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YARN-2013. The diagnostics is always the ExitCodeException stack when the container crashes. (Contributed by Tsuyoshi OZAWA)

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612449 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Junping Du 2014-07-22 03:01:58 +00:00
parent 266a4ff6a5
commit 537c361f5b
5 changed files with 185 additions and 19 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -56,6 +56,9 @@ Release 2.6.0 - UNRELEASED
YARN-2045. Data persisted in NM should be versioned (Junping Du via jlowe)
YARN-2013. The diagnostics is always the ExitCodeException stack when the container
crashes. (Tsuyoshi OZAWA via junping_du)
OPTIMIZATIONS
BUG FIXES

20
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DefaultContainerExecutor.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.yarn.server.nodemanager;
import com.google.common.base.Optional;
import static org.apache.hadoop.fs.CreateFlag.CREATE;
import static org.apache.hadoop.fs.CreateFlag.OVERWRITE;
@ -212,10 +213,21 @@ public int launchContainer(Container container,
&& exitCode != ExitCode.TERMINATED.getExitCode()) {
LOG.warn("Exception from container-launch with container ID: "
+ containerId + " and exit code: " + exitCode , e);
logOutput(shExec.getOutput());
String diagnostics = "Exception from container-launch: "
+ e + "\n"
+ StringUtils.stringifyException(e) + "\n" + shExec.getOutput();
StringBuilder builder = new StringBuilder();
builder.append("Exception from container-launch.\n");
builder.append("Container id: " + containerId + "\n");
builder.append("Exit code: " + exitCode + "\n");
if (!Optional.fromNullable(e.getMessage()).or("").isEmpty()) {
builder.append("Exception message: " + e.getMessage() + "\n");
}
builder.append("Stack trace: "
+ StringUtils.stringifyException(e) + "\n");
if (!shExec.getOutput().isEmpty()) {
builder.append("Shell output: " + shExec.getOutput() + "\n");
}
String diagnostics = builder.toString();
logOutput(diagnostics);
container.handle(new ContainerDiagnosticsUpdateEvent(containerId,
diagnostics));
} else {

19
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.yarn.server.nodemanager;
import com.google.common.base.Optional;
import java.io.File;
import java.io.IOException;
import java.net.InetSocketAddress;
@ -296,9 +297,21 @@ public int launchContainer(Container container,
&& exitCode != ExitCode.TERMINATED.getExitCode()) {
LOG.warn("Exception from container-launch with container ID: "
+ containerId + " and exit code: " + exitCode , e);
logOutput(shExec.getOutput());
String diagnostics = "Exception from container-launch: \n"
+ StringUtils.stringifyException(e) + "\n" + shExec.getOutput();
StringBuilder builder = new StringBuilder();
builder.append("Exception from container-launch.\n");
builder.append("Container id: " + containerId + "\n");
builder.append("Exit code: " + exitCode + "\n");
if (!Optional.fromNullable(e.getMessage()).or("").isEmpty()) {
builder.append("Exception message: " + e.getMessage() + "\n");
}
builder.append("Stack trace: "
+ StringUtils.stringifyException(e) + "\n");
if (!shExec.getOutput().isEmpty()) {
builder.append("Shell output: " + shExec.getOutput() + "\n");
}
String diagnostics = builder.toString();
logOutput(diagnostics);
container.handle(new ContainerDiagnosticsUpdateEvent(containerId,
diagnostics));
} else {

121
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestDefaultContainerExecutor.java
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@ -18,16 +18,37 @@
package org.apache.hadoop.yarn.server.nodemanager;
import static org.apache.hadoop.fs.CreateFlag.CREATE;
import static org.apache.hadoop.fs.CreateFlag.OVERWRITE;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.doAnswer;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.InputStream;
import java.io.IOException;
import java.io.LineNumberReader;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Random;
import org.junit.Assert;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerDiagnosticsUpdateEvent;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.AbstractFileSystem;
@ -45,15 +66,13 @@
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.FakeFSDataInputStream;
import static org.apache.hadoop.fs.CreateFlag.*;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
import org.mockito.ArgumentMatcher;
import org.mockito.Matchers;
import static org.mockito.Mockito.*;
import org.junit.After;
import org.junit.Assert;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class TestDefaultContainerExecutor {
@ -191,6 +210,92 @@ public void testDirPermissions() throws Exception {
}
}
@Test
public void testContainerLaunchError()
throws IOException, InterruptedException {
Path localDir = new Path(BASE_TMP_PATH, "localDir");
List<String> localDirs = new ArrayList<String>();
localDirs.add(localDir.toString());
List<String> logDirs = new ArrayList<String>();
Path logDir = new Path(BASE_TMP_PATH, "logDir");
logDirs.add(logDir.toString());
Configuration conf = new Configuration();
conf.set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, "077");
conf.set(YarnConfiguration.NM_LOCAL_DIRS, localDir.toString());
conf.set(YarnConfiguration.NM_LOG_DIRS, logDir.toString());
FileContext lfs = FileContext.getLocalFSFileContext(conf);
DefaultContainerExecutor mockExec = spy(new DefaultContainerExecutor(lfs));
mockExec.setConf(conf);
doAnswer(
new Answer() {
@Override
public Object answer(InvocationOnMock invocationOnMock)
throws Throwable {
String diagnostics = (String) invocationOnMock.getArguments()[0];
assertTrue("Invalid Diagnostics message: " + diagnostics,
diagnostics.contains("No such file or directory"));
return null;
}
}
).when(mockExec).logOutput(any(String.class));
String appSubmitter = "nobody";
String appId = "APP_ID";
String containerId = "CONTAINER_ID";
Container container = mock(Container.class);
ContainerId cId = mock(ContainerId.class);
ContainerLaunchContext context = mock(ContainerLaunchContext.class);
HashMap<String, String> env = new HashMap<String, String>();
when(container.getContainerId()).thenReturn(cId);
when(container.getLaunchContext()).thenReturn(context);
try {
doAnswer(new Answer() {
@Override
public Object answer(InvocationOnMock invocationOnMock)
throws Throwable {
ContainerDiagnosticsUpdateEvent event =
(ContainerDiagnosticsUpdateEvent) invocationOnMock
.getArguments()[0];
assertTrue("Invalid Diagnostics message: "
+ event.getDiagnosticsUpdate(),
event.getDiagnosticsUpdate().contains("No such file or directory")
);
return null;
}
}).when(container).handle(any(ContainerDiagnosticsUpdateEvent.class));
when(cId.toString()).thenReturn(containerId);
when(cId.getApplicationAttemptId()).thenReturn(
ApplicationAttemptId.newInstance(ApplicationId.newInstance(0, 1), 0));
when(context.getEnvironment()).thenReturn(env);
mockExec.createUserLocalDirs(localDirs, appSubmitter);
mockExec.createUserCacheDirs(localDirs, appSubmitter);
mockExec.createAppDirs(localDirs, appSubmitter, appId);
mockExec.createAppLogDirs(appId, logDirs);
Path scriptPath = new Path("file:///bin/echo");
Path tokensPath = new Path("file:///dev/null");
Path workDir = localDir;
Path pidFile = new Path(workDir, "pid.txt");
mockExec.init();
mockExec.activateContainer(cId, pidFile);
int ret = mockExec
.launchContainer(container, scriptPath, tokensPath, appSubmitter,
appId, workDir, localDirs, localDirs);
Assert.assertNotSame(0, ret);
} finally {
mockExec.deleteAsUser(appSubmitter, localDir);
mockExec.deleteAsUser(appSubmitter, logDir);
}
}
// @Test
// public void testInit() throws IOException, InterruptedException {
// Configuration conf = new Configuration();

41
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java
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@ -19,8 +19,12 @@
package org.apache.hadoop.yarn.server.nodemanager;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
import java.io.File;
@ -34,8 +38,6 @@
import java.util.LinkedList;
import java.util.List;
import org.junit.Assert;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
@ -46,9 +48,13 @@
import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerDiagnosticsUpdateEvent;
import org.junit.Assert;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class TestLinuxContainerExecutorWithMocks {
@ -216,7 +222,19 @@ public void testContainerLaunchError() throws IOException {
conf.set(YarnConfiguration.NM_LOCAL_DIRS, "file:///bin/echo");
conf.set(YarnConfiguration.NM_LOG_DIRS, "file:///dev/null");
mockExec = new LinuxContainerExecutor();
mockExec = spy(new LinuxContainerExecutor());
doAnswer(
new Answer() {
@Override
public Object answer(InvocationOnMock invocationOnMock)
throws Throwable {
String diagnostics = (String) invocationOnMock.getArguments()[0];
assertTrue("Invalid Diagnostics message: " + diagnostics,
diagnostics.contains("badcommand"));
return null;
}
}
).when(mockExec).logOutput(any(String.class));
dirsHandler = new LocalDirsHandlerService();
dirsHandler.init(conf);
mockExec.setConf(conf);
@ -233,7 +251,22 @@ public void testContainerLaunchError() throws IOException {
when(container.getContainerId()).thenReturn(cId);
when(container.getLaunchContext()).thenReturn(context);
doAnswer(
new Answer() {
@Override
public Object answer(InvocationOnMock invocationOnMock)
throws Throwable {
ContainerDiagnosticsUpdateEvent event =
(ContainerDiagnosticsUpdateEvent) invocationOnMock
.getArguments()[0];
assertTrue("Invalid Diagnostics message: " +
event.getDiagnosticsUpdate(),
event.getDiagnosticsUpdate().contains("badcommand"));
return null;
}
}
).when(container).handle(any(ContainerDiagnosticsUpdateEvent.class));
when(cId.toString()).thenReturn(containerId);
when(context.getEnvironment()).thenReturn(env);