| package org.apache.helix.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.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| |
| 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.integration.task.MockTask; |
| import org.apache.helix.integration.task.TaskTestBase; |
| import org.apache.helix.participant.StateMachineEngine; |
| import org.apache.helix.tools.ClusterSetup; |
| import org.testng.Assert; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class TestGetSetUserContentStore extends TaskTestBase { |
| private static final String JOB_COMMAND = "DummyCommand"; |
| private static final int NUM_JOB = 5; |
| private Map<String, String> _jobCommandMap; |
| |
| private final CountDownLatch allTasksReady = new CountDownLatch(NUM_JOB); |
| private final CountDownLatch adminReady = new CountDownLatch(1); |
| |
| private enum TaskDumpResultKey { |
| WorkflowContent, |
| JobContent, |
| TaskContent |
| } |
| |
| private class TaskRecord { |
| String workflowName; |
| String jobName; |
| String taskPartitionId; |
| |
| TaskRecord(String workflow, String job, String task) { |
| workflowName = workflow; |
| jobName = job; |
| taskPartitionId = task; |
| } |
| } |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| _participants = new MockParticipantManager[_numNodes]; |
| String namespace = "/" + CLUSTER_NAME; |
| if (_gZkClient.exists(namespace)) { |
| _gZkClient.deleteRecursively(namespace); |
| } |
| |
| // Setup cluster and instances |
| ClusterSetup setupTool = new ClusterSetup(ZK_ADDR); |
| setupTool.addCluster(CLUSTER_NAME, true); |
| for (int i = 0; i < _numNodes; i++) { |
| String storageNodeName = PARTICIPANT_PREFIX + "_" + (_startPort + i); |
| setupTool.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<>(); |
| TaskFactory shortTaskFactory = WriteTask::new; |
| taskFactoryReg.put("WriteTask", shortTaskFactory); |
| |
| _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 = new HashMap<>(); |
| } |
| |
| @Test |
| public void testGetUserContentStore() throws InterruptedException { |
| 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()); |
| |
| Map<String, TaskRecord> recordMap = new HashMap<>(); |
| // Create 5 jobs with 1 WriteTask each |
| for (int i = 0; i < NUM_JOB; i++) { |
| List<TaskConfig> taskConfigs = new ArrayList<>(); |
| taskConfigs.add(new TaskConfig("WriteTask", new HashMap<>())); |
| JobConfig.Builder jobConfigBulider = new JobConfig.Builder().setCommand(JOB_COMMAND) |
| .addTaskConfigs(taskConfigs).setJobCommandConfigMap(_jobCommandMap); |
| String jobName = "JOB" + i; |
| String taskPartitionId = "0"; |
| workflowBuilder.addJob(jobName, jobConfigBulider); |
| recordMap.put(jobName, new TaskRecord(workflowName, jobName, taskPartitionId)); |
| } |
| |
| // Start the workflow and wait for all tasks started |
| _driver.start(workflowBuilder.build()); |
| allTasksReady.await(); |
| |
| // add "workflow":"workflow" to the workflow's user content |
| _driver.addOrUpdateWorkflowUserContentMap(workflowName, |
| Collections.singletonMap(workflowName, workflowName)); |
| for (TaskRecord rec : recordMap.values()) { |
| // add "job":"job" to the job's user content |
| String namespacedJobName = TaskUtil.getNamespacedJobName(rec.workflowName, rec.jobName); |
| _driver.addOrUpdateJobUserContentMap(rec.workflowName, rec.jobName, |
| Collections.singletonMap(namespacedJobName, namespacedJobName)); |
| |
| String namespacedTaskName = |
| TaskUtil.getNamespacedTaskName(namespacedJobName, rec.taskPartitionId); |
| // add "taskId":"taskId" to the task's user content |
| _driver.addOrUpdateTaskUserContentMap(rec.workflowName, rec.jobName, rec.taskPartitionId, |
| Collections.singletonMap(namespacedTaskName, namespacedTaskName)); |
| } |
| adminReady.countDown(); |
| _driver.pollForWorkflowState(workflowName, TaskState.COMPLETED); |
| |
| // Aggregate key-value mappings in UserContentStore |
| for (TaskRecord rec : recordMap.values()) { |
| Assert.assertEquals(_driver.getWorkflowUserContentMap(rec.workflowName) |
| .get(TaskDumpResultKey.WorkflowContent.name()), |
| constructContentStoreResultString(rec.workflowName, rec.workflowName)); |
| |
| String namespacedJobName = TaskUtil.getNamespacedJobName(rec.workflowName, rec.jobName); |
| Assert.assertEquals(_driver.getJobUserContentMap(rec.workflowName, rec.jobName) |
| .get(TaskDumpResultKey.JobContent.name()), |
| constructContentStoreResultString(namespacedJobName, namespacedJobName)); |
| |
| String namespacedTaskName = |
| TaskUtil.getNamespacedTaskName(namespacedJobName, rec.taskPartitionId); |
| Assert.assertEquals( |
| _driver.getTaskUserContentMap(rec.workflowName, rec.jobName, rec.taskPartitionId) |
| .get(TaskDumpResultKey.TaskContent.name()), |
| constructContentStoreResultString(namespacedTaskName, namespacedTaskName)); |
| } |
| } |
| |
| /** |
| * A mock task that writes to UserContentStore. MockTask extends UserContentStore. |
| */ |
| private class WriteTask extends MockTask { |
| |
| WriteTask(TaskCallbackContext context) { |
| super(context); |
| } |
| |
| @Override |
| public TaskResult run() { |
| allTasksReady.countDown(); |
| try { |
| adminReady.await(); |
| } catch (Exception e) { |
| return new TaskResult(TaskResult.Status.FATAL_FAILED, e.getMessage()); |
| } |
| String workflowStoreContent = constructContentStoreResultString(_workflowName, getUserContent(_workflowName, Scope.WORKFLOW)); |
| String jobStoreContent = constructContentStoreResultString(_jobName, getUserContent(_jobName, Scope.JOB)); |
| String taskStoreContent = constructContentStoreResultString(_taskName, getUserContent(_taskName, Scope.TASK)); |
| putUserContent(TaskDumpResultKey.WorkflowContent.name(), workflowStoreContent, Scope.WORKFLOW); |
| putUserContent(TaskDumpResultKey.JobContent.name(), jobStoreContent, Scope.JOB); |
| putUserContent(TaskDumpResultKey.TaskContent.name(), taskStoreContent, Scope.TASK); |
| return new TaskResult(TaskResult.Status.COMPLETED, ""); |
| } |
| } |
| |
| private static String constructContentStoreResultString(String key, String value) { |
| return String.format("%s::%s", key, value); |
| } |
| } |