| 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 java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.helix.BaseDataAccessor; |
| import org.apache.helix.HelixAdmin; |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.PropertyKey; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.zookeeper.datamodel.ZNRecord; |
| import org.apache.helix.ZkUnitTestBase; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.manager.zk.ZKHelixAdmin; |
| import org.apache.helix.manager.zk.ZKHelixDataAccessor; |
| import org.apache.helix.manager.zk.ZkBaseDataAccessor; |
| import org.apache.helix.model.ExternalView; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.IdealState.RebalanceMode; |
| import org.apache.helix.tools.ClusterStateVerifier; |
| import org.apache.helix.tools.ClusterVerifiers.BestPossibleExternalViewVerifier; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestDisableResource extends ZkUnitTestBase { |
| private static final int N = 2; |
| private static final int PARTITION_NUM = 1; |
| |
| @Test |
| public void testDisableResourceInSemiAutoMode() throws Exception { |
| 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 |
| PARTITION_NUM, // partitions per resource |
| N, // number of nodes |
| 2, // replicas |
| "MasterSlave", true); // do rebalance |
| |
| ClusterControllerManager controller = |
| new ClusterControllerManager(ZK_ADDR, clusterName, "controller"); |
| controller.syncStart(); |
| |
| // start participants |
| MockParticipantManager[] participants = new MockParticipantManager[N]; |
| for (int i = 0; i < N; i++) { |
| String instanceName = "localhost_" + (12918 + i); |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| participants[i].syncStart(); |
| } |
| // Check for connection status |
| HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, _baseAccessor); |
| boolean result = TestHelper.verify(() -> { |
| List<String> liveInstances = accessor.getChildNames(accessor.keyBuilder().liveInstances()); |
| for (int i = 0; i < N; i++) { |
| if (!participants[i].isConnected() |
| || !liveInstances.contains(participants[i].getInstanceName())) { |
| return false; |
| } |
| } |
| return true; |
| }, TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| result = ClusterStateVerifier.verifyByZkCallback( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| // Disable TestDB0 |
| enableResource(clusterName, false); |
| result = |
| TestHelper.verify( |
| () -> !_gSetupTool.getClusterManagementTool() |
| .getResourceIdealState(clusterName, "TestDB0").isEnabled(), |
| TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| checkExternalView(clusterName); |
| |
| // Re-enable TestDB0 |
| enableResource(clusterName, true); |
| result = |
| TestHelper.verify( |
| () -> _gSetupTool.getClusterManagementTool() |
| .getResourceIdealState(clusterName, "TestDB0").isEnabled(), |
| TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| // Clean up |
| controller.syncStop(); |
| for (int i = 0; i < N; i++) { |
| participants[i].syncStop(); |
| } |
| result = TestHelper.verify(() -> { |
| if (accessor.getPropertyStat(accessor.keyBuilder().controllerLeader()) != null) { |
| return false; |
| } |
| List<String> liveInstances = accessor.getChildNames(accessor.keyBuilder().liveInstances()); |
| for (int i = 0; i < N; i++) { |
| if (participants[i].isConnected() |
| || liveInstances.contains(participants[i].getInstanceName())) { |
| return false; |
| } |
| } |
| return true; |
| }, TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| deleteCluster(clusterName); |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| @Test |
| public void testDisableResourceInFullAutoMode() throws Exception { |
| 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 |
| PARTITION_NUM, // partitions per resource |
| N, // number of nodes |
| 2, // replicas |
| "MasterSlave", RebalanceMode.FULL_AUTO, true); // do rebalance |
| |
| ClusterControllerManager controller = |
| new ClusterControllerManager(ZK_ADDR, clusterName, "controller"); |
| controller.syncStart(); |
| |
| // start participants |
| MockParticipantManager[] participants = new MockParticipantManager[N]; |
| for (int i = 0; i < N; i++) { |
| String instanceName = "localhost_" + (12918 + i); |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| participants[i].syncStart(); |
| } |
| // Check for connection status |
| HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, _baseAccessor); |
| boolean result = TestHelper.verify(() -> { |
| List<String> liveInstances = accessor.getChildNames(accessor.keyBuilder().liveInstances()); |
| for (int i = 0; i < N; i++) { |
| if (!participants[i].isConnected() |
| || !liveInstances.contains(participants[i].getInstanceName())) { |
| return false; |
| } |
| } |
| return true; |
| }, TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| // disable TestDB0 |
| enableResource(clusterName, false); |
| result = |
| TestHelper.verify( |
| () -> !_gSetupTool.getClusterManagementTool() |
| .getResourceIdealState(clusterName, "TestDB0").isEnabled(), |
| TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| checkExternalView(clusterName); |
| |
| // Re-enable TestDB0 |
| enableResource(clusterName, true); |
| result = |
| TestHelper.verify( |
| () -> _gSetupTool.getClusterManagementTool() |
| .getResourceIdealState(clusterName, "TestDB0").isEnabled(), |
| TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName)); |
| Assert.assertTrue(result); |
| |
| // Clean up |
| controller.syncStop(); |
| for (int i = 0; i < N; i++) { |
| participants[i].syncStop(); |
| } |
| result = TestHelper.verify(() -> { |
| if (accessor.getPropertyStat(accessor.keyBuilder().controllerLeader()) != null) { |
| return false; |
| } |
| List<String> liveInstances = accessor.getChildNames(accessor.keyBuilder().liveInstances()); |
| for (int i = 0; i < N; i++) { |
| if (participants[i].isConnected() |
| || liveInstances.contains(participants[i].getInstanceName())) { |
| return false; |
| } |
| } |
| return true; |
| }, TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| TestHelper.dropCluster(clusterName, _gZkClient); |
| |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| @Test |
| public void testDisableResourceInCustomMode() throws Exception { |
| 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 |
| PARTITION_NUM, // partitions per resource |
| N, // number of nodes |
| 2, // replicas |
| "MasterSlave", RebalanceMode.CUSTOMIZED, true); // do rebalance |
| |
| // set up custom ideal-state |
| HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, _baseAccessor); |
| PropertyKey.Builder keyBuilder = accessor.keyBuilder(); |
| IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0")); |
| idealState.setPartitionState("TestDB0_0", "localhost_12918", "SLAVE"); |
| idealState.setPartitionState("TestDB0_0", "localhost_12919", "SLAVE"); |
| accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState); |
| |
| ClusterControllerManager controller = |
| new ClusterControllerManager(ZK_ADDR, clusterName, "controller"); |
| controller.syncStart(); |
| |
| // start participants |
| MockParticipantManager[] participants = new MockParticipantManager[N]; |
| for (int i = 0; i < N; i++) { |
| String instanceName = "localhost_" + (12918 + i); |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| participants[i].syncStart(); |
| } |
| // Check for connection status |
| boolean result = TestHelper.verify(() -> { |
| List<String> liveInstances = accessor.getChildNames(accessor.keyBuilder().liveInstances()); |
| for (int i = 0; i < N; i++) { |
| if (!participants[i].isConnected() |
| || !liveInstances.contains(participants[i].getInstanceName())) { |
| return false; |
| } |
| } |
| return true; |
| }, TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| BestPossibleExternalViewVerifier verifier = |
| new BestPossibleExternalViewVerifier.Builder(clusterName).setZkAddr(ZK_ADDR) |
| .setZkClient(_gZkClient).build(); |
| |
| // Disable TestDB0 |
| enableResource(clusterName, false); |
| |
| // Check that the resource has been disabled |
| result = |
| TestHelper.verify( |
| () -> !_gSetupTool.getClusterManagementTool() |
| .getResourceIdealState(clusterName, "TestDB0").isEnabled(), |
| TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| Assert.assertTrue(verifier.verifyByPolling()); |
| |
| checkExternalView(clusterName); |
| |
| // Re-enable TestDB0 |
| enableResource(clusterName, true); |
| // Check that the resource has been enabled |
| result = |
| TestHelper.verify( |
| () -> _gSetupTool.getClusterManagementTool() |
| .getResourceIdealState(clusterName, "TestDB0").isEnabled(), |
| TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| Assert.assertTrue(verifier.verifyByPolling()); |
| |
| // Clean up |
| controller.syncStop(); |
| for (int i = 0; i < N; i++) { |
| participants[i].syncStop(); |
| } |
| result = TestHelper.verify(() -> { |
| if (accessor.getPropertyStat(accessor.keyBuilder().controllerLeader()) != null) { |
| return false; |
| } |
| List<String> liveInstances = accessor.getChildNames(accessor.keyBuilder().liveInstances()); |
| for (int i = 0; i < N; i++) { |
| if (participants[i].isConnected() |
| || liveInstances.contains(participants[i].getInstanceName())) { |
| return false; |
| } |
| } |
| return true; |
| }, TestHelper.WAIT_DURATION); |
| Assert.assertTrue(result); |
| |
| TestHelper.dropCluster(clusterName, _gZkClient); |
| |
| System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis())); |
| } |
| |
| private void enableResource(String clusterName, boolean enabled) { |
| HelixAdmin admin = new ZKHelixAdmin(_gZkClient); |
| admin.enableResource(clusterName, "TestDB0", enabled); |
| } |
| |
| /** |
| * Check all partitions are in OFFLINE state |
| * @param clusterName |
| * @throws Exception |
| */ |
| private void checkExternalView(String clusterName) throws Exception { |
| BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient); |
| final HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor); |
| |
| // verify that states of TestDB0 are all OFFLINE |
| boolean result = TestHelper.verify(() -> { |
| PropertyKey.Builder keyBuilder = accessor.keyBuilder(); |
| |
| ExternalView extView = accessor.getProperty(keyBuilder.externalView("TestDB0")); |
| if (extView == null) { |
| return false; |
| } |
| Set<String> partitionSet = extView.getPartitionSet(); |
| if (partitionSet == null || partitionSet.size() != PARTITION_NUM) { |
| return false; |
| } |
| for (String partition : partitionSet) { |
| Map<String, String> instanceStates = extView.getStateMap(partition); |
| for (String state : instanceStates.values()) { |
| if (!"OFFLINE".equals(state)) { |
| return false; |
| } |
| } |
| } |
| return true; |
| }, 10 * 1000); |
| Assert.assertTrue(result); |
| } |
| } |
