Examples with FileLogReader co.cask.cdap.logging.read.FileLogReader used on opensource projects

Example 1 with FileLogReader

use of co.cask.cdap.logging.read.FileLogReader in project cdap by caskdata.

the class LocalLogAppenderResilientTest method testResilientLogging.

@Test
public void testResilientLogging() throws Exception {
    Configuration hConf = new Configuration();
    CConfiguration cConf = CConfiguration.create();
    File datasetDir = new File(tmpFolder.newFolder(), "datasetUser");
    //noinspection ResultOfMethodCallIgnored
    datasetDir.mkdirs();
    cConf.set(Constants.Dataset.Manager.OUTPUT_DIR, datasetDir.getAbsolutePath());
    cConf.set(Constants.Service.MASTER_SERVICES_BIND_ADDRESS, "localhost");
    cConf.set(Constants.Dataset.Executor.ADDRESS, "localhost");
    cConf.setInt(Constants.Dataset.Executor.PORT, Networks.getRandomPort());
    cConf.set(Constants.CFG_LOCAL_DATA_DIR, tmpFolder.newFolder().getAbsolutePath());
    Injector injector = Guice.createInjector(new ConfigModule(cConf, hConf), new IOModule(), new ZKClientModule(), new KafkaClientModule(), new DiscoveryRuntimeModule().getInMemoryModules(), new NonCustomLocationUnitTestModule().getModule(), new DataFabricModules().getInMemoryModules(), new DataSetsModules().getStandaloneModules(), new DataSetServiceModules().getInMemoryModules(), new TransactionMetricsModule(), new ExploreClientModule(), new LoggingModules().getInMemoryModules(), new NamespaceClientRuntimeModule().getInMemoryModules(), new AuthorizationTestModule(), new AuthorizationEnforcementModule().getInMemoryModules(), new AuthenticationContextModules().getMasterModule(), new AbstractModule() {

        @Override
        protected void configure() {
            bind(UGIProvider.class).to(UnsupportedUGIProvider.class);
            bind(OwnerAdmin.class).to(NoOpOwnerAdmin.class);
        }
    });
    TransactionManager txManager = injector.getInstance(TransactionManager.class);
    txManager.startAndWait();
    DatasetOpExecutorService opExecutorService = injector.getInstance(DatasetOpExecutorService.class);
    opExecutorService.startAndWait();
    // Start the logging before starting the service.
    LoggingContextAccessor.setLoggingContext(new FlowletLoggingContext("TRL_ACCT_1", "APP_1", "FLOW_1", "FLOWLET_1", "RUN", "INSTANCE"));
    String logBaseDir = "trl-log/log_files_" + new Random(System.currentTimeMillis()).nextLong();
    cConf.set(LoggingConfiguration.LOG_BASE_DIR, logBaseDir);
    cConf.setInt(LoggingConfiguration.LOG_MAX_FILE_SIZE_BYTES, 20 * 1024);
    final LogAppender appender = injector.getInstance(LocalLogAppender.class);
    new LogAppenderInitializer(appender).initialize("TestResilientLogging");
    int failureMsgCount = 3;
    final CountDownLatch failureLatch = new CountDownLatch(failureMsgCount);
    LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
    loggerContext.getStatusManager().add(new StatusListener() {

        @Override
        public void addStatusEvent(Status status) {
            if (status.getLevel() != Status.ERROR || status.getOrigin() != appender) {
                return;
            }
            Throwable cause = status.getThrowable();
            if (cause != null) {
                Throwable rootCause = Throwables.getRootCause(cause);
                if (rootCause instanceof ServiceUnavailableException) {
                    String serviceName = ((ServiceUnavailableException) rootCause).getServiceName();
                    if (Constants.Service.DATASET_MANAGER.equals(serviceName)) {
                        failureLatch.countDown();
                    }
                }
            }
        }
    });
    Logger logger = LoggerFactory.getLogger("TestResilientLogging");
    for (int i = 0; i < failureMsgCount; ++i) {
        Exception e1 = new Exception("Test Exception1");
        Exception e2 = new Exception("Test Exception2", e1);
        logger.warn("Test log message " + i + " {} {}", "arg1", "arg2", e2);
    }
    // Wait for the three failure to append to happen
    // The wait time has to be > 3 seconds because DatasetServiceClient has 1 second timeout on discovery
    failureLatch.await(5, TimeUnit.SECONDS);
    // Start dataset service, wait for it to be discoverable
    DatasetService dsService = injector.getInstance(DatasetService.class);
    dsService.startAndWait();
    final CountDownLatch startLatch = new CountDownLatch(1);
    DiscoveryServiceClient discoveryClient = injector.getInstance(DiscoveryServiceClient.class);
    discoveryClient.discover(Constants.Service.DATASET_MANAGER).watchChanges(new ServiceDiscovered.ChangeListener() {

        @Override
        public void onChange(ServiceDiscovered serviceDiscovered) {
            if (!Iterables.isEmpty(serviceDiscovered)) {
                startLatch.countDown();
            }
        }
    }, Threads.SAME_THREAD_EXECUTOR);
    startLatch.await(5, TimeUnit.SECONDS);
    // Do some more logging after the service is started.
    for (int i = 5; i < 10; ++i) {
        Exception e1 = new Exception("Test Exception1");
        Exception e2 = new Exception("Test Exception2", e1);
        logger.warn("Test log message " + i + " {} {}", "arg1", "arg2", e2);
    }
    appender.stop();
    // Verify - we should have at least 5 events.
    LoggingContext loggingContext = new FlowletLoggingContext("TRL_ACCT_1", "APP_1", "FLOW_1", "", "RUN", "INSTANCE");
    FileLogReader logTail = injector.getInstance(FileLogReader.class);
    LoggingTester.LogCallback logCallback1 = new LoggingTester.LogCallback();
    logTail.getLogPrev(loggingContext, ReadRange.LATEST, 10, Filter.EMPTY_FILTER, logCallback1);
    List<LogEvent> allEvents = logCallback1.getEvents();
    Assert.assertTrue(allEvents.toString(), allEvents.size() >= 5);
    // Finally - stop all services
    Services.chainStop(dsService, opExecutorService, txManager);
}

Example 2 with FileLogReader

use of co.cask.cdap.logging.read.FileLogReader in project cdap by caskdata.

the class TestFileLogging method testGetLogPrev.

@Test
public void testGetLogPrev() throws Exception {
    LoggingContext loggingContext = new FlowletLoggingContext("TFL_NS_1", "APP_1", "FLOW_1", "", "RUN1", "INSTANCE1");
    FileLogReader logReader = injector.getInstance(FileLogReader.class);
    LoggingTester tester = new LoggingTester();
    tester.testGetPrev(logReader, loggingContext);
}

Example 3 with FileLogReader

use of co.cask.cdap.logging.read.FileLogReader in project cdap by caskdata.

the class TestFileLogging method testGetLogNext.

@Test
public void testGetLogNext() throws Exception {
    LoggingContext loggingContext = new FlowletLoggingContext("TFL_NS_1", "APP_1", "FLOW_1", "", "RUN1", "INSTANCE1");
    FileLogReader logReader = injector.getInstance(FileLogReader.class);
    LoggingTester tester = new LoggingTester();
    tester.testGetNext(logReader, loggingContext);
}

Example 4 with FileLogReader

use of co.cask.cdap.logging.read.FileLogReader in project cdap by caskdata.

the class TestFileLogging method testGetLog.

@Test
public void testGetLog() throws Exception {
    // LogReader.getLog is tested in LogSaverTest for distributed mode
    LoggingContext loggingContext = new FlowletLoggingContext("TFL_NS_1", "APP_1", "FLOW_1", "", "RUN1", "INSTANCE1");
    FileLogReader logTail = injector.getInstance(FileLogReader.class);
    LoggingTester.LogCallback logCallback1 = new LoggingTester.LogCallback();
    logTail.getLogPrev(loggingContext, ReadRange.LATEST, 60, Filter.EMPTY_FILTER, logCallback1);
    List<LogEvent> allEvents = logCallback1.getEvents();
    Assert.assertEquals(60, allEvents.size());
    List<LogEvent> events = Lists.newArrayList(logTail.getLog(loggingContext, allEvents.get(10).getLoggingEvent().getTimeStamp(), allEvents.get(15).getLoggingEvent().getTimeStamp(), Filter.EMPTY_FILTER));
    Assert.assertEquals(5, events.size());
    Assert.assertEquals(allEvents.get(10).getLoggingEvent().getFormattedMessage(), events.get(0).getLoggingEvent().getFormattedMessage());
    Assert.assertEquals(allEvents.get(14).getLoggingEvent().getFormattedMessage(), events.get(4).getLoggingEvent().getFormattedMessage());
    events = Lists.newArrayList(logTail.getLog(loggingContext, allEvents.get(0).getLoggingEvent().getTimeStamp(), allEvents.get(59).getLoggingEvent().getTimeStamp(), Filter.EMPTY_FILTER));
    Assert.assertEquals(59, events.size());
    Assert.assertEquals(allEvents.get(0).getLoggingEvent().getFormattedMessage(), events.get(0).getLoggingEvent().getFormattedMessage());
    Assert.assertEquals(allEvents.get(58).getLoggingEvent().getFormattedMessage(), events.get(58).getLoggingEvent().getFormattedMessage());
    events = Lists.newArrayList(logTail.getLog(loggingContext, allEvents.get(12).getLoggingEvent().getTimeStamp(), allEvents.get(41).getLoggingEvent().getTimeStamp(), Filter.EMPTY_FILTER));
    Assert.assertEquals(29, events.size());
    Assert.assertEquals(allEvents.get(12).getLoggingEvent().getFormattedMessage(), events.get(0).getLoggingEvent().getFormattedMessage());
    Assert.assertEquals(allEvents.get(40).getLoggingEvent().getFormattedMessage(), events.get(28).getLoggingEvent().getFormattedMessage());
    events = Lists.newArrayList(logTail.getLog(loggingContext, allEvents.get(22).getLoggingEvent().getTimeStamp(), allEvents.get(38).getLoggingEvent().getTimeStamp(), Filter.EMPTY_FILTER));
    Assert.assertEquals(16, events.size());
    Assert.assertEquals(allEvents.get(22).getLoggingEvent().getFormattedMessage(), events.get(0).getLoggingEvent().getFormattedMessage());
    Assert.assertEquals(allEvents.get(37).getLoggingEvent().getFormattedMessage(), events.get(15).getLoggingEvent().getFormattedMessage());
    events = Lists.newArrayList(logTail.getLog(loggingContext, allEvents.get(41).getLoggingEvent().getTimeStamp(), allEvents.get(59).getLoggingEvent().getTimeStamp(), Filter.EMPTY_FILTER));
    Assert.assertEquals(18, events.size());
    Assert.assertEquals(allEvents.get(41).getLoggingEvent().getFormattedMessage(), events.get(0).getLoggingEvent().getFormattedMessage());
    Assert.assertEquals(allEvents.get(58).getLoggingEvent().getFormattedMessage(), events.get(17).getLoggingEvent().getFormattedMessage());
    // Try with null run id, should get all logs for FLOW_1
    LoggingContext loggingContext1 = new FlowletLoggingContext("TFL_NS_1", "APP_1", "FLOW_1", "", null, "INSTANCE1");
    events = Lists.newArrayList(logTail.getLog(loggingContext1, 0, Long.MAX_VALUE, Filter.EMPTY_FILTER));
    Assert.assertEquals(100, events.size());
}

Example 5 with FileLogReader

use of co.cask.cdap.logging.read.FileLogReader in project cdap by caskdata.

the class TestDistributedLogReader method generateCheckpointTime.

private static void generateCheckpointTime(LoggingContext loggingContext, int numExpectedEvents, String kafkaTopic) throws Exception {
    FileLogReader logReader = injector.getInstance(FileLogReader.class);
    List<LogEvent> events = Lists.newArrayList(logReader.getLog(loggingContext, 0, Long.MAX_VALUE, Filter.EMPTY_FILTER));
    Assert.assertEquals(numExpectedEvents, events.size());
    // Save checkpoint (time of last event)
    CheckpointManagerFactory checkpointManagerFactory = injector.getInstance(CheckpointManagerFactory.class);
    CheckpointManager checkpointManager = checkpointManagerFactory.create(kafkaTopic, Constants.Logging.SYSTEM_PIPELINE_CHECKPOINT_PREFIX);
    long checkpointTime = events.get(numExpectedEvents - 1).getLoggingEvent().getTimeStamp();
    checkpointManager.saveCheckpoints(ImmutableMap.of(stringPartitioner.partition(loggingContext.getLogPartition(), -1), new Checkpoint(numExpectedEvents, checkpointTime, checkpointTime)));
}