| /** |
| * 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 storm.kafka; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.framework.imps.CuratorFrameworkState; |
| import org.apache.curator.retry.ExponentialBackoffRetry; |
| import org.apache.curator.test.InstanceSpec; |
| import org.apache.curator.test.TestingServer; |
| |
| import kafka.server.KafkaConfig; |
| import kafka.server.KafkaServerStartable; |
| import org.apache.commons.io.FileUtils; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Properties; |
| |
| /** |
| * Date: 11/01/2014 |
| * Time: 13:15 |
| */ |
| public class KafkaTestBroker { |
| |
| private int port; |
| private KafkaServerStartable kafka; |
| private TestingServer server; |
| private CuratorFramework zookeeper; |
| private File logDir; |
| |
| public KafkaTestBroker() { |
| try { |
| server = new TestingServer(); |
| String zookeeperConnectionString = server.getConnectString(); |
| ExponentialBackoffRetry retryPolicy = new ExponentialBackoffRetry(1000, 3); |
| zookeeper = CuratorFrameworkFactory.newClient(zookeeperConnectionString, retryPolicy); |
| zookeeper.start(); |
| port = InstanceSpec.getRandomPort(); |
| logDir = new File(System.getProperty("java.io.tmpdir"), "kafka/logs/kafka-test-" + port); |
| KafkaConfig config = buildKafkaConfig(zookeeperConnectionString); |
| kafka = new KafkaServerStartable(config); |
| kafka.startup(); |
| } catch (Exception ex) { |
| throw new RuntimeException("Could not start test broker", ex); |
| } |
| } |
| |
| private kafka.server.KafkaConfig buildKafkaConfig(String zookeeperConnectionString) { |
| Properties p = new Properties(); |
| p.setProperty("zookeeper.connect", zookeeperConnectionString); |
| p.setProperty("broker.id", "0"); |
| p.setProperty("port", "" + port); |
| p.setProperty("log.dirs", logDir.getAbsolutePath()); |
| return new KafkaConfig(p); |
| } |
| |
| public String getBrokerConnectionString() { |
| return "localhost:" + port; |
| } |
| |
| public int getPort() { |
| return port; |
| } |
| public void shutdown() { |
| kafka.shutdown(); |
| if (zookeeper.getState().equals(CuratorFrameworkState.STARTED)) { |
| zookeeper.close(); |
| } |
| try { |
| server.close(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| FileUtils.deleteQuietly(logDir); |
| } |
| } |