Examples with EventPropagationTrace com.netflix.titus.common.util.event.EventPropagationTrace used on opensource projects

Example 1 with EventPropagationTrace

use of com.netflix.titus.common.util.event.EventPropagationTrace in project titus-control-plane by Netflix.

the class ObserveJobsCommand method executeOnce.

private void executeOnce(Flux<JobManagerEvent<?>> events, JobEventPropagationMetrics metrics, boolean printLatency, boolean printEvents, boolean snapshotOnly) throws InterruptedException {
    CountDownLatch latch = new CountDownLatch(1);
    AtomicBoolean snapshotRead = new AtomicBoolean();
    Stopwatch stopwatch = Stopwatch.createStarted();
    Disposable disposable = events.subscribe(next -> {
        if (next == JobManagerEvent.snapshotMarker()) {
            logger.info("Emitted: snapshot marker in {}ms", stopwatch.elapsed(TimeUnit.MILLISECONDS));
            snapshotRead.set(true);
            if (snapshotOnly) {
                latch.countDown();
            }
        } else if (next instanceof JobUpdateEvent) {
            Job<?> job = ((JobUpdateEvent) next).getCurrent();
            if (printEvents) {
                logger.info("Emitted job update: jobId={}({}), jobState={}, version={}", job.getId(), next.isArchived() ? "archived" : job.getStatus().getState(), job.getStatus(), job.getVersion());
            }
            Optional<EventPropagationTrace> trace = metrics.recordJob(((JobUpdateEvent) next).getCurrent(), !snapshotRead.get());
            if (printLatency) {
                trace.ifPresent(t -> {
                    logger.info("Event propagation data: stages={}", t);
                });
            }
        } else if (next instanceof TaskUpdateEvent) {
            Task task = ((TaskUpdateEvent) next).getCurrent();
            if (printEvents) {
                logger.info("Emitted task update: jobId={}({}), taskId={}, taskState={}, version={}", task.getJobId(), next.isArchived() ? "archived" : task.getStatus().getState(), task.getId(), task.getStatus(), task.getVersion());
            }
            Optional<EventPropagationTrace> trace = metrics.recordTask(((TaskUpdateEvent) next).getCurrent(), !snapshotRead.get());
            if (printLatency) {
                trace.ifPresent(t -> logger.info("Event propagation data: {}", t));
            }
        } else if (next instanceof JobKeepAliveEvent) {
            if (printEvents) {
                logger.info("Keep alive response: " + next);
            }
        } else {
            logger.info("Unrecognized event type: {}", next);
        }
    }, e -> {
        ErrorReports.handleReplyError("Error in the event stream", e);
        latch.countDown();
    }, () -> {
        logger.info("Event stream closed");
        latch.countDown();
    });
    latch.await();
    disposable.dispose();
}