert.assertEquals(event.getMessage(), logEvent.getLoggingEvent().getMessage());
        }
        logEventCloseableIterator.close();
        Assert.assertEquals(1, logCount);
        // checking permission
        String expectedPermissions = "rw-------";
        for (LogLocation file : files) {
            Location location = file.getLocation();
            Assert.assertEquals(expectedPermissions, location.getPermissions());
        }
    } catch (Exception e) {
        Assert.fail();
    }
}

Example 3 with FileMetaDataReader

use of co.cask.cdap.logging.meta.FileMetaDataReader in project cdap by caskdata.

the class DistributedLogFrameworkTest method testFramework.

@Test
public void testFramework() throws Exception {
    DistributedLogFramework framework = injector.getInstance(DistributedLogFramework.class);
    CConfiguration cConf = injector.getInstance(CConfiguration.class);
    framework.startAndWait();
    // Send some logs to Kafka.
    LoggingContext context = new ServiceLoggingContext(NamespaceId.SYSTEM.getNamespace(), Constants.Logging.COMPONENT_NAME, "test");
    // Make sure all events get flushed in the same batch
    long eventTimeBase = System.currentTimeMillis() + cConf.getInt(Constants.Logging.PIPELINE_EVENT_DELAY_MS);
    final int msgCount = 50;
    for (int i = 0; i < msgCount; i++) {
        // Publish logs in descending timestamp order
        publishLog(cConf.get(Constants.Logging.KAFKA_TOPIC), context, ImmutableList.of(createLoggingEvent("co.cask.test." + i, Level.INFO, "Testing " + i, eventTimeBase - i)));
    }
    // Read the logs back. They should be sorted by timestamp order.
    final FileMetaDataReader metaDataReader = injector.getInstance(FileMetaDataReader.class);
    Tasks.waitFor(true, new Callable<Boolean>() {

        @Override
        public Boolean call() throws Exception {
            List<LogLocation> locations = metaDataReader.listFiles(new LogPathIdentifier(NamespaceId.SYSTEM.getNamespace(), Constants.Logging.COMPONENT_NAME, "test"), 0, Long.MAX_VALUE);
            if (locations.size() != 1) {
                return false;
            }
            LogLocation location = locations.get(0);
            int i = 0;
            try {
                try (CloseableIterator<LogEvent> iter = location.readLog(Filter.EMPTY_FILTER, 0, Long.MAX_VALUE, msgCount)) {
                    while (iter.hasNext()) {
                        String expectedMsg = "Testing " + (msgCount - i - 1);
                        LogEvent event = iter.next();
                        if (!expectedMsg.equals(event.getLoggingEvent().getMessage())) {
                            return false;
                        }
                        i++;
                    }
                    return i == msgCount;
                }
            } catch (Exception e) {
                // and the time when actual content are flushed to the file
                return false;
            }
        }
    }, 10, TimeUnit.SECONDS, msgCount, TimeUnit.MILLISECONDS);
    framework.stopAndWait();
    // Check the checkpoint is persisted correctly. Since all messages are processed,
    // the checkpoint should be the same as the message count.
    Checkpoint checkpoint = injector.getInstance(CheckpointManagerFactory.class).create(cConf.get(Constants.Logging.KAFKA_TOPIC), Bytes.toBytes(100)).getCheckpoint(0);
    Assert.assertEquals(msgCount, checkpoint.getNextOffset());
}

Example 4 with FileMetaDataReader

use of co.cask.cdap.logging.meta.FileMetaDataReader in project cdap by caskdata.

the class FileMetadataTest method testFileMetadataReadWriteAcrossFormats.

@Test
public void testFileMetadataReadWriteAcrossFormats() throws Exception {
    DatasetFramework datasetFramework = injector.getInstance(DatasetFramework.class);
    DatasetManager datasetManager = new DefaultDatasetManager(datasetFramework, NamespaceId.SYSTEM, co.cask.cdap.common.service.RetryStrategies.noRetry());
    Transactional transactional = Transactions.createTransactionalWithRetry(Transactions.createTransactional(new MultiThreadDatasetCache(new SystemDatasetInstantiator(datasetFramework), injector.getInstance(TransactionSystemClient.class), NamespaceId.SYSTEM, ImmutableMap.<String, String>of(), null, null)), RetryStrategies.retryOnConflict(20, 100));
    FileMetaDataManager fileMetaDataManager = injector.getInstance(FileMetaDataManager.class);
    FileMetaDataWriter fileMetaDataWriter = new FileMetaDataWriter(datasetManager, transactional);
    LogPathIdentifier logPathIdentifier = new LogPathIdentifier(NamespaceId.DEFAULT.getNamespace(), "testApp", "testFlow");
    LocationFactory locationFactory = injector.getInstance(LocationFactory.class);
    Location location = locationFactory.create(TMP_FOLDER.newFolder().getPath()).append("/logs");
    long currentTime = System.currentTimeMillis();
    LoggingContext loggingContext = LoggingContextHelper.getLoggingContext(NamespaceId.DEFAULT.getNamespace(), "testApp", "testFlow");
    // 10 files in old format
    for (int i = 1; i <= 10; i++) {
        // i is the event time
        fileMetaDataManager.writeMetaData(loggingContext, currentTime + i, location.append("testFile" + Integer.toString(i)));
    }
    long eventTime = currentTime + 20;
    long newCurrentTime = currentTime + 100;
    // 10 files in new format
    for (int i = 1; i <= 10; i++) {
        fileMetaDataWriter.writeMetaData(logPathIdentifier, eventTime + i, newCurrentTime + i, location.append("testFileNew" + Integer.toString(i)));
    }
    // reader test
    FileMetaDataReader fileMetadataReader = injector.getInstance(FileMetaDataReader.class);
    // scan only in old files time range
    List<LogLocation> locations = fileMetadataReader.listFiles(logPathIdentifier, currentTime + 2, currentTime + 6);
    // should include files from currentTime (1..6)
    Assert.assertEquals(6, locations.size());
    for (LogLocation logLocation : locations) {
        Assert.assertEquals(LogLocation.VERSION_0, logLocation.getFrameworkVersion());
    }
    // scan only in new files time range
    locations = fileMetadataReader.listFiles(logPathIdentifier, eventTime + 2, eventTime + 6);
    // should include files from currentTime (1..6)
    Assert.assertEquals(6, locations.size());
    for (LogLocation logLocation : locations) {
        Assert.assertEquals(LogLocation.VERSION_1, logLocation.getFrameworkVersion());
    }
    // scan time range across formats
    locations = fileMetadataReader.listFiles(logPathIdentifier, currentTime + 2, eventTime + 6);
    // should include files from old range (1..10) and new range (1..6)
    Assert.assertEquals(16, locations.size());
    for (int i = 0; i < locations.size(); i++) {
        if (i < 10) {
            Assert.assertEquals(LogLocation.VERSION_0, locations.get(i).getFrameworkVersion());
            Assert.assertEquals(location.append("testFile" + Integer.toString(i + 1)), locations.get(i).getLocation());
        } else {
            Assert.assertEquals(LogLocation.VERSION_1, locations.get(i).getFrameworkVersion());
            Assert.assertEquals(location.append("testFileNew" + Integer.toString(i - 9)), locations.get(i).getLocation());
        }
    }
}

Example 5 with FileMetaDataReader

use of co.cask.cdap.logging.meta.FileMetaDataReader in project cdap by caskdata.

the class CDAPLogAppenderTest method testCDAPLogAppenderSizeBasedRotation.

@Test
public void testCDAPLogAppenderSizeBasedRotation() throws Exception {
    int syncInterval = 1024 * 1024;
    FileMetaDataReader fileMetaDataReader = injector.getInstance(FileMetaDataReader.class);
    CDAPLogAppender cdapLogAppender = new CDAPLogAppender();
    AppenderContext context = new LocalAppenderContext(injector.getInstance(DatasetFramework.class), injector.getInstance(TransactionSystemClient.class), injector.getInstance(LocationFactory.class), new NoOpMetricsCollectionService());
    context.start();
    cdapLogAppender.setSyncIntervalBytes(syncInterval);
    cdapLogAppender.setMaxFileLifetimeMs(TimeUnit.DAYS.toMillis(1));
    cdapLogAppender.setMaxFileSizeInBytes(500);
    cdapLogAppender.setDirPermissions("750");
    cdapLogAppender.setFilePermissions("640");
    cdapLogAppender.setFileRetentionDurationDays(1);
    cdapLogAppender.setLogCleanupIntervalMins(10);
    cdapLogAppender.setFileCleanupTransactionTimeout(30);
    cdapLogAppender.setContext(context);
    cdapLogAppender.start();
    Map<String, String> properties = new HashMap<>();
    properties.put(NamespaceLoggingContext.TAG_NAMESPACE_ID, "testSizeRotation");
    properties.put(ApplicationLoggingContext.TAG_APPLICATION_ID, "testApp");
    properties.put(FlowletLoggingContext.TAG_FLOW_ID, "testFlow");
    properties.put(FlowletLoggingContext.TAG_FLOWLET_ID, "testFlowlet");
    long currentTimeMillisEvent1 = System.currentTimeMillis();
    LoggingEvent event1 = getLoggingEvent("co.cask.Test1", (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME), Level.ERROR, "test message 1", properties);
    event1.setTimeStamp(currentTimeMillisEvent1);
    cdapLogAppender.doAppend(event1);
    // sync updates the file size
    cdapLogAppender.sync();
    long currentTimeMillisEvent2 = System.currentTimeMillis();
    LoggingEvent event2 = getLoggingEvent("co.cask.Test2", (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME), Level.ERROR, "test message 2", properties);
    event2.setTimeStamp(currentTimeMillisEvent2);
    // one new append, we will rotate to new file as the file size limit is very low and last append exceeded that.
    cdapLogAppender.doAppend(event2);
    cdapLogAppender.stop();
    context.stop();
    try {
        List<LogLocation> files = fileMetaDataReader.listFiles(cdapLogAppender.getLoggingPath(properties), 0, Long.MAX_VALUE);
        Assert.assertEquals(2, files.size());
        assertLogEventDetails(event1, files.get(0));
        assertLogEventDetails(event2, files.get(1));
        Assert.assertEquals(currentTimeMillisEvent1, files.get(0).getEventTimeMs());
        Assert.assertEquals(currentTimeMillisEvent2, files.get(1).getEventTimeMs());
        Assert.assertTrue(files.get(0).getFileCreationTimeMs() >= currentTimeMillisEvent1);
        Assert.assertTrue(files.get(1).getFileCreationTimeMs() >= currentTimeMillisEvent2);
    } catch (Exception e) {
        Assert.fail();
    }
}