Examples with ConsumerRecord org.apache.kafka.clients.consumer.ConsumerRecord used on opensource projects

Example 26 with ConsumerRecord

use of org.apache.kafka.clients.consumer.ConsumerRecord in project apache-kafka-on-k8s by banzaicloud.

the class KafkaConfigBackingStoreTest method testBackgroundUpdateTargetState.

@Test
public void testBackgroundUpdateTargetState() throws Exception {
    // verify that we handle target state changes correctly when they come up through the log
    expectConfigure();
    List<ConsumerRecord<String, byte[]>> existingRecords = Arrays.asList(new ConsumerRecord<>(TOPIC, 0, 0, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, CONNECTOR_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(0)), new ConsumerRecord<>(TOPIC, 0, 1, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(1)), new ConsumerRecord<>(TOPIC, 0, 2, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(1), CONFIGS_SERIALIZED.get(2)), new ConsumerRecord<>(TOPIC, 0, 3, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, COMMIT_TASKS_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(3)));
    LinkedHashMap<byte[], Struct> deserialized = new LinkedHashMap<>();
    deserialized.put(CONFIGS_SERIALIZED.get(0), CONNECTOR_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(1), TASK_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(2), TASK_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(3), TASKS_COMMIT_STRUCT_TWO_TASK_CONNECTOR);
    logOffset = 5;
    expectStart(existingRecords, deserialized);
    expectRead(TARGET_STATE_KEYS.get(0), CONFIGS_SERIALIZED.get(0), TARGET_STATE_PAUSED);
    configUpdateListener.onConnectorTargetStateChange(CONNECTOR_IDS.get(0));
    EasyMock.expectLastCall();
    expectStop();
    PowerMock.replayAll();
    configStorage.setupAndCreateKafkaBasedLog(TOPIC, DEFAULT_DISTRIBUTED_CONFIG);
    configStorage.start();
    // Should see a single connector with initial state paused
    ClusterConfigState configState = configStorage.snapshot();
    assertEquals(TargetState.STARTED, configState.targetState(CONNECTOR_IDS.get(0)));
    configStorage.refresh(0, TimeUnit.SECONDS);
    configStorage.stop();
    PowerMock.verifyAll();
}

Example 27 with ConsumerRecord

use of org.apache.kafka.clients.consumer.ConsumerRecord in project apache-kafka-on-k8s by banzaicloud.

the class KafkaConfigBackingStoreTest method testRestore.

@Test
public void testRestore() throws Exception {
    // Restoring data should notify only of the latest values after loading is complete. This also validates
    // that inconsistent state is ignored.
    expectConfigure();
    // Overwrite each type at least once to ensure we see the latest data after loading
    List<ConsumerRecord<String, byte[]>> existingRecords = Arrays.asList(new ConsumerRecord<>(TOPIC, 0, 0, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, CONNECTOR_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(0)), new ConsumerRecord<>(TOPIC, 0, 1, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(1)), new ConsumerRecord<>(TOPIC, 0, 2, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(1), CONFIGS_SERIALIZED.get(2)), new ConsumerRecord<>(TOPIC, 0, 3, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, CONNECTOR_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(3)), new ConsumerRecord<>(TOPIC, 0, 4, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, COMMIT_TASKS_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(4)), // Connector after root update should make it through, task update shouldn't
    new ConsumerRecord<>(TOPIC, 0, 5, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, CONNECTOR_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(5)), new ConsumerRecord<>(TOPIC, 0, 6, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(6)));
    LinkedHashMap<byte[], Struct> deserialized = new LinkedHashMap<>();
    deserialized.put(CONFIGS_SERIALIZED.get(0), CONNECTOR_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(1), TASK_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(2), TASK_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(3), CONNECTOR_CONFIG_STRUCTS.get(1));
    deserialized.put(CONFIGS_SERIALIZED.get(4), TASKS_COMMIT_STRUCT_TWO_TASK_CONNECTOR);
    deserialized.put(CONFIGS_SERIALIZED.get(5), CONNECTOR_CONFIG_STRUCTS.get(2));
    deserialized.put(CONFIGS_SERIALIZED.get(6), TASK_CONFIG_STRUCTS.get(1));
    logOffset = 7;
    expectStart(existingRecords, deserialized);
    // Shouldn't see any callbacks since this is during startup
    expectStop();
    PowerMock.replayAll();
    configStorage.setupAndCreateKafkaBasedLog(TOPIC, DEFAULT_DISTRIBUTED_CONFIG);
    configStorage.start();
    // Should see a single connector and its config should be the last one seen anywhere in the log
    ClusterConfigState configState = configStorage.snapshot();
    // Should always be next to be read, even if uncommitted
    assertEquals(7, configState.offset());
    assertEquals(Arrays.asList(CONNECTOR_IDS.get(0)), new ArrayList<>(configState.connectors()));
    assertEquals(TargetState.STARTED, configState.targetState(CONNECTOR_IDS.get(0)));
    // CONNECTOR_CONFIG_STRUCTS[2] -> SAMPLE_CONFIGS[2]
    assertEquals(SAMPLE_CONFIGS.get(2), configState.connectorConfig(CONNECTOR_IDS.get(0)));
    // Should see 2 tasks for that connector. Only config updates before the root key update should be reflected
    assertEquals(Arrays.asList(TASK_IDS.get(0), TASK_IDS.get(1)), configState.tasks(CONNECTOR_IDS.get(0)));
    // Both TASK_CONFIG_STRUCTS[0] -> SAMPLE_CONFIGS[0]
    assertEquals(SAMPLE_CONFIGS.get(0), configState.taskConfig(TASK_IDS.get(0)));
    assertEquals(SAMPLE_CONFIGS.get(0), configState.taskConfig(TASK_IDS.get(1)));
    assertEquals(Collections.EMPTY_SET, configState.inconsistentConnectors());
    configStorage.stop();
    PowerMock.verifyAll();
}

Example 28 with ConsumerRecord

use of org.apache.kafka.clients.consumer.ConsumerRecord in project apache-kafka-on-k8s by banzaicloud.

the class KafkaConfigBackingStoreTest method testRestoreZeroTasks.

@Test
public void testRestoreZeroTasks() throws Exception {
    // Restoring data should notify only of the latest values after loading is complete. This also validates
    // that inconsistent state is ignored.
    expectConfigure();
    // Overwrite each type at least once to ensure we see the latest data after loading
    List<ConsumerRecord<String, byte[]>> existingRecords = Arrays.asList(new ConsumerRecord<>(TOPIC, 0, 0, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, CONNECTOR_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(0)), new ConsumerRecord<>(TOPIC, 0, 1, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(1)), new ConsumerRecord<>(TOPIC, 0, 2, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(1), CONFIGS_SERIALIZED.get(2)), new ConsumerRecord<>(TOPIC, 0, 3, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, CONNECTOR_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(3)), new ConsumerRecord<>(TOPIC, 0, 4, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, COMMIT_TASKS_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(4)), // Connector after root update should make it through, task update shouldn't
    new ConsumerRecord<>(TOPIC, 0, 5, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, CONNECTOR_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(5)), new ConsumerRecord<>(TOPIC, 0, 6, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TASK_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(6)), new ConsumerRecord<>(TOPIC, 0, 7, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, COMMIT_TASKS_CONFIG_KEYS.get(0), CONFIGS_SERIALIZED.get(7)));
    LinkedHashMap<byte[], Struct> deserialized = new LinkedHashMap<>();
    deserialized.put(CONFIGS_SERIALIZED.get(0), CONNECTOR_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(1), TASK_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(2), TASK_CONFIG_STRUCTS.get(0));
    deserialized.put(CONFIGS_SERIALIZED.get(3), CONNECTOR_CONFIG_STRUCTS.get(1));
    deserialized.put(CONFIGS_SERIALIZED.get(4), TASKS_COMMIT_STRUCT_TWO_TASK_CONNECTOR);
    deserialized.put(CONFIGS_SERIALIZED.get(5), CONNECTOR_CONFIG_STRUCTS.get(2));
    deserialized.put(CONFIGS_SERIALIZED.get(6), TASK_CONFIG_STRUCTS.get(1));
    deserialized.put(CONFIGS_SERIALIZED.get(7), TASKS_COMMIT_STRUCT_ZERO_TASK_CONNECTOR);
    logOffset = 8;
    expectStart(existingRecords, deserialized);
    // Shouldn't see any callbacks since this is during startup
    expectStop();
    PowerMock.replayAll();
    configStorage.setupAndCreateKafkaBasedLog(TOPIC, DEFAULT_DISTRIBUTED_CONFIG);
    configStorage.start();
    // Should see a single connector and its config should be the last one seen anywhere in the log
    ClusterConfigState configState = configStorage.snapshot();
    // Should always be next to be read, even if uncommitted
    assertEquals(8, configState.offset());
    assertEquals(Arrays.asList(CONNECTOR_IDS.get(0)), new ArrayList<>(configState.connectors()));
    // CONNECTOR_CONFIG_STRUCTS[2] -> SAMPLE_CONFIGS[2]
    assertEquals(SAMPLE_CONFIGS.get(2), configState.connectorConfig(CONNECTOR_IDS.get(0)));
    // Should see 0 tasks for that connector.
    assertEquals(Collections.emptyList(), configState.tasks(CONNECTOR_IDS.get(0)));
    // Both TASK_CONFIG_STRUCTS[0] -> SAMPLE_CONFIGS[0]
    assertEquals(Collections.EMPTY_SET, configState.inconsistentConnectors());
    configStorage.stop();
    PowerMock.verifyAll();
}

Example 29 with ConsumerRecord

use of org.apache.kafka.clients.consumer.ConsumerRecord in project apache-kafka-on-k8s by banzaicloud.

the class KafkaConfigBackingStoreTest method expectStart.

// If non-empty, deserializations should be a LinkedHashMap
private void expectStart(final List<ConsumerRecord<String, byte[]>> preexistingRecords, final Map<byte[], Struct> deserializations) throws Exception {
    storeLog.start();
    PowerMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            for (ConsumerRecord<String, byte[]> rec : preexistingRecords) capturedConsumedCallback.getValue().onCompletion(null, rec);
            return null;
        }
    });
    for (Map.Entry<byte[], Struct> deserializationEntry : deserializations.entrySet()) {
        // Note null schema because default settings for internal serialization are schema-less
        EasyMock.expect(converter.toConnectData(EasyMock.eq(TOPIC), EasyMock.aryEq(deserializationEntry.getKey()))).andReturn(new SchemaAndValue(null, structToMap(deserializationEntry.getValue())));
    }
}

Example 30 with ConsumerRecord

use of org.apache.kafka.clients.consumer.ConsumerRecord in project apache-kafka-on-k8s by banzaicloud.

the class KafkaOffsetBackingStoreTest method testGetSetNull.

@Test
public void testGetSetNull() throws Exception {
    expectConfigure();
    expectStart(Collections.EMPTY_LIST);
    // Set offsets
    Capture<org.apache.kafka.clients.producer.Callback> callback0 = EasyMock.newCapture();
    storeLog.send(EasyMock.isNull(byte[].class), EasyMock.aryEq(TP0_VALUE.array()), EasyMock.capture(callback0));
    PowerMock.expectLastCall();
    Capture<org.apache.kafka.clients.producer.Callback> callback1 = EasyMock.newCapture();
    storeLog.send(EasyMock.aryEq(TP1_KEY.array()), EasyMock.isNull(byte[].class), EasyMock.capture(callback1));
    PowerMock.expectLastCall();
    // Second get() should get the produced data and return the new values
    final Capture<Callback<Void>> secondGetReadToEndCallback = EasyMock.newCapture();
    storeLog.readToEnd(EasyMock.capture(secondGetReadToEndCallback));
    PowerMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            capturedConsumedCallback.getValue().onCompletion(null, new ConsumerRecord<>(TOPIC, 0, 0, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, (byte[]) null, TP0_VALUE.array()));
            capturedConsumedCallback.getValue().onCompletion(null, new ConsumerRecord<>(TOPIC, 1, 0, 0L, TimestampType.CREATE_TIME, 0L, 0, 0, TP1_KEY.array(), (byte[]) null));
            secondGetReadToEndCallback.getValue().onCompletion(null, null);
            return null;
        }
    });
    expectStop();
    PowerMock.replayAll();
    store.configure(DEFAULT_DISTRIBUTED_CONFIG);
    store.start();
    // Set offsets using null keys and values
    Map<ByteBuffer, ByteBuffer> toSet = new HashMap<>();
    toSet.put(null, TP0_VALUE);
    toSet.put(TP1_KEY, null);
    final AtomicBoolean invoked = new AtomicBoolean(false);
    Future<Void> setFuture = store.set(toSet, new Callback<Void>() {

        @Override
        public void onCompletion(Throwable error, Void result) {
            invoked.set(true);
        }
    });
    assertFalse(setFuture.isDone());
    // Out of order callbacks shouldn't matter, should still require all to be invoked before invoking the callback
    // for the store's set callback
    callback1.getValue().onCompletion(null, null);
    assertFalse(invoked.get());
    callback0.getValue().onCompletion(null, null);
    setFuture.get(10000, TimeUnit.MILLISECONDS);
    assertTrue(invoked.get());
    // Getting data should read to end of our published data and return it
    final AtomicBoolean secondGetInvokedAndPassed = new AtomicBoolean(false);
    store.get(Arrays.asList(null, TP1_KEY), new Callback<Map<ByteBuffer, ByteBuffer>>() {

        @Override
        public void onCompletion(Throwable error, Map<ByteBuffer, ByteBuffer> result) {
            assertEquals(TP0_VALUE, result.get(null));
            assertNull(result.get(TP1_KEY));
            secondGetInvokedAndPassed.set(true);
        }
    }).get(10000, TimeUnit.MILLISECONDS);
    assertTrue(secondGetInvokedAndPassed.get());
    store.stop();
    PowerMock.verifyAll();
}