| /* |
| * 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.kafka.controller; |
| |
| import java.util.Collections; |
| import org.apache.kafka.common.errors.StaleBrokerEpochException; |
| import org.apache.kafka.common.errors.UnknownServerException; |
| import org.apache.kafka.common.metadata.ProducerIdsRecord; |
| import org.apache.kafka.common.metadata.RegisterBrokerRecord; |
| import org.apache.kafka.common.security.auth.SecurityProtocol; |
| import org.apache.kafka.common.utils.LogContext; |
| import org.apache.kafka.common.utils.MockTime; |
| import org.apache.kafka.server.common.ProducerIdsBlock; |
| import org.apache.kafka.timeline.SnapshotRegistry; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| |
| public class ProducerIdControlManagerTest { |
| |
| private ProducerIdControlManager producerIdControlManager; |
| |
| @BeforeEach |
| public void setUp() { |
| final MockTime time = new MockTime(); |
| SnapshotRegistry snapshotRegistry = new SnapshotRegistry(new LogContext()); |
| FeatureControlManager featureControl = new FeatureControlManager.Builder(). |
| setSnapshotRegistry(snapshotRegistry). |
| setQuorumFeatures(new QuorumFeatures(0, |
| QuorumFeatures.defaultFeatureMap(true), |
| Collections.singletonList(0))). |
| build(); |
| ClusterControlManager clusterControl = new ClusterControlManager.Builder(). |
| setTime(time). |
| setSnapshotRegistry(snapshotRegistry). |
| setSessionTimeoutNs(1000). |
| setFeatureControlManager(featureControl). |
| setBrokerUncleanShutdownHandler((brokerId, records) -> { }). |
| build(); |
| |
| clusterControl.activate(); |
| for (int i = 0; i < 4; i++) { |
| RegisterBrokerRecord brokerRecord = new RegisterBrokerRecord().setBrokerEpoch(100).setBrokerId(i); |
| brokerRecord.endPoints().add(new RegisterBrokerRecord.BrokerEndpoint(). |
| setSecurityProtocol(SecurityProtocol.PLAINTEXT.id). |
| setPort((short) 9092). |
| setName("PLAINTEXT"). |
| setHost(String.format("broker-%02d.example.org", i))); |
| clusterControl.replay(brokerRecord, 100L); |
| } |
| |
| this.producerIdControlManager = new ProducerIdControlManager.Builder(). |
| setClusterControlManager(clusterControl). |
| setSnapshotRegistry(snapshotRegistry). |
| build(); |
| } |
| |
| @Test |
| public void testInitialResult() { |
| ControllerResult<ProducerIdsBlock> result = |
| producerIdControlManager.generateNextProducerId(1, 100); |
| assertEquals(0, result.response().firstProducerId()); |
| assertEquals(1000, result.response().size()); |
| ProducerIdsRecord record = (ProducerIdsRecord) result.records().get(0).message(); |
| assertEquals(1000, record.nextProducerId()); |
| } |
| |
| @Test |
| public void testMonotonic() { |
| producerIdControlManager.replay( |
| new ProducerIdsRecord() |
| .setBrokerId(1) |
| .setBrokerEpoch(100) |
| .setNextProducerId(42)); |
| |
| ProducerIdsBlock range = |
| producerIdControlManager.generateNextProducerId(1, 100).response(); |
| assertEquals(42, range.firstProducerId()); |
| |
| // Can't go backwards in Producer IDs |
| assertThrows(RuntimeException.class, () -> { |
| producerIdControlManager.replay( |
| new ProducerIdsRecord() |
| .setBrokerId(1) |
| .setBrokerEpoch(100) |
| .setNextProducerId(40)); |
| }, "Producer ID range must only increase"); |
| assertThrows(RuntimeException.class, () -> { |
| producerIdControlManager.replay( |
| new ProducerIdsRecord() |
| .setBrokerId(2) |
| .setBrokerEpoch(100) |
| .setNextProducerId(42)); |
| }, "Producer ID range must only increase"); |
| range = producerIdControlManager.generateNextProducerId(3, 100).response(); |
| assertEquals(42, range.firstProducerId()); |
| |
| // Gaps in the ID range are okay. |
| producerIdControlManager.replay( |
| new ProducerIdsRecord() |
| .setBrokerId(1) |
| .setBrokerEpoch(100) |
| .setNextProducerId(50)); |
| range = producerIdControlManager.generateNextProducerId(1, 100).response(); |
| assertEquals(50, range.firstProducerId()); |
| } |
| |
| @Test |
| public void testUnknownBrokerOrEpoch() { |
| assertThrows(StaleBrokerEpochException.class, () -> |
| producerIdControlManager.generateNextProducerId(99, 0)); |
| |
| assertThrows(StaleBrokerEpochException.class, () -> |
| producerIdControlManager.generateNextProducerId(1, 99)); |
| } |
| |
| @Test |
| public void testMaxValue() { |
| producerIdControlManager.replay( |
| new ProducerIdsRecord() |
| .setBrokerId(1) |
| .setBrokerEpoch(100) |
| .setNextProducerId(Long.MAX_VALUE - 1)); |
| |
| assertThrows(UnknownServerException.class, () -> |
| producerIdControlManager.generateNextProducerId(1, 100)); |
| } |
| |
| @Test |
| public void testGenerateProducerIds() { |
| for (int i = 0; i < 100; i++) { |
| generateProducerIds(producerIdControlManager, i % 4, 100); |
| } |
| assertEquals(new ProducerIdsBlock(3, 100000, 1000), producerIdControlManager.nextProducerBlock()); |
| } |
| |
| static ProducerIdsBlock generateProducerIds( |
| ProducerIdControlManager producerIdControlManager, int brokerId, long brokerEpoch) { |
| ControllerResult<ProducerIdsBlock> result = |
| producerIdControlManager.generateNextProducerId(brokerId, brokerEpoch); |
| result.records().forEach(apiMessageAndVersion -> |
| producerIdControlManager.replay((ProducerIdsRecord) apiMessageAndVersion.message())); |
| return result.response(); |
| } |
| } |