Examples with LogPipelineSpecification io.cdap.cdap.logging.framework.LogPipelineSpecification used on opensource projects

Example 1 with LogPipelineSpecification

use of io.cdap.cdap.logging.framework.LogPipelineSpecification in project cdap by caskdata.

the class LogBufferService method loadLogPipelines.

/**
 * Load log buffer pipelines.
 */
@SuppressWarnings("unchecked")
private List<LogBufferProcessorPipeline> loadLogPipelines() {
    Map<String, LogPipelineSpecification<AppenderContext>> specs = new LogPipelineLoader(cConf).load(contextProvider);
    int pipelineCount = specs.size();
    List<LogBufferProcessorPipeline> bufferPipelines = new ArrayList<>();
    // Create one LogBufferProcessorPipeline per spec
    for (LogPipelineSpecification<AppenderContext> pipelineSpec : specs.values()) {
        CConfiguration cConf = pipelineSpec.getConf();
        AppenderContext context = pipelineSpec.getContext();
        long bufferSize = getBufferSize(pipelineCount, cConf);
        LogBufferPipelineConfig config = new LogBufferPipelineConfig(bufferSize, cConf.getLong(Constants.Logging.PIPELINE_EVENT_DELAY_MS), cConf.getLong(Constants.Logging.PIPELINE_CHECKPOINT_INTERVAL_MS), cConf.getLong(Constants.LogBuffer.LOG_BUFFER_PIPELINE_BATCH_SIZE, 1000));
        CheckpointManager checkpointManager = checkpointManagerFactory.create(pipelineSpec.getCheckpointPrefix(), CheckpointManagerFactory.Type.LOG_BUFFER);
        LogBufferProcessorPipeline pipeline = new LogBufferProcessorPipeline(new LogProcessorPipelineContext(cConf, context.getName(), context, context.getMetricsContext(), context.getInstanceId()), config, checkpointManager, 0);
        RetryStrategy retryStrategy = RetryStrategies.fromConfiguration(cConf, "system.log.process.");
        pipelines.add(new RetryOnStartFailureService(() -> pipeline, retryStrategy));
        bufferPipelines.add(pipeline);
        checkpointManagers.add(checkpointManager);
    }
    return bufferPipelines;
}

Example 2 with LogPipelineSpecification

use of io.cdap.cdap.logging.framework.LogPipelineSpecification in project cdap by caskdata.

the class LocalLogAppender method start.

@Override
public void start() {
    // Load and starts all configured log processing pipelines
    LogPipelineLoader pipelineLoader = new LogPipelineLoader(cConf);
    Map<String, LogPipelineSpecification<AppenderContext>> specs = pipelineLoader.load(() -> new LocalAppenderContext(transactionRunner, locationFactory, metricsCollectionService));
    // Use the event delay as the sync interval
    long syncIntervalMillis = cConf.getLong(Constants.Logging.PIPELINE_EVENT_DELAY_MS);
    List<LocalLogProcessorPipeline> pipelines = new ArrayList<>();
    Set<Thread> pipelineThreads = Collections.newSetFromMap(new IdentityHashMap<>());
    for (LogPipelineSpecification<AppenderContext> spec : specs.values()) {
        LogProcessorPipelineContext context = new LogProcessorPipelineContext(cConf, spec.getName(), spec.getContext(), spec.getContext().getMetricsContext(), spec.getContext().getInstanceId());
        LocalLogProcessorPipeline pipeline = new LocalLogProcessorPipeline(context, syncIntervalMillis);
        pipeline.startAndWait();
        pipelineThreads.add(pipeline.getAppenderThread());
        pipelines.add(pipeline);
    }
    this.pipelines.getAndSet(pipelines).forEach(LocalLogProcessorPipeline::stopAndWait);
    this.pipelineThreads.set(pipelineThreads);
    super.start();
}

Example 3 with LogPipelineSpecification

use of io.cdap.cdap.logging.framework.LogPipelineSpecification in project cdap by caskdata.

the class DistributedLogFramework method createService.

@Override
@SuppressWarnings("unchecked")
protected Service createService(Set<Integer> partitions) {
    Map<String, LogPipelineSpecification<AppenderContext>> specs = new LogPipelineLoader(cConf).load(contextProvider);
    int pipelineCount = specs.size();
    // Create one KafkaLogProcessorPipeline per spec
    final List<Service> pipelines = new ArrayList<>();
    for (final LogPipelineSpecification<AppenderContext> pipelineSpec : specs.values()) {
        final CConfiguration cConf = pipelineSpec.getConf();
        final AppenderContext context = pipelineSpec.getContext();
        long bufferSize = getBufferSize(pipelineCount, cConf, partitions.size());
        final String topic = cConf.get(Constants.Logging.KAFKA_TOPIC);
        final KafkaPipelineConfig config = new KafkaPipelineConfig(topic, partitions, bufferSize, cConf.getLong(Constants.Logging.PIPELINE_EVENT_DELAY_MS), cConf.getInt(Constants.Logging.PIPELINE_KAFKA_FETCH_SIZE), cConf.getLong(Constants.Logging.PIPELINE_CHECKPOINT_INTERVAL_MS));
        RetryStrategy retryStrategy = RetryStrategies.fromConfiguration(cConf, "system.log.process.");
        pipelines.add(new RetryOnStartFailureService(() -> new KafkaLogProcessorPipeline(new LogProcessorPipelineContext(cConf, context.getName(), context, context.getMetricsContext(), context.getInstanceId()), checkpointManagerFactory.create(pipelineSpec.getCheckpointPrefix() + topic, CheckpointManagerFactory.Type.KAFKA), brokerService, config), retryStrategy));
    }
    // Returns a Service that start/stop all pipelines.
    return new AbstractIdleService() {

        @Override
        protected void startUp() throws Exception {
            // Starts all pipeline
            validateAllFutures(Iterables.transform(pipelines, Service::start));
        }

        @Override
        protected void shutDown() throws Exception {
            // Stops all pipeline
            validateAllFutures(Iterables.transform(pipelines, Service::stop));
        }
    };
}