| 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.HelixDataAccessor; |
| import org.apache.helix.InstanceType; |
| import org.apache.helix.NotificationContext; |
| import org.apache.helix.PropertyKey; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.apache.helix.ZkTestHelper; |
| import org.apache.helix.api.listeners.MessageListener; |
| 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.ZKHelixManager; |
| import org.apache.helix.manager.zk.ZkBaseDataAccessor; |
| import org.apache.helix.model.Message; |
| import org.apache.zookeeper.data.Stat; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestSyncSessionToController extends ZkTestBase { |
| @Test |
| public void testSyncSessionToController() throws Exception { |
| System.out |
| .println("START testSyncSessionToController at " + new Date(System.currentTimeMillis())); |
| |
| String clusterName = getShortClassName(); |
| MockParticipantManager[] participants = new MockParticipantManager[5]; |
| int resourceNb = 10; |
| TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant port |
| "localhost", // participant name prefix |
| "TestDB", // resource name prefix |
| resourceNb, // resources |
| 1, // partitions per resource |
| 5, // number of nodes |
| 1, // replicas |
| "MasterSlave", true); // do rebalance |
| |
| 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(); |
| } |
| |
| ZKHelixManager zkHelixManager = new ZKHelixManager(clusterName, "controllerMessageListener", |
| InstanceType.CONTROLLER, ZK_ADDR); |
| zkHelixManager.connect(); |
| MockMessageListener mockMessageListener = new MockMessageListener(); |
| zkHelixManager.addControllerMessageListener(mockMessageListener); |
| |
| PropertyKey.Builder keyBuilder = new PropertyKey.Builder(clusterName); |
| ZkBaseDataAccessor<ZNRecord> accessor = new ZkBaseDataAccessor<>(_gZkClient); |
| String path = keyBuilder.liveInstance("localhost_12918").getPath(); |
| Stat stat = new Stat(); |
| ZNRecord data = accessor.get(path, stat, 2); |
| data.getSimpleFields().put("SESSION_ID", "invalid-id"); |
| accessor.set(path, data, 2); |
| Thread.sleep(2000); |
| // Since we always read the content from ephemeral nodes, sync message won't be sent |
| Assert.assertFalse(mockMessageListener.isSessionSyncMessageSent()); |
| |
| // Even after reconnect, session sync won't happen |
| ZkTestHelper.expireSession(participants[0].getZkClient()); |
| Assert.assertFalse(mockMessageListener.isSessionSyncMessageSent()); |
| |
| // Inject an invalid session message to trigger sync message |
| PropertyKey messageKey = keyBuilder.message("localhost_12918", "Mocked Invalid Message"); |
| Message msg = new Message(Message.MessageType.STATE_TRANSITION, "Mocked Invalid Message"); |
| msg.setSrcName(controller.getInstanceName()); |
| msg.setTgtSessionId("invalid-id"); |
| msg.setMsgState(Message.MessageState.NEW); |
| msg.setMsgId("Mocked Invalid Message"); |
| msg.setTgtName("localhost_12918"); |
| msg.setPartitionName("foo"); |
| msg.setResourceName("bar"); |
| msg.setFromState("SLAVE"); |
| msg.setToState("MASTER"); |
| msg.setSrcSessionId(controller.getSessionId()); |
| msg.setStateModelDef("MasterSlave"); |
| msg.setStateModelFactoryName("DEFAULT"); |
| HelixDataAccessor dataAccessor = new ZKHelixDataAccessor(clusterName, accessor); |
| dataAccessor.setProperty(messageKey, msg); |
| Assert.assertTrue(TestHelper.verify(() -> mockMessageListener.isSessionSyncMessageSent(), 1500)); |
| |
| // Cleanup |
| controller.syncStop(); |
| zkHelixManager.disconnect(); |
| for (int i = 0; i < 5; i++) { |
| participants[i].syncStop(); |
| } |
| deleteCluster(clusterName); |
| } |
| |
| class MockMessageListener implements MessageListener { |
| private boolean sessionSyncMessageSent = false; |
| |
| @Override |
| public void onMessage(String instanceName, List<Message> messages, |
| NotificationContext changeContext) { |
| for (Message message : messages) { |
| if (message.getMsgId().equals("SESSION-SYNC")) { |
| sessionSyncMessageSent = true; |
| } |
| } |
| } |
| |
| boolean isSessionSyncMessageSent() { |
| return sessionSyncMessageSent; |
| } |
| } |
| } |