| /* |
| * 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.nemo.runtime.executor; |
| |
| import org.apache.nemo.runtime.common.comm.ControlMessage; |
| import org.apache.nemo.runtime.common.message.MessageContext; |
| import org.apache.nemo.runtime.common.message.MessageEnvironment; |
| import org.apache.nemo.runtime.common.message.MessageListener; |
| import org.apache.nemo.runtime.common.message.MessageSender; |
| import org.apache.nemo.runtime.common.message.local.LocalMessageDispatcher; |
| import org.apache.nemo.runtime.common.message.local.LocalMessageEnvironment; |
| import org.apache.nemo.runtime.master.metric.MetricManagerMaster; |
| import org.apache.nemo.runtime.master.resource.ExecutorRepresenter; |
| import org.apache.nemo.runtime.master.scheduler.ExecutorRegistry; |
| import org.apache.reef.tang.Injector; |
| import org.apache.reef.tang.exceptions.InjectionException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.stubbing.Answer; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.powermock.modules.junit4.PowerMockRunner; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.function.Consumer; |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.mock; |
| |
| /** |
| * Ensures metrics collected by {@link MetricManagerWorker} are properly sent to master |
| * before the job finishes. |
| */ |
| @RunWith(PowerMockRunner.class) |
| @PrepareForTest({ExecutorRepresenter.class, ExecutorRegistry.class}) |
| public final class MetricFlushTest { |
| private static final String MASTER = "MASTER"; |
| private static final String WORKER = "WORKER"; |
| private static final int EXECUTOR_NUM = 5; |
| |
| @Test(timeout = 10000) |
| public void test() throws InjectionException, ExecutionException, InterruptedException { |
| final CountDownLatch latch = new CountDownLatch(EXECUTOR_NUM); |
| |
| final Injector injector = LocalMessageDispatcher.getInjector(); |
| |
| final Injector masterInjector = LocalMessageEnvironment.forkInjector(injector, MASTER); |
| final Injector workerInjector = LocalMessageEnvironment.forkInjector(injector, WORKER); |
| |
| final MessageEnvironment masterMessageEnvironment = masterInjector.getInstance(MessageEnvironment.class); |
| final MessageEnvironment workerMessageEnvironment = workerInjector.getInstance(MessageEnvironment.class); |
| |
| final MessageSender masterToWorkerSender = masterMessageEnvironment |
| .asyncConnect(WORKER, MessageEnvironment.EXECUTOR_MESSAGE_LISTENER_ID).get(); |
| |
| final Set<ExecutorRepresenter> executorRepresenterSet = new HashSet<>(); |
| |
| for (int i = 0; i < EXECUTOR_NUM; i++) { |
| executorRepresenterSet.add(newWorker(masterToWorkerSender)); |
| } |
| |
| final ExecutorRegistry executorRegistry = mock(ExecutorRegistry.class); |
| doAnswer((Answer<Void>) invocationOnMock -> { |
| final Consumer<Set<ExecutorRepresenter>> consumer = (Consumer) invocationOnMock.getArguments()[0]; |
| consumer.accept(executorRepresenterSet); |
| return null; |
| }).when(executorRegistry).viewExecutors(any()); |
| |
| masterInjector.bindVolatileInstance(ExecutorRegistry.class, executorRegistry); |
| |
| final MetricManagerMaster metricManagerMaster = masterInjector.getInstance(MetricManagerMaster.class); |
| final MetricManagerWorker metricManagerWorker = workerInjector.getInstance(MetricManagerWorker.class); |
| |
| masterMessageEnvironment.setupListener(MessageEnvironment.RUNTIME_MASTER_MESSAGE_LISTENER_ID, |
| new MessageListener<Object>() { |
| @Override |
| public void onMessage(Object message) { |
| latch.countDown(); |
| } |
| |
| @Override |
| public void onMessageWithContext(Object message, MessageContext messageContext) { |
| } |
| }); |
| |
| workerMessageEnvironment.setupListener(MessageEnvironment.EXECUTOR_MESSAGE_LISTENER_ID, |
| new MessageListener<Object>() { |
| @Override |
| public void onMessage(Object message) { |
| metricManagerWorker.flush(); |
| } |
| |
| @Override |
| public void onMessageWithContext(Object message, MessageContext messageContext) { |
| } |
| }); |
| |
| metricManagerMaster.sendMetricFlushRequest(); |
| |
| latch.await(); |
| } |
| |
| private static ExecutorRepresenter newWorker(final MessageSender masterToWorkerSender) { |
| final ExecutorRepresenter workerRepresenter = mock(ExecutorRepresenter.class); |
| doAnswer((Answer<Void>) invocationOnMock -> { |
| final ControlMessage.Message msg = (ControlMessage.Message) invocationOnMock.getArguments()[0]; |
| masterToWorkerSender.send(msg); |
| return null; |
| }).when(workerRepresenter).sendControlMessage(any()); |
| return workerRepresenter; |
| } |
| } |