| package org.apache.helix.integration.messaging; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import org.apache.helix.ConfigAccessor; |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.NotificationContext; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.common.ZkTestBase; |
| import org.apache.helix.controller.rebalancer.strategy.CrushEdRebalanceStrategy; |
| import org.apache.helix.integration.DelayedTransitionBase; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.manager.zk.ZKHelixDataAccessor; |
| import org.apache.helix.mock.participant.MockTransition; |
| import org.apache.helix.model.BuiltInStateModelDefinitions; |
| import org.apache.helix.model.MasterSlaveSMD; |
| import org.apache.helix.model.Message; |
| import org.apache.helix.tools.ClusterVerifiers.BestPossibleExternalViewVerifier; |
| import org.apache.helix.tools.ClusterVerifiers.ZkHelixClusterVerifier; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class TestP2PSingleTopState extends ZkTestBase { |
| |
| final String CLASS_NAME = getShortClassName(); |
| final String CLUSTER_NAME = CLUSTER_PREFIX + "_" + CLASS_NAME; |
| |
| static final int PARTICIPANT_NUMBER = 24; |
| static final int PARTICIPANT_START_PORT = 12918; |
| |
| static final int DB_COUNT = 2; |
| |
| static final int PARTITION_NUMBER = 50; |
| static final int REPLICA_NUMBER = 3; |
| |
| final String _controllerName = CONTROLLER_PREFIX + "_0"; |
| |
| List<MockParticipantManager> _participants = new ArrayList<>(); |
| List<String> _instances = new ArrayList<>(); |
| ClusterControllerManager _controller; |
| |
| ZkHelixClusterVerifier _clusterVerifier; |
| ConfigAccessor _configAccessor; |
| HelixDataAccessor _accessor; |
| |
| @BeforeClass |
| public void beforeClass() { |
| System.out |
| .println("START " + getShortClassName() + " at " + new Date(System.currentTimeMillis())); |
| |
| // setup storage cluster |
| _gSetupTool.addCluster(CLUSTER_NAME, true); |
| |
| for (int i = 0; i < PARTICIPANT_NUMBER / 2; i++) { |
| String instance = PARTICIPANT_PREFIX + "_" + (PARTICIPANT_START_PORT + i); |
| _gSetupTool.addInstanceToCluster(CLUSTER_NAME, instance); |
| _instances.add(instance); |
| } |
| |
| // start dummy participants |
| for (int i = 0; i < PARTICIPANT_NUMBER / 2; i++) { |
| MockParticipantManager participant = |
| new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, _instances.get(i)); |
| participant.setTransition(new DelayedTransitionBase(100)); |
| participant.syncStart(); |
| participant.setTransition(new TestTransition(participant.getInstanceName())); |
| _participants.add(participant); |
| } |
| |
| _configAccessor = new ConfigAccessor(_gZkClient); |
| _accessor = new ZKHelixDataAccessor(CLUSTER_NAME, _baseAccessor); |
| |
| enableDelayRebalanceInCluster(_gZkClient, CLUSTER_NAME, true, 1000000); |
| // enableDelayRebalanceInCluster(_gZkClient, CLUSTER_NAME, false); |
| enablePersistBestPossibleAssignment(_gZkClient, CLUSTER_NAME, true); |
| enableP2PInCluster(CLUSTER_NAME, _configAccessor, true); |
| |
| // start controller |
| _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, _controllerName); |
| _controller.syncStart(); |
| |
| for (int i = 0; i < DB_COUNT; i++) { |
| createResourceWithDelayedRebalance(CLUSTER_NAME, "TestDB_" + i, |
| BuiltInStateModelDefinitions.MasterSlave.name(), PARTITION_NUMBER, REPLICA_NUMBER, |
| REPLICA_NUMBER - 1, 1000000L, CrushEdRebalanceStrategy.class.getName()); |
| } |
| |
| _clusterVerifier = |
| new BestPossibleExternalViewVerifier.Builder(CLUSTER_NAME).setZkClient(_gZkClient) |
| .setWaitTillVerify(TestHelper.DEFAULT_REBALANCE_PROCESSING_WAIT_TIME) |
| .build(); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| } |
| |
| @AfterClass |
| public void afterClass() throws Exception { |
| _controller.syncStop(); |
| for (MockParticipantManager p : _participants) { |
| p.syncStop(); |
| } |
| deleteCluster(CLUSTER_NAME); |
| System.out.println("END " + CLASS_NAME + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| @Test |
| public void testRollingUpgrade() throws InterruptedException { |
| // rolling upgrade the cluster |
| for (String ins : _instances) { |
| System.out.println("Disable " + ins); |
| _gSetupTool.getClusterManagementTool().enableInstance(CLUSTER_NAME, ins, false); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| System.out.println("Enable " + ins); |
| _gSetupTool.getClusterManagementTool().enableInstance(CLUSTER_NAME, ins, true); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| } |
| |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| Assert.assertFalse(TestTransition.duplicatedPartitionsSnapshot.keys().hasMoreElements()); |
| } |
| |
| @Test |
| public void testAddInstances() throws InterruptedException { |
| for (int i = PARTICIPANT_NUMBER / 2; i < PARTICIPANT_NUMBER; i++) { |
| String instance = PARTICIPANT_PREFIX + "_" + (PARTICIPANT_START_PORT + i); |
| _gSetupTool.addInstanceToCluster(CLUSTER_NAME, instance); |
| _instances.add(instance); |
| MockParticipantManager participant = |
| new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, _instances.get(i)); |
| participant.setTransition(new DelayedTransitionBase(100)); |
| participant.syncStart(); |
| participant.setTransition(new TestTransition(participant.getInstanceName())); |
| _participants.add(participant); |
| Thread.sleep(100); |
| } |
| |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| Assert.assertFalse(TestTransition.duplicatedPartitionsSnapshot.keys().hasMoreElements()); |
| } |
| |
| static class TestTransition extends MockTransition { |
| // resource.partition that having top state. |
| static ConcurrentHashMap<String, Map<String, String>> duplicatedPartitionsSnapshot = |
| new ConcurrentHashMap<>(); |
| static ConcurrentHashMap<String, Map<String, String>> ExternalViews = new ConcurrentHashMap<>(); |
| static AtomicLong totalToMaster = new AtomicLong(); |
| static AtomicLong totalRelayMessage = new AtomicLong(); |
| |
| String _instanceName; |
| |
| TestTransition(String instanceName) { |
| _instanceName = instanceName; |
| } |
| |
| public void doTransition(Message message, NotificationContext context) { |
| String to = message.getToState(); |
| String resource = message.getResourceName(); |
| String partition = message.getPartitionName(); |
| String key = resource + "." + partition; |
| |
| if (to.equals(MasterSlaveSMD.States.MASTER.name())) { |
| Map<String, String> mapFields = new HashMap<>(ExternalViews.get(key)); |
| if (mapFields.values().contains(MasterSlaveSMD.States.MASTER.name())) { |
| Map<String, String> newMapFile = new HashMap<>(mapFields); |
| newMapFile.put(_instanceName, to); |
| duplicatedPartitionsSnapshot.put(key, newMapFile); |
| } |
| |
| totalToMaster.incrementAndGet(); |
| if (message.isRelayMessage()) { |
| totalRelayMessage.incrementAndGet(); |
| } |
| } |
| |
| ExternalViews.putIfAbsent(key, new ConcurrentHashMap<>()); |
| if (to.equalsIgnoreCase("DROPPED")) { |
| ExternalViews.get(key).remove(_instanceName); |
| } else { |
| ExternalViews.get(key).put(_instanceName, to); |
| } |
| } |
| } |
| } |