/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.nodemanager.containermanager;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import junit.framework.Assert;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.UnsupportedFileSystemException;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.service.Service;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesResponse;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainersResponse;
import org.apache.hadoop.yarn.api.protocolrecords.StopContainersRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StopContainersResponse;
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.api.records.ContainerState;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.LocalResource;
import org.apache.hadoop.yarn.api.records.LocalResourceType;
import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.SerializedException;
import org.apache.hadoop.yarn.api.records.Token;
import org.apache.hadoop.yarn.api.records.URL;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.InvalidContainerException;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
import org.apache.hadoop.yarn.security.NMTokenIdentifier;
import org.apache.hadoop.yarn.server.api.ResourceManagerConstants;
import org.apache.hadoop.yarn.server.nodemanager.CMgrCompletedAppsEvent;
import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
import org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor;
import org.apache.hadoop.yarn.server.nodemanager.DeletionService;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices.ServiceA;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationState;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService;
import org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager;
import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.junit.Before;
import org.junit.Test;
public class TestContainerManager extends BaseContainerManagerTest {
public TestContainerManager() throws UnsupportedFileSystemException {
super();
}
static {
LOG = LogFactory.getLog(TestContainerManager.class);
}
@Override
@Before
public void setup() throws IOException {
super.setup();
}
private ContainerId createContainerId(int id) {
ApplicationId appId = ApplicationId.newInstance(0, 0);
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
ContainerId containerId = ContainerId.newInstance(appAttemptId, id);
return containerId;
}
@Override
protected ContainerManagerImpl
createContainerManager(DeletionService delSrvc) {
return new ContainerManagerImpl(context, exec, delSrvc, nodeStatusUpdater,
metrics, new ApplicationACLsManager(conf), dirsHandler) {
@Override
public void
setBlockNewContainerRequests(boolean blockNewContainerRequests) {
// do nothing
}
@Override
protected UserGroupInformation getRemoteUgi() throws YarnException {
ApplicationId appId = ApplicationId.newInstance(0, 0);
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
UserGroupInformation ugi =
UserGroupInformation.createRemoteUser(appAttemptId.toString());
ugi.addTokenIdentifier(new NMTokenIdentifier(appAttemptId, context
.getNodeId(), user, context.getNMTokenSecretManager().getCurrentKey()
.getKeyId()));
return ugi;
}
@Override
protected void authorizeGetAndStopContainerRequest(ContainerId containerId,
Container container, boolean stopRequest, NMTokenIdentifier identifier) throws YarnException {
if(container == null || container.getUser().equals("Fail")){
throw new YarnException("Reject this container");
}
}
};
}
@Test
public void testContainerManagerInitialization() throws IOException {
containerManager.start();
InetAddress localAddr = InetAddress.getLocalHost();
String fqdn = localAddr.getCanonicalHostName();
if (!localAddr.getHostAddress().equals(fqdn)) {
// only check if fqdn is not same as ip
// api returns ip in case of resolution failure
Assert.assertEquals(fqdn, context.getNodeId().getHost());
}
// Just do a query for a non-existing container.
boolean throwsException = false;
try {
List<ContainerId> containerIds = new ArrayList<ContainerId>();
ContainerId id =createContainerId(0);
containerIds.add(id);
GetContainerStatusesRequest request =
GetContainerStatusesRequest.newInstance(containerIds);
GetContainerStatusesResponse response =
containerManager.getContainerStatuses(request);
if(response.getFailedRequests().containsKey(id)){
throw response.getFailedRequests().get(id).deSerialize();
}
} catch (Throwable e) {
throwsException = true;
}
Assert.assertTrue(throwsException);
}
@Test
public void testContainerSetup() throws Exception {
containerManager.start();
// ////// Create the resources for the container
File dir = new File(tmpDir, "dir");
dir.mkdirs();
File file = new File(dir, "file");
PrintWriter fileWriter = new PrintWriter(file);
fileWriter.write("Hello World!");
fileWriter.close();
// ////// Construct the Container-id
ContainerId cId = createContainerId(0);
// ////// Construct the container-spec.
ContainerLaunchContext containerLaunchContext =
recordFactory.newRecordInstance(ContainerLaunchContext.class);
URL resource_alpha =
ConverterUtils.getYarnUrlFromPath(localFS
.makeQualified(new Path(file.getAbsolutePath())));
LocalResource rsrc_alpha = recordFactory.newRecordInstance(LocalResource.class);
rsrc_alpha.setResource(resource_alpha);
rsrc_alpha.setSize(-1);
rsrc_alpha.setVisibility(LocalResourceVisibility.APPLICATION);
rsrc_alpha.setType(LocalResourceType.FILE);
rsrc_alpha.setTimestamp(file.lastModified());
String destinationFile = "dest_file";
Map<String, LocalResource> localResources =
new HashMap<String, LocalResource>();
localResources.put(destinationFile, rsrc_alpha);
containerLaunchContext.setLocalResources(localResources);
StartContainerRequest scRequest =
StartContainerRequest.newInstance(
containerLaunchContext,
createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
user, context.getContainerTokenSecretManager()));
List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
list.add(scRequest);
StartContainersRequest allRequests =
StartContainersRequest.newInstance(list);
containerManager.startContainers(allRequests);
BaseContainerManagerTest.waitForContainerState(containerManager, cId,
ContainerState.COMPLETE);
// Now ascertain that the resources are localised correctly.
ApplicationId appId = cId.getApplicationAttemptId().getApplicationId();
String appIDStr = ConverterUtils.toString(appId);
String containerIDStr = ConverterUtils.toString(cId);
File userCacheDir = new File(localDir, ContainerLocalizer.USERCACHE);
File userDir = new File(userCacheDir, user);
File appCache = new File(userDir, ContainerLocalizer.APPCACHE);
File appDir = new File(appCache, appIDStr);
File containerDir = new File(appDir, containerIDStr);
File targetFile = new File(containerDir, destinationFile);
File sysDir =
new File(localDir,
ResourceLocalizationService.NM_PRIVATE_DIR);
File appSysDir = new File(sysDir, appIDStr);
File containerSysDir = new File(appSysDir, containerIDStr);
for (File f : new File[] { localDir, sysDir, userCacheDir, appDir,
appSysDir,
containerDir, containerSysDir }) {
Assert.assertTrue(f.getAbsolutePath() + " doesn't exist!!", f.exists());
Assert.assertTrue(f.getAbsolutePath() + " is not a directory!!",
f.isDirectory());
}
Assert.assertTrue(targetFile.getAbsolutePath() + " doesn't exist!!",
targetFile.exists());
// Now verify the contents of the file
BufferedReader reader = new BufferedReader(new FileReader(targetFile));
Assert.assertEquals("Hello World!", reader.readLine());
Assert.assertEquals(null, reader.readLine());
}
@Test
public void testContainerLaunchAndStop() throws IOException,
InterruptedException, YarnException {
containerManager.start();
File scriptFile = Shell.appendScriptExtension(tmpDir, "scriptFile");
PrintWriter fileWriter = new PrintWriter(scriptFile);
File processStartFile =
new File(tmpDir, "start_file.txt").getAbsoluteFile();
// ////// Construct the Container-id
ContainerId cId = createContainerId(0);
if (Shell.WINDOWS) {
fileWriter.println("@echo Hello World!> " + processStartFile);
fileWriter.println("@echo " + cId + ">> " + processStartFile);
fileWriter.println("@ping -n 100 127.0.0.1 >nul");
} else {
fileWriter.write("\numask 0"); // So that start file is readable by the test
fileWriter.write("\necho Hello World! > " + processStartFile);
fileWriter.write("\necho $$ >> " + processStartFile);
fileWriter.write("\nexec sleep 100");
}
fileWriter.close();
ContainerLaunchContext containerLaunchContext =
recordFactory.newRecordInstance(ContainerLaunchContext.class);
URL resource_alpha =
ConverterUtils.getYarnUrlFromPath(localFS
.makeQualified(new Path(scriptFile.getAbsolutePath())));
LocalResource rsrc_alpha =
recordFactory.newRecordInstance(LocalResource.class);
rsrc_alpha.setResource(resource_alpha);
rsrc_alpha.setSize(-1);
rsrc_alpha.setVisibility(LocalResourceVisibility.APPLICATION);
rsrc_alpha.setType(LocalResourceType.FILE);
rsrc_alpha.setTimestamp(scriptFile.lastModified());
String destinationFile = "dest_file";
Map<String, LocalResource> localResources =
new HashMap<String, LocalResource>();
localResources.put(destinationFile, rsrc_alpha);
containerLaunchContext.setLocalResources(localResources);
List<String> commands = Arrays.asList(Shell.getRunScriptCommand(scriptFile));
containerLaunchContext.setCommands(commands);
StartContainerRequest scRequest =
StartContainerRequest.newInstance(containerLaunchContext,
createContainerToken(cId,
DUMMY_RM_IDENTIFIER, context.getNodeId(), user,
context.getContainerTokenSecretManager()));
List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
list.add(scRequest);
StartContainersRequest allRequests =
StartContainersRequest.newInstance(list);
containerManager.startContainers(allRequests);
int timeoutSecs = 0;
while (!processStartFile.exists() && timeoutSecs++ < 20) {
Thread.sleep(1000);
LOG.info("Waiting for process start-file to be created");
}
Assert.assertTrue("ProcessStartFile doesn't exist!",
processStartFile.exists());
// Now verify the contents of the file
BufferedReader reader =
new BufferedReader(new FileReader(processStartFile));
Assert.assertEquals("Hello World!", reader.readLine());
// Get the pid of the process
String pid = reader.readLine().trim();
// No more lines
Assert.assertEquals(null, reader.readLine());
// Now test the stop functionality.
// Assert that the process is alive
Assert.assertTrue("Process is not alive!",
DefaultContainerExecutor.containerIsAlive(pid));
// Once more
Assert.assertTrue("Process is not alive!",
DefaultContainerExecutor.containerIsAlive(pid));
List<ContainerId> containerIds = new ArrayList<ContainerId>();
containerIds.add(cId);
StopContainersRequest stopRequest =
StopContainersRequest.newInstance(containerIds);
containerManager.stopContainers(stopRequest);
BaseContainerManagerTest.waitForContainerState(containerManager, cId,
ContainerState.COMPLETE);
GetContainerStatusesRequest gcsRequest =
GetContainerStatusesRequest.newInstance(containerIds);
ContainerStatus containerStatus =
containerManager.getContainerStatuses(gcsRequest).getContainerStatuses().get(0);
int expectedExitCode = Shell.WINDOWS ? ExitCode.FORCE_KILLED.getExitCode() :
ExitCode.TERMINATED.getExitCode();
Assert.assertEquals(expectedExitCode, containerStatus.getExitStatus());
// Assert that the process is not alive anymore
Assert.assertFalse("Process is still alive!",
DefaultContainerExecutor.containerIsAlive(pid));
}
private void testContainerLaunchAndExit(int exitCode) throws IOException,
InterruptedException, YarnException {
File scriptFile = Shell.appendScriptExtension(tmpDir, "scriptFile");
PrintWriter fileWriter = new PrintWriter(scriptFile);
File processStartFile =
new File(tmpDir, "start_file.txt").getAbsoluteFile();
// ////// Construct the Container-id
ContainerId cId = createContainerId(0);
if (Shell.WINDOWS) {
fileWriter.println("@echo Hello World!> " + processStartFile);
fileWriter.println("@echo " + cId + ">> " + processStartFile);
if (exitCode != 0) {
fileWriter.println("@exit " + exitCode);
}
} else {
fileWriter.write("\numask 0"); // So that start file is readable by the test
fileWriter.write("\necho Hello World! > " + processStartFile);
fileWriter.write("\necho $$ >> " + processStartFile);
// Have script throw an exit code at the end
if (exitCode != 0) {
fileWriter.write("\nexit "+exitCode);
}
}
fileWriter.close();
ContainerLaunchContext containerLaunchContext =
recordFactory.newRecordInstance(ContainerLaunchContext.class);
URL resource_alpha =
ConverterUtils.getYarnUrlFromPath(localFS
.makeQualified(new Path(scriptFile.getAbsolutePath())));
LocalResource rsrc_alpha =
recordFactory.newRecordInstance(LocalResource.class);
rsrc_alpha.setResource(resource_alpha);
rsrc_alpha.setSize(-1);
rsrc_alpha.setVisibility(LocalResourceVisibility.APPLICATION);
rsrc_alpha.setType(LocalResourceType.FILE);
rsrc_alpha.setTimestamp(scriptFile.lastModified());
String destinationFile = "dest_file";
Map<String, LocalResource> localResources =
new HashMap<String, LocalResource>();
localResources.put(destinationFile, rsrc_alpha);
containerLaunchContext.setLocalResources(localResources);
List<String> commands = Arrays.asList(Shell.getRunScriptCommand(scriptFile));
containerLaunchContext.setCommands(commands);
StartContainerRequest scRequest =
StartContainerRequest.newInstance(
containerLaunchContext,
createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
user, context.getContainerTokenSecretManager()));
List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
list.add(scRequest);
StartContainersRequest allRequests =
StartContainersRequest.newInstance(list);
containerManager.startContainers(allRequests);
BaseContainerManagerTest.waitForContainerState(containerManager, cId,
ContainerState.COMPLETE);
List<ContainerId> containerIds = new ArrayList<ContainerId>();
containerIds.add(cId);
GetContainerStatusesRequest gcsRequest =
GetContainerStatusesRequest.newInstance(containerIds);
ContainerStatus containerStatus =
containerManager.getContainerStatuses(gcsRequest).getContainerStatuses().get(0);
// Verify exit status matches exit state of script
Assert.assertEquals(exitCode,
containerStatus.getExitStatus());
}
@Test
public void testContainerLaunchAndExitSuccess() throws IOException,
InterruptedException, YarnException {
containerManager.start();
int exitCode = 0;
// launch context for a command that will return exit code 0
// and verify exit code returned
testContainerLaunchAndExit(exitCode);
}
@Test
public void testContainerLaunchAndExitFailure() throws IOException,
InterruptedException, YarnException {
containerManager.start();
int exitCode = 50;
// launch context for a command that will return exit code 0
// and verify exit code returned
testContainerLaunchAndExit(exitCode);
}
@Test
public void testLocalFilesCleanup() throws InterruptedException,
IOException, YarnException {
// Real del service
delSrvc = new DeletionService(exec);
delSrvc.init(conf);
containerManager = createContainerManager(delSrvc);
containerManager.init(conf);
containerManager.start();
// ////// Create the resources for the container
File dir = new File(tmpDir, "dir");
dir.mkdirs();
File file = new File(dir, "file");
PrintWriter fileWriter = new PrintWriter(file);
fileWriter.write("Hello World!");
fileWriter.close();
// ////// Construct the Container-id
ContainerId cId = createContainerId(0);
ApplicationId appId = cId.getApplicationAttemptId().getApplicationId();
// ////// Construct the container-spec.
ContainerLaunchContext containerLaunchContext = recordFactory.newRecordInstance(ContainerLaunchContext.class);
// containerLaunchContext.resources =
// new HashMap<CharSequence, LocalResource>();
URL resource_alpha =
ConverterUtils.getYarnUrlFromPath(FileContext.getLocalFSFileContext()
.makeQualified(new Path(file.getAbsolutePath())));
LocalResource rsrc_alpha = recordFactory.newRecordInstance(LocalResource.class);
rsrc_alpha.setResource(resource_alpha);
rsrc_alpha.setSize(-1);
rsrc_alpha.setVisibility(LocalResourceVisibility.APPLICATION);
rsrc_alpha.setType(LocalResourceType.FILE);
rsrc_alpha.setTimestamp(file.lastModified());
String destinationFile = "dest_file";
Map<String, LocalResource> localResources =
new HashMap<String, LocalResource>();
localResources.put(destinationFile, rsrc_alpha);
containerLaunchContext.setLocalResources(localResources);
StartContainerRequest scRequest =
StartContainerRequest.newInstance(
containerLaunchContext,
createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
user, context.getContainerTokenSecretManager()));
List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
list.add(scRequest);
StartContainersRequest allRequests =
StartContainersRequest.newInstance(list);
containerManager.startContainers(allRequests);
BaseContainerManagerTest.waitForContainerState(containerManager, cId,
ContainerState.COMPLETE);
BaseContainerManagerTest.waitForApplicationState(containerManager,
cId.getApplicationAttemptId().getApplicationId(),
ApplicationState.RUNNING);
// Now ascertain that the resources are localised correctly.
String appIDStr = ConverterUtils.toString(appId);
String containerIDStr = ConverterUtils.toString(cId);
File userCacheDir = new File(localDir, ContainerLocalizer.USERCACHE);
File userDir = new File(userCacheDir, user);
File appCache = new File(userDir, ContainerLocalizer.APPCACHE);
File appDir = new File(appCache, appIDStr);
File containerDir = new File(appDir, containerIDStr);
File targetFile = new File(containerDir, destinationFile);
File sysDir =
new File(localDir,
ResourceLocalizationService.NM_PRIVATE_DIR);
File appSysDir = new File(sysDir, appIDStr);
File containerSysDir = new File(appSysDir, containerIDStr);
// AppDir should still exist
Assert.assertTrue("AppDir " + appDir.getAbsolutePath()
+ " doesn't exist!!", appDir.exists());
Assert.assertTrue("AppSysDir " + appSysDir.getAbsolutePath()
+ " doesn't exist!!", appSysDir.exists());
for (File f : new File[] { containerDir, containerSysDir }) {
Assert.assertFalse(f.getAbsolutePath() + " exists!!", f.exists());
}
Assert.assertFalse(targetFile.getAbsolutePath() + " exists!!",
targetFile.exists());
// Simulate RM sending an AppFinish event.
containerManager.handle(new CMgrCompletedAppsEvent(Arrays
.asList(new ApplicationId[] { appId }), CMgrCompletedAppsEvent.Reason.ON_SHUTDOWN));
BaseContainerManagerTest.waitForApplicationState(containerManager,
cId.getApplicationAttemptId().getApplicationId(),
ApplicationState.FINISHED);
// Now ascertain that the resources are localised correctly.
for (File f : new File[] { appDir, containerDir, appSysDir,
containerSysDir }) {
// Wait for deletion. Deletion can happen long after AppFinish because of
// the async DeletionService
int timeout = 0;
while (f.exists() && timeout++ < 15) {
Thread.sleep(1000);
}
Assert.assertFalse(f.getAbsolutePath() + " exists!!", f.exists());
}
// Wait for deletion
int timeout = 0;
while (targetFile.exists() && timeout++ < 15) {
Thread.sleep(1000);
}
Assert.assertFalse(targetFile.getAbsolutePath() + " exists!!",
targetFile.exists());
}
@Test
public void testContainerLaunchFromPreviousRM() throws IOException,
InterruptedException, YarnException {
containerManager.start();
ContainerLaunchContext containerLaunchContext =
recordFactory.newRecordInstance(ContainerLaunchContext.class);
ContainerId cId1 = createContainerId(0);
ContainerId cId2 = createContainerId(0);
containerLaunchContext
.setLocalResources(new HashMap<String, LocalResource>());
// Construct the Container with Invalid RMIdentifier
StartContainerRequest startRequest1 =
StartContainerRequest.newInstance(containerLaunchContext,
createContainerToken(cId1,
ResourceManagerConstants.RM_INVALID_IDENTIFIER, context.getNodeId(),
user, context.getContainerTokenSecretManager()));
List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
list.add(startRequest1);
StartContainersRequest allRequests =
StartContainersRequest.newInstance(list);
containerManager.startContainers(allRequests);
boolean catchException = false;
try {
StartContainersResponse response = containerManager.startContainers(allRequests);
if(response.getFailedRequests().containsKey(cId1)) {
throw response.getFailedRequests().get(cId1).deSerialize();
}
} catch (Throwable e) {
e.printStackTrace();
catchException = true;
Assert.assertTrue(e.getMessage().contains(
"Container " + cId1 + " rejected as it is allocated by a previous RM"));
Assert.assertTrue(e.getClass().getName()
.equalsIgnoreCase(InvalidContainerException.class.getName()));
}
// Verify that startContainer fail because of invalid container request
Assert.assertTrue(catchException);
// Construct the Container with a RMIdentifier within current RM
StartContainerRequest startRequest2 =
StartContainerRequest.newInstance(containerLaunchContext,
createContainerToken(cId2,
DUMMY_RM_IDENTIFIER, context.getNodeId(), user,
context.getContainerTokenSecretManager()));
List<StartContainerRequest> list2 = new ArrayList<StartContainerRequest>();
list.add(startRequest2);
StartContainersRequest allRequests2 =
StartContainersRequest.newInstance(list2);
containerManager.startContainers(allRequests2);
boolean noException = true;
try {
containerManager.startContainers(allRequests2);
} catch (YarnException e) {
noException = false;
}
// Verify that startContainer get no YarnException
Assert.assertTrue(noException);
}
@Test
public void testMultipleContainersLaunch() throws Exception {
containerManager.start();
List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
ContainerLaunchContext containerLaunchContext =
recordFactory.newRecordInstance(ContainerLaunchContext.class);
for (int i = 0; i < 10; i++) {
ContainerId cId = createContainerId(i);
long identifier = 0;
if ((i & 1) == 0)
// container with even id fail
identifier = ResourceManagerConstants.RM_INVALID_IDENTIFIER;
else
identifier = DUMMY_RM_IDENTIFIER;
Token containerToken =
createContainerToken(cId, identifier, context.getNodeId(), user,
context.getContainerTokenSecretManager());
StartContainerRequest request =
StartContainerRequest.newInstance(containerLaunchContext,
containerToken);
list.add(request);
}
StartContainersRequest requestList =
StartContainersRequest.newInstance(list);
StartContainersResponse response =
containerManager.startContainers(requestList);
Assert.assertEquals(5, response.getSuccessfullyStartedContainers().size());
for (ContainerId id : response.getSuccessfullyStartedContainers()) {
// Containers with odd id should succeed.
Assert.assertEquals(1, id.getId() & 1);
}
Assert.assertEquals(5, response.getFailedRequests().size());
for (Map.Entry<ContainerId, SerializedException> entry : response
.getFailedRequests().entrySet()) {
// Containers with even id should fail.
Assert.assertEquals(0, entry.getKey().getId() & 1);
Assert.assertTrue(entry.getValue().getMessage()
.contains(
"Container " + entry.getKey() + " rejected as it is allocated by a previous RM"));
}
}
@Test
public void testMultipleContainersStopAndGetStatus() throws Exception {
containerManager.start();
List<StartContainerRequest> startRequest =
new ArrayList<StartContainerRequest>();
ContainerLaunchContext containerLaunchContext =
recordFactory.newRecordInstance(ContainerLaunchContext.class);
List<ContainerId> containerIds = new ArrayList<ContainerId>();
for (int i = 0; i < 10; i++) {
ContainerId cId = createContainerId(i);
String user = null;
if ((i & 1) == 0) {
// container with even id fail
user = "Fail";
} else {
user = "Pass";
}
Token containerToken =
createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
user, context.getContainerTokenSecretManager());
StartContainerRequest request =
StartContainerRequest.newInstance(containerLaunchContext,
containerToken);
startRequest.add(request);
containerIds.add(cId);
}
// start containers
StartContainersRequest requestList =
StartContainersRequest.newInstance(startRequest);
containerManager.startContainers(requestList);
// Get container statuses
GetContainerStatusesRequest statusRequest =
GetContainerStatusesRequest.newInstance(containerIds);
GetContainerStatusesResponse statusResponse =
containerManager.getContainerStatuses(statusRequest);
Assert.assertEquals(5, statusResponse.getContainerStatuses().size());
for (ContainerStatus status : statusResponse.getContainerStatuses()) {
// Containers with odd id should succeed
Assert.assertEquals(1, status.getContainerId().getId() & 1);
}
Assert.assertEquals(5, statusResponse.getFailedRequests().size());
for (Map.Entry<ContainerId, SerializedException> entry : statusResponse
.getFailedRequests().entrySet()) {
// Containers with even id should fail.
Assert.assertEquals(0, entry.getKey().getId() & 1);
Assert.assertTrue(entry.getValue().getMessage()
.contains("Reject this container"));
}
// stop containers
StopContainersRequest stopRequest =
StopContainersRequest.newInstance(containerIds);
StopContainersResponse stopResponse =
containerManager.stopContainers(stopRequest);
Assert.assertEquals(5, stopResponse.getSuccessfullyStoppedContainers()
.size());
for (ContainerId id : stopResponse.getSuccessfullyStoppedContainers()) {
// Containers with odd id should succeed.
Assert.assertEquals(1, id.getId() & 1);
}
Assert.assertEquals(5, stopResponse.getFailedRequests().size());
for (Map.Entry<ContainerId, SerializedException> entry : stopResponse
.getFailedRequests().entrySet()) {
// Containers with even id should fail.
Assert.assertEquals(0, entry.getKey().getId() & 1);
Assert.assertTrue(entry.getValue().getMessage()
.contains("Reject this container"));
}
}
@Test
public void testStartContainerFailureWithUnknownAuxService() throws Exception {
conf.setStrings(YarnConfiguration.NM_AUX_SERVICES,
new String[] { "existService" });
conf.setClass(
String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, "existService"),
ServiceA.class, Service.class);
containerManager.start();
List<StartContainerRequest> startRequest =
new ArrayList<StartContainerRequest>();
ContainerLaunchContext containerLaunchContext =
recordFactory.newRecordInstance(ContainerLaunchContext.class);
Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>();
String serviceName = "non_exist_auxService";
serviceData.put(serviceName, ByteBuffer.wrap(serviceName.getBytes()));
containerLaunchContext.setServiceData(serviceData);
ContainerId cId = createContainerId(0);
String user = "start_container_fail";
Token containerToken =
createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
user, context.getContainerTokenSecretManager());
StartContainerRequest request =
StartContainerRequest.newInstance(containerLaunchContext,
containerToken);
// start containers
startRequest.add(request);
StartContainersRequest requestList =
StartContainersRequest.newInstance(startRequest);
StartContainersResponse response =
containerManager.startContainers(requestList);
Assert.assertTrue(response.getFailedRequests().size() == 1);
Assert.assertTrue(response.getSuccessfullyStartedContainers().size() == 0);
Assert.assertTrue(response.getFailedRequests().containsKey(cId));
Assert.assertTrue(response.getFailedRequests().get(cId).getMessage()
.contains("The auxService:" + serviceName + " does not exist"));
}
public static Token createContainerToken(ContainerId cId, long rmIdentifier,
NodeId nodeId, String user,
NMContainerTokenSecretManager containerTokenSecretManager)
throws IOException {
Resource r = BuilderUtils.newResource(1024, 1);
ContainerTokenIdentifier containerTokenIdentifier =
new ContainerTokenIdentifier(cId, nodeId.toString(), user, r,
System.currentTimeMillis() + 100000L, 123, rmIdentifier);
Token containerToken =
BuilderUtils
.newContainerToken(nodeId, containerTokenSecretManager
.retrievePassword(containerTokenIdentifier),
containerTokenIdentifier);
return containerToken;
}
}