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YARN-1254. Fixed NodeManager to not pollute container's credentials. Contributed by Omkar Vinit Joshi. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529382 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2013-10-05 04:25:44 +00:00
parent fc23fd3121
commit 0a887a0910
4 changed files with 33 additions and 6 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -171,6 +171,9 @@ Release 2.1.2 - UNRELEASED
YARN-1167. Fixed Distributed Shell to not incorrectly show empty hostname
on RM UI. (Xuan Gong via vinodkv)
YARN-1254. Fixed NodeManager to not pollute container's credentials. (Omkar
Vinit Joshi via vinodkv)
Release 2.1.1-beta - 2013-09-23
INCOMPATIBLE CHANGES

8
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ContainerLocalizer.java
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@ -65,7 +65,6 @@ import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalizerHe
import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalizerStatus;
import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.ResourceStatusType;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.LocalizerTokenIdentifier;
import org.apache.hadoop.yarn.server.utils.YarnServerBuilderUtils;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.hadoop.yarn.util.FSDownload;
@ -130,9 +129,12 @@ public class ContainerLocalizer {
try {
// assume credentials in cwd
// TODO: Fix
credFile = lfs.open(
new Path(String.format(TOKEN_FILE_NAME_FMT, localizerId)));
Path tokenPath =
new Path(String.format(TOKEN_FILE_NAME_FMT, localizerId));
credFile = lfs.open(tokenPath);
creds.readTokenStorageStream(credFile);
// Explicitly deleting token file.
lfs.delete(tokenPath, false);
} finally {
if (credFile != null) {
credFile.close();

1
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
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@ -1017,6 +1017,7 @@ public class ResourceLocalizationService extends CompositeService
}
}
if (UserGroupInformation.isSecurityEnabled()) {
credentials = new Credentials(credentials);
LocalizerTokenIdentifier id = secretManager.createIdentifier();
Token<LocalizerTokenIdentifier> localizerToken =
new Token<LocalizerTokenIdentifier>(id, secretManager);

27
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/TestContainerLocalizer.java
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@ -32,6 +32,7 @@ import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@ -46,6 +47,8 @@ import java.util.concurrent.CompletionService;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.AbstractFileSystem;
import org.apache.hadoop.fs.FSDataInputStream;
@ -77,6 +80,7 @@ import org.mockito.stubbing.Answer;
public class TestContainerLocalizer {
static final Log LOG = LogFactory.getLog(TestContainerLocalizer.class);
static final Path basedir =
new Path("target", TestContainerLocalizer.class.getName());
@ -94,7 +98,10 @@ public class TestContainerLocalizer {
@Test
public void testContainerLocalizerMain() throws Exception {
ContainerLocalizer localizer = setupContainerLocalizerForTest();
FileContext fs = FileContext.getLocalFSFileContext();
spylfs = spy(fs.getDefaultFileSystem());
ContainerLocalizer localizer =
setupContainerLocalizerForTest();
// verify created cache
List<Path> privCacheList = new ArrayList<Path>();
@ -190,11 +197,25 @@ public class TestContainerLocalizer {
}
}));
}
@Test
@SuppressWarnings("unchecked")
public void testLocalizerTokenIsGettingRemoved() throws Exception {
FileContext fs = FileContext.getLocalFSFileContext();
spylfs = spy(fs.getDefaultFileSystem());
ContainerLocalizer localizer = setupContainerLocalizerForTest();
doNothing().when(localizer).localizeFiles(any(LocalizationProtocol.class),
any(CompletionService.class), any(UserGroupInformation.class));
localizer.runLocalization(nmAddr);
verify(spylfs, times(1)).delete(tokenPath, false);
}
@Test
@SuppressWarnings("unchecked") // mocked generics
public void testContainerLocalizerClosesFilesystems() throws Exception {
// verify filesystems are closed when localizer doesn't fail
FileContext fs = FileContext.getLocalFSFileContext();
spylfs = spy(fs.getDefaultFileSystem());
ContainerLocalizer localizer = setupContainerLocalizerForTest();
doNothing().when(localizer).localizeFiles(any(LocalizationProtocol.class),
any(CompletionService.class), any(UserGroupInformation.class));
@ -203,6 +224,7 @@ public class TestContainerLocalizer {
localizer.runLocalization(nmAddr);
verify(localizer).closeFileSystems(any(UserGroupInformation.class));
spylfs = spy(fs.getDefaultFileSystem());
// verify filesystems are closed when localizer fails
localizer = setupContainerLocalizerForTest();
doThrow(new YarnRuntimeException("Forced Failure")).when(localizer).localizeFiles(
@ -217,7 +239,6 @@ public class TestContainerLocalizer {
@SuppressWarnings("unchecked") // mocked generics
private ContainerLocalizer setupContainerLocalizerForTest()
throws Exception {
spylfs = spy(FileContext.getLocalFSFileContext().getDefaultFileSystem());
// don't actually create dirs
doNothing().when(spylfs).mkdir(
isA(Path.class), isA(FsPermission.class), anyBoolean());
@ -245,10 +266,10 @@ public class TestContainerLocalizer {
containerId)));
doReturn(new FSDataInputStream(new FakeFSDataInputStream(appTokens))
).when(spylfs).open(tokenPath);
nmProxy = mock(LocalizationProtocol.class);
doReturn(nmProxy).when(localizer).getProxy(nmAddr);
doNothing().when(localizer).sleep(anyInt());
// return result instantly for deterministic test
ExecutorService syncExec = mock(ExecutorService.class);