| 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 org.apache.helix.PropertyPathBuilder; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.ZkTestHelper; |
| import org.apache.helix.common.ZkTestBase; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.model.IdealState.RebalanceMode; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestStartMultipleControllersWithSameName extends ZkTestBase { |
| @Test |
| public void test() throws Exception { |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| String clusterName = className + "_" + methodName; |
| final int n = 3; |
| |
| System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| 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 |
| 1, // replicas |
| "OnlineOffline", RebalanceMode.FULL_AUTO, true); // do |
| // rebalance |
| |
| // start controller |
| ClusterControllerManager[] controllers = new ClusterControllerManager[4]; |
| for (int i = 0; i < 4; i++) { |
| controllers[i] = new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0"); |
| controllers[i].syncStart(); |
| } |
| |
| Thread.sleep(500); // wait leader election finishes |
| String liPath = PropertyPathBuilder.liveInstance(clusterName); |
| int listenerNb = ZkTestHelper.numberOfListeners(ZK_ADDR, liPath); |
| // System.out.println("listenerNb: " + listenerNb); |
| Assert.assertEquals(listenerNb, 1, "Only one controller should succeed in becoming leader"); |
| |
| // clean up |
| for (int i = 0; i < 4; i++) { |
| controllers[i].syncStop(); |
| } |
| deleteCluster(clusterName); |
| |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| } |
| |
| } |