| /** |
| * 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.yarn.server.resourcemanager; |
| |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.event.AsyncDispatcher; |
| import org.apache.hadoop.yarn.event.EventDispatcher; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.ContainerPreemptEvent; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestRMDispatcher { |
| |
| @SuppressWarnings("unchecked") |
| @Test(timeout=10000) |
| public void testSchedulerEventDispatcherForPreemptionEvents() { |
| AsyncDispatcher rmDispatcher = new AsyncDispatcher(); |
| CapacityScheduler sched = spy(new CapacityScheduler()); |
| YarnConfiguration conf = new YarnConfiguration(); |
| EventDispatcher schedulerDispatcher = |
| new EventDispatcher(sched, sched.getClass().getName()); |
| schedulerDispatcher.disableExitOnError(); |
| rmDispatcher.register(SchedulerEventType.class, schedulerDispatcher); |
| rmDispatcher.init(conf); |
| rmDispatcher.start(); |
| schedulerDispatcher.init(conf); |
| schedulerDispatcher.start(); |
| try { |
| ApplicationAttemptId appAttemptId = mock(ApplicationAttemptId.class); |
| RMContainer container = mock(RMContainer.class); |
| ContainerPreemptEvent event1 = new ContainerPreemptEvent( |
| appAttemptId, container, SchedulerEventType.KILL_RESERVED_CONTAINER); |
| rmDispatcher.getEventHandler().handle(event1); |
| ContainerPreemptEvent event2 = |
| new ContainerPreemptEvent(appAttemptId, container, |
| SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE); |
| rmDispatcher.getEventHandler().handle(event2); |
| ContainerPreemptEvent event3 = |
| new ContainerPreemptEvent(appAttemptId, container, |
| SchedulerEventType.MARK_CONTAINER_FOR_PREEMPTION); |
| rmDispatcher.getEventHandler().handle(event3); |
| // Wait for events to be processed by scheduler dispatcher. |
| Thread.sleep(1000); |
| verify(sched, times(3)).handle(any(SchedulerEvent.class)); |
| verify(sched).killReservedContainer(container); |
| verify(sched).markContainerForPreemption(appAttemptId, container); |
| verify(sched).markContainerForKillable(container); |
| } catch (InterruptedException e) { |
| Assert.fail(); |
| } finally { |
| schedulerDispatcher.stop(); |
| rmDispatcher.stop(); |
| } |
| } |
| } |