| package org.apache.helix.tools; |
| |
| /* |
| * 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.Arrays; |
| |
| import com.google.common.collect.Sets; |
| import org.apache.helix.HelixAdmin; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.ZkUnitTestBase; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.IdealState.RebalanceMode; |
| import org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| @Deprecated |
| public class TestClusterStateVerifier extends ZkUnitTestBase { |
| final String[] RESOURCES = { |
| "resource0", "resource1" |
| }; |
| private HelixAdmin _admin; |
| private MockParticipantManager[] _participants; |
| private ClusterControllerManager _controller; |
| private String _clusterName; |
| |
| @BeforeMethod |
| public void beforeMethod() throws InterruptedException { |
| final int NUM_PARTITIONS = 1; |
| final int NUM_REPLICAS = 1; |
| |
| // Cluster and resource setup |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| _clusterName = className + "_" + methodName; |
| _admin = _gSetupTool.getClusterManagementTool(); |
| _gSetupTool.addCluster(_clusterName, true); |
| _gSetupTool.addResourceToCluster(_clusterName, RESOURCES[0], NUM_PARTITIONS, "OnlineOffline", |
| RebalanceMode.SEMI_AUTO.toString()); |
| _gSetupTool.addResourceToCluster(_clusterName, RESOURCES[1], NUM_PARTITIONS, "OnlineOffline", |
| RebalanceMode.SEMI_AUTO.toString()); |
| |
| // Configure and start the participants |
| _participants = new MockParticipantManager[RESOURCES.length]; |
| for (int i = 0; i < _participants.length; i++) { |
| String host = "localhost"; |
| int port = 12918 + i; |
| String id = host + '_' + port; |
| _gSetupTool.addInstanceToCluster(_clusterName, id); |
| _participants[i] = new MockParticipantManager(ZK_ADDR, _clusterName, id); |
| _participants[i].syncStart(); |
| } |
| |
| // Rebalance the resources |
| for (int i = 0; i < RESOURCES.length; i++) { |
| IdealState idealState = _admin.getResourceIdealState(_clusterName, RESOURCES[i]); |
| idealState.setReplicas(Integer.toString(NUM_REPLICAS)); |
| idealState.getRecord().setListField(RESOURCES[i] + "_0", |
| Arrays.asList(_participants[i].getInstanceName())); |
| _admin.setResourceIdealState(_clusterName, RESOURCES[i], idealState); |
| } |
| |
| // Start the controller |
| _controller = new ClusterControllerManager(ZK_ADDR, _clusterName, "controller_0"); |
| _controller.syncStart(); |
| Thread.sleep(1000); |
| } |
| |
| @AfterMethod |
| public void afterMethod() { |
| // Cleanup |
| _controller.syncStop(); |
| for (MockParticipantManager participant : _participants) { |
| participant.syncStop(); |
| } |
| _admin.dropCluster(_clusterName); |
| } |
| |
| @Test |
| public void testEntireCluster() { |
| // Just ensure that the entire cluster passes |
| // ensure that the external view coalesces |
| BestPossAndExtViewZkVerifier verifier = new BestPossAndExtViewZkVerifier(ZK_ADDR, _clusterName); |
| try { |
| boolean result = ClusterStateVerifier.verifyByZkCallback(verifier); |
| Assert.assertTrue(result); |
| } finally { |
| verifier.close(); |
| } |
| } |
| |
| @Test |
| public void testResourceSubset() throws InterruptedException { |
| // Ensure that this passes even when one resource is down |
| _admin.enableInstance(_clusterName, "localhost_12918", false); |
| Thread.sleep(1000); |
| _admin.enableCluster(_clusterName, false); |
| _admin.enableInstance(_clusterName, "localhost_12918", true); |
| BestPossAndExtViewZkVerifier verifier = new BestPossAndExtViewZkVerifier(ZK_ADDR, |
| _clusterName, null, Sets.newHashSet(RESOURCES[1])); |
| boolean result = false; |
| try { |
| result = ClusterStateVerifier.verifyByZkCallback(verifier); |
| Assert.assertTrue(result); |
| } finally { |
| verifier.close(); |
| } |
| |
| String[] args = { |
| "--zkSvr", ZK_ADDR, "--cluster", _clusterName, "--resources", RESOURCES[1] |
| }; |
| result = ClusterStateVerifier.verifyState(args); |
| Assert.assertTrue(result); |
| |
| // But the full cluster verification should fail |
| verifier = new BestPossAndExtViewZkVerifier(ZK_ADDR, _clusterName); |
| try { |
| boolean fullResult = verifier.verify(); |
| Assert.assertFalse(fullResult); |
| } finally { |
| verifier.close(); |
| } |
| _admin.enableCluster(_clusterName, true); |
| } |
| } |