| /* |
| * 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. |
| */ |
| package org.apache.twill.yarn; |
| |
| import com.google.common.base.Throwables; |
| import org.apache.twill.api.AbstractTwillRunnable; |
| import org.apache.twill.api.ResourceSpecification; |
| import org.apache.twill.api.ServiceController; |
| import org.apache.twill.api.TwillController; |
| import org.apache.twill.api.TwillRunner; |
| import org.apache.twill.api.logging.PrinterLogHandler; |
| import org.apache.twill.common.Threads; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.io.PrintWriter; |
| import java.util.Random; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * Testing application master will shutdown itself when all tasks are completed. |
| * This test is executed by {@link YarnTestSuite}. |
| */ |
| public final class TaskCompletedTestRun extends BaseYarnTest { |
| |
| /** |
| * A {@link AbstractTwillRunnable} that sleeps randomly and finish. |
| */ |
| public static final class SleepTask extends AbstractTwillRunnable { |
| |
| @Override |
| public void run() { |
| // Randomly sleep for 3-5 seconds. |
| try { |
| TimeUnit.SECONDS.sleep(new Random().nextInt(3) + 3); |
| } catch (InterruptedException e) { |
| throw Throwables.propagate(e); |
| } |
| } |
| |
| @Override |
| public void stop() { |
| // No-op |
| } |
| } |
| |
| @Test |
| public void testTaskCompleted() throws InterruptedException, TimeoutException, ExecutionException { |
| TwillRunner twillRunner = getTwillRunner(); |
| TwillController controller = twillRunner.prepare(new SleepTask(), |
| ResourceSpecification.Builder.with() |
| .setVirtualCores(1) |
| .setMemory(512, ResourceSpecification.SizeUnit.MEGA) |
| .setInstances(3).build()) |
| .addLogHandler(new PrinterLogHandler(new PrintWriter(System.out, true))) |
| .start(); |
| |
| final CountDownLatch runLatch = new CountDownLatch(1); |
| controller.onRunning(new Runnable() { |
| @Override |
| public void run() { |
| runLatch.countDown(); |
| } |
| }, Threads.SAME_THREAD_EXECUTOR); |
| |
| Assert.assertTrue(runLatch.await(1, TimeUnit.MINUTES)); |
| controller.awaitTerminated(1, TimeUnit.MINUTES); |
| Assert.assertEquals(ServiceController.TerminationStatus.SUCCEEDED, controller.getTerminationStatus()); |
| } |
| |
| @Test |
| public void testFailureComplete() throws TimeoutException, ExecutionException, InterruptedException { |
| TwillRunner twillRunner = getTwillRunner(); |
| |
| // Start the app with an invalid ClassLoader. This will cause the AM fails to start. |
| TwillController controller = twillRunner.prepare(new SleepTask(), |
| ResourceSpecification.Builder.with() |
| .setVirtualCores(1) |
| .setMemory(512, ResourceSpecification.SizeUnit.MEGA) |
| .setInstances(1).build()) |
| .addLogHandler(new PrinterLogHandler(new PrintWriter(System.out, true))) |
| .setClassLoader("InvalidClassLoader") |
| .start(); |
| |
| final CountDownLatch terminateLatch = new CountDownLatch(1); |
| controller.onTerminated(new Runnable() { |
| @Override |
| public void run() { |
| terminateLatch.countDown(); |
| } |
| }, Threads.SAME_THREAD_EXECUTOR); |
| |
| Assert.assertTrue(terminateLatch.await(2, TimeUnit.MINUTES)); |
| Assert.assertEquals(ServiceController.TerminationStatus.FAILED, controller.getTerminationStatus()); |
| } |
| } |