| /** |
| * 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 java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.ContainerStatus; |
| import org.apache.hadoop.yarn.api.records.ResourceRequest; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp; |
| import org.slf4j.event.Level; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Test UAM handling in RM. |
| */ |
| public class TestWorkPreservingUnmanagedAM |
| extends ParameterizedSchedulerTestBase { |
| |
| private YarnConfiguration conf; |
| |
| public TestWorkPreservingUnmanagedAM(SchedulerType type) throws IOException { |
| super(type); |
| } |
| |
| @Before |
| public void setup() { |
| GenericTestUtils.setRootLogLevel(Level.DEBUG); |
| conf = getConf(); |
| UserGroupInformation.setConfiguration(conf); |
| DefaultMetricsSystem.setMiniClusterMode(true); |
| } |
| |
| /** |
| * Test UAM work preserving restart. When the keepContainersAcrossAttempt flag |
| * is on, we allow UAM to directly register again and move on without getting |
| * the applicationAlreadyRegistered exception. |
| */ |
| protected void testUAMRestart(boolean keepContainers) throws Exception { |
| // start RM |
| MockRM rm = new MockRM(); |
| rm.start(); |
| MockNM nm = |
| new MockNM("127.0.0.1:1234", 15120, rm.getResourceTrackerService()); |
| nm.registerNode(); |
| |
| // create app and launch the UAM |
| boolean unamanged = true; |
| int maxAttempts = 1; |
| boolean waitForAccepted = true; |
| MockRMAppSubmissionData data = |
| MockRMAppSubmissionData.Builder.createWithMemory(200, rm) |
| .withAppName("") |
| .withUser(UserGroupInformation.getCurrentUser().getShortUserName()) |
| .withAcls(null) |
| .withUnmanagedAM(unamanged) |
| .withQueue(null) |
| .withMaxAppAttempts(maxAttempts) |
| .withCredentials(null) |
| .withAppType(null) |
| .withWaitForAppAcceptedState(waitForAccepted) |
| .withKeepContainers(keepContainers) |
| .build(); |
| RMApp app = MockRMAppSubmitter.submit(rm, data); |
| |
| MockAM am = MockRM.launchUAM(app, rm, nm); |
| |
| // Register for the first time |
| am.registerAppAttempt(); |
| |
| // Allocate two containers to UAM |
| int numContainers = 3; |
| List<Container> conts = am.allocate("127.0.0.1", 1000, numContainers, |
| new ArrayList<ContainerId>()).getAllocatedContainers(); |
| while (conts.size() < numContainers) { |
| nm.nodeHeartbeat(true); |
| conts.addAll(am.allocate(new ArrayList<ResourceRequest>(), |
| new ArrayList<ContainerId>()).getAllocatedContainers()); |
| Thread.sleep(100); |
| } |
| |
| // Release one container |
| List<ContainerId> releaseList = |
| Collections.singletonList(conts.get(0).getId()); |
| List<ContainerStatus> finishedConts = |
| am.allocate(new ArrayList<ResourceRequest>(), releaseList) |
| .getCompletedContainersStatuses(); |
| while (finishedConts.size() < releaseList.size()) { |
| nm.nodeHeartbeat(true); |
| finishedConts |
| .addAll(am |
| .allocate(new ArrayList<ResourceRequest>(), |
| new ArrayList<ContainerId>()) |
| .getCompletedContainersStatuses()); |
| Thread.sleep(100); |
| } |
| |
| // Register for the second time |
| RegisterApplicationMasterResponse response = null; |
| try { |
| response = am.registerAppAttempt(false); |
| } catch (InvalidApplicationMasterRequestException e) { |
| Assert.assertEquals(false, keepContainers); |
| return; |
| } |
| Assert.assertEquals("RM should not allow second register" |
| + " for UAM without keep container flag ", true, keepContainers); |
| |
| // Expecting the two running containers previously |
| Assert.assertEquals(2, response.getContainersFromPreviousAttempts().size()); |
| Assert.assertEquals(1, response.getNMTokensFromPreviousAttempts().size()); |
| |
| // Allocate one more containers to UAM, just to be safe |
| numContainers = 1; |
| am.allocate("127.0.0.1", 1000, numContainers, new ArrayList<ContainerId>()); |
| nm.nodeHeartbeat(true); |
| conts = am.allocate(new ArrayList<ResourceRequest>(), |
| new ArrayList<ContainerId>()).getAllocatedContainers(); |
| while (conts.size() < numContainers) { |
| nm.nodeHeartbeat(true); |
| conts.addAll(am.allocate(new ArrayList<ResourceRequest>(), |
| new ArrayList<ContainerId>()).getAllocatedContainers()); |
| Thread.sleep(100); |
| } |
| |
| rm.stop(); |
| } |
| |
| @Test(timeout = 600000) |
| public void testUAMRestartKeepContainers() throws Exception { |
| testUAMRestart(true); |
| } |
| |
| @Test(timeout = 600000) |
| public void testUAMRestartNoKeepContainers() throws Exception { |
| testUAMRestart(false); |
| } |
| |
| } |