MAPREDUCE-3250. When AM restarts, client keeps reconnecting to the new AM and prints a lots of logs. (vinodkv via mahadev)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1189023 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Mahadev Konar
parent
29c6c3ed32
commit
2adc51c618
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@ -1776,6 +1776,9 @@ Release 0.23.0 - Unreleased
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MAPREDUCE-2977. Fix ResourceManager to renew HDFS delegation tokens for
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applications. (acmurthy)
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MAPREDUCE-3250. When AM restarts, client keeps reconnecting to the new AM
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and prints a lots of logs. (vinodkv via mahadev)
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Release 0.22.0 - Unreleased
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INCOMPATIBLE CHANGES
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@ -81,7 +81,6 @@ public class ClientServiceDelegate {
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private final ApplicationId appId;
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private final ResourceMgrDelegate rm;
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private final MRClientProtocol historyServerProxy;
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private boolean forceRefresh;
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private MRClientProtocol realProxy = null;
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private RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null);
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private static String UNKNOWN_USER = "Unknown User";
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@ -122,7 +121,7 @@ public class ClientServiceDelegate {
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}
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private MRClientProtocol getProxy() throws YarnRemoteException {
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if (!forceRefresh && realProxy != null) {
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if (realProxy != null) {
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return realProxy;
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}
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@ -133,7 +132,9 @@ public class ClientServiceDelegate {
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trackingUrl = application.getTrackingUrl();
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}
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String serviceAddr = null;
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while (application == null || YarnApplicationState.RUNNING == application.getYarnApplicationState()) {
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while (application == null
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|| YarnApplicationState.RUNNING == application
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.getYarnApplicationState()) {
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if (application == null) {
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LOG.info("Could not get Job info from RM for job " + jobId
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+ ". Redirecting to job history server.");
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@ -163,7 +164,7 @@ public class ClientServiceDelegate {
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}
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LOG.info("Tracking Url of JOB is " + application.getTrackingUrl());
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LOG.info("Connecting to " + serviceAddr);
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instantiateAMProxy(serviceAddr);
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realProxy = instantiateAMProxy(serviceAddr);
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return realProxy;
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} catch (IOException e) {
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//possibly the AM has crashed
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@ -233,10 +234,12 @@ public class ClientServiceDelegate {
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return historyServerProxy;
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}
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private void instantiateAMProxy(final String serviceAddr) throws IOException {
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MRClientProtocol instantiateAMProxy(final String serviceAddr)
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throws IOException {
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UserGroupInformation currentUser = UserGroupInformation.getCurrentUser();
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LOG.trace("Connecting to ApplicationMaster at: " + serviceAddr);
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realProxy = currentUser.doAs(new PrivilegedAction<MRClientProtocol>() {
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MRClientProtocol proxy = currentUser
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.doAs(new PrivilegedAction<MRClientProtocol>() {
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@Override
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public MRClientProtocol run() {
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YarnRPC rpc = YarnRPC.create(conf);
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@ -245,6 +248,7 @@ public class ClientServiceDelegate {
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}
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});
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LOG.trace("Connected to ApplicationMaster at: " + serviceAddr);
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return proxy;
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}
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private synchronized Object invoke(String method, Class argClass,
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@ -274,12 +278,14 @@ public class ClientServiceDelegate {
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" retrying..");
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LOG.debug("Failed exception on AM/History contact",
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e.getTargetException());
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forceRefresh = true;
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// Force reconnection by setting the proxy to null.
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realProxy = null;
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} catch (Exception e) {
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LOG.info("Failed to contact AM/History for job " + jobId
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+ " Will retry..");
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LOG.debug("Failing to contact application master", e);
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forceRefresh = true;
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// Force reconnection by setting the proxy to null.
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realProxy = null;
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}
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}
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}
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@ -68,8 +68,6 @@ import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
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import org.apache.hadoop.net.NetUtils;
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import org.apache.hadoop.yarn.YarnException;
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import org.apache.hadoop.yarn.api.ClientRMProtocol;
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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.protocolrecords.GetAllApplicationsRequest;
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import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
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import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
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@ -84,6 +82,8 @@ import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest;
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import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse;
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import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
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import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
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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.protocolrecords.SubmitApplicationRequest;
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import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
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import org.apache.hadoop.yarn.api.records.ApplicationId;
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@ -123,20 +123,24 @@ public class TestClientRedirect {
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conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
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conf.set(YarnConfiguration.RM_ADDRESS, RMADDRESS);
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conf.set(JHAdminConfig.MR_HISTORY_ADDRESS, HSHOSTADDRESS);
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// Start the RM.
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RMService rmService = new RMService("test");
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rmService.init(conf);
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rmService.start();
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// Start the AM.
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AMService amService = new AMService();
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amService.init(conf);
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amService.start(conf);
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amRunning = true;
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// Start the HS.
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HistoryService historyService = new HistoryService();
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historyService.init(conf);
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historyService.start(conf);
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LOG.info("services started");
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Cluster cluster = new Cluster(conf);
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org.apache.hadoop.mapreduce.JobID jobID =
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new org.apache.hadoop.mapred.JobID("201103121733", 1);
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@ -151,13 +155,13 @@ public class TestClientRedirect {
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//bring down the AM service
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amService.stop();
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amRunning = false;
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LOG.info("Sleeping for 5 seconds after stop for" +
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" the server to exit cleanly..");
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Thread.sleep(5000);
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amRestarting = true;
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// Same client
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//results are returned from fake (not started job)
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counters = cluster.getJob(jobID).getCounters();
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@ -181,14 +185,15 @@ public class TestClientRedirect {
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amService = new AMService();
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amService.init(conf);
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amService.start(conf);
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amRunning = true;
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amContact = false; //reset
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counters = cluster.getJob(jobID).getCounters();
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validateCounters(counters);
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Assert.assertTrue(amContact);
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amRunning = false;
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// Stop the AM. It is not even restarting. So it should be treated as
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// completed.
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amService.stop();
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// Same client
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counters = cluster.getJob(jobID).getCounters();
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@ -347,6 +352,7 @@ public class TestClientRedirect {
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private InetSocketAddress bindAddress;
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private Server server;
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private final String hostAddress;
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public AMService() {
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this(AMHOSTADDRESS);
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}
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@ -376,11 +382,13 @@ public class TestClientRedirect {
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NetUtils.createSocketAddr(hostNameResolved.getHostAddress()
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+ ":" + server.getPort());
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super.start();
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amRunning = true;
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}
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public void stop() {
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server.stop();
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super.stop();
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amRunning = false;
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}
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@Override
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@ -1,208 +1,272 @@
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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.mapred;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.when;
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import junit.framework.Assert;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.mapreduce.JobID;
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import org.apache.hadoop.mapreduce.JobStatus;
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import org.apache.hadoop.mapreduce.MRConfig;
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import org.apache.hadoop.mapreduce.TypeConverter;
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import org.apache.hadoop.mapreduce.v2.api.MRClientProtocol;
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import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetJobReportRequest;
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import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetJobReportResponse;
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import org.apache.hadoop.mapreduce.v2.api.records.JobReport;
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import org.apache.hadoop.mapreduce.v2.api.records.JobState;
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import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
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import org.apache.hadoop.yarn.api.records.ApplicationReport;
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import org.apache.hadoop.yarn.api.records.YarnApplicationState;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
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import org.apache.hadoop.yarn.ipc.RPCUtil;
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import org.apache.hadoop.yarn.util.Records;
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import org.junit.Test;
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/**
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* Tests for ClientServiceDelegate.java
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*/
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public class TestClientServiceDelegate {
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private JobID oldJobId = JobID.forName("job_1315895242400_2");
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private org.apache.hadoop.mapreduce.v2.api.records.JobId jobId = TypeConverter
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.toYarn(oldJobId);
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@Test
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public void testUnknownAppInRM() throws Exception {
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MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
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when(historyServerProxy.getJobReport(getJobReportRequest())).thenReturn(
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getJobReportResponse());
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ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
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historyServerProxy, getRMDelegate());
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JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
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Assert.assertNotNull(jobStatus);
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}
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@Test
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public void testRemoteExceptionFromHistoryServer() throws Exception {
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MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
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when(historyServerProxy.getJobReport(getJobReportRequest())).thenThrow(
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RPCUtil.getRemoteException("Job ID doesnot Exist"));
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ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
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when(rm.getApplicationReport(TypeConverter.toYarn(oldJobId).getAppId()))
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.thenReturn(null);
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ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
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historyServerProxy, rm);
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try {
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clientServiceDelegate.getJobStatus(oldJobId);
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Assert.fail("Invoke should throw exception after retries.");
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} catch (YarnRemoteException e) {
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Assert.assertEquals("Job ID doesnot Exist", e.getMessage());
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}
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}
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@Test
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public void testRetriesOnConnectionFailure() throws Exception {
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MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
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when(historyServerProxy.getJobReport(getJobReportRequest())).thenThrow(
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new RuntimeException("1")).thenThrow(new RuntimeException("2"))
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.thenThrow(new RuntimeException("3"))
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.thenReturn(getJobReportResponse());
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ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
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when(rm.getApplicationReport(TypeConverter.toYarn(oldJobId).getAppId()))
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.thenReturn(null);
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ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
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historyServerProxy, rm);
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JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
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Assert.assertNotNull(jobStatus);
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}
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@Test
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public void testHistoryServerNotConfigured() throws Exception {
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//RM doesn't have app report and job History Server is not configured
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ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
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null, getRMDelegate());
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JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
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Assert.assertEquals("N/A", jobStatus.getUsername());
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Assert.assertEquals(JobStatus.State.PREP, jobStatus.getState());
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//RM has app report and job History Server is not configured
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ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
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ApplicationReport applicationReport = getApplicationReport();
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when(rm.getApplicationReport(jobId.getAppId())).thenReturn(
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applicationReport);
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clientServiceDelegate = getClientServiceDelegate(null, rm);
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jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
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Assert.assertEquals(applicationReport.getUser(), jobStatus.getUsername());
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Assert.assertEquals(JobStatus.State.SUCCEEDED, jobStatus.getState());
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}
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@Test
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public void testJobReportFromHistoryServer() throws Exception {
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MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
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when(historyServerProxy.getJobReport(getJobReportRequest())).thenReturn(
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getJobReportResponseFromHistoryServer());
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ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
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when(rm.getApplicationReport(TypeConverter.toYarn(oldJobId).getAppId()))
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.thenReturn(null);
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ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
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historyServerProxy, rm);
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JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
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Assert.assertNotNull(jobStatus);
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Assert.assertEquals("TestJobFilePath", jobStatus.getJobFile());
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Assert.assertEquals("http://TestTrackingUrl", jobStatus.getTrackingUrl());
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Assert.assertEquals(1.0f, jobStatus.getMapProgress());
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Assert.assertEquals(1.0f, jobStatus.getReduceProgress());
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}
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private GetJobReportRequest getJobReportRequest() {
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GetJobReportRequest request = Records.newRecord(GetJobReportRequest.class);
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request.setJobId(jobId);
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return request;
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}
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private GetJobReportResponse getJobReportResponse() {
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GetJobReportResponse jobReportResponse = Records
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.newRecord(GetJobReportResponse.class);
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JobReport jobReport = Records.newRecord(JobReport.class);
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jobReport.setJobId(jobId);
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jobReport.setJobState(JobState.SUCCEEDED);
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jobReportResponse.setJobReport(jobReport);
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return jobReportResponse;
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}
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private ApplicationReport getApplicationReport() {
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ApplicationReport applicationReport = Records
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.newRecord(ApplicationReport.class);
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applicationReport.setYarnApplicationState(YarnApplicationState.FINISHED);
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applicationReport.setUser("root");
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applicationReport.setHost("N/A");
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applicationReport.setName("N/A");
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applicationReport.setQueue("N/A");
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applicationReport.setStartTime(0);
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applicationReport.setFinishTime(0);
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applicationReport.setTrackingUrl("N/A");
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applicationReport.setDiagnostics("N/A");
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applicationReport.setFinalApplicationStatus(FinalApplicationStatus.SUCCEEDED);
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return applicationReport;
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}
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private ResourceMgrDelegate getRMDelegate() throws YarnRemoteException {
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ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
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when(rm.getApplicationReport(jobId.getAppId())).thenReturn(null);
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return rm;
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}
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private ClientServiceDelegate getClientServiceDelegate(
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MRClientProtocol historyServerProxy, ResourceMgrDelegate rm) {
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Configuration conf = new YarnConfiguration();
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conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
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ClientServiceDelegate clientServiceDelegate = new ClientServiceDelegate(
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conf, rm, oldJobId, historyServerProxy);
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return clientServiceDelegate;
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}
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private GetJobReportResponse getJobReportResponseFromHistoryServer() {
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GetJobReportResponse jobReportResponse = Records
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.newRecord(GetJobReportResponse.class);
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JobReport jobReport = Records.newRecord(JobReport.class);
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jobReport.setJobId(jobId);
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jobReport.setJobState(JobState.SUCCEEDED);
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jobReport.setMapProgress(1.0f);
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jobReport.setReduceProgress(1.0f);
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jobReport.setJobFile("TestJobFilePath");
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jobReport.setTrackingUrl("TestTrackingUrl");
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jobReportResponse.setJobReport(jobReport);
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return jobReportResponse;
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}
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}
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/**
|
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* 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.
|
||||
*/
|
||||
|
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package org.apache.hadoop.mapred;
|
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|
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import static org.mockito.Matchers.any;
|
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import static org.mockito.Mockito.*;
|
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|
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import java.io.IOException;
|
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|
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import junit.framework.Assert;
|
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|
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import org.apache.hadoop.conf.Configuration;
|
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import org.apache.hadoop.mapreduce.JobID;
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import org.apache.hadoop.mapreduce.JobStatus;
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import org.apache.hadoop.mapreduce.MRConfig;
|
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import org.apache.hadoop.mapreduce.TypeConverter;
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import org.apache.hadoop.mapreduce.v2.api.MRClientProtocol;
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import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetJobReportRequest;
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import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetJobReportResponse;
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import org.apache.hadoop.mapreduce.v2.api.records.JobReport;
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import org.apache.hadoop.mapreduce.v2.api.records.JobState;
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import org.apache.hadoop.mapreduce.v2.util.MRBuilderUtils;
|
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import org.apache.hadoop.yarn.api.records.ApplicationReport;
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import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
|
||||
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
|
||||
import org.apache.hadoop.yarn.conf.YarnConfiguration;
|
||||
import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
|
||||
import org.apache.hadoop.yarn.ipc.RPCUtil;
|
||||
import org.apache.hadoop.yarn.util.BuilderUtils;
|
||||
import org.apache.hadoop.yarn.util.Records;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* Tests for ClientServiceDelegate.java
|
||||
*/
|
||||
|
||||
public class TestClientServiceDelegate {
|
||||
private JobID oldJobId = JobID.forName("job_1315895242400_2");
|
||||
private org.apache.hadoop.mapreduce.v2.api.records.JobId jobId = TypeConverter
|
||||
.toYarn(oldJobId);
|
||||
|
||||
@Test
|
||||
public void testUnknownAppInRM() throws Exception {
|
||||
MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
|
||||
when(historyServerProxy.getJobReport(getJobReportRequest())).thenReturn(
|
||||
getJobReportResponse());
|
||||
ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
|
||||
historyServerProxy, getRMDelegate());
|
||||
|
||||
JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertNotNull(jobStatus);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRemoteExceptionFromHistoryServer() throws Exception {
|
||||
|
||||
MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
|
||||
when(historyServerProxy.getJobReport(getJobReportRequest())).thenThrow(
|
||||
RPCUtil.getRemoteException("Job ID doesnot Exist"));
|
||||
|
||||
ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
|
||||
when(rm.getApplicationReport(TypeConverter.toYarn(oldJobId).getAppId()))
|
||||
.thenReturn(null);
|
||||
|
||||
ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
|
||||
historyServerProxy, rm);
|
||||
|
||||
try {
|
||||
clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.fail("Invoke should throw exception after retries.");
|
||||
} catch (YarnRemoteException e) {
|
||||
Assert.assertEquals("Job ID doesnot Exist", e.getMessage());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRetriesOnConnectionFailure() throws Exception {
|
||||
|
||||
MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
|
||||
when(historyServerProxy.getJobReport(getJobReportRequest())).thenThrow(
|
||||
new RuntimeException("1")).thenThrow(new RuntimeException("2"))
|
||||
.thenThrow(new RuntimeException("3"))
|
||||
.thenReturn(getJobReportResponse());
|
||||
|
||||
ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
|
||||
when(rm.getApplicationReport(TypeConverter.toYarn(oldJobId).getAppId()))
|
||||
.thenReturn(null);
|
||||
|
||||
ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
|
||||
historyServerProxy, rm);
|
||||
|
||||
JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertNotNull(jobStatus);
|
||||
verify(historyServerProxy, times(4)).getJobReport(
|
||||
any(GetJobReportRequest.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testHistoryServerNotConfigured() throws Exception {
|
||||
//RM doesn't have app report and job History Server is not configured
|
||||
ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
|
||||
null, getRMDelegate());
|
||||
JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertEquals("N/A", jobStatus.getUsername());
|
||||
Assert.assertEquals(JobStatus.State.PREP, jobStatus.getState());
|
||||
|
||||
//RM has app report and job History Server is not configured
|
||||
ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
|
||||
ApplicationReport applicationReport = getFinishedApplicationReport();
|
||||
when(rm.getApplicationReport(jobId.getAppId())).thenReturn(
|
||||
applicationReport);
|
||||
|
||||
clientServiceDelegate = getClientServiceDelegate(null, rm);
|
||||
jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertEquals(applicationReport.getUser(), jobStatus.getUsername());
|
||||
Assert.assertEquals(JobStatus.State.SUCCEEDED, jobStatus.getState());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testJobReportFromHistoryServer() throws Exception {
|
||||
MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
|
||||
when(historyServerProxy.getJobReport(getJobReportRequest())).thenReturn(
|
||||
getJobReportResponseFromHistoryServer());
|
||||
ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
|
||||
when(rm.getApplicationReport(TypeConverter.toYarn(oldJobId).getAppId()))
|
||||
.thenReturn(null);
|
||||
ClientServiceDelegate clientServiceDelegate = getClientServiceDelegate(
|
||||
historyServerProxy, rm);
|
||||
|
||||
JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertNotNull(jobStatus);
|
||||
Assert.assertEquals("TestJobFilePath", jobStatus.getJobFile());
|
||||
Assert.assertEquals("http://TestTrackingUrl", jobStatus.getTrackingUrl());
|
||||
Assert.assertEquals(1.0f, jobStatus.getMapProgress());
|
||||
Assert.assertEquals(1.0f, jobStatus.getReduceProgress());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testReconnectOnAMRestart() throws IOException {
|
||||
|
||||
MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
|
||||
|
||||
// RM returns AM1 url, null, null and AM2 url on invocations.
|
||||
// Nulls simulate the time when AM2 is in the process of restarting.
|
||||
ResourceMgrDelegate rmDelegate = mock(ResourceMgrDelegate.class);
|
||||
when(rmDelegate.getApplicationReport(jobId.getAppId())).thenReturn(
|
||||
getRunningApplicationReport("am1", 78)).thenReturn(
|
||||
getRunningApplicationReport(null, 0)).thenReturn(
|
||||
getRunningApplicationReport(null, 0)).thenReturn(
|
||||
getRunningApplicationReport("am2", 90));
|
||||
|
||||
GetJobReportResponse jobReportResponse1 = mock(GetJobReportResponse.class);
|
||||
when(jobReportResponse1.getJobReport()).thenReturn(
|
||||
MRBuilderUtils.newJobReport(jobId, "jobName-firstGen", "user",
|
||||
JobState.RUNNING, 0, 0, 0, 0, 0, 0, "anything"));
|
||||
|
||||
// First AM returns a report with jobName firstGen and simulates AM shutdown
|
||||
// on second invocation.
|
||||
MRClientProtocol firstGenAMProxy = mock(MRClientProtocol.class);
|
||||
when(firstGenAMProxy.getJobReport(any(GetJobReportRequest.class)))
|
||||
.thenReturn(jobReportResponse1).thenThrow(
|
||||
new RuntimeException("AM is down!"));
|
||||
|
||||
GetJobReportResponse jobReportResponse2 = mock(GetJobReportResponse.class);
|
||||
when(jobReportResponse2.getJobReport()).thenReturn(
|
||||
MRBuilderUtils.newJobReport(jobId, "jobName-secondGen", "user",
|
||||
JobState.RUNNING, 0, 0, 0, 0, 0, 0, "anything"));
|
||||
|
||||
// Second AM generation returns a report with jobName secondGen
|
||||
MRClientProtocol secondGenAMProxy = mock(MRClientProtocol.class);
|
||||
when(secondGenAMProxy.getJobReport(any(GetJobReportRequest.class)))
|
||||
.thenReturn(jobReportResponse2);
|
||||
|
||||
ClientServiceDelegate clientServiceDelegate = spy(getClientServiceDelegate(
|
||||
historyServerProxy, rmDelegate));
|
||||
// First time, connection should be to AM1, then to AM2. Further requests
|
||||
// should use the same proxy to AM2 and so instantiateProxy shouldn't be
|
||||
// called.
|
||||
doReturn(firstGenAMProxy).doReturn(secondGenAMProxy).when(
|
||||
clientServiceDelegate).instantiateAMProxy(any(String.class));
|
||||
|
||||
JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertNotNull(jobStatus);
|
||||
Assert.assertEquals("jobName-firstGen", jobStatus.getJobName());
|
||||
|
||||
jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertNotNull(jobStatus);
|
||||
Assert.assertEquals("jobName-secondGen", jobStatus.getJobName());
|
||||
|
||||
jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
|
||||
Assert.assertNotNull(jobStatus);
|
||||
Assert.assertEquals("jobName-secondGen", jobStatus.getJobName());
|
||||
|
||||
verify(clientServiceDelegate, times(2)).instantiateAMProxy(
|
||||
any(String.class));
|
||||
}
|
||||
|
||||
private GetJobReportRequest getJobReportRequest() {
|
||||
GetJobReportRequest request = Records.newRecord(GetJobReportRequest.class);
|
||||
request.setJobId(jobId);
|
||||
return request;
|
||||
}
|
||||
|
||||
private GetJobReportResponse getJobReportResponse() {
|
||||
GetJobReportResponse jobReportResponse = Records
|
||||
.newRecord(GetJobReportResponse.class);
|
||||
JobReport jobReport = Records.newRecord(JobReport.class);
|
||||
jobReport.setJobId(jobId);
|
||||
jobReport.setJobState(JobState.SUCCEEDED);
|
||||
jobReportResponse.setJobReport(jobReport);
|
||||
return jobReportResponse;
|
||||
}
|
||||
|
||||
private ApplicationReport getFinishedApplicationReport() {
|
||||
return BuilderUtils.newApplicationReport(BuilderUtils.newApplicationId(
|
||||
1234, 5), "user", "queue", "appname", "host", 124, null,
|
||||
YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
|
||||
FinalApplicationStatus.SUCCEEDED, null);
|
||||
}
|
||||
|
||||
private ApplicationReport getRunningApplicationReport(String host, int port) {
|
||||
return BuilderUtils.newApplicationReport(BuilderUtils.newApplicationId(
|
||||
1234, 5), "user", "queue", "appname", host, port, null,
|
||||
YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
|
||||
FinalApplicationStatus.UNDEFINED, null);
|
||||
}
|
||||
|
||||
private ResourceMgrDelegate getRMDelegate() throws YarnRemoteException {
|
||||
ResourceMgrDelegate rm = mock(ResourceMgrDelegate.class);
|
||||
when(rm.getApplicationReport(jobId.getAppId())).thenReturn(null);
|
||||
return rm;
|
||||
}
|
||||
|
||||
private ClientServiceDelegate getClientServiceDelegate(
|
||||
MRClientProtocol historyServerProxy, ResourceMgrDelegate rm) {
|
||||
Configuration conf = new YarnConfiguration();
|
||||
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
|
||||
ClientServiceDelegate clientServiceDelegate = new ClientServiceDelegate(
|
||||
conf, rm, oldJobId, historyServerProxy);
|
||||
return clientServiceDelegate;
|
||||
}
|
||||
|
||||
private GetJobReportResponse getJobReportResponseFromHistoryServer() {
|
||||
GetJobReportResponse jobReportResponse = Records
|
||||
.newRecord(GetJobReportResponse.class);
|
||||
JobReport jobReport = Records.newRecord(JobReport.class);
|
||||
jobReport.setJobId(jobId);
|
||||
jobReport.setJobState(JobState.SUCCEEDED);
|
||||
jobReport.setMapProgress(1.0f);
|
||||
jobReport.setReduceProgress(1.0f);
|
||||
jobReport.setJobFile("TestJobFilePath");
|
||||
jobReport.setTrackingUrl("TestTrackingUrl");
|
||||
jobReportResponse.setJobReport(jobReport);
|
||||
return jobReportResponse;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue