| /* |
| * 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 org.apache.karaf.decanter.appender.kafka; |
| |
| import kafka.metrics.KafkaMetricsReporter; |
| import kafka.server.KafkaConfig; |
| import kafka.server.KafkaServer; |
| import org.apache.kafka.common.utils.SystemTime; |
| import org.junit.rules.ExternalResource; |
| import scala.Option; |
| import scala.collection.mutable.Buffer; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Properties; |
| |
| public class EmbeddedKafkaBroker extends ExternalResource { |
| |
| private final Integer brokerId; |
| private final Integer port; |
| private final String zkConnection; |
| private final Properties baseProperties; |
| |
| private final String brokerList; |
| |
| private KafkaServer kafkaServer; |
| private File logDir; |
| |
| public EmbeddedKafkaBroker(int brokerId, int port, String zkConnection, Properties baseProperties) { |
| this.brokerId = brokerId; |
| this.port = port; |
| this.zkConnection = zkConnection; |
| this.baseProperties = baseProperties; |
| this.brokerList = "localhost:" + this.port; |
| } |
| |
| @Override |
| public void before() { |
| logDir = new File("target/test-classes/kafka-log"); |
| logDir.mkdirs(); |
| |
| Properties properties = new Properties(); |
| properties.putAll(baseProperties); |
| properties.setProperty("zookeeper.connect", zkConnection); |
| properties.setProperty("broker.id", brokerId.toString()); |
| properties.setProperty("host.name", "localhost"); |
| properties.setProperty("port", Integer.toString(port)); |
| properties.setProperty("log.dir", logDir.getAbsolutePath()); |
| properties.setProperty("num.partitions", String.valueOf(1)); |
| properties.setProperty("auto.create.topics.enable", String.valueOf(Boolean.TRUE)); |
| properties.setProperty("log.flush.interval.messages", String.valueOf(1)); |
| properties.setProperty("offsets.topic.replication.factor", String.valueOf(1)); |
| |
| kafkaServer = startBroker(properties); |
| } |
| |
| private KafkaServer startBroker(Properties props) { |
| List<KafkaMetricsReporter> kmrList = new ArrayList<>(); |
| Buffer<KafkaMetricsReporter> metricsList = scala.collection.JavaConversions.asScalaBuffer(kmrList); |
| KafkaServer server = new KafkaServer(new KafkaConfig(props), new SystemTime(), Option.<String>empty(), metricsList); |
| server.startup(); |
| return server; |
| } |
| |
| public String getBrokerList() { |
| return brokerList; |
| } |
| |
| public Integer getPort() { |
| return port; |
| } |
| |
| public void after() { |
| kafkaServer.shutdown(); |
| logDir.delete(); |
| } |
| |
| } |