YARN-1675. Added the previously missed new file.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1573736 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli
parent
b35051c0f0
commit
c26bdddcc3
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@ -0,0 +1,416 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.resourcemanager;
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import static org.junit.Assert.fail;
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import java.io.IOException;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.ha.ClientBaseWithFixes;
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import org.apache.hadoop.ha.HAServiceProtocol;
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import org.apache.hadoop.ha.HAServiceProtocol.HAServiceState;
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import org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo;
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import org.apache.hadoop.security.UserGroupInformation;
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import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
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import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
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import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
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import org.apache.hadoop.yarn.api.records.ApplicationId;
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import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
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import org.apache.hadoop.yarn.conf.HAUtil;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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import org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException;
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore;
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import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
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import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.security.QueueACLsManager;
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import org.apache.hadoop.yarn.server.resourcemanager.security.RMDelegationTokenSecretManager;
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import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
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import org.junit.After;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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public class TestKillApplicationWithRMHA extends ClientBaseWithFixes{
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public static final Log LOG = LogFactory
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.getLog(TestKillApplicationWithRMHA.class);
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private static final int ZK_TIMEOUT_MS = 5000;
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private static StateChangeRequestInfo requestInfo =
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new StateChangeRequestInfo(
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HAServiceProtocol.RequestSource.REQUEST_BY_USER);
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private Configuration configuration = new YarnConfiguration();
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static MockRM rm1 = null;
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static MockRM rm2 = null;
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Configuration confForRM1;
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Configuration confForRM2;
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@Before
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public void setup() throws Exception {
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configuration.setBoolean(YarnConfiguration.RM_HA_ENABLED, true);
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configuration.set(YarnConfiguration.RM_HA_IDS, "rm1,rm2");
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configuration.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true);
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configuration.set(YarnConfiguration.RM_STORE,
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ZKRMStateStore.class.getName());
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configuration.set(YarnConfiguration.RM_ZK_ADDRESS, hostPort);
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configuration.setInt(YarnConfiguration.RM_ZK_TIMEOUT_MS, ZK_TIMEOUT_MS);
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configuration.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
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configuration.set(YarnConfiguration.RM_CLUSTER_ID, "test-yarn-cluster");
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int base = 100;
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for (String confKey : YarnConfiguration
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.getServiceAddressConfKeys(configuration)) {
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configuration.set(HAUtil.addSuffix(confKey, "rm1"), "0.0.0.0:"
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+ (base + 20));
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configuration.set(HAUtil.addSuffix(confKey, "rm2"), "0.0.0.0:"
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+ (base + 40));
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base = base * 2;
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}
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confForRM1 = new Configuration(configuration);
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confForRM1.set(YarnConfiguration.RM_HA_ID, "rm1");
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confForRM2 = new Configuration(configuration);
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confForRM2.set(YarnConfiguration.RM_HA_ID, "rm2");
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}
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@After
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public void teardown() {
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if (rm1 != null) {
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rm1.stop();
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}
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if (rm2 != null) {
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rm2.stop();
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}
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}
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@Test (timeout = 20000)
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public void testKillAppWhenFailoverHappensAtNewState()
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throws Exception {
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// create a customized RMAppManager
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// During the process of Application submission,
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// the RMAppState will always be NEW.
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// The ApplicationState will not be saved in RMStateStore.
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startRMsWithCustomizedRMAppManager();
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MockNM nm1 =
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new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
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nm1.registerNode();
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// Submit the application
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RMApp app0 =
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rm1.submitApp(200, "", UserGroupInformation
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.getCurrentUser().getShortUserName(), null, false, null,
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configuration.getInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
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YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS), null, null,
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false, false);
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// failover and kill application
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// When FailOver happens, the state of this application is NEW,
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// and ApplicationState is not saved in RMStateStore. The active RM
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// can not load the ApplicationState of this application.
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// Expected to get ApplicationNotFoundException
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// when receives the KillApplicationRequest
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try {
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failOverAndKillApp(app0.getApplicationId(), RMAppState.NEW);
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fail("Should get an exception here");
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} catch (ApplicationNotFoundException ex) {
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Assert.assertTrue(ex.getMessage().contains(
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"Trying to kill an absent application " + app0.getApplicationId()));
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}
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}
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@Test (timeout = 20000)
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public void testKillAppWhenFailoverHappensAtRunningState()
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throws Exception {
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startRMs();
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MockNM nm1 = new MockNM("127.0.0.1:1234", 15120,
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rm1.getResourceTrackerService());
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nm1.registerNode();
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// create app and launch the AM
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RMApp app0 = rm1.submitApp(200);
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MockAM am0 = launchAM(app0, rm1, nm1);
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// failover and kill application
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// The application is at RUNNING State when failOver happens.
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// Since RMStateStore has already saved ApplicationState, the active RM
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// will load the ApplicationState. After that, the application will be at
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// ACCEPTED State. Because the application is not at Final State,
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// KillApplicationResponse.getIsKillCompleted is expected to return false.
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failOverAndKillApp(app0.getApplicationId(),
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am0.getApplicationAttemptId(), RMAppState.RUNNING,
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RMAppAttemptState.RUNNING, RMAppState.ACCEPTED);
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}
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@Test (timeout = 20000)
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public void testKillAppWhenFailoverHappensAtFinalState()
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throws Exception {
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startRMs();
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MockNM nm1 = new MockNM("127.0.0.1:1234", 15120,
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rm1.getResourceTrackerService());
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nm1.registerNode();
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// create app and launch the AM
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RMApp app0 = rm1.submitApp(200);
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MockAM am0 = launchAM(app0, rm1, nm1);
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// kill the app.
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rm1.killApp(app0.getApplicationId());
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rm1.waitForState(app0.getApplicationId(), RMAppState.KILLED);
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rm1.waitForState(am0.getApplicationAttemptId(), RMAppAttemptState.KILLED);
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// failover and kill application
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// The application is at Killed State and RMStateStore has already
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// saved this applicationState. After failover happens, the current
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// active RM will load the ApplicationState whose RMAppState is killed.
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// Because this application is at Final State,
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// KillApplicationResponse.getIsKillCompleted is expected to return true.
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failOverAndKillApp(app0.getApplicationId(),
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am0.getApplicationAttemptId(), RMAppState.KILLED,
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RMAppAttemptState.KILLED, RMAppState.KILLED);
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}
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@Test (timeout = 20000)
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public void testKillAppWhenFailOverHappensDuringApplicationKill()
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throws Exception {
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// create a customized ClientRMService
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// When receives the killApplicationRequest, simply return the response
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// and make sure the application will not be KILLED State
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startRMsWithCustomizedClientRMService();
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MockNM nm1 = new MockNM("127.0.0.1:1234", 15120,
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rm1.getResourceTrackerService());
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nm1.registerNode();
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// create app and launch the AM
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RMApp app0 = rm1.submitApp(200);
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MockAM am0 = launchAM(app0, rm1, nm1);
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// ensure that the app is in running state
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Assert.assertEquals(app0.getState(), RMAppState.RUNNING);
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// kill the app.
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rm1.killApp(app0.getApplicationId());
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// failover happens before this application goes to final state.
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// The RMAppState that will be loaded by the active rm
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// should be ACCEPTED.
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failOverAndKillApp(app0.getApplicationId(),
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am0.getApplicationAttemptId(), RMAppState.RUNNING,
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RMAppAttemptState.RUNNING, RMAppState.ACCEPTED);
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}
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private MockAM launchAM(RMApp app, MockRM rm, MockNM nm)
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throws Exception {
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RMAppAttempt attempt = app.getCurrentAppAttempt();
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nm.nodeHeartbeat(true);
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MockAM am = rm.sendAMLaunched(attempt.getAppAttemptId());
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am.registerAppAttempt();
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rm.waitForState(app.getApplicationId(), RMAppState.RUNNING);
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rm.waitForState(app.getCurrentAppAttempt().getAppAttemptId(),
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RMAppAttemptState.RUNNING);
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return am;
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}
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private void failOverAndKillApp(ApplicationId appId,
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ApplicationAttemptId appAttemptId, RMAppState initialRMAppState,
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RMAppAttemptState initialRMAppAttemptState,
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RMAppState expectedAppStateBeforeKillApp) throws Exception {
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Assert.assertEquals(initialRMAppState,
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rm1.getRMContext().getRMApps().get(appId).getState());
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Assert.assertEquals(initialRMAppAttemptState, rm1.getRMContext()
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.getRMApps().get(appId).getAppAttempts().get(appAttemptId).getState());
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explicitFailover();
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Assert.assertEquals(expectedAppStateBeforeKillApp,
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rm2.getRMContext().getRMApps().get(appId).getState());
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killApplication(rm2, appId, appAttemptId, initialRMAppState);
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}
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private void failOverAndKillApp(ApplicationId appId,
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RMAppState initialRMAppState) throws Exception {
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Assert.assertEquals(initialRMAppState,
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rm1.getRMContext().getRMApps().get(appId).getState());
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explicitFailover();
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Assert.assertTrue(rm2.getRMContext().getRMApps().get(appId) == null);
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killApplication(rm2, appId, null, initialRMAppState);
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}
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private void startRMs() throws IOException {
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rm1 = new MockRM(confForRM1);
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rm2 = new MockRM(confForRM2);
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startRMs(rm1, confForRM1, rm2, confForRM2);
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}
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private void startRMsWithCustomizedRMAppManager() throws IOException {
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final Configuration conf1 = new Configuration(confForRM1);
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rm1 = new MockRM(conf1) {
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@Override
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protected RMAppManager createRMAppManager() {
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return new MyRMAppManager(this.rmContext, this.scheduler,
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this.masterService, this.applicationACLsManager, conf1);
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}
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};
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rm2 = new MockRM(confForRM2);
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startRMs(rm1, conf1, rm2, confForRM2);
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}
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private void startRMsWithCustomizedClientRMService() throws IOException {
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final Configuration conf1 = new Configuration(confForRM1);
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rm1 = new MockRM(conf1) {
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@Override
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protected ClientRMService createClientRMService() {
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return new MyClientRMService(this.rmContext, this.scheduler,
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this.rmAppManager, this.applicationACLsManager,
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this.queueACLsManager, getRMDTSecretManager());
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}
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};
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rm2 = new MockRM(confForRM2);
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startRMs(rm1, conf1, rm2, confForRM2);
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}
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private static class MyRMAppManager extends RMAppManager {
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private Configuration conf;
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private RMContext rmContext;
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public MyRMAppManager(RMContext context, YarnScheduler scheduler,
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ApplicationMasterService masterService,
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ApplicationACLsManager applicationACLsManager, Configuration conf) {
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super(context, scheduler, masterService, applicationACLsManager, conf);
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this.conf = conf;
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this.rmContext = context;
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}
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@Override
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protected void submitApplication(
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ApplicationSubmissionContext submissionContext, long submitTime,
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String user, boolean isRecovered, RMState state) throws YarnException {
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//Do nothing, just add the application to RMContext
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RMAppImpl application =
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new RMAppImpl(submissionContext.getApplicationId(), this.rmContext,
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this.conf, submissionContext.getApplicationName(), user,
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submissionContext.getQueue(), submissionContext,
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this.rmContext.getScheduler(),
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this.rmContext.getApplicationMasterService(),
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submitTime, submissionContext.getApplicationType(),
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submissionContext.getApplicationTags());
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this.rmContext.getRMApps().put(submissionContext.getApplicationId(),
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application);
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//Do not send RMAppEventType.START event
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//so the state of Application will not reach to NEW_SAVING state.
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}
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}
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private static class MyClientRMService extends ClientRMService {
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private RMContext rmContext;
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public MyClientRMService(RMContext rmContext, YarnScheduler scheduler,
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RMAppManager rmAppManager,
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ApplicationACLsManager applicationACLsManager,
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QueueACLsManager queueACLsManager,
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RMDelegationTokenSecretManager rmDTSecretManager) {
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super(rmContext, scheduler, rmAppManager, applicationACLsManager,
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queueACLsManager, rmDTSecretManager);
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this.rmContext = rmContext;
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}
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@Override
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protected void serviceStart() {
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// override to not start rpc handler
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}
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@Override
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protected void serviceStop() {
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// don't do anything
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}
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@Override
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public KillApplicationResponse forceKillApplication(
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KillApplicationRequest request) throws YarnException {
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ApplicationId applicationId = request.getApplicationId();
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RMApp application = this.rmContext.getRMApps().get(applicationId);
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if (application.isAppSafeToTerminate()) {
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return KillApplicationResponse.newInstance(true);
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} else {
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return KillApplicationResponse.newInstance(false);
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}
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}
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}
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private boolean isFinalState(RMAppState state) {
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return state.equals(RMAppState.FINISHING)
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|| state.equals(RMAppState.FINISHED) || state.equals(RMAppState.FAILED)
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|| state.equals(RMAppState.KILLED);
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}
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private void explicitFailover() throws IOException {
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rm1.adminService.transitionToStandby(requestInfo);
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rm2.adminService.transitionToActive(requestInfo);
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Assert.assertTrue(rm1.getRMContext().getHAServiceState()
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== HAServiceState.STANDBY);
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Assert.assertTrue(rm2.getRMContext().getHAServiceState()
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== HAServiceState.ACTIVE);
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}
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private void killApplication(MockRM rm, ApplicationId appId,
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ApplicationAttemptId appAttemptId, RMAppState rmAppState)
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throws Exception {
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KillApplicationResponse response = rm.killApp(appId);
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Assert
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.assertTrue(response.getIsKillCompleted() == isFinalState(rmAppState));
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RMApp loadedApp0 =
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rm.getRMContext().getRMApps().get(appId);
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rm.waitForState(appId, RMAppState.KILLED);
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if (appAttemptId != null) {
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rm.waitForState(appAttemptId, RMAppAttemptState.KILLED);
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}
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// no new attempt is created.
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Assert.assertEquals(1, loadedApp0.getAppAttempts().size());
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}
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private void startRMs(MockRM rm1, Configuration confForRM1, MockRM rm2,
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Configuration confForRM2) throws IOException {
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rm1.init(confForRM1);
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rm1.start();
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Assert.assertTrue(rm1.getRMContext().getHAServiceState()
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== HAServiceState.STANDBY);
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rm2.init(confForRM2);
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rm2.start();
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Assert.assertTrue(rm2.getRMContext().getHAServiceState()
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== HAServiceState.STANDBY);
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rm1.adminService.transitionToActive(requestInfo);
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Assert.assertTrue(rm1.getRMContext().getHAServiceState()
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== HAServiceState.ACTIVE);
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}
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}
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