| 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.HelixManager; |
| import org.apache.helix.NotificationContext; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.common.ZkTestBase; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.mock.participant.MockTransition; |
| import org.apache.helix.model.Message; |
| import org.apache.helix.tools.ClusterSetup; |
| import org.apache.helix.tools.ClusterStateVerifier; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestEnablePartitionDuringDisable extends ZkTestBase { |
| private static Logger LOG = LoggerFactory.getLogger(TestEnablePartitionDuringDisable.class); |
| |
| class EnablePartitionTransition extends MockTransition { |
| int slaveToOfflineCnt = 0; |
| int offlineToSlave = 0; |
| |
| @Override |
| public void doTransition(Message message, NotificationContext context) { |
| HelixManager manager = context.getManager(); |
| String clusterName = manager.getClusterName(); |
| |
| String instance = message.getTgtName(); |
| String partitionName = message.getPartitionName(); |
| String fromState = message.getFromState(); |
| String toState = message.getToState(); |
| if (instance.equals("localhost_12919") && partitionName.equals("TestDB0_0")) { |
| if (fromState.equals("SLAVE") && toState.equals("OFFLINE")) { |
| slaveToOfflineCnt++; |
| |
| try { |
| String command = "--zkSvr " + ZK_ADDR + " --enablePartition true " + clusterName |
| + " localhost_12919 TestDB0 TestDB0_0"; |
| |
| ClusterSetup.processCommandLineArgs(command.split("\\s+")); |
| } catch (Exception e) { |
| LOG.error("Exception in cluster setup", e); |
| } |
| |
| } else if (slaveToOfflineCnt > 0 && fromState.equals("OFFLINE") |
| && toState.equals("SLAVE")) { |
| offlineToSlave++; |
| } |
| } |
| } |
| |
| } |
| |
| @Test |
| public void testEnablePartitionDuringDisable() throws Exception { |
| // Logger.getRootLogger().setLevel(Level.INFO); |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| String clusterName = className + "_" + methodName; |
| |
| 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 |
| 5, // number of nodes |
| 3, // replicas |
| "MasterSlave", true); // do rebalance |
| |
| ClusterControllerManager controller = |
| new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0"); |
| controller.syncStart(); |
| |
| // start participants |
| EnablePartitionTransition transition = new EnablePartitionTransition(); |
| MockParticipantManager[] participants = new MockParticipantManager[5]; |
| for (int i = 0; i < 5; i++) { |
| String instanceName = "localhost_" + (12918 + i); |
| |
| if (instanceName.equals("localhost_12919")) { |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| participants[i].setTransition(transition); |
| } else { |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| } |
| participants[i].syncStart(); |
| } |
| |
| boolean result = ClusterStateVerifier.verifyByZkCallback( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| // disable partitions |
| String command = "--zkSvr " + ZK_ADDR + " --enablePartition false " + clusterName |
| + " localhost_12919 TestDB0 TestDB0_0"; |
| |
| ClusterSetup.processCommandLineArgs(command.split("\\s+")); |
| |
| // ensure we get 1 slaveToOffline and 1 offlineToSlave after disable partition |
| long startT = System.currentTimeMillis(); |
| while (System.currentTimeMillis() - startT < 10000) // retry in 5s |
| { |
| if (transition.slaveToOfflineCnt > 0 && transition.offlineToSlave > 0) { |
| break; |
| } |
| |
| Thread.sleep(100); |
| } |
| long endT = System.currentTimeMillis(); |
| System.out.println("1 disable and re-enable took: " + (endT - startT) + "ms"); |
| Assert.assertEquals(transition.slaveToOfflineCnt, 1, "should get 1 slaveToOffline transition"); |
| Assert.assertEquals(transition.offlineToSlave, 1, "should get 1 offlineToSlave transition"); |
| |
| // clean up |
| controller.syncStop(); |
| for (int i = 0; i < 5; i++) { |
| participants[i].syncStop(); |
| } |
| |
| deleteCluster(clusterName); |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| |
| } |
| } |