/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package io.openmessaging.benchmark.driver.kafka; import java.io.File; import java.io.IOException; import java.io.StringReader; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Properties; import java.util.concurrent.CompletableFuture; import java.util.concurrent.ExecutionException; import org.apache.bookkeeper.stats.StatsLogger; import org.apache.kafka.clients.admin.AdminClient; import org.apache.kafka.clients.admin.NewTopic; import org.apache.kafka.clients.consumer.ConsumerConfig; import org.apache.kafka.clients.consumer.KafkaConsumer; import org.apache.kafka.clients.producer.KafkaProducer; import org.apache.kafka.clients.producer.ProducerConfig; import org.apache.kafka.common.serialization.ByteArrayDeserializer; import org.apache.kafka.common.serialization.ByteArraySerializer; import org.apache.kafka.common.serialization.StringDeserializer; import org.apache.kafka.common.serialization.StringSerializer; import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; import io.openmessaging.benchmark.driver.BenchmarkConsumer; import io.openmessaging.benchmark.driver.BenchmarkDriver; import io.openmessaging.benchmark.driver.BenchmarkProducer; import io.openmessaging.benchmark.driver.ConsumerCallback; public class KafkaBenchmarkDriver implements BenchmarkDriver { private Config config; private KafkaProducer<String, byte[]> producer; private List<BenchmarkConsumer> consumers = Collections.synchronizedList(new ArrayList<>()); private Properties topicProperties; private Properties producerProperties; private Properties consumerProperties; private AdminClient admin; @Override public void initialize(File configurationFile, StatsLogger statsLogger) throws IOException { config = mapper.readValue(configurationFile, Config.class); Properties commonProperties = new Properties(); commonProperties.load(new StringReader(config.commonConfig)); producerProperties = new Properties(); commonProperties.forEach((key, value) -> producerProperties.put(key, value)); producerProperties.load(new StringReader(config.producerConfig)); producerProperties.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName()); producerProperties.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class.getName()); consumerProperties = new Properties(); commonProperties.forEach((key, value) -> consumerProperties.put(key, value)); consumerProperties.load(new StringReader(config.consumerConfig)); consumerProperties.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName()); consumerProperties.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, ByteArrayDeserializer.class.getName()); topicProperties = new Properties(); topicProperties.load(new StringReader(config.topicConfig)); admin = AdminClient.create(commonProperties); producer = new KafkaProducer<>(producerProperties); } @Override public String getTopicNamePrefix() { return "test-topic"; } @SuppressWarnings({ "rawtypes", "unchecked" }) @Override public CompletableFuture<Void> createTopic(String topic, int partitions) { return CompletableFuture.runAsync(() -> { try { NewTopic newTopic = new NewTopic(topic, partitions, config.replicationFactor); newTopic.configs(new HashMap<>((Map) topicProperties)); admin.createTopics(Arrays.asList(newTopic)).all().get(); } catch (InterruptedException | ExecutionException e) { throw new RuntimeException(e); } }); } @Override public CompletableFuture<BenchmarkProducer> createProducer(String topic) { return CompletableFuture.completedFuture(new KafkaBenchmarkProducer(producer, topic)); } @Override public CompletableFuture<BenchmarkConsumer> createConsumer(String topic, String subscriptionName, ConsumerCallback consumerCallback) { Properties properties = new Properties(); consumerProperties.forEach((key, value) -> properties.put(key, value)); properties.put(ConsumerConfig.GROUP_ID_CONFIG, subscriptionName); KafkaConsumer<String, byte[]> consumer = new KafkaConsumer<>(properties); try { consumer.subscribe(Arrays.asList(topic)); return CompletableFuture.completedFuture(new KafkaBenchmarkConsumer(consumer, consumerCallback)); } catch (Throwable t) { consumer.close(); CompletableFuture<BenchmarkConsumer> future = new CompletableFuture<>(); future.completeExceptionally(t); return future; } } @Override public void close() throws Exception { producer.close(); for (BenchmarkConsumer consumer : consumers) { consumer.close(); } admin.close(); } private static final ObjectMapper mapper = new ObjectMapper(new YAMLFactory()) .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); }