| package org.apache.helix.integration; |
| |
| /* |
| * 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.Arrays; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.helix.PropertyKey.Builder; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.ZNRecord; |
| import org.apache.helix.common.ZkTestBase; |
| 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.manager.zk.ZkBaseDataAccessor; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.IdealState.RebalanceMode; |
| import org.apache.helix.tools.ClusterStateVerifier; |
| import org.apache.helix.tools.DefaultIdealStateCalculator; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestRenamePartition extends ZkTestBase { |
| // map from clusterName to participants |
| private final Map<String, MockParticipantManager[]> _participantMap = new ConcurrentHashMap<>(); |
| |
| // map from clusterName to controllers |
| private final Map<String, ClusterControllerManager> _controllerMap = new ConcurrentHashMap<>(); |
| |
| @Test() |
| public void testRenamePartitionAutoIS() throws Exception { |
| String clusterName = "CLUSTER_" + getShortClassName() + "_auto"; |
| System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port |
| "localhost", // participant name prefix |
| "TestDB", // resource name prefix |
| 1, // resources |
| 10, // partitions per resource |
| 5, // number of nodes |
| 3, // replicas |
| "MasterSlave", true); // do rebalance |
| |
| startAndVerify(clusterName); |
| |
| // rename partition name TestDB0_0 tp TestDB0_100 |
| ZKHelixDataAccessor accessor = |
| new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<>(_gZkClient)); |
| Builder keyBuilder = accessor.keyBuilder(); |
| |
| IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0")); |
| |
| List<String> prioList = idealState.getRecord().getListFields().remove("TestDB0_0"); |
| idealState.getRecord().getListFields().put("TestDB0_100", prioList); |
| accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState); |
| |
| boolean result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| stop(clusterName); |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| @Test() |
| public void testRenamePartitionCustomIS() throws Exception { |
| |
| String clusterName = "CLUSTER_" + getShortClassName() + "_custom"; |
| System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port |
| "localhost", // participant name prefix |
| "TestDB", // resource name prefix |
| 1, // resources |
| 10, // partitions per resource |
| 5, // number of nodes |
| 3, // replicas |
| "MasterSlave", false); // do rebalance |
| |
| // calculate idealState |
| List<String> instanceNames = Arrays.asList("localhost_12918", "localhost_12919", |
| "localhost_12920", "localhost_12921", "localhost_12922"); |
| ZNRecord destIS = DefaultIdealStateCalculator.calculateIdealState(instanceNames, 10, 3 - 1, |
| "TestDB0", "MASTER", "SLAVE"); |
| IdealState idealState = new IdealState(destIS); |
| idealState.setRebalanceMode(RebalanceMode.CUSTOMIZED); |
| idealState.setReplicas("3"); |
| idealState.setStateModelDefRef("MasterSlave"); |
| |
| ZKHelixDataAccessor accessor = |
| new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<>(_gZkClient)); |
| Builder keyBuilder = accessor.keyBuilder(); |
| |
| accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState); |
| |
| startAndVerify(clusterName); |
| |
| Map<String, String> stateMap = idealState.getRecord().getMapFields().remove("TestDB0_0"); |
| idealState.getRecord().getMapFields().put("TestDB0_100", stateMap); |
| accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState); |
| |
| boolean result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| stop(clusterName); |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| private void startAndVerify(String clusterName) { |
| MockParticipantManager[] participants = new MockParticipantManager[5]; |
| |
| ClusterControllerManager controller = |
| new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0"); |
| controller.syncStart(); |
| |
| // start participants |
| for (int i = 0; i < 5; i++) { |
| String instanceName = "localhost_" + (12918 + i); |
| |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| participants[i].syncStart(); |
| } |
| |
| boolean result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| _participantMap.put(clusterName, participants); |
| _controllerMap.put(clusterName, controller); |
| } |
| |
| private void stop(String clusterName) { |
| ClusterControllerManager controller = _controllerMap.get(clusterName); |
| if (controller != null) { |
| controller.syncStop(); |
| } |
| |
| MockParticipantManager[] participants = _participantMap.get(clusterName); |
| if (participants != null) { |
| for (MockParticipantManager participant : participants) { |
| participant.syncStop(); |
| } |
| } |
| |
| deleteCluster(clusterName); |
| } |
| } |