Examples with PassThroughInterceptor org.apache.samza.system.eventhub.admin.PassThroughInterceptor used on opensource projects

Example 6 with PassThroughInterceptor

use of org.apache.samza.system.eventhub.admin.PassThroughInterceptor in project samza by apache.

the class TestEventHubSystemConsumer method testNonTransientErrorRetry.

@Test
public void testNonTransientErrorRetry() throws Exception {
    String systemName = "eventhubs";
    String streamName = "testNonTransientErrorRetry";
    // needs to be less than BLOCKING_QUEUE_SIZE
    int numEvents = 10;
    int partitionId = 0;
    TestClock testClock = new TestClock();
    TestMetricsRegistry testMetrics = new TestMetricsRegistry();
    Map<SystemStreamPartition, List<EventData>> eventData = new HashMap<>();
    SystemStreamPartition ssp = new SystemStreamPartition(systemName, streamName, new Partition(partitionId));
    Map<String, Interceptor> interceptors = new HashMap<>();
    interceptors.put(streamName, new PassThroughInterceptor());
    // create EventData
    List<EventData> singlePartitionEventData = MockEventData.generateEventData(numEvents);
    eventData.put(ssp, singlePartitionEventData);
    // Set configs
    Map<String, String> configMap = new HashMap<>();
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_LIST, systemName), streamName);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_NAMESPACE, streamName), EVENTHUB_NAMESPACE);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_KEY_NAME, streamName), EVENTHUB_KEY_NAME);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_TOKEN, streamName), EVENTHUB_KEY);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_ENTITYPATH, streamName), MOCK_ENTITY_1);
    configMap.put(String.format(EventHubConfig.CONFIG_MAX_RETRY_COUNT, systemName), "1");
    MapConfig config = new MapConfig(configMap);
    MockEventHubClientManagerFactory eventHubClientWrapperFactory = new MockEventHubClientManagerFactory(eventData);
    EventHubSystemConsumer consumer = new EventHubSystemConsumer(new EventHubConfig(config), systemName, eventHubClientWrapperFactory, interceptors, testMetrics, testClock);
    consumer.register(ssp, EventHubSystemConsumer.END_OF_STREAM);
    consumer.start();
    // 1st error should retry instead of throw
    testClock.advanceTime(System.currentTimeMillis());
    eventHubClientWrapperFactory.triggerError(consumer.streamPartitionHandlers, new EventHubException(false, /* is transient */
    "test"));
    consumer.poll(Collections.singleton(ssp), 0).get(ssp);
    // assert that the reconnect task was submitted and completed eventually
    Assert.assertNotNull("reconnect task should have been submitted", consumer.reconnectTaskStatus);
    Future lastReconnectTask = consumer.reconnectTaskStatus;
    // should return instantaneously
    lastReconnectTask.get(10000, TimeUnit.MILLISECONDS);
    Assert.assertEquals(consumer.recentRetryAttempts.size(), 1);
    // after retry should receive events normally
    testClock.advanceTime(1);
    eventHubClientWrapperFactory.sendToHandlers(consumer.streamPartitionHandlers);
    List<IncomingMessageEnvelope> result = consumer.poll(Collections.singleton(ssp), 0).get(ssp);
    verifyEvents(result, singlePartitionEventData);
    Assert.assertEquals(testMetrics.getCounters(streamName).size(), 3);
    Assert.assertEquals(testMetrics.getGauges(streamName).size(), 2);
    Map<String, Counter> counters = testMetrics.getCounters(streamName).stream().collect(Collectors.toMap(Counter::getName, Function.identity()));
    Assert.assertEquals(counters.get(EventHubSystemConsumer.EVENT_READ_RATE).getCount(), numEvents);
    // 2nd error: advance into next window, the older retry should have been evicted so this error should cause retry
    testClock.advanceTime(EventHubConfig.DEFAULT_CONFIG_RETRY_WINDOW_MS + 1);
    Assert.assertEquals(consumer.recentRetryAttempts.size(), 0);
    eventHubClientWrapperFactory.triggerError(consumer.streamPartitionHandlers, new EventHubException(false, /* is transient */
    "test"));
    consumer.poll(Collections.singleton(ssp), 0).get(ssp);
    Assert.assertNotNull("reconnect task should have been submitted", consumer.reconnectTaskStatus);
    lastReconnectTask = consumer.reconnectTaskStatus;
    // should return instantaneously
    lastReconnectTask.get(10000, TimeUnit.MILLISECONDS);
    Assert.assertEquals(consumer.recentRetryAttempts.size(), 1);
    // 3rd error: 1 ms is within the min retry interval; so poll should do nothing
    testClock.advanceTime(1);
    eventHubClientWrapperFactory.triggerError(consumer.streamPartitionHandlers, new EventHubException(false, /* is transient */
    "test"));
    consumer.poll(Collections.singleton(ssp), 0).get(ssp);
    Assert.assertEquals("there shouldn't be another retry task within min retry interval", consumer.reconnectTaskStatus, lastReconnectTask);
    // 4th error: now the poll should throw
    testClock.advanceTime(EventHubConfig.DEFAULT_CONFIG_RETRY_INTERVAL_MS + 1);
    eventHubClientWrapperFactory.triggerError(consumer.streamPartitionHandlers, new EventHubException(false, /* is transient */
    "test"));
    try {
        consumer.poll(Collections.singleton(ssp), 0).get(ssp);
        Assert.fail("poll should have thrown");
    } catch (Exception e) {
        Assert.assertEquals(e.getCause().getMessage(), "test");
    }
    Assert.assertEquals(counters.get(EventHubSystemConsumer.READ_ERRORS).getCount(), 4);
}

Example 7 with PassThroughInterceptor

use of org.apache.samza.system.eventhub.admin.PassThroughInterceptor in project samza by apache.

the class TestEventHubSystemConsumer method testSinglePartitionConsumptionHappyPath.

@Test
public void testSinglePartitionConsumptionHappyPath() throws Exception {
    String systemName = "eventhubs";
    String streamName = "testStream";
    // needs to be less than BLOCKING_QUEUE_SIZE
    int numEvents = 10;
    int partitionId = 0;
    TestMetricsRegistry testMetrics = new TestMetricsRegistry();
    Map<SystemStreamPartition, List<EventData>> eventData = new HashMap<>();
    SystemStreamPartition ssp = new SystemStreamPartition(systemName, streamName, new Partition(partitionId));
    Map<String, Interceptor> interceptors = new HashMap<>();
    interceptors.put(streamName, new PassThroughInterceptor());
    // create EventData
    List<EventData> singlePartitionEventData = MockEventData.generateEventData(numEvents);
    eventData.put(ssp, singlePartitionEventData);
    // Set configs
    Map<String, String> configMap = new HashMap<>();
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_LIST, systemName), streamName);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_NAMESPACE, streamName), EVENTHUB_NAMESPACE);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_KEY_NAME, streamName), EVENTHUB_KEY_NAME);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_TOKEN, streamName), EVENTHUB_KEY);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_ENTITYPATH, streamName), MOCK_ENTITY_1);
    MapConfig config = new MapConfig(configMap);
    MockEventHubClientManagerFactory eventHubClientWrapperFactory = new MockEventHubClientManagerFactory(eventData);
    EventHubSystemConsumer consumer = new EventHubSystemConsumer(new EventHubConfig(config), systemName, eventHubClientWrapperFactory, interceptors, testMetrics);
    consumer.register(ssp, EventHubSystemConsumer.END_OF_STREAM);
    consumer.start();
    // Mock received data from EventHub
    eventHubClientWrapperFactory.sendToHandlers(consumer.streamPartitionHandlers);
    List<IncomingMessageEnvelope> result = consumer.poll(Collections.singleton(ssp), 1000).get(ssp);
    verifyEvents(result, singlePartitionEventData);
    Assert.assertEquals(testMetrics.getCounters(streamName).size(), 3);
    Assert.assertEquals(testMetrics.getGauges(streamName).size(), 2);
    Map<String, Counter> counters = testMetrics.getCounters(streamName).stream().collect(Collectors.toMap(Counter::getName, Function.identity()));
    Assert.assertEquals(counters.get(EventHubSystemConsumer.EVENT_READ_RATE).getCount(), numEvents);
    Assert.assertEquals(counters.get(EventHubSystemConsumer.READ_ERRORS).getCount(), 0);
}

Example 8 with PassThroughInterceptor

use of org.apache.samza.system.eventhub.admin.PassThroughInterceptor in project samza by apache.

the class TestEventHubSystemConsumer method testMultiPartitionConsumptionHappyPath.

private void testMultiPartitionConsumptionHappyPath(boolean perPartitionConnection) throws Exception {
    String systemName = "eventhubs";
    String streamName = "testStream";
    // needs to be less than BLOCKING_QUEUE_SIZE
    int numEvents = 10;
    int partitionId1 = 0;
    int partitionId2 = 1;
    TestMetricsRegistry testMetrics = new TestMetricsRegistry();
    Map<SystemStreamPartition, List<EventData>> eventData = new HashMap<>();
    SystemStreamPartition ssp1 = new SystemStreamPartition(systemName, streamName, new Partition(partitionId1));
    SystemStreamPartition ssp2 = new SystemStreamPartition(systemName, streamName, new Partition(partitionId2));
    Map<String, Interceptor> interceptor = new HashMap<>();
    interceptor.put(streamName, new PassThroughInterceptor());
    // create EventData
    List<EventData> singlePartitionEventData1 = MockEventData.generateEventData(numEvents);
    List<EventData> singlePartitionEventData2 = MockEventData.generateEventData(numEvents);
    eventData.put(ssp1, singlePartitionEventData1);
    eventData.put(ssp2, singlePartitionEventData2);
    // Set configs
    Map<String, String> configMap = new HashMap<>();
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_LIST, systemName), streamName);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_ENTITYPATH, streamName), MOCK_ENTITY_1);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_NAMESPACE, streamName), EVENTHUB_NAMESPACE);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_KEY_NAME, streamName), EVENTHUB_KEY_NAME);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_TOKEN, streamName), EVENTHUB_KEY);
    configMap.put(String.format(EventHubConfig.CONFIG_PER_PARTITION_CONNECTION, systemName), String.valueOf(perPartitionConnection));
    MapConfig config = new MapConfig(configMap);
    MockEventHubClientManagerFactory eventHubClientWrapperFactory = new MockEventHubClientManagerFactory(eventData);
    EventHubSystemConsumer consumer = new EventHubSystemConsumer(new EventHubConfig(config), systemName, eventHubClientWrapperFactory, interceptor, testMetrics);
    consumer.register(ssp1, EventHubSystemConsumer.START_OF_STREAM);
    consumer.register(ssp2, EventHubSystemConsumer.START_OF_STREAM);
    consumer.start();
    // Mock received data from EventHub
    eventHubClientWrapperFactory.sendToHandlers(consumer.streamPartitionHandlers);
    Set<SystemStreamPartition> ssps = new HashSet<>();
    ssps.add(ssp1);
    ssps.add(ssp2);
    Map<SystemStreamPartition, List<IncomingMessageEnvelope>> results = consumer.poll(ssps, 1000);
    verifyEvents(results.get(ssp1), singlePartitionEventData1);
    verifyEvents(results.get(ssp2), singlePartitionEventData2);
    Assert.assertEquals(testMetrics.getCounters(streamName).size(), 3);
    Assert.assertEquals(testMetrics.getGauges(streamName).size(), 2);
    Map<String, Counter> counters = testMetrics.getCounters(streamName).stream().collect(Collectors.toMap(Counter::getName, Function.identity()));
    Assert.assertEquals(counters.get(EventHubSystemConsumer.EVENT_READ_RATE).getCount(), numEvents * 2);
    Assert.assertEquals(counters.get(EventHubSystemConsumer.READ_ERRORS).getCount(), 0);
    if (perPartitionConnection) {
        Assert.assertNotEquals("perPartitionConnection=true; SSPs should not share the same client", consumer.perPartitionEventHubManagers.get(ssp1), consumer.perPartitionEventHubManagers.get(ssp2));
    } else {
        Assert.assertEquals("perPartitionConnection=false; SSPs should share the same client", consumer.perPartitionEventHubManagers.get(ssp1), consumer.perPartitionEventHubManagers.get(ssp2));
    }
}

Example 9 with PassThroughInterceptor

use of org.apache.samza.system.eventhub.admin.PassThroughInterceptor in project samza by apache.

the class TestEventHubSystemProducer method testSendingToEventHubHashing.

@Test
public void testSendingToEventHubHashing() throws Exception {
    String systemName = "eventhubs";
    String streamName = "testStream";
    int numEvents = 10;
    String partitionId0 = "124";
    String partitionId1 = "235";
    TestMetricsRegistry testMetrics = new TestMetricsRegistry();
    Map<String, Interceptor> interceptor = new HashMap<>();
    interceptor.put(streamName, new PassThroughInterceptor());
    List<String> outgoingMessagesP0 = generateMessages(numEvents);
    List<String> outgoingMessagesP1 = generateMessages(numEvents);
    // Set configs
    Map<String, String> configMap = new HashMap<>();
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_LIST, systemName), streamName);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_NAMESPACE, streamName), EVENTHUB_NAMESPACE);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_KEY_NAME, streamName), EVENTHUB_KEY_NAME);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_SAS_TOKEN, streamName), EVENTHUB_KEY);
    configMap.put(String.format(EventHubConfig.CONFIG_STREAM_ENTITYPATH, streamName), EVENTHUB_ENTITY1);
    // mod 2 on the partitionid to simulate consistent hashing
    configMap.put(String.format(EventHubConfig.CONFIG_PRODUCER_PARTITION_METHOD, systemName), PartitioningMethod.EVENT_HUB_HASHING.toString());
    MapConfig config = new MapConfig(configMap);
    MockEventHubClientManagerFactory factory = new MockEventHubClientManagerFactory();
    EventHubSystemProducer producer = new EventHubSystemProducer(new EventHubConfig(config), systemName, factory, interceptor, testMetrics);
    SystemStream systemStream = new SystemStream(systemName, streamName);
    producer.register(SOURCE);
    producer.start();
    outgoingMessagesP0.forEach(message -> producer.send(SOURCE, new OutgoingMessageEnvelope(systemStream, partitionId0, null, message.getBytes())));
    outgoingMessagesP1.forEach(message -> producer.send(SOURCE, new OutgoingMessageEnvelope(systemStream, partitionId1, null, message.getBytes())));
    // Retrieve sent data
    List<String> receivedData0 = factory.getSentData(systemName, streamName, 0).stream().map(eventData -> new String(eventData.getBytes())).collect(Collectors.toList());
    List<String> receivedData1 = factory.getSentData(systemName, streamName, 1).stream().map(eventData -> new String(eventData.getBytes())).collect(Collectors.toList());
    Assert.assertTrue(outgoingMessagesP0.equals(receivedData0));
    Assert.assertTrue(outgoingMessagesP1.equals(receivedData1));
}