| 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.ArrayList; |
| import java.util.Date; |
| import java.util.List; |
| |
| import org.apache.helix.PropertyKey.Builder; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.apache.helix.common.ZkTestBase; |
| import org.apache.helix.integration.manager.ClusterDistributedController; |
| 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.LiveInstance; |
| 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 TestDistributedCMMain extends ZkTestBase { |
| private List<String> _clusters = new ArrayList<>(); |
| |
| @Test |
| public void testDistributedCMMain() throws Exception { |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| String clusterNamePrefix = className + "_" + methodName; |
| final int n = 5; |
| final int clusterNb = 10; |
| |
| System.out |
| .println("START " + clusterNamePrefix + " at " + new Date(System.currentTimeMillis())); |
| |
| // setup 10 clusters |
| for (int i = 0; i < clusterNb; i++) { |
| String clusterName = clusterNamePrefix + "0_" + i; |
| String participantName = "localhost" + i; |
| String resourceName = "TestDB" + i; |
| TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant port |
| participantName, // participant name prefix |
| resourceName, // resource name prefix |
| 1, // resources |
| 8, // partitions per resource |
| n, // number of nodes |
| 3, // replicas |
| "MasterSlave", true); // do rebalance |
| |
| _clusters.add(clusterName); |
| } |
| |
| // setup controller cluster |
| final String controllerClusterName = "CONTROLLER_" + clusterNamePrefix; |
| TestHelper.setupCluster("CONTROLLER_" + clusterNamePrefix, ZK_ADDR, 0, // controller |
| // port |
| "controller", // participant name prefix |
| clusterNamePrefix, // resource name prefix |
| 1, // resources |
| clusterNb, // partitions per resource |
| n, // number of nodes |
| 3, // replicas |
| "LeaderStandby", true); // do rebalance |
| |
| _clusters.add(controllerClusterName); |
| |
| // start distributed cluster controllers |
| ClusterDistributedController[] controllers = new ClusterDistributedController[n + n]; |
| for (int i = 0; i < n; i++) { |
| controllers[i] = |
| new ClusterDistributedController(ZK_ADDR, controllerClusterName, "controller_" + i); |
| controllers[i].syncStart(); |
| } |
| |
| boolean result = |
| ClusterStateVerifier.verifyByZkCallback( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, controllerClusterName), |
| 30000); |
| |
| Assert.assertTrue(result, "Controller cluster NOT in ideal state"); |
| |
| // start first cluster |
| MockParticipantManager[] participants = new MockParticipantManager[n]; |
| final String firstClusterName = clusterNamePrefix + "0_0"; |
| for (int i = 0; i < n; i++) { |
| String instanceName = "localhost0_" + (12918 + i); |
| participants[i] = new MockParticipantManager(ZK_ADDR, firstClusterName, instanceName); |
| participants[i].syncStart(); |
| } |
| |
| result = |
| ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, |
| firstClusterName)); |
| Assert.assertTrue(result, "first cluster NOT in ideal state"); |
| |
| // add more controllers to controller cluster |
| ClusterSetup setupTool = new ClusterSetup(ZK_ADDR); |
| for (int i = 0; i < n; i++) { |
| String controller = "controller_" + (n + i); |
| setupTool.addInstanceToCluster(controllerClusterName, controller); |
| } |
| setupTool.rebalanceStorageCluster(controllerClusterName, clusterNamePrefix + "0", 6); |
| for (int i = n; i < 2 * n; i++) { |
| controllers[i] = |
| new ClusterDistributedController(ZK_ADDR, controllerClusterName, "controller_" + i); |
| controllers[i].syncStart(); |
| } |
| |
| // verify controller cluster |
| result = |
| ClusterStateVerifier |
| .verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, |
| controllerClusterName)); |
| Assert.assertTrue(result, "Controller cluster NOT in ideal state"); |
| |
| // verify first cluster |
| result = |
| ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, |
| firstClusterName)); |
| Assert.assertTrue(result, "first cluster NOT in ideal state"); |
| |
| // stop controller_0-5 |
| ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<>(_gZkClient); |
| ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(controllerClusterName, baseAccessor); |
| Builder keyBuilder = accessor.keyBuilder(); |
| for (int i = 0; i < n; i++) { |
| LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader()); |
| String leaderName = leader.getId(); |
| int j = Integer.parseInt(leaderName.substring(leaderName.lastIndexOf('_') + 1)); |
| controllers[j].syncStop(); |
| |
| result = |
| ClusterStateVerifier |
| .verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, |
| controllerClusterName)); |
| Assert.assertTrue(result, "Controller cluster NOT in ideal state"); |
| |
| result = |
| ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, |
| firstClusterName)); |
| Assert.assertTrue(result, "first cluster NOT in ideal state"); |
| } |
| |
| // clean up |
| // wait for all zk callbacks done |
| System.out.println("Cleaning up..."); |
| for (int i = 0; i < 2 * n; i++) { |
| if (controllers[i] != null && controllers[i].isConnected()) { |
| controllers[i].syncStop(); |
| } |
| } |
| |
| for (int i = 0; i < n; i++) { |
| if (participants[i] != null && participants[i].isConnected()) { |
| participants[i].syncStop(); |
| } |
| } |
| |
| for (String cluster : _clusters) { |
| deleteCluster(cluster); |
| } |
| |
| System.out.println("END " + clusterNamePrefix + " at " + new Date(System.currentTimeMillis())); |
| } |
| } |