| 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.Date; |
| import java.util.List; |
| |
| 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.mock.participant.MockMSModelFactory; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.Message; |
| import org.apache.helix.tools.ClusterSetup; |
| import org.apache.helix.tools.ClusterStateVerifier; |
| import org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestAddStateModelFactoryAfterConnect extends ZkTestBase { |
| @Test |
| public void testBasic() throws Exception { |
| // Logger.getRootLogger().setLevel(Level.INFO); |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| String clusterName = className + "_" + methodName; |
| final int n = 5; |
| |
| System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| MockParticipantManager[] participants = new MockParticipantManager[n]; |
| |
| TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant port |
| "localhost", // participant name prefix |
| "TestDB", // resource name prefix |
| 1, // resources |
| 10, // partitions per resource |
| n, // number of nodes |
| 3, // replicas |
| "MasterSlave", true); // do rebalance |
| |
| ClusterControllerManager controller = |
| new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0"); |
| controller.syncStart(); |
| |
| // start participants |
| for (int i = 0; i < n; i++) { |
| String instanceName = "localhost_" + (12918 + i); |
| |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| participants[i].syncStart(); |
| } |
| |
| boolean result = |
| ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, |
| clusterName)); |
| Assert.assertTrue(result); |
| |
| // add a new idealState without registering message handling factory |
| ClusterSetup setupTool = new ClusterSetup(ZK_ADDR); |
| setupTool.addResourceToCluster(clusterName, "TestDB1", 16, "MasterSlave"); |
| |
| ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient); |
| ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor); |
| Builder keyBuilder = accessor.keyBuilder(); |
| IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB1")); |
| idealState.setStateModelFactoryName("TestDB1_Factory"); |
| accessor.setProperty(keyBuilder.idealStates("TestDB1"), idealState); |
| setupTool.rebalanceStorageCluster(clusterName, "TestDB1", 3); |
| |
| // assert that we have received OFFLINE->SLAVE messages for all partitions |
| int totalMsgs = 0; |
| for (int retry = 0; retry < 5; retry++) { |
| Thread.sleep(100); |
| totalMsgs = 0; |
| for (int i = 0; i < n; i++) { |
| List<Message> msgs = |
| accessor.getChildValues(keyBuilder.messages(participants[i].getInstanceName())); |
| totalMsgs += msgs.size(); |
| } |
| |
| if (totalMsgs == 48) // partition# x replicas |
| break; |
| } |
| |
| Assert |
| .assertEquals( |
| totalMsgs, |
| 48, |
| "Should accumulated 48 unprocessed messages (1 O->S per partition per replica) because TestDB1 is added without state-model-factory but was " |
| + totalMsgs); |
| |
| // register "TestDB1_Factory" state model factory |
| // Logger.getRootLogger().setLevel(Level.INFO); |
| for (int i = 0; i < n; i++) { |
| participants[i].getStateMachineEngine() |
| .registerStateModelFactory("MasterSlave", new MockMSModelFactory(), "TestDB1_Factory"); |
| } |
| |
| result = |
| ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, |
| clusterName)); |
| Assert.assertTrue(result); |
| |
| // clean up |
| // wait for all zk callbacks done |
| controller.syncStop(); |
| for (int i = 0; i < 5; i++) { |
| participants[i].syncStop(); |
| } |
| deleteCluster(clusterName); |
| |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| } |
| } |