Examples with StoreRequest io.cdap.cdap.messaging.StoreRequest used on opensource projects

Example 1 with StoreRequest

use of io.cdap.cdap.messaging.StoreRequest in project cdap by caskdata.

the class ProvisionerNotifier method publish.

private void publish(Map<String, String> properties) {
    final StoreRequest storeRequest = StoreRequestBuilder.of(topic).addPayload(GSON.toJson(new Notification(Notification.Type.PROGRAM_STATUS, properties))).build();
    Retries.supplyWithRetries(() -> {
        try {
            messagingService.publish(storeRequest);
        } catch (TopicNotFoundException e) {
            throw new RetryableException(e);
        } catch (IOException | AccessException e) {
            throw Throwables.propagate(e);
        }
        return null;
    }, retryStrategy);
}

Example 2 with StoreRequest

use of io.cdap.cdap.messaging.StoreRequest in project cdap by caskdata.

the class MessagingWorkflowStateWriter method setWorkflowToken.

@Override
public void setWorkflowToken(ProgramRunId workflowRunId, WorkflowToken token) {
    MetadataMessage message = new MetadataMessage(MetadataMessage.Type.WORKFLOW_TOKEN, workflowRunId, GSON.toJsonTree(token));
    StoreRequest request = StoreRequestBuilder.of(topic).addPayload(GSON.toJson(message)).build();
    try {
        Retries.callWithRetries(() -> messagingService.publish(request), retryStrategy, Retries.ALWAYS_TRUE);
    } catch (Exception e) {
        // Don't log the workflow token, as it can be large and may contain sensitive data
        throw new RuntimeException("Failed to publish workflow token for workflow run " + workflowRunId, e);
    }
}

Example 3 with StoreRequest

use of io.cdap.cdap.messaging.StoreRequest in project cdap by caskdata.

the class MessagingMetadataPublisher method publish.

@Override
public void publish(EntityId publisher, MetadataOperation operation) {
    MetadataMessage message = new MetadataMessage(Type.METADATA_OPERATION, publisher, GSON.toJsonTree(operation));
    StoreRequest request = StoreRequestBuilder.of(topic).addPayload(GSON.toJson(message)).build();
    LOG.trace("Publishing message {} to topic {}", message, topic);
    try {
        Retries.callWithRetries(() -> messagingService.publish(request), retryStrategy, Retries.ALWAYS_TRUE);
    } catch (Exception e) {
        throw new RuntimeException("Failed to publish metadata operation: " + operation, e);
    }
}

Example 4 with StoreRequest

use of io.cdap.cdap.messaging.StoreRequest in project cdap by caskdata.

the class MessagingUsageWriter method doRegisterAll.

private void doRegisterAll(Iterable<? extends EntityId> users, EntityId entityId) throws Exception {
    // Only record usage from program
    StoreRequest request = StoreRequestBuilder.of(topic).addPayloads(StreamSupport.stream(users.spliterator(), false).filter(ProgramId.class::isInstance).map(ProgramId.class::cast).map(id -> new MetadataMessage(MetadataMessage.Type.USAGE, id, GSON.toJsonTree(new DatasetUsage(entityId)))).map(GSON::toJson).map(s -> s.getBytes(StandardCharsets.UTF_8)).iterator()).build();
    Retries.callWithRetries(() -> messagingService.publish(request), retryStrategy, Retries.ALWAYS_TRUE);
}

Example 5 with StoreRequest

use of io.cdap.cdap.messaging.StoreRequest in project cdap by caskdata.

the class ConcurrentMessageWriterTest method testMultiMaxSequence.

@Test
public void testMultiMaxSequence() throws IOException, InterruptedException {
    TopicId topicId = new NamespaceId("ns1").topic("t1");
    final TopicMetadata metadata = new TopicMetadata(topicId, new HashMap<String, String>(), 1);
    // This test the case when multiple StoreRequests combined exceeding the 65536 payload.
    // See testMaxSequence() for more details when it matters
    // Generate 3 StoreRequests, each with 43690 messages
    int msgCount = StoreRequestWriter.SEQUENCE_ID_LIMIT / 3 * 2;
    int requestCount = 3;
    List<StoreRequest> requests = new ArrayList<>();
    for (int i = 0; i < requestCount; i++) {
        List<String> payloads = new ArrayList<>(msgCount);
        for (int j = 0; j < msgCount; j++) {
            payloads.add(Integer.toString(j));
        }
        requests.add(new TestStoreRequest(topicId, payloads));
    }
    TestStoreRequestWriter testWriter = new TestStoreRequestWriter(new TimeProvider.IncrementalTimeProvider());
    // We use a custom metrics collector here to make all the persist calls reached the same latch,
    // since we know that the ConcurrentMessageWriter will emit a metrics "persist.requested" after enqueued but
    // before flushing.
    // This will make all requests batched together
    final CountDownLatch latch = new CountDownLatch(requestCount);
    final ConcurrentMessageWriter writer = new ConcurrentMessageWriter(testWriter, new MetricsCollector() {

        @Override
        public void increment(String metricName, long value) {
            if ("persist.requested".equals(metricName)) {
                latch.countDown();
                Uninterruptibles.awaitUninterruptibly(latch);
            }
        }

        @Override
        public void gauge(String metricName, long value) {
            LOG.info("MetricsContext.gauge: {} = {}", metricName, value);
        }
    });
    ExecutorService executor = Executors.newFixedThreadPool(3);
    for (final StoreRequest request : requests) {
        executor.submit(new Runnable() {

            @Override
            public void run() {
                try {
                    writer.persist(request, metadata);
                } catch (IOException e) {
                    LOG.error("Failed to persist", e);
                }
            }
        });
    }
    executor.shutdown();
    Assert.assertTrue(executor.awaitTermination(1, TimeUnit.MINUTES));
    // Validates all messages are being written
    List<RawMessage> messages = testWriter.getMessages().get(topicId);
    Assert.assertEquals(requestCount * msgCount, messages.size());
    // We expect the payload is in repeated sequence of [0..msgCount-1]
    int expectedPayload = 0;
    // The sequenceId should be (i % SEQUENCE_ID_LIMIT)
    for (int i = 0; i < messages.size(); i++) {
        RawMessage message = messages.get(i);
        MessageId messageId = new MessageId(message.getId());
        Assert.assertEquals(i / StoreRequestWriter.SEQUENCE_ID_LIMIT, messageId.getPublishTimestamp());
        Assert.assertEquals((short) (i % StoreRequestWriter.SEQUENCE_ID_LIMIT), messageId.getSequenceId());
        Assert.assertEquals(expectedPayload, Integer.parseInt(Bytes.toString(message.getPayload())));
        expectedPayload = (expectedPayload + 1) % msgCount;
    }
}