Examples with Message org.apache.mesos.v1.scheduler.Protos.Event.Message used on opensource projects

Example 1 with Message

use of org.apache.mesos.v1.scheduler.Protos.Event.Message in project Singularity by HubSpot.

the class SingularityMesosSchedulerClient method frameworkMessage.

/**
 * Sent by the scheduler to send arbitrary binary data to the executor. Mesos neither interprets this data nor
 * makes any guarantees about the delivery of this message to the executor. data is raw bytes encoded in Base64.
 *
 * @param executorId
 * @param agentId
 * @param data
 */
public void frameworkMessage(ExecutorID executorId, AgentID agentId, byte[] data) {
    Builder message = build().setMessage(Message.newBuilder().setAgentId(agentId).setExecutorId(executorId).setData(ByteString.copyFrom(data)));
    sendCall(message, Type.MESSAGE);
}

Example 2 with Message

use of org.apache.mesos.v1.scheduler.Protos.Event.Message in project Singularity by HubSpot.

the class SingularityMesosSchedulerClient method connect.

/**
 * Sets up the connection and is blocking in wait for calls from mesos
 * master.
 */
private void connect(URI mesosMasterURI, FrameworkInfo frameworkInfo, SingularityMesosScheduler scheduler) throws URISyntaxException {
    MesosClientBuilder<Call, Event> clientBuilder = ProtobufMesosClientBuilder.schedulerUsingProtos().mesosUri(mesosMasterURI).applicationUserAgentEntry(UserAgentEntries.userAgentEntryForMavenArtifact("com.hubspot.singularity", "SingularityService")).onBackpressureBuffer(scheduler.getEventBufferSize(), () -> {
        String message = String.format("Overflow of event buffer (%s), singularity could not keep up!", scheduler.getEventBufferSize());
        scheduler.onUncaughtException(new EventBufferOverflowException(message));
    }, BackpressureOverflow.ON_OVERFLOW_ERROR);
    Call subscribeCall = Call.newBuilder().setType(Call.Type.SUBSCRIBE).setFrameworkId(frameworkInfo.getId()).setSubscribe(Call.Subscribe.newBuilder().setFrameworkInfo(frameworkInfo).build()).build();
    MesosClientBuilder<Call, Event> subscribe = clientBuilder.subscribe(subscribeCall);
    subscribe.processStream(unicastEvents -> {
        final Observable<Event> events = unicastEvents.share();
        events.filter(event -> event.getType() == Event.Type.ERROR).map(event -> event.getError().getMessage()).subscribe(scheduler::error, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.FAILURE).map(Event::getFailure).subscribe(scheduler::failure, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.HEARTBEAT).subscribe(scheduler::heartbeat, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.INVERSE_OFFERS).map(event -> event.getInverseOffers().getInverseOffersList()).subscribe(scheduler::inverseOffers, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.MESSAGE).map(Event::getMessage).subscribe(scheduler::message, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.OFFERS).map(event -> event.getOffers().getOffersList()).subscribe(scheduler::resourceOffers, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.RESCIND).map(event -> event.getRescind().getOfferId()).subscribe(scheduler::rescind, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.RESCIND_INVERSE_OFFER).map(event -> event.getRescindInverseOffer().getInverseOfferId()).subscribe(scheduler::rescindInverseOffer, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.SUBSCRIBED).map(Event::getSubscribed).subscribe(subscribed -> {
            this.frameworkId = subscribed.getFrameworkId();
            scheduler.subscribed(subscribed);
        }, scheduler::onUncaughtException);
        events.filter(event -> event.getType() == Event.Type.UPDATE).map(event -> event.getUpdate().getStatus()).filter(status -> {
            if (!status.hasAgentId() || !status.getAgentId().hasValue()) {
                LOG.warn("Filtering out status update without agentId {}", status);
                return false;
            } else {
                return true;
            }
        }).subscribe(scheduler::statusUpdate, scheduler::onUncaughtException);
        // This is the observable that is responsible for sending calls to mesos master.
        PublishSubject<Optional<SinkOperation<Call>>> p = PublishSubject.create();
        // toSerialised handles the fact that we can add calls on different threads.
        publisher = p.toSerialized();
        return publisher;
    });
    MesosClient<Call, Event> client = clientBuilder.build();
    openStream = client.openStream();
    try {
        openStream.await();
    } catch (Throwable t) {
        LOG.error("Observable was unexpectedly closed", t);
        scheduler.onConnectException(t);
    }
}

Example 3 with Message

use of org.apache.mesos.v1.scheduler.Protos.Event.Message in project Singularity by HubSpot.

the class SingularityMesosSchedulerImpl method message.

@Override
public void message(Message message) {
    ExecutorID executorID = message.getExecutorId();
    AgentID slaveId = message.getAgentId();
    byte[] data = message.getData().toByteArray();
    LOG.info("Framework message from executor {} on slave {} with {} bytes of data", executorID, slaveId, data.length);
    messageHandler.handleMessage(executorID, slaveId, data);
}