| package org.apache.helix.integration.spectator; |
| |
| /* |
| * 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.List; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import org.apache.helix.ConfigAccessor; |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.HelixException; |
| import org.apache.helix.HelixManager; |
| import org.apache.helix.HelixManagerFactory; |
| import org.apache.helix.InstanceType; |
| import org.apache.helix.PropertyType; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.common.ZkTestBase; |
| import org.apache.helix.controller.rebalancer.strategy.CrushEdRebalanceStrategy; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.integration.task.WorkflowGenerator; |
| import org.apache.helix.mock.participant.MockDelayMSStateModelFactory; |
| import org.apache.helix.model.ClusterConfig; |
| import org.apache.helix.model.ExternalView; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.InstanceConfig; |
| import org.apache.helix.model.MasterSlaveSMD; |
| import org.apache.helix.model.Message; |
| import org.apache.helix.participant.StateMachineEngine; |
| import org.apache.helix.spectator.RoutingTableProvider; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class TestRoutingTableProviderFromTargetEV extends ZkTestBase { |
| private static Logger LOG = LoggerFactory.getLogger(TestRoutingTableProviderFromTargetEV.class); |
| private HelixManager _manager; |
| private final String MASTER_SLAVE_STATE_MODEL = "MasterSlave"; |
| private final int NUM_NODES = 10; |
| protected int NUM_PARTITIONS = 20; |
| protected int NUM_REPLICAS = 3; |
| private final int START_PORT = 12918; |
| private final String CLUSTER_NAME = CLUSTER_PREFIX + "_" + getShortClassName(); |
| private MockParticipantManager[] _participants; |
| private ClusterControllerManager _controller; |
| private ConfigAccessor _configAccessor; |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| _participants = new MockParticipantManager[NUM_NODES]; |
| _gSetupTool.addCluster(CLUSTER_NAME, true); |
| |
| _participants = new MockParticipantManager[NUM_NODES]; |
| for (int i = 0; i < NUM_NODES; i++) { |
| String storageNodeName = PARTICIPANT_PREFIX + "_" + (START_PORT + i); |
| _gSetupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName); |
| } |
| |
| _gSetupTool.addResourceToCluster(CLUSTER_NAME, WorkflowGenerator.DEFAULT_TGT_DB, NUM_PARTITIONS, |
| MASTER_SLAVE_STATE_MODEL, IdealState.RebalanceMode.FULL_AUTO.name(), |
| CrushEdRebalanceStrategy.class.getName()); |
| |
| _gSetupTool |
| .rebalanceStorageCluster(CLUSTER_NAME, WorkflowGenerator.DEFAULT_TGT_DB, NUM_REPLICAS); |
| |
| for (int i = 0; i < NUM_NODES; i++) { |
| String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + i); |
| _participants[i] = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, instanceName); |
| |
| // add a delayed state model |
| StateMachineEngine stateMachine = _participants[i].getStateMachineEngine(); |
| MockDelayMSStateModelFactory delayFactory = |
| new MockDelayMSStateModelFactory().setDelay(-300000L); |
| stateMachine.registerStateModelFactory(MASTER_SLAVE_STATE_MODEL, delayFactory); |
| _participants[i].syncStart(); |
| } |
| _manager = HelixManagerFactory |
| .getZKHelixManager(CLUSTER_NAME, "Admin", InstanceType.ADMINISTRATOR, ZK_ADDR); |
| _manager.connect(); |
| |
| String controllerName = CONTROLLER_PREFIX + "_0"; |
| _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName); |
| _controller.syncStart(); |
| _configAccessor = new ConfigAccessor(_gZkClient); |
| } |
| |
| @AfterClass |
| public void afterClass() throws Exception { |
| if (_controller != null && _controller.isConnected()) { |
| _controller.syncStop(); |
| } |
| for (int i = 0; i < NUM_NODES; i++) { |
| if (_participants[i] != null && _participants[i].isConnected()) { |
| _participants[i].syncStop(); |
| } |
| } |
| if (_manager != null && _manager.isConnected()) { |
| _manager.disconnect(); |
| } |
| deleteCluster(CLUSTER_NAME); |
| } |
| |
| @Test(expectedExceptions = HelixException.class) |
| public void testTargetExternalViewWithoutEnable() { |
| new RoutingTableProvider(_manager, PropertyType.TARGETEXTERNALVIEW); |
| } |
| |
| @Test (dependsOnMethods = "testTargetExternalViewWithoutEnable") |
| public void testExternalViewDoesNotExist() { |
| String resourceName = WorkflowGenerator.DEFAULT_TGT_DB + 1; |
| RoutingTableProvider externalViewProvider = |
| new RoutingTableProvider(_manager, PropertyType.EXTERNALVIEW); |
| try { |
| Assert.assertEquals(externalViewProvider.getInstancesForResource(resourceName, "SLAVE").size(), |
| 0); |
| } finally { |
| externalViewProvider.shutdown(); |
| } |
| } |
| |
| @Test (dependsOnMethods = "testExternalViewDoesNotExist") |
| public void testExternalViewDiffFromTargetExternalView() throws Exception { |
| ClusterConfig clusterConfig = _configAccessor.getClusterConfig(CLUSTER_NAME); |
| clusterConfig.enableTargetExternalView(true); |
| clusterConfig.setPersistBestPossibleAssignment(true); |
| _configAccessor.setClusterConfig(CLUSTER_NAME, clusterConfig); |
| Thread.sleep(2000); |
| |
| RoutingTableProvider externalViewProvider = |
| new RoutingTableProvider(_manager, PropertyType.EXTERNALVIEW); |
| final RoutingTableProvider targetExternalViewProvider = |
| new RoutingTableProvider(_manager, PropertyType.TARGETEXTERNALVIEW); |
| |
| try { |
| // If there is a pending message. TEV reflect to its target state and EV reflect to its current state. |
| Set<InstanceConfig> externalViewMasters = |
| externalViewProvider.getInstancesForResource(WorkflowGenerator.DEFAULT_TGT_DB, "MASTER"); |
| Assert.assertEquals(externalViewMasters.size(), 0); |
| HelixDataAccessor accessor = _manager.getHelixDataAccessor(); |
| Assert.assertTrue(TestHelper.verify(() -> { |
| ExternalView ev = accessor.getProperty(accessor.keyBuilder().externalView(WorkflowGenerator.DEFAULT_TGT_DB)); |
| ExternalView tev = |
| accessor.getProperty(accessor.keyBuilder().targetExternalView(WorkflowGenerator.DEFAULT_TGT_DB)); |
| AtomicBoolean valid = new AtomicBoolean(true); |
| List<String> instances = accessor.getChildNames(accessor.keyBuilder().instanceConfigs()); |
| instances.stream().forEach(i -> { |
| List<Message> messages = accessor.getChildValues(accessor.keyBuilder().messages(i)); |
| messages.stream().forEach(m -> { |
| if (!m.getFromState().equals(ev.getStateMap(m.getPartitionName()).get(i)) || !m.getToState() |
| .equals(tev.getStateMap(m.getPartitionName()).get(i))) { |
| valid.set(false); |
| } |
| }); |
| }); |
| return valid.get(); |
| }, 3000)); |
| } finally { |
| externalViewProvider.shutdown(); |
| targetExternalViewProvider.shutdown(); |
| } |
| } |
| } |