| package org.apache.helix.integration.task; |
| |
| /* |
| * 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.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import org.apache.helix.HelixManagerFactory; |
| import org.apache.helix.InstanceType; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.participant.StateMachineEngine; |
| import org.apache.helix.task.JobConfig; |
| import org.apache.helix.task.TaskCallbackContext; |
| import org.apache.helix.task.TaskConfig; |
| import org.apache.helix.task.TaskDriver; |
| import org.apache.helix.task.TaskFactory; |
| import org.apache.helix.task.TaskResult; |
| import org.apache.helix.task.TaskState; |
| import org.apache.helix.task.TaskStateModelFactory; |
| import org.apache.helix.task.Workflow; |
| import org.apache.helix.task.WorkflowConfig; |
| import org.testng.Assert; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| import org.testng.collections.Sets; |
| |
| /** |
| * This class tests basic job and test assignment/scheduling functionality of |
| * TaskAssignmentCalculators. |
| */ |
| public class TestTaskAssignmentCalculator extends TaskTestBase { |
| private Set<String> _invokedClasses = Sets.newHashSet(); |
| private Map<String, Integer> _runCounts = new ConcurrentHashMap<>(); |
| |
| private Map<String, String> _jobCommandMap; |
| private boolean failTask; |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| _participants = new MockParticipantManager[_numNodes]; |
| |
| // Setup cluster and instances |
| _gSetupTool.addCluster(CLUSTER_NAME, true); |
| for (int i = 0; i < _numNodes; i++) { |
| String storageNodeName = PARTICIPANT_PREFIX + "_" + (_startPort + i); |
| _gSetupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName); |
| } |
| |
| // start dummy participants |
| for (int i = 0; i < _numNodes; i++) { |
| final String instanceName = PARTICIPANT_PREFIX + "_" + (_startPort + i); |
| |
| // Set task callbacks |
| Map<String, TaskFactory> taskFactoryReg = new HashMap<>(); |
| |
| taskFactoryReg.put("TaskOne", context -> new TaskOne(context, instanceName)); |
| |
| _participants[i] = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, instanceName); |
| |
| // Register a Task state model factory. |
| StateMachineEngine stateMachine = _participants[i].getStateMachineEngine(); |
| stateMachine.registerStateModelFactory("Task", |
| new TaskStateModelFactory(_participants[i], taskFactoryReg)); |
| _participants[i].syncStart(); |
| } |
| |
| // Start controller |
| String controllerName = CONTROLLER_PREFIX + "_0"; |
| _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName); |
| _controller.syncStart(); |
| |
| // Start an admin connection |
| _manager = HelixManagerFactory.getZKHelixManager(CLUSTER_NAME, "Admin", |
| InstanceType.ADMINISTRATOR, ZK_ADDR); |
| _manager.connect(); |
| _driver = new TaskDriver(_manager); |
| |
| _jobCommandMap = Maps.newHashMap(); |
| } |
| |
| /** |
| * This test does NOT allow multiple jobs being assigned to an instance. |
| * @throws InterruptedException |
| */ |
| @Test |
| public void testMultipleJobAssignment() throws InterruptedException { |
| _runCounts.clear(); |
| failTask = false; |
| String workflowName = TestHelper.getTestMethodName(); |
| Workflow.Builder workflowBuilder = new Workflow.Builder(workflowName); |
| |
| for (int i = 0; i < 20; i++) { |
| List<TaskConfig> taskConfigs = Lists.newArrayListWithCapacity(1); |
| taskConfigs.add(new TaskConfig("TaskOne", new HashMap<>())); |
| JobConfig.Builder jobBuilder = new JobConfig.Builder().setCommand("DummyCommand") |
| .addTaskConfigs(taskConfigs).setJobCommandConfigMap(_jobCommandMap); |
| workflowBuilder.addJob("JOB" + i, jobBuilder); |
| } |
| |
| _driver.start(workflowBuilder.build()); |
| _driver.pollForWorkflowState(workflowName, TaskState.COMPLETED); |
| |
| Assert.assertEquals(_runCounts.size(), 5); |
| } |
| |
| /** |
| * This test explicitly allows overlap job assignment. |
| * @throws InterruptedException |
| */ |
| @Test |
| // This test does NOT allow multiple jobs being assigned to an instance. |
| public void testMultipleJobAssignmentOverlapEnabled() throws InterruptedException { |
| _runCounts.clear(); |
| failTask = false; |
| String workflowName = TestHelper.getTestMethodName(); |
| Workflow.Builder workflowBuilder = new Workflow.Builder(workflowName); |
| WorkflowConfig.Builder configBuilder = new WorkflowConfig.Builder(workflowName); |
| configBuilder.setAllowOverlapJobAssignment(true); |
| workflowBuilder.setWorkflowConfig(configBuilder.build()); |
| |
| for (int i = 0; i < 40; i++) { |
| List<TaskConfig> taskConfigs = Lists.newArrayListWithCapacity(1); |
| taskConfigs.add(new TaskConfig("TaskOne", new HashMap<>())); |
| JobConfig.Builder jobBuilder = new JobConfig.Builder().setCommand("DummyCommand") |
| .addTaskConfigs(taskConfigs).setJobCommandConfigMap(_jobCommandMap); |
| workflowBuilder.addJob("JOB" + i, jobBuilder); |
| } |
| |
| _driver.start(workflowBuilder.build()); |
| _driver.pollForWorkflowState(workflowName, TaskState.COMPLETED); |
| |
| Assert.assertEquals(_runCounts.size(), 5); |
| } |
| |
| @Test |
| public void testMultipleTaskAssignment() throws InterruptedException { |
| _runCounts.clear(); |
| failTask = false; |
| String workflowName = TestHelper.getTestMethodName(); |
| Workflow.Builder workflowBuilder = new Workflow.Builder(workflowName); |
| |
| List<TaskConfig> taskConfigs = Lists.newArrayListWithCapacity(20); |
| for (int i = 0; i < 20; i++) { |
| Map<String, String> taskConfigMap = Maps.newHashMap(); |
| taskConfigs.add(new TaskConfig("TaskOne", taskConfigMap)); |
| } |
| JobConfig.Builder jobBuilder = new JobConfig.Builder().setCommand("DummyCommand") |
| .setJobCommandConfigMap(_jobCommandMap).addTaskConfigs(taskConfigs); |
| |
| workflowBuilder.addJob("JOB", jobBuilder); |
| _driver.start(workflowBuilder.build()); |
| _driver.pollForWorkflowState(workflowName, TaskState.COMPLETED); |
| |
| Assert.assertEquals(_runCounts.size(), 5); |
| } |
| |
| @Test |
| public void testAbortTaskForWorkflowFail() throws InterruptedException { |
| failTask = true; |
| String workflowName = TestHelper.getTestMethodName(); |
| Workflow.Builder workflowBuilder = new Workflow.Builder(workflowName); |
| |
| for (int i = 0; i < 5; i++) { |
| List<TaskConfig> taskConfigs = Lists.newArrayListWithCapacity(1); |
| Map<String, String> taskConfigMap = Maps.newHashMap(); |
| taskConfigs.add(new TaskConfig("TaskOne", taskConfigMap)); |
| JobConfig.Builder jobBuilder = new JobConfig.Builder().setCommand("DummyCommand") |
| .addTaskConfigs(taskConfigs).setJobCommandConfigMap(_jobCommandMap); |
| workflowBuilder.addJob("JOB" + i, jobBuilder); |
| } |
| |
| _driver.start(workflowBuilder.build()); |
| _driver.pollForWorkflowState(workflowName, TaskState.FAILED); |
| |
| int abortedTask = 0; |
| for (TaskState jobState : _driver.getWorkflowContext(workflowName).getJobStates().values()) { |
| if (jobState == TaskState.ABORTED) { |
| abortedTask++; |
| } |
| } |
| |
| Assert.assertEquals(abortedTask, 4); |
| } |
| |
| private class TaskOne extends MockTask { |
| private final String _instanceName; |
| |
| TaskOne(TaskCallbackContext context, String instanceName) { |
| super(context); |
| |
| // Initialize the count for this instance if not already done |
| if (!_runCounts.containsKey(instanceName)) { |
| _runCounts.put(instanceName, 0); |
| } |
| _instanceName = instanceName; |
| } |
| |
| @Override |
| public TaskResult run() { |
| _invokedClasses.add(getClass().getName()); |
| _runCounts.put(_instanceName, _runCounts.get(_instanceName) + 1); |
| if (failTask) { |
| return new TaskResult(TaskResult.Status.FAILED, ""); |
| } |
| return new TaskResult(TaskResult.Status.COMPLETED, ""); |
| } |
| } |
| } |