| 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 com.google.common.collect.ImmutableMap; |
| import org.apache.helix.HelixAdmin; |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.HelixException; |
| import org.apache.helix.PropertyKey; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.task.JobConfig; |
| import org.apache.helix.task.JobQueue; |
| import org.apache.helix.task.TaskState; |
| import org.apache.helix.task.TaskUtil; |
| import org.apache.helix.tools.ClusterVerifiers.BestPossibleExternalViewVerifier; |
| import org.testng.Assert; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class TestDeleteWorkflow extends TaskTestBase { |
| private static final long DELETE_DELAY = 5000L; |
| private static final long FORCE_DELETE_BACKOFF = 200L; |
| private HelixAdmin admin; |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| _numPartitions = 1; |
| admin = _gSetupTool.getClusterManagementTool(); |
| super.beforeClass(); |
| } |
| |
| @Test |
| public void testDeleteWorkflow() throws InterruptedException { |
| String jobQueueName = TestHelper.getTestMethodName(); |
| JobConfig.Builder jobBuilder = JobConfig.Builder.fromMap(WorkflowGenerator.DEFAULT_JOB_CONFIG) |
| .setMaxAttemptsPerTask(1).setWorkflow(jobQueueName) |
| .setJobCommandConfigMap(ImmutableMap.of(MockTask.JOB_DELAY, "100000")); |
| |
| JobQueue.Builder jobQueue = TaskTestUtil.buildJobQueue(jobQueueName); |
| jobQueue.enqueueJob("job1", jobBuilder); |
| _driver.start(jobQueue.build()); |
| _driver.pollForJobState(jobQueueName, TaskUtil.getNamespacedJobName(jobQueueName, "job1"), |
| TaskState.IN_PROGRESS); |
| |
| // Check that WorkflowConfig, WorkflowContext, and IdealState are indeed created for this job |
| // queue |
| Assert.assertNotNull(_driver.getWorkflowConfig(jobQueueName)); |
| Assert.assertNotNull(_driver.getWorkflowContext(jobQueueName)); |
| |
| // Pause the Controller so that the job queue won't get deleted |
| admin.enableCluster(CLUSTER_NAME, false); |
| Thread.sleep(1000); |
| // Attempt the deletion and time out |
| try { |
| _driver.deleteAndWaitForCompletion(jobQueueName, DELETE_DELAY); |
| Assert.fail( |
| "Delete must time out and throw a HelixException with the Controller paused, but did not!"); |
| } catch (HelixException e) { |
| // Pass |
| } |
| |
| // Resume the Controller and call delete again |
| admin.enableCluster(CLUSTER_NAME, true); |
| _driver.deleteAndWaitForCompletion(jobQueueName, DELETE_DELAY); |
| |
| // Check that the deletion operation completed |
| Assert.assertNull(_driver.getWorkflowConfig(jobQueueName)); |
| Assert.assertNull(_driver.getWorkflowContext(jobQueueName)); |
| } |
| |
| @Test |
| public void testDeleteWorkflowForcefully() throws InterruptedException { |
| String jobQueueName = TestHelper.getTestMethodName(); |
| JobConfig.Builder jobBuilder = JobConfig.Builder.fromMap(WorkflowGenerator.DEFAULT_JOB_CONFIG) |
| .setMaxAttemptsPerTask(1).setWorkflow(jobQueueName) |
| .setJobCommandConfigMap(ImmutableMap.of(MockTask.JOB_DELAY, "1000000")); |
| |
| JobQueue.Builder jobQueue = TaskTestUtil.buildJobQueue(jobQueueName); |
| jobQueue.enqueueJob("job1", jobBuilder); |
| _driver.start(jobQueue.build()); |
| _driver.pollForJobState(jobQueueName, TaskUtil.getNamespacedJobName(jobQueueName, "job1"), |
| TaskState.IN_PROGRESS); |
| |
| // Check that WorkflowConfig, WorkflowContext, JobConfig, and JobContext are indeed created for this job |
| // queue |
| Assert.assertNotNull(_driver.getWorkflowConfig(jobQueueName)); |
| Assert.assertNotNull(_driver.getWorkflowContext(jobQueueName)); |
| Assert.assertNotNull(_driver.getJobConfig(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| Assert |
| .assertNotNull(_driver.getJobContext(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| |
| // Pause the Controller so that the job queue won't get deleted |
| admin.enableCluster(CLUSTER_NAME, false); |
| Thread.sleep(1000); |
| // Attempt the deletion and time out |
| try { |
| _driver.deleteAndWaitForCompletion(jobQueueName, DELETE_DELAY); |
| Assert.fail( |
| "Delete must time out and throw a HelixException with the Controller paused, but did not!"); |
| } catch (HelixException e) { |
| // Pass |
| } |
| // delete forcefully |
| _driver.delete(jobQueueName, true); |
| |
| Assert.assertNull(_driver.getWorkflowConfig(jobQueueName)); |
| Assert.assertNull(_driver.getWorkflowContext(jobQueueName)); |
| Assert.assertNull(_driver.getJobConfig(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| Assert.assertNull(_driver.getJobContext(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| } |
| |
| @Test |
| public void testDeleteHangingJobs() throws InterruptedException { |
| String jobQueueName = TestHelper.getTestMethodName(); |
| JobConfig.Builder jobBuilder = JobConfig.Builder.fromMap(WorkflowGenerator.DEFAULT_JOB_CONFIG) |
| .setMaxAttemptsPerTask(1).setWorkflow(jobQueueName) |
| .setJobCommandConfigMap(ImmutableMap.of(MockTask.JOB_DELAY, "1000000")); |
| |
| JobQueue.Builder jobQueue = TaskTestUtil.buildJobQueue(jobQueueName); |
| jobQueue.enqueueJob("job1", jobBuilder); |
| _driver.start(jobQueue.build()); |
| _driver.pollForJobState(jobQueueName, TaskUtil.getNamespacedJobName(jobQueueName, "job1"), |
| TaskState.IN_PROGRESS); |
| |
| // Check that WorkflowConfig and WorkflowContext are indeed created for this job queue |
| Assert.assertNotNull(_driver.getWorkflowConfig(jobQueueName)); |
| Assert.assertNotNull(_driver.getWorkflowContext(jobQueueName)); |
| Assert.assertNotNull(_driver.getJobConfig(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| Assert |
| .assertNotNull(_driver.getJobContext(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| |
| // Delete the workflowconfig and context of workflow |
| HelixDataAccessor accessor = _manager.getHelixDataAccessor(); |
| PropertyKey.Builder keyBuild = accessor.keyBuilder(); |
| accessor.removeProperty(keyBuild.resourceConfig(jobQueueName)); |
| accessor.removeProperty(keyBuild.workflowContext(jobQueueName)); |
| |
| BestPossibleExternalViewVerifier verifier = |
| new BestPossibleExternalViewVerifier.Builder(CLUSTER_NAME) |
| .setZkClient(_gZkClient) |
| .setWaitTillVerify(TestHelper.DEFAULT_REBALANCE_PROCESSING_WAIT_TIME) |
| .build(); |
| Assert.assertTrue(verifier.verifyByPolling()); |
| |
| // Sometimes it's a ZK write fail - delete one more time to lower test failure rate |
| if (_driver.getWorkflowConfig(jobQueueName) != null |
| || _driver.getWorkflowContext(jobQueueName) != null) { |
| accessor.removeProperty(keyBuild.resourceConfig(jobQueueName)); |
| accessor.removeProperty(keyBuild.workflowContext(jobQueueName)); |
| } |
| |
| Assert.assertNull(_driver.getWorkflowConfig(jobQueueName)); |
| Assert.assertNull(_driver.getWorkflowContext(jobQueueName)); |
| |
| // Attempt to delete the job and it should fail with exception. |
| try { |
| _driver.deleteJob(jobQueueName, "job1"); |
| Assert.fail("Delete must be rejected and throw a HelixException, but did not!"); |
| } catch (IllegalArgumentException e) { |
| // Pass |
| } |
| |
| // delete forcefully a few times with a backoff (the controller may write back the ZNodes |
| // because force delete does not remove the job from the cache) |
| for (int i = 0; i < 3; i++) { |
| try { |
| _driver.deleteJob(jobQueueName, "job1", true); |
| } catch (Exception e) { |
| // Multiple delete calls are okay |
| } |
| Thread.sleep(FORCE_DELETE_BACKOFF); |
| } |
| |
| Assert.assertNull(_driver.getJobConfig(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| Assert.assertNull(_driver.getJobContext(TaskUtil.getNamespacedJobName(jobQueueName, "job1"))); |
| } |
| } |