| package kafka; |
| |
| import kafka.admin.RackAwareMode; |
| import kafka.zk.AdminZkClient; |
| import kafka.zk.KafkaZkClient; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.client.ClientCache; |
| import org.apache.geode.cache.client.ClientCacheFactory; |
| import org.apache.geode.cache.client.ClientRegionShortcut; |
| import org.apache.kafka.clients.consumer.Consumer; |
| import org.apache.kafka.clients.consumer.ConsumerConfig; |
| import org.apache.kafka.clients.consumer.ConsumerRecord; |
| import org.apache.kafka.clients.consumer.ConsumerRecords; |
| import org.apache.kafka.clients.consumer.KafkaConsumer; |
| import org.apache.kafka.common.serialization.StringDeserializer; |
| import org.apache.kafka.common.utils.Time; |
| import org.apache.kafka.connect.runtime.ConnectorConfig; |
| import org.apache.kafka.connect.runtime.WorkerConfig; |
| import org.apache.zookeeper.server.quorum.QuorumPeerConfig; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| import java.io.IOException; |
| import java.time.Duration; |
| import java.util.Collections; |
| import java.util.Properties; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import static org.awaitility.Awaitility.await; |
| |
| public class GeodeKafkaTestCluster { |
| |
| @ClassRule |
| public static TemporaryFolder temporaryFolder = new TemporaryFolder(); |
| private static boolean debug = true; |
| |
| public static String TEST_TOPICS = "someTopic"; |
| public static String TEST_REGIONS = "someRegion"; |
| |
| private static ZooKeeperLocalCluster zooKeeperLocalCluster; |
| private static KafkaLocalCluster kafkaLocalCluster; |
| private static GeodeLocalCluster geodeLocalCluster; |
| private static WorkerAndHerderCluster workerAndHerderCluster; |
| private static Consumer<String, String> consumer; |
| |
| @BeforeClass |
| public static void setup() throws IOException, QuorumPeerConfig.ConfigException, InterruptedException { |
| startZooKeeper(); |
| startKafka(); |
| startGeode(); |
| createTopic(); |
| |
| startWorker(); |
| consumer = createConsumer(); |
| Thread.sleep(5000); |
| } |
| |
| @AfterClass |
| public static void shutdown() { |
| workerAndHerderCluster.stop(); |
| KafkaZkClient zkClient = KafkaZkClient.apply("localhost:2181",false,200000, |
| 15000,10, Time.SYSTEM, "myGroup","myMetricType", null); |
| AdminZkClient adminZkClient = new AdminZkClient(zkClient); |
| adminZkClient.deleteTopic(TEST_TOPICS); |
| |
| kafkaLocalCluster.stop(); |
| geodeLocalCluster.stop(); |
| } |
| |
| |
| private static void startWorker() throws IOException, InterruptedException { |
| workerAndHerderCluster = new WorkerAndHerderCluster(); |
| workerAndHerderCluster.start(); |
| Thread.sleep(20000); |
| } |
| |
| private static void createTopic() { |
| KafkaZkClient zkClient = KafkaZkClient.apply("localhost:2181",false,200000, |
| 15000,10, Time.SYSTEM, "myGroup","myMetricType", null); |
| |
| Properties topicProperties = new Properties(); |
| topicProperties.put("flush.messages", "1"); |
| AdminZkClient adminZkClient = new AdminZkClient(zkClient); |
| adminZkClient.createTopic(TEST_TOPICS,3 |
| ,1, topicProperties, RackAwareMode.Disabled$.MODULE$); |
| } |
| |
| private ClientCache createGeodeClient() { |
| return new ClientCacheFactory().addPoolLocator("localhost", 10334).create(); |
| } |
| |
| private static void startZooKeeper() throws IOException, QuorumPeerConfig.ConfigException { |
| zooKeeperLocalCluster = new ZooKeeperLocalCluster(getZooKeeperProperties()); |
| zooKeeperLocalCluster.start(); |
| } |
| |
| private static void startKafka() throws IOException, InterruptedException, QuorumPeerConfig.ConfigException { |
| kafkaLocalCluster = new KafkaLocalCluster(getKafkaConfig()); |
| kafkaLocalCluster.start(); |
| } |
| |
| private static void startGeode() throws IOException, InterruptedException { |
| geodeLocalCluster = new GeodeLocalCluster(); |
| geodeLocalCluster.start(); |
| } |
| |
| private static Properties getZooKeeperProperties() throws IOException { |
| Properties properties = new Properties(); |
| properties.setProperty("dataDir", (debug)? "/tmp/zookeeper" :temporaryFolder.newFolder("zookeeper").getAbsolutePath()); |
| properties.setProperty("clientPort", "2181"); |
| properties.setProperty("tickTime", "2000"); |
| return properties; |
| } |
| |
| |
| private static Properties getKafkaConfig() throws IOException { |
| int BROKER_PORT = 9092; |
| Properties props = new Properties(); |
| |
| props.put("broker.id", "0"); |
| props.put("log4j.configuration", "/Users/jhuynh/Pivotal/kafka/config/connect-log4j.properties"); |
| props.put("zookeeper.connect", "localhost:2181"); |
| props.put("host.name", "localHost"); |
| props.put("port", BROKER_PORT); |
| props.put("offsets.topic.replication.factor", "1"); |
| props.put("log.flush.interval.messages", "1"); |
| props.put("log.flush.interval.ms", "10"); |
| |
| |
| //Connector configs |
| props.put(ConnectorConfig.CONNECTOR_CLASS_CONFIG, GeodeKafkaSource.class.getName()); |
| props.put(ConnectorConfig.NAME_CONFIG, "geode-kafka-source-connector"); |
| props.put(ConnectorConfig.TASKS_MAX_CONFIG, "1"); |
| |
| //Specifically GeodeKafka connector configs |
| return props; |
| } |
| |
| |
| //consumer props, less important, just for testing? |
| public static Consumer<String,String> createConsumer() { |
| final Properties props = new Properties(); |
| props.put(WorkerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092"); |
| props.put(ConsumerConfig.GROUP_ID_CONFIG, |
| "myGroup"); |
| props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, |
| StringDeserializer.class.getName()); |
| props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, |
| StringDeserializer.class.getName()); |
| |
| // Create the consumer using props. |
| final Consumer<String, String> consumer = |
| new KafkaConsumer<>(props); |
| // Subscribe to the topic. |
| consumer.subscribe(Collections.singletonList(TEST_TOPICS)); |
| return consumer; |
| } |
| |
| @Test |
| public void endToEndSourceTest() { |
| ClientCache client = createGeodeClient(); |
| Region region = client.createClientRegionFactory(ClientRegionShortcut.PROXY).create(TEST_REGIONS); |
| |
| //right now just verify something makes it end to end |
| AtomicInteger valueReceived = new AtomicInteger(0); |
| await().atMost(10, TimeUnit.SECONDS).until(() -> { |
| region.put("KEY", "VALUE" + System.currentTimeMillis()); |
| ConsumerRecords<String, String> records = consumer.poll(Duration.ofSeconds(4)); |
| for (ConsumerRecord<String, String> record: records) { |
| // System.out.println("WE consumed a record:" + record); |
| valueReceived.incrementAndGet(); |
| } |
| return valueReceived.get() > 0; |
| }); |
| } |
| |
| } |