| 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.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.task.JobConfig; |
| import org.apache.helix.task.JobContext; |
| import org.apache.helix.task.JobQueue; |
| import org.apache.helix.task.TaskState; |
| import org.apache.helix.task.TaskUtil; |
| 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; |
| |
| public class TestEnqueueJobs extends TaskTestBase { |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| setSingleTestEnvironment(); |
| super.beforeClass(); |
| } |
| |
| @Test |
| public void testJobQueueAddingJobsOneByOne() throws InterruptedException { |
| String queueName = TestHelper.getTestMethodName(); |
| JobQueue.Builder builder = TaskTestUtil.buildJobQueue(queueName); |
| WorkflowConfig.Builder workflowCfgBuilder = new WorkflowConfig.Builder().setWorkflowId(queueName).setParallelJobs(1); |
| _driver.start(builder.setWorkflowConfig(workflowCfgBuilder.build()).build()); |
| JobConfig.Builder jobBuilder = |
| new JobConfig.Builder().setTargetResource(WorkflowGenerator.DEFAULT_TGT_DB) |
| .setCommand(MockTask.TASK_COMMAND).setMaxAttemptsPerTask(2); |
| _driver.enqueueJob(queueName, "JOB0", jobBuilder); |
| for (int i = 1; i < 5; i++) { |
| _driver.pollForJobState(queueName, TaskUtil.getNamespacedJobName(queueName, "JOB" + (i - 1)), |
| 10000L, TaskState.COMPLETED); |
| _driver.waitToStop(queueName, 5000L); |
| _driver.enqueueJob(queueName, "JOB" + i, jobBuilder); |
| _driver.resume(queueName); |
| } |
| |
| _driver.pollForJobState(queueName, TaskUtil.getNamespacedJobName(queueName, "JOB" + 4), |
| TaskState.COMPLETED); |
| } |
| |
| @Test |
| public void testJobQueueAddingJobsAtSametime() throws InterruptedException { |
| String queueName = TestHelper.getTestMethodName(); |
| JobQueue.Builder builder = TaskTestUtil.buildJobQueue(queueName); |
| WorkflowConfig.Builder workflowCfgBuilder = |
| new WorkflowConfig.Builder().setWorkflowId(queueName).setParallelJobs(1); |
| _driver.start(builder.setWorkflowConfig(workflowCfgBuilder.build()).build()); |
| |
| // Adding jobs |
| JobConfig.Builder jobBuilder = |
| new JobConfig.Builder().setTargetResource(WorkflowGenerator.DEFAULT_TGT_DB) |
| .setCommand(MockTask.TASK_COMMAND).setMaxAttemptsPerTask(2); |
| |
| List<String> jobNames = new ArrayList<>(); |
| List<JobConfig.Builder> jobBuilders = new ArrayList<>(); |
| |
| _driver.waitToStop(queueName, 5000L); |
| |
| for (int i = 0; i < 5; i++) { |
| jobNames.add("JOB" + i); |
| jobBuilders.add(jobBuilder); |
| } |
| // Add jobs as batch to the queue |
| _driver.enqueueJobs(queueName, jobNames, jobBuilders); |
| |
| _driver.resume(queueName); |
| |
| _driver.pollForJobState(queueName, TaskUtil.getNamespacedJobName(queueName, "JOB" + 4), |
| TaskState.COMPLETED); |
| } |
| |
| @Test |
| public void testJobSubmitGenericWorkflows() throws InterruptedException { |
| String workflowName = TestHelper.getTestMethodName(); |
| JobConfig.Builder jobBuilder = |
| new JobConfig.Builder().setTargetResource(WorkflowGenerator.DEFAULT_TGT_DB) |
| .setCommand(MockTask.TASK_COMMAND).setMaxAttemptsPerTask(2); |
| Workflow.Builder builder = new Workflow.Builder(workflowName); |
| for (int i = 0; i < 5; i++) { |
| builder.addJob("JOB" + i, jobBuilder); |
| } |
| |
| /** |
| * Dependency visualization |
| * JOB0 |
| * |
| * / | \ |
| * |
| * JOB1 <-JOB2 JOB4 |
| * |
| * | / |
| * |
| * JOB3 |
| */ |
| |
| builder.addParentChildDependency("JOB0", "JOB1"); |
| builder.addParentChildDependency("JOB0", "JOB2"); |
| builder.addParentChildDependency("JOB0", "JOB4"); |
| builder.addParentChildDependency("JOB1", "JOB2"); |
| builder.addParentChildDependency("JOB2", "JOB3"); |
| builder.addParentChildDependency("JOB4", "JOB3"); |
| _driver.start(builder.build()); |
| |
| _driver.pollForWorkflowState(workflowName, TaskState.COMPLETED); |
| } |
| |
| @Test |
| public void testQueueParallelJobs() throws InterruptedException { |
| final int parallelJobs = 3; |
| final int numberOfJobsAddedBeforeControllerSwitch = 4; |
| final int totalNumberOfJobs = 7; |
| String queueName = TestHelper.getTestMethodName(); |
| JobQueue.Builder builder = TaskTestUtil.buildJobQueue(queueName); |
| WorkflowConfig.Builder workflowCfgBuilder = new WorkflowConfig.Builder() |
| .setWorkflowId(queueName).setParallelJobs(parallelJobs).setAllowOverlapJobAssignment(true); |
| _driver.start(builder.setWorkflowConfig(workflowCfgBuilder.build()).build()); |
| JobConfig.Builder jobBuilder = |
| new JobConfig.Builder().setTargetResource(WorkflowGenerator.DEFAULT_TGT_DB) |
| .setCommand(MockTask.TASK_COMMAND).setMaxAttemptsPerTask(2) |
| .setJobCommandConfigMap(Collections.singletonMap(MockTask.JOB_DELAY, "10000")); |
| |
| _driver.waitToStop(queueName, 5000L); |
| |
| // Add 4 jobs to the queue |
| List<String> jobNames = new ArrayList<>(); |
| List<JobConfig.Builder> jobBuilders = new ArrayList<>(); |
| for (int i = 0; i < numberOfJobsAddedBeforeControllerSwitch; i++) { |
| jobNames.add("JOB" + i); |
| jobBuilders.add(jobBuilder); |
| } |
| _driver.enqueueJobs(queueName, jobNames, jobBuilders); |
| |
| _driver.resume(queueName); |
| |
| // Wait until all of the enqueued jobs (Job0 to Job3) are finished |
| for (int i = 0; i < numberOfJobsAddedBeforeControllerSwitch; i++) { |
| _driver.pollForJobState(queueName, TaskUtil.getNamespacedJobName(queueName, "JOB" + i), |
| TaskState.COMPLETED); |
| } |
| |
| // Stop the Controller |
| _controller.syncStop(); |
| |
| // Add 3 more jobs to the queue which should run in parallel after the Controller is started |
| jobNames.clear(); |
| jobBuilders.clear(); |
| for (int i = numberOfJobsAddedBeforeControllerSwitch; i < totalNumberOfJobs; i++) { |
| jobNames.add("JOB" + i); |
| jobBuilders.add(jobBuilder); |
| } |
| _driver.enqueueJobs(queueName, jobNames, jobBuilders); |
| |
| // Start the Controller |
| String controllerName = CONTROLLER_PREFIX + "_0"; |
| _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName); |
| _controller.syncStart(); |
| |
| // Wait until all of the newly added jobs (Job4 to Job6) are finished |
| for (int i = numberOfJobsAddedBeforeControllerSwitch; i < totalNumberOfJobs; i++) { |
| _driver.pollForJobState(queueName, TaskUtil.getNamespacedJobName(queueName, "JOB" + i), |
| TaskState.COMPLETED); |
| } |
| |
| // Make sure the jobs have been running in parallel by checking the jobs start time and finish |
| // time |
| long maxStartTime = Long.MIN_VALUE; |
| long minFinishTime = Long.MAX_VALUE; |
| |
| for (int i = numberOfJobsAddedBeforeControllerSwitch; i < totalNumberOfJobs; i++) { |
| JobContext jobContext = |
| _driver.getJobContext(TaskUtil.getNamespacedJobName(queueName, "JOB" + i)); |
| maxStartTime = Long.max(maxStartTime, jobContext.getStartTime()); |
| minFinishTime = Long.min(minFinishTime, jobContext.getFinishTime()); |
| } |
| Assert.assertTrue(minFinishTime > maxStartTime); |
| } |
| |
| @Test |
| public void testQueueJobsMaxCapacity() throws InterruptedException { |
| final int numberOfJobsAddedInitially = 4; |
| final int queueCapacity = 5; |
| final String newJobName = "NewJob"; |
| String queueName = TestHelper.getTestMethodName(); |
| JobQueue.Builder builder = TaskTestUtil.buildJobQueue(queueName); |
| WorkflowConfig.Builder workflowCfgBuilder = |
| new WorkflowConfig.Builder().setWorkflowId(queueName).setParallelJobs(1) |
| .setAllowOverlapJobAssignment(true).setCapacity(queueCapacity); |
| _driver.start(builder.setWorkflowConfig(workflowCfgBuilder.build()).build()); |
| JobConfig.Builder jobBuilder = |
| new JobConfig.Builder().setTargetResource(WorkflowGenerator.DEFAULT_TGT_DB) |
| .setCommand(MockTask.TASK_COMMAND).setMaxAttemptsPerTask(2) |
| .setJobCommandConfigMap(Collections.singletonMap(MockTask.JOB_DELAY, "1000")); |
| |
| _driver.waitToStop(queueName, 5000L); |
| |
| // Add 4 jobs to the queue |
| List<String> jobNames = new ArrayList<>(); |
| List<JobConfig.Builder> jobBuilders = new ArrayList<>(); |
| for (int i = 0; i < numberOfJobsAddedInitially; i++) { |
| jobNames.add("JOB" + i); |
| jobBuilders.add(jobBuilder); |
| } |
| _driver.enqueueJobs(queueName, jobNames, jobBuilders); |
| |
| _driver.resume(queueName); |
| |
| // Wait until all of the enqueued jobs (Job0 to Job3) are finished |
| for (int i = 0; i < numberOfJobsAddedInitially; i++) { |
| _driver.pollForJobState(queueName, TaskUtil.getNamespacedJobName(queueName, "JOB" + i), |
| TaskState.COMPLETED); |
| } |
| |
| boolean exceptionHappenedWhileAddingNewJob = false; |
| try { |
| // This call will produce the exception because 4 jobs have been already added |
| // By adding the new job the queue will hit its capacity limit |
| _driver.enqueueJob(queueName, newJobName, jobBuilder); |
| } catch (Exception e) { |
| exceptionHappenedWhileAddingNewJob = true; |
| } |
| Assert.assertTrue(exceptionHappenedWhileAddingNewJob); |
| |
| // Make sure that jobConfig has not been created |
| JobConfig jobConfig = |
| _driver.getJobConfig(TaskUtil.getNamespacedJobName(queueName, newJobName)); |
| Assert.assertNull(jobConfig); |
| } |
| } |