| /** |
| * 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.hadoop.mapreduce.v2.app.local; |
| |
| import static org.mockito.Matchers.isA; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobId; |
| import org.apache.hadoop.mapreduce.v2.app.AppContext; |
| import org.apache.hadoop.mapreduce.v2.app.client.ClientService; |
| import org.apache.hadoop.mapreduce.v2.app.job.Job; |
| import org.apache.hadoop.yarn.ClusterInfo; |
| import org.apache.hadoop.yarn.YarnException; |
| import org.apache.hadoop.yarn.api.AMRMProtocol; |
| import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.hadoop.yarn.exceptions.YarnRemoteException; |
| import org.apache.hadoop.yarn.ipc.RPCUtil; |
| import org.apache.hadoop.yarn.util.BuilderUtils; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestLocalContainerAllocator { |
| |
| @Test |
| public void testRMConnectionRetry() throws Exception { |
| // verify the connection exception is thrown |
| // if we haven't exhausted the retry interval |
| Configuration conf = new Configuration(); |
| LocalContainerAllocator lca = new StubbedLocalContainerAllocator(); |
| lca.init(conf); |
| lca.start(); |
| try { |
| lca.heartbeat(); |
| Assert.fail("heartbeat was supposed to throw"); |
| } catch (YarnRemoteException e) { |
| // YarnRemoteException is expected |
| } finally { |
| lca.stop(); |
| } |
| |
| // verify YarnException is thrown when the retry interval has expired |
| conf.setLong(MRJobConfig.MR_AM_TO_RM_WAIT_INTERVAL_MS, 0); |
| lca = new StubbedLocalContainerAllocator(); |
| lca.init(conf); |
| lca.start(); |
| try { |
| lca.heartbeat(); |
| Assert.fail("heartbeat was supposed to throw"); |
| } catch (YarnException e) { |
| // YarnException is expected |
| } finally { |
| lca.stop(); |
| } |
| } |
| |
| private static class StubbedLocalContainerAllocator |
| extends LocalContainerAllocator { |
| |
| public StubbedLocalContainerAllocator() { |
| super(mock(ClientService.class), createAppContext(), |
| "nmhost", 1, 2, null); |
| } |
| |
| @Override |
| protected void register() { |
| } |
| |
| @Override |
| protected void startAllocatorThread() { |
| allocatorThread = new Thread(); |
| } |
| |
| @Override |
| protected AMRMProtocol createSchedulerProxy() { |
| AMRMProtocol scheduler = mock(AMRMProtocol.class); |
| try { |
| when(scheduler.allocate(isA(AllocateRequest.class))) |
| .thenThrow(RPCUtil.getRemoteException(new IOException("forcefail"))); |
| } catch (YarnRemoteException e) { |
| } |
| return scheduler; |
| } |
| |
| private static AppContext createAppContext() { |
| ApplicationId appId = BuilderUtils.newApplicationId(1, 1); |
| ApplicationAttemptId attemptId = |
| BuilderUtils.newApplicationAttemptId(appId, 1); |
| Job job = mock(Job.class); |
| @SuppressWarnings("rawtypes") |
| EventHandler eventHandler = mock(EventHandler.class); |
| AppContext ctx = mock(AppContext.class); |
| when(ctx.getApplicationID()).thenReturn(appId); |
| when(ctx.getApplicationAttemptId()).thenReturn(attemptId); |
| when(ctx.getJob(isA(JobId.class))).thenReturn(job); |
| when(ctx.getClusterInfo()).thenReturn( |
| new ClusterInfo(BuilderUtils.newResource(1024, 1), BuilderUtils |
| .newResource(10240, 1))); |
| when(ctx.getEventHandler()).thenReturn(eventHandler); |
| return ctx; |
| } |
| } |
| } |