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author | jerryshao <saisai.shao@intel.com> | 2015-04-09 23:14:24 -0700 |
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committer | Tathagata Das <tathagata.das1565@gmail.com> | 2015-04-09 23:14:24 -0700 |
commit | 3290d2d13bb4bd875aec14425c8e3766f9cc644b (patch) | |
tree | 7e862fb443bd1bca2b15c3fd1a1ec9b9d27912d5 /external/kafka | |
parent | e2360810f50de77f79d372cc9b46db117d451cfc (diff) | |
download | spark-3290d2d13bb4bd875aec14425c8e3766f9cc644b.tar.gz spark-3290d2d13bb4bd875aec14425c8e3766f9cc644b.tar.bz2 spark-3290d2d13bb4bd875aec14425c8e3766f9cc644b.zip |
[SPARK-6211][Streaming] Add Python Kafka API unit test
Refactor the Kafka unit test and add Python API support. CC tdas davies please help to review, thanks a lot.
Author: jerryshao <saisai.shao@intel.com>
Author: Saisai Shao <saisai.shao@intel.com>
Closes #4961 from jerryshao/SPARK-6211 and squashes the following commits:
ee4b919 [jerryshao] Fixed newly merged issue
82c756e [jerryshao] Address the comments
92912d1 [jerryshao] Address the commits
0708bb1 [jerryshao] Fix rebase issue
40b47a3 [Saisai Shao] Style fix
f889657 [Saisai Shao] Update the code according
8a2f3e2 [jerryshao] Address the issues
0f1b7ce [jerryshao] Still fix the bug
61a04f0 [jerryshao] Fix bugs and address the issues
64d9877 [jerryshao] Fix rebase bugs
8ad442f [jerryshao] Add kafka-assembly in run-tests
6020b00 [jerryshao] Add more debug info in Shell
8102d6e [jerryshao] Fix bug in Jenkins test
fde1213 [jerryshao] Code style changes
5536f95 [jerryshao] Refactor the Kafka unit test and add Python Kafka unittest support
Diffstat (limited to 'external/kafka')
9 files changed, 441 insertions, 308 deletions
diff --git a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala new file mode 100644 index 0000000000..13e9475065 --- /dev/null +++ b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaTestUtils.scala @@ -0,0 +1,261 @@ +/* + * 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.spark.streaming.kafka + +import java.io.File +import java.lang.{Integer => JInt} +import java.net.InetSocketAddress +import java.util.{Map => JMap} +import java.util.Properties +import java.util.concurrent.TimeoutException + +import scala.annotation.tailrec +import scala.language.postfixOps +import scala.util.control.NonFatal + +import kafka.admin.AdminUtils +import kafka.producer.{KeyedMessage, Producer, ProducerConfig} +import kafka.serializer.StringEncoder +import kafka.server.{KafkaConfig, KafkaServer} +import kafka.utils.ZKStringSerializer +import org.apache.zookeeper.server.{NIOServerCnxnFactory, ZooKeeperServer} +import org.I0Itec.zkclient.ZkClient + +import org.apache.spark.{Logging, SparkConf} +import org.apache.spark.streaming.Time +import org.apache.spark.util.Utils + +/** + * This is a helper class for Kafka test suites. This has the functionality to set up + * and tear down local Kafka servers, and to push data using Kafka producers. + * + * The reason to put Kafka test utility class in src is to test Python related Kafka APIs. + */ +private class KafkaTestUtils extends Logging { + + // Zookeeper related configurations + private val zkHost = "localhost" + private var zkPort: Int = 0 + private val zkConnectionTimeout = 6000 + private val zkSessionTimeout = 6000 + + private var zookeeper: EmbeddedZookeeper = _ + + private var zkClient: ZkClient = _ + + // Kafka broker related configurations + private val brokerHost = "localhost" + private var brokerPort = 9092 + private var brokerConf: KafkaConfig = _ + + // Kafka broker server + private var server: KafkaServer = _ + + // Kafka producer + private var producer: Producer[String, String] = _ + + // Flag to test whether the system is correctly started + private var zkReady = false + private var brokerReady = false + + def zkAddress: String = { + assert(zkReady, "Zookeeper not setup yet or already torn down, cannot get zookeeper address") + s"$zkHost:$zkPort" + } + + def brokerAddress: String = { + assert(brokerReady, "Kafka not setup yet or already torn down, cannot get broker address") + s"$brokerHost:$brokerPort" + } + + def zookeeperClient: ZkClient = { + assert(zkReady, "Zookeeper not setup yet or already torn down, cannot get zookeeper client") + Option(zkClient).getOrElse( + throw new IllegalStateException("Zookeeper client is not yet initialized")) + } + + // Set up the Embedded Zookeeper server and get the proper Zookeeper port + private def setupEmbeddedZookeeper(): Unit = { + // Zookeeper server startup + zookeeper = new EmbeddedZookeeper(s"$zkHost:$zkPort") + // Get the actual zookeeper binding port + zkPort = zookeeper.actualPort + zkClient = new ZkClient(s"$zkHost:$zkPort", zkSessionTimeout, zkConnectionTimeout, + ZKStringSerializer) + zkReady = true + } + + // Set up the Embedded Kafka server + private def setupEmbeddedKafkaServer(): Unit = { + assert(zkReady, "Zookeeper should be set up beforehand") + + // Kafka broker startup + Utils.startServiceOnPort(brokerPort, port => { + brokerPort = port + brokerConf = new KafkaConfig(brokerConfiguration) + server = new KafkaServer(brokerConf) + server.startup() + (server, port) + }, new SparkConf(), "KafkaBroker") + + brokerReady = true + } + + /** setup the whole embedded servers, including Zookeeper and Kafka brokers */ + def setup(): Unit = { + setupEmbeddedZookeeper() + setupEmbeddedKafkaServer() + } + + /** Teardown the whole servers, including Kafka broker and Zookeeper */ + def teardown(): Unit = { + brokerReady = false + zkReady = false + + if (producer != null) { + producer.close() + producer = null + } + + if (server != null) { + server.shutdown() + server = null + } + + brokerConf.logDirs.foreach { f => Utils.deleteRecursively(new File(f)) } + + if (zkClient != null) { + zkClient.close() + zkClient = null + } + + if (zookeeper != null) { + zookeeper.shutdown() + zookeeper = null + } + } + + /** Create a Kafka topic and wait until it propagated to the whole cluster */ + def createTopic(topic: String): Unit = { + AdminUtils.createTopic(zkClient, topic, 1, 1) + // wait until metadata is propagated + waitUntilMetadataIsPropagated(topic, 0) + } + + /** Java-friendly function for sending messages to the Kafka broker */ + def sendMessages(topic: String, messageToFreq: JMap[String, JInt]): Unit = { + import scala.collection.JavaConversions._ + sendMessages(topic, Map(messageToFreq.mapValues(_.intValue()).toSeq: _*)) + } + + /** Send the messages to the Kafka broker */ + def sendMessages(topic: String, messageToFreq: Map[String, Int]): Unit = { + val messages = messageToFreq.flatMap { case (s, freq) => Seq.fill(freq)(s) }.toArray + sendMessages(topic, messages) + } + + /** Send the array of messages to the Kafka broker */ + def sendMessages(topic: String, messages: Array[String]): Unit = { + producer = new Producer[String, String](new ProducerConfig(producerConfiguration)) + producer.send(messages.map { new KeyedMessage[String, String](topic, _ ) }: _*) + producer.close() + producer = null + } + + private def brokerConfiguration: Properties = { + val props = new Properties() + props.put("broker.id", "0") + props.put("host.name", "localhost") + props.put("port", brokerPort.toString) + props.put("log.dir", Utils.createTempDir().getAbsolutePath) + props.put("zookeeper.connect", zkAddress) + props.put("log.flush.interval.messages", "1") + props.put("replica.socket.timeout.ms", "1500") + props + } + + private def producerConfiguration: Properties = { + val props = new Properties() + props.put("metadata.broker.list", brokerAddress) + props.put("serializer.class", classOf[StringEncoder].getName) + props + } + + // A simplified version of scalatest eventually, rewritten here to avoid adding extra test + // dependency + def eventually[T](timeout: Time, interval: Time)(func: => T): T = { + def makeAttempt(): Either[Throwable, T] = { + try { + Right(func) + } catch { + case e if NonFatal(e) => Left(e) + } + } + + val startTime = System.currentTimeMillis() + @tailrec + def tryAgain(attempt: Int): T = { + makeAttempt() match { + case Right(result) => result + case Left(e) => + val duration = System.currentTimeMillis() - startTime + if (duration < timeout.milliseconds) { + Thread.sleep(interval.milliseconds) + } else { + throw new TimeoutException(e.getMessage) + } + + tryAgain(attempt + 1) + } + } + + tryAgain(1) + } + + private def waitUntilMetadataIsPropagated(topic: String, partition: Int): Unit = { + eventually(Time(10000), Time(100)) { + assert( + server.apis.metadataCache.containsTopicAndPartition(topic, partition), + s"Partition [$topic, $partition] metadata not propagated after timeout" + ) + } + } + + private class EmbeddedZookeeper(val zkConnect: String) { + val snapshotDir = Utils.createTempDir() + val logDir = Utils.createTempDir() + + val zookeeper = new ZooKeeperServer(snapshotDir, logDir, 500) + val (ip, port) = { + val splits = zkConnect.split(":") + (splits(0), splits(1).toInt) + } + val factory = new NIOServerCnxnFactory() + factory.configure(new InetSocketAddress(ip, port), 16) + factory.startup(zookeeper) + + val actualPort = factory.getLocalPort + + def shutdown() { + factory.shutdown() + Utils.deleteRecursively(snapshotDir) + Utils.deleteRecursively(logDir) + } + } +} + diff --git a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java index d6ca6d58b5..4c1d6a03eb 100644 --- a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java +++ b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java @@ -41,24 +41,28 @@ import org.apache.spark.streaming.api.java.JavaStreamingContext; public class JavaDirectKafkaStreamSuite implements Serializable { private transient JavaStreamingContext ssc = null; - private transient KafkaStreamSuiteBase suiteBase = null; + private transient KafkaTestUtils kafkaTestUtils = null; @Before public void setUp() { - suiteBase = new KafkaStreamSuiteBase() { }; - suiteBase.setupKafka(); - System.clearProperty("spark.driver.port"); - SparkConf sparkConf = new SparkConf() - .setMaster("local[4]").setAppName(this.getClass().getSimpleName()); - ssc = new JavaStreamingContext(sparkConf, Durations.milliseconds(200)); + kafkaTestUtils = new KafkaTestUtils(); + kafkaTestUtils.setup(); + SparkConf sparkConf = new SparkConf() + .setMaster("local[4]").setAppName(this.getClass().getSimpleName()); + ssc = new JavaStreamingContext(sparkConf, Durations.milliseconds(200)); } @After public void tearDown() { + if (ssc != null) { ssc.stop(); ssc = null; - System.clearProperty("spark.driver.port"); - suiteBase.tearDownKafka(); + } + + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown(); + kafkaTestUtils = null; + } } @Test @@ -74,7 +78,7 @@ public class JavaDirectKafkaStreamSuite implements Serializable { sent.addAll(Arrays.asList(topic2data)); HashMap<String, String> kafkaParams = new HashMap<String, String>(); - kafkaParams.put("metadata.broker.list", suiteBase.brokerAddress()); + kafkaParams.put("metadata.broker.list", kafkaTestUtils.brokerAddress()); kafkaParams.put("auto.offset.reset", "smallest"); JavaDStream<String> stream1 = KafkaUtils.createDirectStream( @@ -147,8 +151,8 @@ public class JavaDirectKafkaStreamSuite implements Serializable { private String[] createTopicAndSendData(String topic) { String[] data = { topic + "-1", topic + "-2", topic + "-3"}; - suiteBase.createTopic(topic); - suiteBase.sendMessages(topic, data); + kafkaTestUtils.createTopic(topic); + kafkaTestUtils.sendMessages(topic, data); return data; } } diff --git a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaRDDSuite.java b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaRDDSuite.java index 4477b81827..a9dc6e5061 100644 --- a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaRDDSuite.java +++ b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaRDDSuite.java @@ -37,13 +37,12 @@ import org.apache.spark.api.java.function.Function; public class JavaKafkaRDDSuite implements Serializable { private transient JavaSparkContext sc = null; - private transient KafkaStreamSuiteBase suiteBase = null; + private transient KafkaTestUtils kafkaTestUtils = null; @Before public void setUp() { - suiteBase = new KafkaStreamSuiteBase() { }; - suiteBase.setupKafka(); - System.clearProperty("spark.driver.port"); + kafkaTestUtils = new KafkaTestUtils(); + kafkaTestUtils.setup(); SparkConf sparkConf = new SparkConf() .setMaster("local[4]").setAppName(this.getClass().getSimpleName()); sc = new JavaSparkContext(sparkConf); @@ -51,10 +50,15 @@ public class JavaKafkaRDDSuite implements Serializable { @After public void tearDown() { - sc.stop(); - sc = null; - System.clearProperty("spark.driver.port"); - suiteBase.tearDownKafka(); + if (sc != null) { + sc.stop(); + sc = null; + } + + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown(); + kafkaTestUtils = null; + } } @Test @@ -66,7 +70,7 @@ public class JavaKafkaRDDSuite implements Serializable { String[] topic2data = createTopicAndSendData(topic2); HashMap<String, String> kafkaParams = new HashMap<String, String>(); - kafkaParams.put("metadata.broker.list", suiteBase.brokerAddress()); + kafkaParams.put("metadata.broker.list", kafkaTestUtils.brokerAddress()); OffsetRange[] offsetRanges = { OffsetRange.create(topic1, 0, 0, 1), @@ -75,7 +79,7 @@ public class JavaKafkaRDDSuite implements Serializable { HashMap<TopicAndPartition, Broker> emptyLeaders = new HashMap<TopicAndPartition, Broker>(); HashMap<TopicAndPartition, Broker> leaders = new HashMap<TopicAndPartition, Broker>(); - String[] hostAndPort = suiteBase.brokerAddress().split(":"); + String[] hostAndPort = kafkaTestUtils.brokerAddress().split(":"); Broker broker = Broker.create(hostAndPort[0], Integer.parseInt(hostAndPort[1])); leaders.put(new TopicAndPartition(topic1, 0), broker); leaders.put(new TopicAndPartition(topic2, 0), broker); @@ -144,8 +148,8 @@ public class JavaKafkaRDDSuite implements Serializable { private String[] createTopicAndSendData(String topic) { String[] data = { topic + "-1", topic + "-2", topic + "-3"}; - suiteBase.createTopic(topic); - suiteBase.sendMessages(topic, data); + kafkaTestUtils.createTopic(topic); + kafkaTestUtils.sendMessages(topic, data); return data; } } diff --git a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaStreamSuite.java b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaStreamSuite.java index bad0a93eb2..540f4ceaba 100644 --- a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaStreamSuite.java +++ b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaKafkaStreamSuite.java @@ -22,9 +22,7 @@ import java.util.HashMap; import java.util.List; import java.util.Random; -import scala.Predef; import scala.Tuple2; -import scala.collection.JavaConverters; import kafka.serializer.StringDecoder; import org.junit.After; @@ -44,13 +42,12 @@ import org.apache.spark.streaming.api.java.JavaStreamingContext; public class JavaKafkaStreamSuite implements Serializable { private transient JavaStreamingContext ssc = null; private transient Random random = new Random(); - private transient KafkaStreamSuiteBase suiteBase = null; + private transient KafkaTestUtils kafkaTestUtils = null; @Before public void setUp() { - suiteBase = new KafkaStreamSuiteBase() { }; - suiteBase.setupKafka(); - System.clearProperty("spark.driver.port"); + kafkaTestUtils = new KafkaTestUtils(); + kafkaTestUtils.setup(); SparkConf sparkConf = new SparkConf() .setMaster("local[4]").setAppName(this.getClass().getSimpleName()); ssc = new JavaStreamingContext(sparkConf, new Duration(500)); @@ -58,10 +55,15 @@ public class JavaKafkaStreamSuite implements Serializable { @After public void tearDown() { - ssc.stop(); - ssc = null; - System.clearProperty("spark.driver.port"); - suiteBase.tearDownKafka(); + if (ssc != null) { + ssc.stop(); + ssc = null; + } + + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown(); + kafkaTestUtils = null; + } } @Test @@ -75,15 +77,11 @@ public class JavaKafkaStreamSuite implements Serializable { sent.put("b", 3); sent.put("c", 10); - suiteBase.createTopic(topic); - HashMap<String, Object> tmp = new HashMap<String, Object>(sent); - suiteBase.sendMessages(topic, - JavaConverters.mapAsScalaMapConverter(tmp).asScala().toMap( - Predef.<Tuple2<String, Object>>conforms()) - ); + kafkaTestUtils.createTopic(topic); + kafkaTestUtils.sendMessages(topic, sent); HashMap<String, String> kafkaParams = new HashMap<String, String>(); - kafkaParams.put("zookeeper.connect", suiteBase.zkAddress()); + kafkaParams.put("zookeeper.connect", kafkaTestUtils.zkAddress()); kafkaParams.put("group.id", "test-consumer-" + random.nextInt(10000)); kafkaParams.put("auto.offset.reset", "smallest"); @@ -126,6 +124,7 @@ public class JavaKafkaStreamSuite implements Serializable { ); ssc.start(); + long startTime = System.currentTimeMillis(); boolean sizeMatches = false; while (!sizeMatches && System.currentTimeMillis() - startTime < 20000) { @@ -136,6 +135,5 @@ public class JavaKafkaStreamSuite implements Serializable { for (String k : sent.keySet()) { Assert.assertEquals(sent.get(k).intValue(), result.get(k).intValue()); } - ssc.stop(); } } diff --git a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala index 17ca9d145d..415730f555 100644 --- a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala +++ b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/DirectKafkaStreamSuite.scala @@ -27,31 +27,41 @@ import scala.language.postfixOps import kafka.common.TopicAndPartition import kafka.message.MessageAndMetadata import kafka.serializer.StringDecoder -import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll} +import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll, FunSuite} import org.scalatest.concurrent.Eventually -import org.apache.spark.{SparkConf, SparkContext} +import org.apache.spark.{Logging, SparkConf, SparkContext} import org.apache.spark.rdd.RDD import org.apache.spark.streaming.{Milliseconds, StreamingContext, Time} import org.apache.spark.streaming.dstream.DStream import org.apache.spark.util.Utils -class DirectKafkaStreamSuite extends KafkaStreamSuiteBase - with BeforeAndAfter with BeforeAndAfterAll with Eventually { +class DirectKafkaStreamSuite + extends FunSuite + with BeforeAndAfter + with BeforeAndAfterAll + with Eventually + with Logging { val sparkConf = new SparkConf() .setMaster("local[4]") .setAppName(this.getClass.getSimpleName) - var sc: SparkContext = _ - var ssc: StreamingContext = _ - var testDir: File = _ + private var sc: SparkContext = _ + private var ssc: StreamingContext = _ + private var testDir: File = _ + + private var kafkaTestUtils: KafkaTestUtils = _ override def beforeAll { - setupKafka() + kafkaTestUtils = new KafkaTestUtils + kafkaTestUtils.setup() } override def afterAll { - tearDownKafka() + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown() + kafkaTestUtils = null + } } after { @@ -72,12 +82,12 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase val topics = Set("basic1", "basic2", "basic3") val data = Map("a" -> 7, "b" -> 9) topics.foreach { t => - createTopic(t) - sendMessages(t, data) + kafkaTestUtils.createTopic(t) + kafkaTestUtils.sendMessages(t, data) } val totalSent = data.values.sum * topics.size val kafkaParams = Map( - "metadata.broker.list" -> s"$brokerAddress", + "metadata.broker.list" -> kafkaTestUtils.brokerAddress, "auto.offset.reset" -> "smallest" ) @@ -121,9 +131,9 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase val topic = "largest" val topicPartition = TopicAndPartition(topic, 0) val data = Map("a" -> 10) - createTopic(topic) + kafkaTestUtils.createTopic(topic) val kafkaParams = Map( - "metadata.broker.list" -> s"$brokerAddress", + "metadata.broker.list" -> kafkaTestUtils.brokerAddress, "auto.offset.reset" -> "largest" ) val kc = new KafkaCluster(kafkaParams) @@ -132,7 +142,7 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase } // Send some initial messages before starting context - sendMessages(topic, data) + kafkaTestUtils.sendMessages(topic, data) eventually(timeout(10 seconds), interval(20 milliseconds)) { assert(getLatestOffset() > 3) } @@ -154,7 +164,7 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase stream.map { _._2 }.foreachRDD { rdd => collectedData ++= rdd.collect() } ssc.start() val newData = Map("b" -> 10) - sendMessages(topic, newData) + kafkaTestUtils.sendMessages(topic, newData) eventually(timeout(10 seconds), interval(50 milliseconds)) { collectedData.contains("b") } @@ -166,9 +176,9 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase val topic = "offset" val topicPartition = TopicAndPartition(topic, 0) val data = Map("a" -> 10) - createTopic(topic) + kafkaTestUtils.createTopic(topic) val kafkaParams = Map( - "metadata.broker.list" -> s"$brokerAddress", + "metadata.broker.list" -> kafkaTestUtils.brokerAddress, "auto.offset.reset" -> "largest" ) val kc = new KafkaCluster(kafkaParams) @@ -177,7 +187,7 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase } // Send some initial messages before starting context - sendMessages(topic, data) + kafkaTestUtils.sendMessages(topic, data) eventually(timeout(10 seconds), interval(20 milliseconds)) { assert(getLatestOffset() >= 10) } @@ -200,7 +210,7 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase stream.foreachRDD { rdd => collectedData ++= rdd.collect() } ssc.start() val newData = Map("b" -> 10) - sendMessages(topic, newData) + kafkaTestUtils.sendMessages(topic, newData) eventually(timeout(10 seconds), interval(50 milliseconds)) { collectedData.contains("b") } @@ -210,18 +220,18 @@ class DirectKafkaStreamSuite extends KafkaStreamSuiteBase // Test to verify the offset ranges can be recovered from the checkpoints test("offset recovery") { val topic = "recovery" - createTopic(topic) + kafkaTestUtils.createTopic(topic) testDir = Utils.createTempDir() val kafkaParams = Map( - "metadata.broker.list" -> s"$brokerAddress", + "metadata.broker.list" -> kafkaTestUtils.brokerAddress, "auto.offset.reset" -> "smallest" ) // Send data to Kafka and wait for it to be received def sendDataAndWaitForReceive(data: Seq[Int]) { val strings = data.map { _.toString} - sendMessages(topic, strings.map { _ -> 1}.toMap) + kafkaTestUtils.sendMessages(topic, strings.map { _ -> 1}.toMap) eventually(timeout(10 seconds), interval(50 milliseconds)) { assert(strings.forall { DirectKafkaStreamSuite.collectedData.contains }) } diff --git a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaClusterSuite.scala b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaClusterSuite.scala index fc9275b720..2b33d2a220 100644 --- a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaClusterSuite.scala +++ b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaClusterSuite.scala @@ -20,28 +20,35 @@ package org.apache.spark.streaming.kafka import scala.util.Random import kafka.common.TopicAndPartition -import org.scalatest.BeforeAndAfterAll +import org.scalatest.{BeforeAndAfterAll, FunSuite} -class KafkaClusterSuite extends KafkaStreamSuiteBase with BeforeAndAfterAll { - val topic = "kcsuitetopic" + Random.nextInt(10000) - val topicAndPartition = TopicAndPartition(topic, 0) - var kc: KafkaCluster = null +class KafkaClusterSuite extends FunSuite with BeforeAndAfterAll { + private val topic = "kcsuitetopic" + Random.nextInt(10000) + private val topicAndPartition = TopicAndPartition(topic, 0) + private var kc: KafkaCluster = null + + private var kafkaTestUtils: KafkaTestUtils = _ override def beforeAll() { - setupKafka() - createTopic(topic) - sendMessages(topic, Map("a" -> 1)) - kc = new KafkaCluster(Map("metadata.broker.list" -> s"$brokerAddress")) + kafkaTestUtils = new KafkaTestUtils + kafkaTestUtils.setup() + + kafkaTestUtils.createTopic(topic) + kafkaTestUtils.sendMessages(topic, Map("a" -> 1)) + kc = new KafkaCluster(Map("metadata.broker.list" -> kafkaTestUtils.brokerAddress)) } override def afterAll() { - tearDownKafka() + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown() + kafkaTestUtils = null + } } test("metadata apis") { val leader = kc.findLeaders(Set(topicAndPartition)).right.get(topicAndPartition) val leaderAddress = s"${leader._1}:${leader._2}" - assert(leaderAddress === brokerAddress, "didn't get leader") + assert(leaderAddress === kafkaTestUtils.brokerAddress, "didn't get leader") val parts = kc.getPartitions(Set(topic)).right.get assert(parts(topicAndPartition), "didn't get partitions") diff --git a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaRDDSuite.scala b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaRDDSuite.scala index a223da70b0..7d26ce5087 100644 --- a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaRDDSuite.scala +++ b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaRDDSuite.scala @@ -22,18 +22,22 @@ import scala.util.Random import kafka.serializer.StringDecoder import kafka.common.TopicAndPartition import kafka.message.MessageAndMetadata -import org.scalatest.BeforeAndAfterAll +import org.scalatest.{BeforeAndAfterAll, FunSuite} import org.apache.spark._ -import org.apache.spark.SparkContext._ -class KafkaRDDSuite extends KafkaStreamSuiteBase with BeforeAndAfterAll { - val sparkConf = new SparkConf().setMaster("local[4]").setAppName(this.getClass.getSimpleName) - var sc: SparkContext = _ +class KafkaRDDSuite extends FunSuite with BeforeAndAfterAll { + + private var kafkaTestUtils: KafkaTestUtils = _ + + private val sparkConf = new SparkConf().setMaster("local[4]") + .setAppName(this.getClass.getSimpleName) + private var sc: SparkContext = _ + override def beforeAll { sc = new SparkContext(sparkConf) - - setupKafka() + kafkaTestUtils = new KafkaTestUtils + kafkaTestUtils.setup() } override def afterAll { @@ -41,17 +45,21 @@ class KafkaRDDSuite extends KafkaStreamSuiteBase with BeforeAndAfterAll { sc.stop sc = null } - tearDownKafka() + + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown() + kafkaTestUtils = null + } } test("basic usage") { val topic = "topicbasic" - createTopic(topic) + kafkaTestUtils.createTopic(topic) val messages = Set("the", "quick", "brown", "fox") - sendMessages(topic, messages.toArray) + kafkaTestUtils.sendMessages(topic, messages.toArray) - val kafkaParams = Map("metadata.broker.list" -> brokerAddress, + val kafkaParams = Map("metadata.broker.list" -> kafkaTestUtils.brokerAddress, "group.id" -> s"test-consumer-${Random.nextInt(10000)}") val offsetRanges = Array(OffsetRange(topic, 0, 0, messages.size)) @@ -67,15 +75,15 @@ class KafkaRDDSuite extends KafkaStreamSuiteBase with BeforeAndAfterAll { // the idea is to find e.g. off-by-one errors between what kafka has available and the rdd val topic = "topic1" val sent = Map("a" -> 5, "b" -> 3, "c" -> 10) - createTopic(topic) + kafkaTestUtils.createTopic(topic) - val kafkaParams = Map("metadata.broker.list" -> brokerAddress, + val kafkaParams = Map("metadata.broker.list" -> kafkaTestUtils.brokerAddress, "group.id" -> s"test-consumer-${Random.nextInt(10000)}") val kc = new KafkaCluster(kafkaParams) // this is the "lots of messages" case - sendMessages(topic, sent) + kafkaTestUtils.sendMessages(topic, sent) // rdd defined from leaders after sending messages, should get the number sent val rdd = getRdd(kc, Set(topic)) @@ -92,14 +100,14 @@ class KafkaRDDSuite extends KafkaStreamSuiteBase with BeforeAndAfterAll { // shouldn't get anything, since message is sent after rdd was defined val sentOnlyOne = Map("d" -> 1) - sendMessages(topic, sentOnlyOne) + kafkaTestUtils.sendMessages(topic, sentOnlyOne) assert(rdd2.isDefined) assert(rdd2.get.count === 0, "got messages when there shouldn't be any") // this is the "exactly 1 message" case, namely the single message from sentOnlyOne above val rdd3 = getRdd(kc, Set(topic)) // send lots of messages after rdd was defined, they shouldn't show up - sendMessages(topic, Map("extra" -> 22)) + kafkaTestUtils.sendMessages(topic, Map("extra" -> 22)) assert(rdd3.isDefined) assert(rdd3.get.count === sentOnlyOne.values.sum, "didn't get exactly one message") diff --git a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaStreamSuite.scala b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaStreamSuite.scala index e4966eebb9..24699dfc33 100644 --- a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaStreamSuite.scala +++ b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/KafkaStreamSuite.scala @@ -17,209 +17,38 @@ package org.apache.spark.streaming.kafka -import java.io.File -import java.net.InetSocketAddress -import java.util.Properties - import scala.collection.mutable import scala.concurrent.duration._ import scala.language.postfixOps import scala.util.Random -import kafka.admin.AdminUtils -import kafka.common.{KafkaException, TopicAndPartition} -import kafka.producer.{KeyedMessage, Producer, ProducerConfig} -import kafka.serializer.{StringDecoder, StringEncoder} -import kafka.server.{KafkaConfig, KafkaServer} -import kafka.utils.ZKStringSerializer -import org.I0Itec.zkclient.ZkClient -import org.apache.zookeeper.server.{NIOServerCnxnFactory, ZooKeeperServer} -import org.scalatest.{BeforeAndAfter, FunSuite} +import kafka.serializer.StringDecoder +import org.scalatest.{BeforeAndAfterAll, FunSuite} import org.scalatest.concurrent.Eventually -import org.apache.spark.{Logging, SparkConf} +import org.apache.spark.SparkConf import org.apache.spark.storage.StorageLevel import org.apache.spark.streaming.{Milliseconds, StreamingContext} -import org.apache.spark.util.Utils - -/** - * This is an abstract base class for Kafka testsuites. This has the functionality to set up - * and tear down local Kafka servers, and to push data using Kafka producers. - */ -abstract class KafkaStreamSuiteBase extends FunSuite with Eventually with Logging { - - private val zkHost = "localhost" - private var zkPort: Int = 0 - private val zkConnectionTimeout = 6000 - private val zkSessionTimeout = 6000 - private var zookeeper: EmbeddedZookeeper = _ - private val brokerHost = "localhost" - private var brokerPort = 9092 - private var brokerConf: KafkaConfig = _ - private var server: KafkaServer = _ - private var producer: Producer[String, String] = _ - private var zkReady = false - private var brokerReady = false - - protected var zkClient: ZkClient = _ - - def zkAddress: String = { - assert(zkReady, "Zookeeper not setup yet or already torn down, cannot get zookeeper address") - s"$zkHost:$zkPort" - } - def brokerAddress: String = { - assert(brokerReady, "Kafka not setup yet or already torn down, cannot get broker address") - s"$brokerHost:$brokerPort" - } - - def setupKafka() { - // Zookeeper server startup - zookeeper = new EmbeddedZookeeper(s"$zkHost:$zkPort") - // Get the actual zookeeper binding port - zkPort = zookeeper.actualPort - zkReady = true - logInfo("==================== Zookeeper Started ====================") +class KafkaStreamSuite extends FunSuite with Eventually with BeforeAndAfterAll { + private var ssc: StreamingContext = _ + private var kafkaTestUtils: KafkaTestUtils = _ - zkClient = new ZkClient(zkAddress, zkSessionTimeout, zkConnectionTimeout, ZKStringSerializer) - logInfo("==================== Zookeeper Client Created ====================") - - // Kafka broker startup - var bindSuccess: Boolean = false - while(!bindSuccess) { - try { - val brokerProps = getBrokerConfig() - brokerConf = new KafkaConfig(brokerProps) - server = new KafkaServer(brokerConf) - server.startup() - logInfo("==================== Kafka Broker Started ====================") - bindSuccess = true - } catch { - case e: KafkaException => - if (e.getMessage != null && e.getMessage.contains("Socket server failed to bind to")) { - brokerPort += 1 - } - case e: Exception => throw new Exception("Kafka server create failed", e) - } - } - - Thread.sleep(2000) - logInfo("==================== Kafka + Zookeeper Ready ====================") - brokerReady = true + override def beforeAll(): Unit = { + kafkaTestUtils = new KafkaTestUtils + kafkaTestUtils.setup() } - def tearDownKafka() { - brokerReady = false - zkReady = false - if (producer != null) { - producer.close() - producer = null - } - - if (server != null) { - server.shutdown() - server = null - } - - brokerConf.logDirs.foreach { f => Utils.deleteRecursively(new File(f)) } - - if (zkClient != null) { - zkClient.close() - zkClient = null - } - - if (zookeeper != null) { - zookeeper.shutdown() - zookeeper = null - } - } - - def createTopic(topic: String) { - AdminUtils.createTopic(zkClient, topic, 1, 1) - // wait until metadata is propagated - waitUntilMetadataIsPropagated(topic, 0) - logInfo(s"==================== Topic $topic Created ====================") - } - - def sendMessages(topic: String, messageToFreq: Map[String, Int]) { - val messages = messageToFreq.flatMap { case (s, freq) => Seq.fill(freq)(s) }.toArray - sendMessages(topic, messages) - } - - def sendMessages(topic: String, messages: Array[String]) { - producer = new Producer[String, String](new ProducerConfig(getProducerConfig())) - producer.send(messages.map { new KeyedMessage[String, String](topic, _ ) }: _*) - producer.close() - logInfo(s"==================== Sent Messages: ${messages.mkString(", ")} ====================") - } - - private def getBrokerConfig(): Properties = { - val props = new Properties() - props.put("broker.id", "0") - props.put("host.name", "localhost") - props.put("port", brokerPort.toString) - props.put("log.dir", Utils.createTempDir().getAbsolutePath) - props.put("zookeeper.connect", zkAddress) - props.put("log.flush.interval.messages", "1") - props.put("replica.socket.timeout.ms", "1500") - props - } - - private def getProducerConfig(): Properties = { - val brokerAddr = brokerConf.hostName + ":" + brokerConf.port - val props = new Properties() - props.put("metadata.broker.list", brokerAddr) - props.put("serializer.class", classOf[StringEncoder].getName) - props - } - - private def waitUntilMetadataIsPropagated(topic: String, partition: Int) { - eventually(timeout(10000 milliseconds), interval(100 milliseconds)) { - assert( - server.apis.metadataCache.containsTopicAndPartition(topic, partition), - s"Partition [$topic, $partition] metadata not propagated after timeout" - ) - } - } - - class EmbeddedZookeeper(val zkConnect: String) { - val random = new Random() - val snapshotDir = Utils.createTempDir() - val logDir = Utils.createTempDir() - - val zookeeper = new ZooKeeperServer(snapshotDir, logDir, 500) - val (ip, port) = { - val splits = zkConnect.split(":") - (splits(0), splits(1).toInt) - } - val factory = new NIOServerCnxnFactory() - factory.configure(new InetSocketAddress(ip, port), 16) - factory.startup(zookeeper) - - val actualPort = factory.getLocalPort - - def shutdown() { - factory.shutdown() - Utils.deleteRecursively(snapshotDir) - Utils.deleteRecursively(logDir) - } - } -} - - -class KafkaStreamSuite extends KafkaStreamSuiteBase with BeforeAndAfter { - var ssc: StreamingContext = _ - - before { - setupKafka() - } - - after { + override def afterAll(): Unit = { if (ssc != null) { ssc.stop() ssc = null } - tearDownKafka() + + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown() + kafkaTestUtils = null + } } test("Kafka input stream") { @@ -227,10 +56,10 @@ class KafkaStreamSuite extends KafkaStreamSuiteBase with BeforeAndAfter { ssc = new StreamingContext(sparkConf, Milliseconds(500)) val topic = "topic1" val sent = Map("a" -> 5, "b" -> 3, "c" -> 10) - createTopic(topic) - sendMessages(topic, sent) + kafkaTestUtils.createTopic(topic) + kafkaTestUtils.sendMessages(topic, sent) - val kafkaParams = Map("zookeeper.connect" -> zkAddress, + val kafkaParams = Map("zookeeper.connect" -> kafkaTestUtils.zkAddress, "group.id" -> s"test-consumer-${Random.nextInt(10000)}", "auto.offset.reset" -> "smallest") @@ -244,14 +73,14 @@ class KafkaStreamSuite extends KafkaStreamSuiteBase with BeforeAndAfter { result.put(kv._1, count) } } + ssc.start() + eventually(timeout(10000 milliseconds), interval(100 milliseconds)) { assert(sent.size === result.size) sent.keys.foreach { k => assert(sent(k) === result(k).toInt) } } - ssc.stop() } } - diff --git a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/ReliableKafkaStreamSuite.scala b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/ReliableKafkaStreamSuite.scala index 3cd960d1fd..38548dd73b 100644 --- a/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/ReliableKafkaStreamSuite.scala +++ b/external/kafka/src/test/scala/org/apache/spark/streaming/kafka/ReliableKafkaStreamSuite.scala @@ -17,7 +17,6 @@ package org.apache.spark.streaming.kafka - import java.io.File import scala.collection.mutable @@ -27,7 +26,7 @@ import scala.util.Random import kafka.serializer.StringDecoder import kafka.utils.{ZKGroupTopicDirs, ZkUtils} -import org.scalatest.BeforeAndAfter +import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll, FunSuite} import org.scalatest.concurrent.Eventually import org.apache.spark.SparkConf @@ -35,47 +34,61 @@ import org.apache.spark.storage.StorageLevel import org.apache.spark.streaming.{Milliseconds, StreamingContext} import org.apache.spark.util.Utils -class ReliableKafkaStreamSuite extends KafkaStreamSuiteBase with BeforeAndAfter with Eventually { +class ReliableKafkaStreamSuite extends FunSuite + with BeforeAndAfterAll with BeforeAndAfter with Eventually { - val sparkConf = new SparkConf() + private val sparkConf = new SparkConf() .setMaster("local[4]") .setAppName(this.getClass.getSimpleName) .set("spark.streaming.receiver.writeAheadLog.enable", "true") - val data = Map("a" -> 10, "b" -> 10, "c" -> 10) + private val data = Map("a" -> 10, "b" -> 10, "c" -> 10) + private var kafkaTestUtils: KafkaTestUtils = _ - var groupId: String = _ - var kafkaParams: Map[String, String] = _ - var ssc: StreamingContext = _ - var tempDirectory: File = null + private var groupId: String = _ + private var kafkaParams: Map[String, String] = _ + private var ssc: StreamingContext = _ + private var tempDirectory: File = null + + override def beforeAll() : Unit = { + kafkaTestUtils = new KafkaTestUtils + kafkaTestUtils.setup() - before { - setupKafka() groupId = s"test-consumer-${Random.nextInt(10000)}" kafkaParams = Map( - "zookeeper.connect" -> zkAddress, + "zookeeper.connect" -> kafkaTestUtils.zkAddress, "group.id" -> groupId, "auto.offset.reset" -> "smallest" ) - ssc = new StreamingContext(sparkConf, Milliseconds(500)) tempDirectory = Utils.createTempDir() + } + + override def afterAll(): Unit = { + Utils.deleteRecursively(tempDirectory) + + if (kafkaTestUtils != null) { + kafkaTestUtils.teardown() + kafkaTestUtils = null + } + } + + before { + ssc = new StreamingContext(sparkConf, Milliseconds(500)) ssc.checkpoint(tempDirectory.getAbsolutePath) } after { if (ssc != null) { ssc.stop() + ssc = null } - Utils.deleteRecursively(tempDirectory) - tearDownKafka() } - test("Reliable Kafka input stream with single topic") { - var topic = "test-topic" - createTopic(topic) - sendMessages(topic, data) + val topic = "test-topic" + kafkaTestUtils.createTopic(topic) + kafkaTestUtils.sendMessages(topic, data) // Verify whether the offset of this group/topic/partition is 0 before starting. assert(getCommitOffset(groupId, topic, 0) === None) @@ -91,6 +104,7 @@ class ReliableKafkaStreamSuite extends KafkaStreamSuiteBase with BeforeAndAfter } } ssc.start() + eventually(timeout(20000 milliseconds), interval(200 milliseconds)) { // A basic process verification for ReliableKafkaReceiver. // Verify whether received message number is equal to the sent message number. @@ -100,14 +114,13 @@ class ReliableKafkaStreamSuite extends KafkaStreamSuiteBase with BeforeAndAfter // Verify the offset number whether it is equal to the total message number. assert(getCommitOffset(groupId, topic, 0) === Some(29L)) } - ssc.stop() } test("Reliable Kafka input stream with multiple topics") { val topics = Map("topic1" -> 1, "topic2" -> 1, "topic3" -> 1) topics.foreach { case (t, _) => - createTopic(t) - sendMessages(t, data) + kafkaTestUtils.createTopic(t) + kafkaTestUtils.sendMessages(t, data) } // Before started, verify all the group/topic/partition offsets are 0. @@ -118,19 +131,18 @@ class ReliableKafkaStreamSuite extends KafkaStreamSuiteBase with BeforeAndAfter ssc, kafkaParams, topics, StorageLevel.MEMORY_ONLY) stream.foreachRDD(_ => Unit) ssc.start() + eventually(timeout(20000 milliseconds), interval(100 milliseconds)) { // Verify the offset for each group/topic to see whether they are equal to the expected one. topics.foreach { case (t, _) => assert(getCommitOffset(groupId, t, 0) === Some(29L)) } } - ssc.stop() } /** Getting partition offset from Zookeeper. */ private def getCommitOffset(groupId: String, topic: String, partition: Int): Option[Long] = { - assert(zkClient != null, "Zookeeper client is not initialized") val topicDirs = new ZKGroupTopicDirs(groupId, topic) val zkPath = s"${topicDirs.consumerOffsetDir}/$partition" - ZkUtils.readDataMaybeNull(zkClient, zkPath)._1.map(_.toLong) + ZkUtils.readDataMaybeNull(kafkaTestUtils.zookeeperClient, zkPath)._1.map(_.toLong) } } |