Examples with Context io.mantisrx.runtime.Context used on opensource projects

Example 31 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class KafkaSourceTest method testKafkaSourceMultipleConsumersReadsAllMessagesFromMultiplePartitions.

@Test
public void testKafkaSourceMultipleConsumersReadsAllMessagesFromMultiplePartitions() throws InterruptedException {
    String testTopic = "testTopic" + topicNum.incrementAndGet();
    int numPartitions = 2;
    kafkaServer.createTopic(testTopic, numPartitions);
    int numMessages = 10;
    Set<Integer> outstandingMsgs = new ConcurrentSkipListSet<>();
    for (int i = 0; i < numMessages; i++) {
        ProducerRecord<String, String> keyedMessage = new ProducerRecord<>(testTopic, "{\"messageNum\":" + i + "}");
        kafkaServer.sendMessages(keyedMessage);
        outstandingMsgs.add(i);
    }
    KafkaSource kafkaSource = new KafkaSource(new NoopRegistry());
    Context context = mock(Context.class);
    Parameters params = ParameterTestUtils.createParameters(KafkaSourceParameters.NUM_KAFKA_CONSUMER_PER_WORKER, 2, KafkaSourceParameters.TOPIC, testTopic, KafkaSourceParameters.PREFIX + ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest", KafkaSourceParameters.PREFIX + ConsumerConfig.GROUP_ID_CONFIG, "testKafkaConsumer-" + random.nextInt());
    when(context.getParameters()).then((Answer<Parameters>) invocation -> params);
    when(context.getWorkerInfo()).then((Answer<WorkerInfo>) invocation -> new WorkerInfo("testJobName", "testJobName-1", 1, 0, 1, MantisJobDurationType.Perpetual, "1.1.1.1"));
    when(context.getJobId()).then((Answer<String>) invocation -> "testJobName-1");
    Index index = new Index(0, 10);
    Observable<Observable<KafkaAckable>> sourceObs = kafkaSource.call(context, index);
    final CountDownLatch latch = new CountDownLatch(numMessages);
    final Map<Integer, Integer> lastMessageNumByConsumerId = new ConcurrentHashMap<>();
    sourceObs.flatMap(kafkaAckableObs -> kafkaAckableObs).map(kafkaAckable -> {
        Optional<Map<String, Object>> parsedEvent = kafkaAckable.getKafkaData().getParsedEvent();
        assertTrue(parsedEvent.isPresent());
        Integer messageNum = (Integer) parsedEvent.get().get("messageNum");
        assertTrue(outstandingMsgs.contains(messageNum));
        outstandingMsgs.remove(messageNum);
        int mantisKafkaConsumerId = kafkaAckable.getKafkaData().getMantisKafkaConsumerId();
        lastMessageNumByConsumerId.putIfAbsent(mantisKafkaConsumerId, -1);
        // assert consumption of higher message numbers across consumer instances
        assertTrue(messageNum > lastMessageNumByConsumerId.get(mantisKafkaConsumerId));
        lastMessageNumByConsumerId.put(mantisKafkaConsumerId, messageNum);
        LOGGER.info("got message on topic {} consumer id {}", parsedEvent.get(), mantisKafkaConsumerId);
        kafkaAckable.ack();
        latch.countDown();
        return parsedEvent;
    }).doOnError(t -> {
        LOGGER.error("caught unexpected exception", t);
        fail("test failed due to unexpected error " + t.getMessage());
    }).subscribe();
    assertTrue("timed out waiting to get all messages from Kafka", latch.await(10, TimeUnit.SECONDS));
    assertEquals(0, outstandingMsgs.size());
    assertTrue(lastMessageNumByConsumerId.keySet().size() == 2);
    lastMessageNumByConsumerId.keySet().forEach(consumerId -> {
        assertTrue(lastMessageNumByConsumerId.get(consumerId) >= 0);
    });
    kafkaServer.deleteTopic(testTopic);
}

Example 32 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class MantisKafkaSourceConfigTest method testDefaultConsumerConfig.

@Test
public void testDefaultConsumerConfig() {
    Context context = mock(Context.class);
    Parameters params = ParameterTestUtils.createParameters(KafkaSourceParameters.TOPIC, "testTopic");
    when(context.getParameters()).then((Answer<Parameters>) invocation -> params);
    MantisKafkaSourceConfig mantisKafkaSourceConfig = new MantisKafkaSourceConfig(context);
    assertEquals(MantisKafkaSourceConfig.DEFAULT_CONSUMER_POLL_TIMEOUT_MS, mantisKafkaSourceConfig.getConsumerPollTimeoutMs());
    assertEquals(CheckpointStrategyOptions.NONE, mantisKafkaSourceConfig.getCheckpointStrategy());
    assertEquals(MantisKafkaConsumerConfig.DEFAULT_CHECKPOINT_INTERVAL_MS, mantisKafkaSourceConfig.getCheckpointIntervalMs());
    assertEquals(MantisKafkaSourceConfig.DEFAULT_MAX_BYTES_IN_PROCESSING, mantisKafkaSourceConfig.getMaxBytesInProcessing());
    assertEquals(ParserType.SIMPLE_JSON.getPropName(), mantisKafkaSourceConfig.getMessageParserType());
    assertEquals(MantisKafkaSourceConfig.DEFAULT_NUM_KAFKA_CONSUMER_PER_WORKER, mantisKafkaSourceConfig.getNumConsumerInstances());
    assertEquals(MantisKafkaSourceConfig.DEFAULT_PARSE_MSG_IN_SOURCE, mantisKafkaSourceConfig.getParseMessageInSource());
    assertEquals(MantisKafkaSourceConfig.DEFAULT_RETRY_CHECKPOINT_CHECK_DELAY_MS, mantisKafkaSourceConfig.getRetryCheckpointCheckDelayMs());
    assertEquals(MantisKafkaSourceConfig.DEFAULT_ENABLE_STATIC_PARTITION_ASSIGN, mantisKafkaSourceConfig.getStaticPartitionAssignmentEnabled());
    assertEquals(Optional.empty(), mantisKafkaSourceConfig.getTopicPartitionCounts());
    assertEquals(Arrays.asList("testTopic"), mantisKafkaSourceConfig.getTopics());
}

Example 33 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class KafkaSourceTest method testKafkaSourceSingleConsumerHandlesMessageParseFailures.

@Test
public void testKafkaSourceSingleConsumerHandlesMessageParseFailures() throws InterruptedException {
    String testTopic = "testTopic" + topicNum.incrementAndGet();
    int numPartitions = 1;
    kafkaServer.createTopic(testTopic, numPartitions);
    int numMessages = 10;
    for (int i = 0; i < numMessages; i++) {
        ProducerRecord<String, String> keyedMessage = new ProducerRecord<>(testTopic, "{\"messageNum\":" + i + "}");
        kafkaServer.sendMessages(keyedMessage);
        ProducerRecord<String, String> invalidJsonMessage = new ProducerRecord<>(testTopic, "{\"messageNum:" + i + "}");
        kafkaServer.sendMessages(invalidJsonMessage);
    }
    KafkaSource kafkaSource = new KafkaSource(new NoopRegistry());
    Context context = mock(Context.class);
    Parameters params = ParameterTestUtils.createParameters(KafkaSourceParameters.TOPIC, testTopic, KafkaSourceParameters.PREFIX + ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest", KafkaSourceParameters.PREFIX + ConsumerConfig.GROUP_ID_CONFIG, "testKafkaConsumer-" + random.nextInt());
    when(context.getParameters()).then((Answer<Parameters>) invocation -> params);
    when(context.getWorkerInfo()).then((Answer<WorkerInfo>) invocation -> new WorkerInfo("testJobName", "testJobName-1", 1, 0, 1, MantisJobDurationType.Perpetual, "1.1.1.1"));
    when(context.getJobId()).then((Answer<String>) invocation -> "testJobName-1");
    Index index = new Index(0, 10);
    Observable<Observable<KafkaAckable>> sourceObs = kafkaSource.call(context, index);
    final CountDownLatch latch = new CountDownLatch(numMessages);
    final AtomicInteger counter = new AtomicInteger(0);
    sourceObs.flatMap(kafkaAckableObs -> kafkaAckableObs).map(kafkaAckable -> {
        Optional<Map<String, Object>> parsedEvent = kafkaAckable.getKafkaData().getParsedEvent();
        assertTrue(parsedEvent.isPresent());
        assertEquals(counter.getAndIncrement(), parsedEvent.get().get("messageNum"));
        LOGGER.info("got message on topic {} consumer Id {}", parsedEvent.get(), kafkaAckable.getKafkaData().getMantisKafkaConsumerId());
        kafkaAckable.ack();
        latch.countDown();
        return parsedEvent;
    }).subscribe();
    assertTrue("timed out waiting to get all messages from Kafka", latch.await(30, TimeUnit.SECONDS));
    kafkaServer.deleteTopic(testTopic);
}

Example 34 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class KafkaSourceTest method testKafkaSourceMultipleConsumersStaticPartitionAssignment.

@Test
public void testKafkaSourceMultipleConsumersStaticPartitionAssignment() throws InterruptedException {
    String testTopic = "testTopic" + topicNum.incrementAndGet();
    int numConsumers = 3;
    int numPartitions = 3;
    kafkaServer.createTopic(testTopic, numPartitions);
    int numMessages = 10;
    Set<Integer> outstandingMsgs = new ConcurrentSkipListSet<>();
    for (int i = 0; i < numMessages; i++) {
        ProducerRecord<String, String> keyedMessage = new ProducerRecord<>(testTopic, "{\"messageNum\":" + i + "}");
        kafkaServer.sendMessages(keyedMessage);
        outstandingMsgs.add(i);
    }
    KafkaSource kafkaSource = new KafkaSource(new NoopRegistry());
    Context context = mock(Context.class);
    Parameters params = ParameterTestUtils.createParameters(KafkaSourceParameters.NUM_KAFKA_CONSUMER_PER_WORKER, numConsumers, KafkaSourceParameters.TOPIC, testTopic, KafkaSourceParameters.ENABLE_STATIC_PARTITION_ASSIGN, true, KafkaSourceParameters.TOPIC_PARTITION_COUNTS, testTopic + ":" + numPartitions, KafkaSourceParameters.PREFIX + ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest", KafkaSourceParameters.PREFIX + ConsumerConfig.GROUP_ID_CONFIG, "testKafkaConsumer-" + random.nextInt());
    when(context.getParameters()).then((Answer<Parameters>) invocation -> params);
    when(context.getWorkerInfo()).then((Answer<WorkerInfo>) invocation -> new WorkerInfo("testJobName", "testJobName-1", 1, 0, 1, MantisJobDurationType.Perpetual, "1.1.1.1"));
    when(context.getJobId()).then((Answer<String>) invocation -> "testJobName-1");
    // Force all consumer instances to be created on same JVM by setting total number of workers for this job to 1
    int totalNumWorkerForJob = 1;
    Index index = new Index(0, totalNumWorkerForJob);
    Observable<Observable<KafkaAckable>> sourceObs = kafkaSource.call(context, index);
    final CountDownLatch latch = new CountDownLatch(numMessages);
    final Map<Integer, Integer> lastMessageNumByConsumerId = new ConcurrentHashMap<>();
    sourceObs.flatMap(kafkaAckableObs -> kafkaAckableObs).map(kafkaAckable -> {
        Optional<Map<String, Object>> parsedEvent = kafkaAckable.getKafkaData().getParsedEvent();
        assertTrue(parsedEvent.isPresent());
        Integer messageNum = (Integer) parsedEvent.get().get("messageNum");
        assertTrue(outstandingMsgs.contains(messageNum));
        outstandingMsgs.remove(messageNum);
        int mantisKafkaConsumerId = kafkaAckable.getKafkaData().getMantisKafkaConsumerId();
        lastMessageNumByConsumerId.putIfAbsent(mantisKafkaConsumerId, -1);
        // assert consumption of higher message numbers across consumer instances
        assertTrue(messageNum > lastMessageNumByConsumerId.get(mantisKafkaConsumerId));
        lastMessageNumByConsumerId.put(mantisKafkaConsumerId, messageNum);
        LOGGER.info("got message on topic {} consumer id {}", parsedEvent.get(), mantisKafkaConsumerId);
        kafkaAckable.ack();
        latch.countDown();
        return parsedEvent;
    }).doOnError(t -> {
        LOGGER.error("caught unexpected exception", t);
        fail("test failed due to unexpected error " + t.getMessage());
    }).subscribe();
    assertTrue("timed out waiting to get all messages from Kafka", latch.await(10, TimeUnit.SECONDS));
    assertEquals(0, outstandingMsgs.size());
    assertTrue(lastMessageNumByConsumerId.keySet().size() == numConsumers);
    lastMessageNumByConsumerId.keySet().forEach(consumerId -> {
        assertTrue(lastMessageNumByConsumerId.get(consumerId) >= 0);
    });
    kafkaServer.deleteTopic(testTopic);
}

Example 35 with Context

use of io.mantisrx.runtime.Context in project mantis by Netflix.

the class SourceSink method call.

@Override
public void call(Context context, PortRequest portRequest, Observable<String> observable) {
    observable = observable.filter(t1 -> !t1.isEmpty());
    ServerSentEventsSink<String> sink = new ServerSentEventsSink.Builder<String>().withEncoder(data -> data).withPredicate(new Predicate<>("description", new EventFilter(clientId))).withRequestPreprocessor(preProcessor).withRequestPostprocessor(postProcessor).build();
    observable.subscribe();
    sink.call(context, portRequest, observable);
}