private ApplicationId submitAppAndGetAppId(String submitter, String queueName, boolean setupACLs)
throws Exception {
GetNewApplicationRequest newAppRequest = GetNewApplicationRequest.newInstance();
ApplicationClientProtocol submitterClient = getRMClientForUser(submitter);
ApplicationId applicationId =
submitterClient.getNewApplication(newAppRequest).getApplicationId();
Resource resource = BuilderUtils.newResource(1024, 1);
Map<ApplicationAccessType, String> acls = createACLs(submitter, setupACLs);
ContainerLaunchContext amContainerSpec =
ContainerLaunchContext.newInstance(null, null, null, null, null, acls);
ApplicationSubmissionContext appSubmissionContext =
ApplicationSubmissionContext.newInstance(
applicationId,
"applicationName",
queueName,
null,
amContainerSpec,
false,
true,
1,
resource,
"applicationType");
appSubmissionContext.setApplicationId(applicationId);
appSubmissionContext.setQueue(queueName);
SubmitApplicationRequest submitRequest =
SubmitApplicationRequest.newInstance(appSubmissionContext);
submitterClient.submitApplication(submitRequest);
resourceManager.waitForState(applicationId, RMAppState.ACCEPTED);
return applicationId;
}
/**
* Start a Tez Session
*
* @throws TezException
* @throws IOException
*/
public synchronized void start() throws TezException, IOException {
yarnClient = YarnClient.createYarnClient();
yarnClient.init(sessionConfig.getYarnConfiguration());
yarnClient.start();
tezJarResources =
TezClientUtils.setupTezJarsLocalResources(sessionConfig.getTezConfiguration());
try {
if (applicationId == null) {
applicationId =
yarnClient.createApplication().getNewApplicationResponse().getApplicationId();
}
ApplicationSubmissionContext appContext =
TezClientUtils.createApplicationSubmissionContext(
sessionConfig.getTezConfiguration(),
applicationId,
null,
sessionName,
sessionConfig.getAMConfiguration(),
tezJarResources);
// Set Tez Sessions to not retry on AM crashes
appContext.setMaxAppAttempts(1);
tezConfPBLRsrc =
appContext
.getAMContainerSpec()
.getLocalResources()
.get(TezConfiguration.TEZ_PB_BINARY_CONF_NAME);
yarnClient.submitApplication(appContext);
} catch (YarnException e) {
throw new TezException(e);
}
sessionStarted = true;
}
private void validateResourceRequest(ApplicationSubmissionContext submissionContext)
throws InvalidResourceRequestException {
// Validation of the ApplicationSubmissionContext needs to be completed
// here. Only those fields that are dependent on RM's configuration are
// checked here as they have to be validated whether they are part of new
// submission or just being recovered.
// Check whether AM resource requirements are within required limits
if (!submissionContext.getUnmanagedAM()) {
ResourceRequest amReq =
BuilderUtils.newResourceRequest(
RMAppAttemptImpl.AM_CONTAINER_PRIORITY,
ResourceRequest.ANY,
submissionContext.getResource(),
1);
try {
SchedulerUtils.validateResourceRequest(amReq, scheduler.getMaximumResourceCapability());
} catch (InvalidResourceRequestException e) {
LOG.warn(
"RM app submission failed in validating AM resource request"
+ " for application "
+ submissionContext.getApplicationId(),
e);
throw e;
}
}
}
@Override
public YarnClientApplication createApplication() throws YarnException, IOException {
ApplicationSubmissionContext context = Records.newRecord(ApplicationSubmissionContext.class);
GetNewApplicationResponse newApp = getNewApplication();
ApplicationId appId = newApp.getApplicationId();
context.setApplicationId(appId);
return new YarnClientApplication(newApp, context);
}
private RMAppImpl createAndPopulateNewRMApp(
ApplicationSubmissionContext submissionContext,
long submitTime,
String user,
boolean isRecovery)
throws YarnException {
ApplicationId applicationId = submissionContext.getApplicationId();
ResourceRequest amReq = validateAndCreateResourceRequest(submissionContext, isRecovery);
// Verify and get the update application priority and set back to
// submissionContext
Priority appPriority =
rmContext
.getScheduler()
.checkAndGetApplicationPriority(
submissionContext.getPriority(), user, submissionContext.getQueue(), applicationId);
submissionContext.setPriority(appPriority);
// Create RMApp
RMAppImpl application =
new RMAppImpl(
applicationId,
rmContext,
this.conf,
submissionContext.getApplicationName(),
user,
submissionContext.getQueue(),
submissionContext,
this.scheduler,
this.masterService,
submitTime,
submissionContext.getApplicationType(),
submissionContext.getApplicationTags(),
amReq);
// Concurrent app submissions with same applicationId will fail here
// Concurrent app submissions with different applicationIds will not
// influence each other
if (rmContext.getRMApps().putIfAbsent(applicationId, application) != null) {
String message =
"Application with id " + applicationId + " is already present! Cannot add a duplicate!";
LOG.warn(message);
throw new YarnException(message);
}
// Inform the ACLs Manager
this.applicationACLsManager.addApplication(
applicationId, submissionContext.getAMContainerSpec().getApplicationACLs());
String appViewACLs =
submissionContext
.getAMContainerSpec()
.getApplicationACLs()
.get(ApplicationAccessType.VIEW_APP);
rmContext
.getSystemMetricsPublisher()
.appACLsUpdated(application, appViewACLs, System.currentTimeMillis());
return application;
}
protected void recoverApplication(ApplicationStateData appState, RMState rmState)
throws Exception {
ApplicationSubmissionContext appContext = appState.getApplicationSubmissionContext();
ApplicationId appId = appContext.getApplicationId();
// create and recover app.
RMAppImpl application =
createAndPopulateNewRMApp(appContext, appState.getSubmitTime(), appState.getUser(), true);
application.handle(new RMAppRecoverEvent(appId, rmState));
}
@SuppressWarnings("deprecation")
@Test(timeout = 30000)
public void testSubmitApplication() {
Configuration conf = new Configuration();
conf.setLong(
YarnConfiguration.YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS, 100); // speed up tests
final YarnClient client = new MockYarnClient();
client.init(conf);
client.start();
YarnApplicationState[] exitStates =
new YarnApplicationState[] {
YarnApplicationState.SUBMITTED,
YarnApplicationState.ACCEPTED,
YarnApplicationState.RUNNING,
YarnApplicationState.FINISHED,
YarnApplicationState.FAILED,
YarnApplicationState.KILLED
};
// Submit an application without ApplicationId provided
// Should get ApplicationIdNotProvidedException
ApplicationSubmissionContext contextWithoutApplicationId =
mock(ApplicationSubmissionContext.class);
try {
client.submitApplication(contextWithoutApplicationId);
Assert.fail("Should throw the ApplicationIdNotProvidedException");
} catch (YarnException e) {
Assert.assertTrue(e instanceof ApplicationIdNotProvidedException);
Assert.assertTrue(
e.getMessage().contains("ApplicationId is not provided in ApplicationSubmissionContext"));
} catch (IOException e) {
Assert.fail("IOException is not expected.");
}
// Submit the application with applicationId provided
// Should be successful
for (int i = 0; i < exitStates.length; ++i) {
ApplicationSubmissionContext context = mock(ApplicationSubmissionContext.class);
ApplicationId applicationId = ApplicationId.newInstance(System.currentTimeMillis(), i);
when(context.getApplicationId()).thenReturn(applicationId);
((MockYarnClient) client).setYarnApplicationState(exitStates[i]);
try {
client.submitApplication(context);
} catch (YarnException e) {
Assert.fail("Exception is not expected.");
} catch (IOException e) {
Assert.fail("Exception is not expected.");
}
verify(((MockYarnClient) client).mockReport, times(4 * i + 4)).getYarnApplicationState();
}
client.stop();
}
private ApplicationId createApp(YarnClient rmClient, boolean unmanaged) throws Exception {
YarnClientApplication newApp = rmClient.createApplication();
ApplicationId appId = newApp.getNewApplicationResponse().getApplicationId();
// Create launch context for app master
ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class);
// set the application id
appContext.setApplicationId(appId);
// set the application name
appContext.setApplicationName("test");
// Set the priority for the application master
Priority pri = Records.newRecord(Priority.class);
pri.setPriority(1);
appContext.setPriority(pri);
// Set the queue to which this application is to be submitted in the RM
appContext.setQueue("default");
// Set up the container launch context for the application master
ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class);
appContext.setAMContainerSpec(amContainer);
appContext.setResource(Resource.newInstance(1024, 1));
appContext.setUnmanagedAM(unmanaged);
// Submit the application to the applications manager
rmClient.submitApplication(appContext);
return appId;
}
@Test(timeout = 20000)
public void testAppSubmissionWithInvalidDelegationToken() throws Exception {
Configuration conf = new Configuration();
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
UserGroupInformation.setConfiguration(conf);
MockRM rm = new MockRM(conf);
ByteBuffer tokens = ByteBuffer.wrap("BOGUS".getBytes());
ContainerLaunchContext amContainer =
ContainerLaunchContext.newInstance(
new HashMap<String, LocalResource>(),
new HashMap<String, String>(),
new ArrayList<String>(),
new HashMap<String, ByteBuffer>(),
tokens,
new HashMap<ApplicationAccessType, String>());
ApplicationSubmissionContext appSubContext =
ApplicationSubmissionContext.newInstance(
ApplicationId.newInstance(1234121, 0),
"BOGUS",
"default",
Priority.UNDEFINED,
amContainer,
false,
true,
1,
Resource.newInstance(1024, 1),
"BOGUS");
SubmitApplicationRequest request = SubmitApplicationRequest.newInstance(appSubContext);
try {
rm.getClientRMService().submitApplication(request);
fail("Error was excepted.");
} catch (YarnException e) {
Assert.assertTrue(e.getMessage().contains("Bad header found in token storage"));
}
}
public void submitApplication(
ApplicationId appId,
String appName,
Map<String, String> env,
Map<String, LocalResource> localResources,
List<String> commands,
int memory)
throws URISyntaxException, IOException {
if (clientResourceManager == null)
throw new IllegalStateException(
"Cannot submit an application without connecting to resource manager!");
ApplicationSubmissionContext appCtx = Records.newRecord(ApplicationSubmissionContext.class);
appCtx.setApplicationId(appId);
appCtx.setApplicationName(appName);
appCtx.setQueue("default");
appCtx.setUser(UserGroupInformation.getCurrentUser().getShortUserName());
// System.out.println( "Based on my current user I am: " +
// UserGroupInformation.getCurrentUser().getShortUserName() );
Priority prio = Records.newRecord(Priority.class);
prio.setPriority(0);
appCtx.setPriority(prio);
/*
for (Map.Entry<String, LocalResource> entry : localResources.entrySet())
{
System.out.println("IR:RM: " + entry.getKey() + "/" + entry.getValue().getResource());
}
*/
/*
for (Map.Entry<String, String> entry : env.entrySet())
{
System.out.println("IR:ResourceManager -> Env vars: " + entry.getKey() + "/" + entry.getValue() );
}
*/
// Launch ctx
ContainerLaunchContext containerCtx = Records.newRecord(ContainerLaunchContext.class);
containerCtx.setLocalResources(localResources);
containerCtx.setCommands(commands);
containerCtx.setEnvironment(env);
containerCtx.setUser(UserGroupInformation.getCurrentUser().getShortUserName());
Resource capability = Records.newRecord(Resource.class);
capability.setMemory(memory);
containerCtx.setResource(capability);
appCtx.setAMContainerSpec(containerCtx);
SubmitApplicationRequest submitReq = Records.newRecord(SubmitApplicationRequest.class);
submitReq.setApplicationSubmissionContext(appCtx);
LOG.info("Submitting application to ASM");
clientResourceManager.submitApplication(submitReq);
// Don't return anything, ASM#submit returns an empty response
}
public ApplicationId submitApplication(ApplicationSubmissionContext appContext)
throws IOException {
appContext.setApplicationId(applicationId);
SubmitApplicationRequest request =
recordFactory.newRecordInstance(SubmitApplicationRequest.class);
request.setApplicationSubmissionContext(appContext);
applicationsManager.submitApplication(request);
LOG.info("Submitted application " + applicationId + " to ResourceManager" + " at " + rmAddress);
return applicationId;
}
@SuppressWarnings("unchecked")
protected void submitApplication(
ApplicationSubmissionContext submissionContext, long submitTime, String user)
throws YarnException {
ApplicationId applicationId = submissionContext.getApplicationId();
RMAppImpl application = createAndPopulateNewRMApp(submissionContext, submitTime, user, false);
ApplicationId appId = submissionContext.getApplicationId();
Credentials credentials = null;
try {
credentials = parseCredentials(submissionContext);
if (UserGroupInformation.isSecurityEnabled()) {
this.rmContext
.getDelegationTokenRenewer()
.addApplicationAsync(
appId,
credentials,
submissionContext.getCancelTokensWhenComplete(),
application.getUser());
} else {
// Dispatcher is not yet started at this time, so these START events
// enqueued should be guaranteed to be first processed when dispatcher
// gets started.
this.rmContext
.getDispatcher()
.getEventHandler()
.handle(new RMAppEvent(applicationId, RMAppEventType.START));
}
} catch (Exception e) {
LOG.warn("Unable to parse credentials.", e);
// Sending APP_REJECTED is fine, since we assume that the
// RMApp is in NEW state and thus we haven't yet informed the
// scheduler about the existence of the application
assert application.getState() == RMAppState.NEW;
this.rmContext
.getDispatcher()
.getEventHandler()
.handle(new RMAppRejectedEvent(applicationId, e.getMessage()));
throw RPCUtil.getRemoteException(e);
}
}
private Credentials parseCredentials(ApplicationSubmissionContext application)
throws IOException {
Credentials credentials = new Credentials();
DataInputByteBuffer dibb = new DataInputByteBuffer();
ByteBuffer tokens = application.getAMContainerSpec().getTokens();
if (tokens != null) {
dibb.reset(tokens);
credentials.readTokenStorageStream(dibb);
tokens.rewind();
}
return credentials;
}
private RMAppImpl createAndPopulateNewRMApp(
ApplicationSubmissionContext submissionContext, long submitTime, String user)
throws YarnException {
ApplicationId applicationId = submissionContext.getApplicationId();
validateResourceRequest(submissionContext);
// Create RMApp
RMAppImpl application =
new RMAppImpl(
applicationId,
rmContext,
this.conf,
submissionContext.getApplicationName(),
user,
submissionContext.getQueue(),
submissionContext,
this.scheduler,
this.masterService,
submitTime,
submissionContext.getApplicationType(),
submissionContext.getApplicationTags());
// Concurrent app submissions with same applicationId will fail here
// Concurrent app submissions with different applicationIds will not
// influence each other
if (rmContext.getRMApps().putIfAbsent(applicationId, application) != null) {
String message =
"Application with id " + applicationId + " is already present! Cannot add a duplicate!";
LOG.warn(message);
throw RPCUtil.getRemoteException(message);
}
// Inform the ACLs Manager
this.applicationACLsManager.addApplication(
applicationId, submissionContext.getAMContainerSpec().getApplicationACLs());
return application;
}
@SuppressWarnings("unchecked")
protected void recoverApplication(ApplicationState appState, RMState rmState) throws Exception {
ApplicationSubmissionContext appContext = appState.getApplicationSubmissionContext();
ApplicationId appId = appState.getAppId();
// create and recover app.
RMAppImpl application =
createAndPopulateNewRMApp(appContext, appState.getSubmitTime(), appState.getUser());
application.recover(rmState);
if (isApplicationInFinalState(appState.getState())) {
// We are synchronously moving the application into final state so that
// momentarily client will not see this application in NEW state. Also
// for finished applications we will avoid renewing tokens.
application.handle(new RMAppEvent(appId, RMAppEventType.RECOVER));
return;
}
if (UserGroupInformation.isSecurityEnabled()) {
Credentials credentials = null;
try {
credentials = parseCredentials(appContext);
// synchronously renew delegation token on recovery.
rmContext
.getDelegationTokenRenewer()
.addApplicationSync(appId, credentials, appContext.getCancelTokensWhenComplete());
application.handle(new RMAppEvent(appId, RMAppEventType.RECOVER));
} catch (Exception e) {
LOG.warn("Unable to parse and renew delegation tokens.", e);
this.rmContext
.getDispatcher()
.getEventHandler()
.handle(new RMAppRejectedEvent(appId, e.getMessage()));
throw e;
}
} else {
application.handle(new RMAppEvent(appId, RMAppEventType.RECOVER));
}
}
private ResourceRequest validateAndCreateResourceRequest(
ApplicationSubmissionContext submissionContext, boolean isRecovery)
throws InvalidResourceRequestException {
// Validation of the ApplicationSubmissionContext needs to be completed
// here. Only those fields that are dependent on RM's configuration are
// checked here as they have to be validated whether they are part of new
// submission or just being recovered.
// Check whether AM resource requirements are within required limits
if (!submissionContext.getUnmanagedAM()) {
ResourceRequest amReq = submissionContext.getAMContainerResourceRequest();
if (amReq == null) {
amReq =
BuilderUtils.newResourceRequest(
RMAppAttemptImpl.AM_CONTAINER_PRIORITY,
ResourceRequest.ANY,
submissionContext.getResource(),
1);
}
// set label expression for AM container
if (null == amReq.getNodeLabelExpression()) {
amReq.setNodeLabelExpression(submissionContext.getNodeLabelExpression());
}
try {
SchedulerUtils.normalizeAndValidateRequest(
amReq,
scheduler.getMaximumResourceCapability(),
submissionContext.getQueue(),
scheduler,
isRecovery,
rmContext);
} catch (InvalidResourceRequestException e) {
LOG.warn(
"RM app submission failed in validating AM resource request"
+ " for application "
+ submissionContext.getApplicationId(),
e);
throw e;
}
SchedulerUtils.normalizeRequest(
amReq,
scheduler.getResourceCalculator(),
scheduler.getClusterResource(),
scheduler.getMinimumResourceCapability(),
scheduler.getMaximumResourceCapability(),
scheduler.getMinimumResourceCapability());
return amReq;
}
return null;
}
@Test(timeout = 20000)
public void testAMAdminCommandOpts() throws Exception {
JobConf jobConf = new JobConf();
jobConf.set(MRJobConfig.MR_AM_ADMIN_COMMAND_OPTS, "-Djava.net.preferIPv4Stack=true");
jobConf.set(MRJobConfig.MR_AM_COMMAND_OPTS, "-Xmx1024m");
YARNRunner yarnRunner = new YARNRunner(jobConf);
File jobxml = new File(testWorkDir, MRJobConfig.JOB_CONF_FILE);
OutputStream out = new FileOutputStream(jobxml);
conf.writeXml(out);
out.close();
File jobsplit = new File(testWorkDir, MRJobConfig.JOB_SPLIT);
out = new FileOutputStream(jobsplit);
out.close();
File jobsplitmetainfo = new File(testWorkDir, MRJobConfig.JOB_SPLIT_METAINFO);
out = new FileOutputStream(jobsplitmetainfo);
out.close();
File appTokens = new File(testWorkDir, MRJobConfig.APPLICATION_TOKENS_FILE);
out = new FileOutputStream(appTokens);
out.close();
ApplicationSubmissionContext submissionContext =
yarnRunner.createApplicationSubmissionContext(
jobConf, testWorkDir.toString(), new Credentials());
ContainerLaunchContext containerSpec = submissionContext.getAMContainerSpec();
List<String> commands = containerSpec.getCommands();
int index = 0;
int adminIndex = 0;
int adminPos = -1;
int userIndex = 0;
int userPos = -1;
for (String command : commands) {
if (command != null) {
adminPos = command.indexOf("-Djava.net.preferIPv4Stack=true");
if (adminPos >= 0) adminIndex = index;
userPos = command.indexOf("-Xmx1024m");
if (userPos >= 0) userIndex = index;
}
index++;
}
// Check both admin java opts and user java opts are in the commands
assertTrue("AM admin command opts not in the commands.", adminPos > 0);
assertTrue("AM user command opts not in the commands.", userPos > 0);
// Check the admin java opts is before user java opts in the commands
if (adminIndex == userIndex) {
assertTrue("AM admin command opts is after user command opts.", adminPos < userPos);
} else {
assertTrue("AM admin command opts is after user command opts.", adminIndex < userIndex);
}
}
public static ApplicationSubmissionContext newApplicationSubmissionContext(
ApplicationId applicationId,
String applicationName,
String queue,
Priority priority,
ContainerLaunchContext amContainer,
boolean isUnmanagedAM,
boolean cancelTokensWhenComplete,
int maxAppAttempts,
Resource resource,
String applicationType) {
ApplicationSubmissionContext context =
recordFactory.newRecordInstance(ApplicationSubmissionContext.class);
context.setApplicationId(applicationId);
context.setApplicationName(applicationName);
context.setQueue(queue);
context.setPriority(priority);
context.setAMContainerSpec(amContainer);
context.setUnmanagedAM(isUnmanagedAM);
context.setCancelTokensWhenComplete(cancelTokensWhenComplete);
context.setMaxAppAttempts(maxAppAttempts);
context.setResource(resource);
context.setApplicationType(applicationType);
return context;
}
@Test
public void testAutomaticTimelineDelegationTokenLoading() throws Exception {
Configuration conf = new YarnConfiguration();
conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
SecurityUtil.setAuthenticationMethod(AuthenticationMethod.KERBEROS, conf);
TimelineDelegationTokenIdentifier timelineDT = new TimelineDelegationTokenIdentifier();
final Token<TimelineDelegationTokenIdentifier> dToken =
new Token<TimelineDelegationTokenIdentifier>(
timelineDT.getBytes(), new byte[0], timelineDT.getKind(), new Text());
// crate a mock client
YarnClientImpl client =
spy(
new YarnClientImpl() {
@Override
protected void serviceInit(Configuration conf) throws Exception {
if (getConfig()
.getBoolean(
YarnConfiguration.TIMELINE_SERVICE_ENABLED,
YarnConfiguration.DEFAULT_TIMELINE_SERVICE_ENABLED)) {
timelineServiceEnabled = true;
timelineClient = mock(TimelineClient.class);
when(timelineClient.getDelegationToken(any(String.class))).thenReturn(dToken);
timelineClient.init(getConfig());
timelineService = TimelineUtils.buildTimelineTokenService(getConfig());
}
this.setConfig(conf);
}
@Override
protected void serviceStart() throws Exception {
rmClient = mock(ApplicationClientProtocol.class);
}
@Override
protected void serviceStop() throws Exception {}
@Override
public ApplicationReport getApplicationReport(ApplicationId appId) {
ApplicationReport report = mock(ApplicationReport.class);
when(report.getYarnApplicationState()).thenReturn(YarnApplicationState.SUBMITTED);
return report;
}
@Override
public boolean isSecurityEnabled() {
return true;
}
});
client.init(conf);
client.start();
try {
// when i == 0, timeline DT already exists, no need to get one more
// when i == 1, timeline DT doesn't exist, need to get one more
for (int i = 0; i < 2; ++i) {
ApplicationSubmissionContext context = mock(ApplicationSubmissionContext.class);
ApplicationId applicationId = ApplicationId.newInstance(0, i + 1);
when(context.getApplicationId()).thenReturn(applicationId);
DataOutputBuffer dob = new DataOutputBuffer();
Credentials credentials = new Credentials();
if (i == 0) {
credentials.addToken(client.timelineService, dToken);
}
credentials.writeTokenStorageToStream(dob);
ByteBuffer tokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
ContainerLaunchContext clc =
ContainerLaunchContext.newInstance(null, null, null, null, tokens, null);
when(context.getAMContainerSpec()).thenReturn(clc);
client.submitApplication(context);
if (i == 0) {
// GetTimelineDelegationToken shouldn't be called
verify(client, never()).getTimelineDelegationToken();
}
// In either way, token should be there
credentials = new Credentials();
DataInputByteBuffer dibb = new DataInputByteBuffer();
tokens = clc.getTokens();
if (tokens != null) {
dibb.reset(tokens);
credentials.readTokenStorageStream(dibb);
tokens.rewind();
}
Collection<Token<? extends TokenIdentifier>> dTokens = credentials.getAllTokens();
Assert.assertEquals(1, dTokens.size());
Assert.assertEquals(dToken, dTokens.iterator().next());
}
} finally {
client.stop();
}
}
public void run(String[] args) throws Exception {
final String command = args[0];
final int n = Integer.valueOf(args[1]);
final Path jarPath = new Path(args[2]);
// Create yarnClient
YarnConfiguration conf = new YarnConfiguration();
YarnClient yarnClient = YarnClient.createYarnClient();
yarnClient.init(conf);
yarnClient.start();
// Create application via yarnClient
YarnClientApplication app = yarnClient.createApplication();
// Set up the container launch context for the application master
ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class);
amContainer.setCommands(
Collections.singletonList(
"$JAVA_HOME/bin/java"
+ " -Xmx256M"
+ " com.hortonworks.simpleyarnapp.ApplicationMaster"
+ " "
+ command
+ " "
+ String.valueOf(n)
+ " 1>"
+ ApplicationConstants.LOG_DIR_EXPANSION_VAR
+ "/stdout"
+ " 2>"
+ ApplicationConstants.LOG_DIR_EXPANSION_VAR
+ "/stderr"));
// Setup jar for ApplicationMaster
LocalResource appMasterJar = Records.newRecord(LocalResource.class);
setupAppMasterJar(jarPath, appMasterJar);
System.out.println("Jar name is " + jarPath.getName());
amContainer.setLocalResources(Collections.singletonMap(jarPath.getName(), appMasterJar));
// Setup CLASSPATH for ApplicationMaster
Map<String, String> appMasterEnv = new HashMap<String, String>();
setupAppMasterEnv(appMasterEnv);
amContainer.setEnvironment(appMasterEnv);
// Set up resource type requirements for ApplicationMaster
Resource capability = Records.newRecord(Resource.class);
capability.setMemory(256);
capability.setVirtualCores(1);
// Finally, set-up ApplicationSubmissionContext for the application
ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext();
appContext.setApplicationName("apache-yarn-example"); // application name
appContext.setAMContainerSpec(amContainer);
appContext.setResource(capability);
appContext.setQueue("default"); // queue
// Submit application
ApplicationId appId = appContext.getApplicationId();
System.out.println("Submitting application " + appId);
yarnClient.submitApplication(appContext);
ApplicationReport appReport = yarnClient.getApplicationReport(appId);
YarnApplicationState appState = appReport.getYarnApplicationState();
while (appState != YarnApplicationState.FINISHED
&& appState != YarnApplicationState.KILLED
&& appState != YarnApplicationState.FAILED) {
System.out.println("App Status = " + appState);
Thread.sleep(100);
appReport = yarnClient.getApplicationReport(appId);
appState = appReport.getYarnApplicationState();
}
System.out.println(
"Application "
+ appId
+ " finished with"
+ " state "
+ appState
+ " at "
+ appReport.getFinishTime());
}
@Override
public ApplicationId submitApplication(ApplicationSubmissionContext appContext)
throws YarnException, IOException {
ApplicationId applicationId = appContext.getApplicationId();
if (applicationId == null) {
throw new ApplicationIdNotProvidedException(
"ApplicationId is not provided in ApplicationSubmissionContext");
}
SubmitApplicationRequest request = Records.newRecord(SubmitApplicationRequest.class);
request.setApplicationSubmissionContext(appContext);
// Automatically add the timeline DT into the CLC
// Only when the security and the timeline service are both enabled
if (isSecurityEnabled() && timelineServiceEnabled) {
addTimelineDelegationToken(appContext.getAMContainerSpec());
}
// TODO: YARN-1763:Handle RM failovers during the submitApplication call.
rmClient.submitApplication(request);
int pollCount = 0;
long startTime = System.currentTimeMillis();
EnumSet<YarnApplicationState> waitingStates =
EnumSet.of(
YarnApplicationState.NEW,
YarnApplicationState.NEW_SAVING,
YarnApplicationState.SUBMITTED);
EnumSet<YarnApplicationState> failToSubmitStates =
EnumSet.of(YarnApplicationState.FAILED, YarnApplicationState.KILLED);
while (true) {
try {
ApplicationReport appReport = getApplicationReport(applicationId);
YarnApplicationState state = appReport.getYarnApplicationState();
if (!waitingStates.contains(state)) {
if (failToSubmitStates.contains(state)) {
throw new YarnException(
"Failed to submit " + applicationId + " to YARN : " + appReport.getDiagnostics());
}
LOG.info("Submitted application " + applicationId);
break;
}
long elapsedMillis = System.currentTimeMillis() - startTime;
if (enforceAsyncAPITimeout() && elapsedMillis >= asyncApiPollTimeoutMillis) {
throw new YarnException(
"Timed out while waiting for application "
+ applicationId
+ " to be submitted successfully");
}
// Notify the client through the log every 10 poll, in case the client
// is blocked here too long.
if (++pollCount % 10 == 0) {
LOG.info(
"Application submission is not finished, "
+ "submitted application "
+ applicationId
+ " is still in "
+ state);
}
try {
Thread.sleep(submitPollIntervalMillis);
} catch (InterruptedException ie) {
LOG.error(
"Interrupted while waiting for application "
+ applicationId
+ " to be successfully submitted.");
}
} catch (ApplicationNotFoundException ex) {
// FailOver or RM restart happens before RMStateStore saves
// ApplicationState
LOG.info(
"Re-submit application "
+ applicationId
+ "with the "
+ "same ApplicationSubmissionContext");
rmClient.submitApplication(request);
}
}
return applicationId;
}
/**
* Launch application for the dag represented by this client.
*
* @throws YarnException
* @throws IOException
*/
public void startApplication() throws YarnException, IOException {
Class<?>[] defaultClasses;
if (applicationType.equals(YARN_APPLICATION_TYPE)) {
// TODO restrict the security check to only check if security is enabled for webservices.
if (UserGroupInformation.isSecurityEnabled()) {
defaultClasses = DATATORRENT_SECURITY_CLASSES;
} else {
defaultClasses = DATATORRENT_CLASSES;
}
} else {
throw new IllegalStateException(applicationType + " is not a valid application type.");
}
LinkedHashSet<String> localJarFiles = findJars(dag, defaultClasses);
if (resources != null) {
localJarFiles.addAll(resources);
}
YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics();
LOG.info(
"Got Cluster metric info from ASM"
+ ", numNodeManagers="
+ clusterMetrics.getNumNodeManagers());
// GetClusterNodesRequest clusterNodesReq = Records.newRecord(GetClusterNodesRequest.class);
// GetClusterNodesResponse clusterNodesResp =
// rmClient.clientRM.getClusterNodes(clusterNodesReq);
// LOG.info("Got Cluster node info from ASM");
// for (NodeReport node : clusterNodesResp.getNodeReports()) {
// LOG.info("Got node report from ASM for"
// + ", nodeId=" + node.getNodeId()
// + ", nodeAddress" + node.getHttpAddress()
// + ", nodeRackName" + node.getRackName()
// + ", nodeNumContainers" + node.getNumContainers()
// + ", nodeHealthStatus" + node.getHealthReport());
// }
List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo();
for (QueueUserACLInfo aclInfo : listAclInfo) {
for (QueueACL userAcl : aclInfo.getUserAcls()) {
LOG.info(
"User ACL Info for Queue"
+ ", queueName="
+ aclInfo.getQueueName()
+ ", userAcl="
+ userAcl.name());
}
}
// Get a new application id
YarnClientApplication newApp = yarnClient.createApplication();
appId = newApp.getNewApplicationResponse().getApplicationId();
// Dump out information about cluster capability as seen by the resource manager
int maxMem = newApp.getNewApplicationResponse().getMaximumResourceCapability().getMemory();
LOG.info("Max mem capabililty of resources in this cluster " + maxMem);
int amMemory = dag.getMasterMemoryMB();
if (amMemory > maxMem) {
LOG.info(
"AM memory specified above max threshold of cluster. Using max value."
+ ", specified="
+ amMemory
+ ", max="
+ maxMem);
amMemory = maxMem;
}
if (dag.getAttributes().get(LogicalPlan.APPLICATION_ID) == null) {
dag.setAttribute(LogicalPlan.APPLICATION_ID, appId.toString());
}
// Create launch context for app master
LOG.info("Setting up application submission context for ASM");
ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class);
// set the application id
appContext.setApplicationId(appId);
// set the application name
appContext.setApplicationName(dag.getValue(LogicalPlan.APPLICATION_NAME));
appContext.setApplicationType(this.applicationType);
if (YARN_APPLICATION_TYPE.equals(this.applicationType)) {
// appContext.setMaxAppAttempts(1); // no retries until Stram is HA
}
// Set up the container launch context for the application master
ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class);
// Setup security tokens
// If security is enabled get ResourceManager and NameNode delegation tokens.
// Set these tokens on the container so that they are sent as part of application submission.
// This also sets them up for renewal by ResourceManager. The NameNode delegation rmToken
// is also used by ResourceManager to fetch the jars from HDFS and set them up for the
// application master launch.
if (UserGroupInformation.isSecurityEnabled()) {
Credentials credentials = new Credentials();
String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL);
if (tokenRenewer == null || tokenRenewer.length() == 0) {
throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer");
}
// For now, only getting tokens for the default file-system.
FileSystem fs = StramClientUtils.newFileSystemInstance(conf);
try {
final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials);
if (tokens != null) {
for (Token<?> token : tokens) {
LOG.info("Got dt for " + fs.getUri() + "; " + token);
}
}
} finally {
fs.close();
}
addRMDelegationToken(tokenRenewer, credentials);
DataOutputBuffer dob = new DataOutputBuffer();
credentials.writeTokenStorageToStream(dob);
ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
amContainer.setTokens(fsTokens);
}
// set local resources for the application master
// local files or archives as needed
// In this scenario, the jar file for the application master is part of the local resources
Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();
// copy required jar files to dfs, to be localized for containers
FileSystem fs = StramClientUtils.newFileSystemInstance(conf);
try {
Path appsBasePath =
new Path(StramClientUtils.getDTDFSRootDir(fs, conf), StramClientUtils.SUBDIR_APPS);
Path appPath = new Path(appsBasePath, appId.toString());
String libJarsCsv = copyFromLocal(fs, appPath, localJarFiles.toArray(new String[] {}));
LOG.info("libjars: {}", libJarsCsv);
dag.getAttributes().put(LogicalPlan.LIBRARY_JARS, libJarsCsv);
LaunchContainerRunnable.addFilesToLocalResources(
LocalResourceType.FILE, libJarsCsv, localResources, fs);
if (archives != null) {
String[] localFiles = archives.split(",");
String archivesCsv = copyFromLocal(fs, appPath, localFiles);
LOG.info("archives: {}", archivesCsv);
dag.getAttributes().put(LogicalPlan.ARCHIVES, archivesCsv);
LaunchContainerRunnable.addFilesToLocalResources(
LocalResourceType.ARCHIVE, archivesCsv, localResources, fs);
}
if (files != null) {
String[] localFiles = files.split(",");
String filesCsv = copyFromLocal(fs, appPath, localFiles);
LOG.info("files: {}", filesCsv);
dag.getAttributes().put(LogicalPlan.FILES, filesCsv);
LaunchContainerRunnable.addFilesToLocalResources(
LocalResourceType.FILE, filesCsv, localResources, fs);
}
dag.getAttributes().put(LogicalPlan.APPLICATION_PATH, appPath.toString());
if (dag.getAttributes().get(OperatorContext.STORAGE_AGENT) == null) {
/* which would be the most likely case */
Path checkpointPath = new Path(appPath, LogicalPlan.SUBDIR_CHECKPOINTS);
// use conf client side to pickup any proxy settings from dt-site.xml
dag.setAttribute(
OperatorContext.STORAGE_AGENT, new FSStorageAgent(checkpointPath.toString(), conf));
}
if (dag.getAttributes().get(LogicalPlan.CONTAINER_OPTS_CONFIGURATOR) == null) {
dag.setAttribute(
LogicalPlan.CONTAINER_OPTS_CONFIGURATOR, new BasicContainerOptConfigurator());
}
// Set the log4j properties if needed
if (!log4jPropFile.isEmpty()) {
Path log4jSrc = new Path(log4jPropFile);
Path log4jDst = new Path(appPath, "log4j.props");
fs.copyFromLocalFile(false, true, log4jSrc, log4jDst);
FileStatus log4jFileStatus = fs.getFileStatus(log4jDst);
LocalResource log4jRsrc = Records.newRecord(LocalResource.class);
log4jRsrc.setType(LocalResourceType.FILE);
log4jRsrc.setVisibility(LocalResourceVisibility.APPLICATION);
log4jRsrc.setResource(ConverterUtils.getYarnUrlFromURI(log4jDst.toUri()));
log4jRsrc.setTimestamp(log4jFileStatus.getModificationTime());
log4jRsrc.setSize(log4jFileStatus.getLen());
localResources.put("log4j.properties", log4jRsrc);
}
if (originalAppId != null) {
Path origAppPath = new Path(appsBasePath, this.originalAppId);
LOG.info("Restart from {}", origAppPath);
copyInitialState(origAppPath);
}
// push logical plan to DFS location
Path cfgDst = new Path(appPath, LogicalPlan.SER_FILE_NAME);
FSDataOutputStream outStream = fs.create(cfgDst, true);
LogicalPlan.write(this.dag, outStream);
outStream.close();
Path launchConfigDst = new Path(appPath, LogicalPlan.LAUNCH_CONFIG_FILE_NAME);
outStream = fs.create(launchConfigDst, true);
conf.writeXml(outStream);
outStream.close();
FileStatus topologyFileStatus = fs.getFileStatus(cfgDst);
LocalResource topologyRsrc = Records.newRecord(LocalResource.class);
topologyRsrc.setType(LocalResourceType.FILE);
topologyRsrc.setVisibility(LocalResourceVisibility.APPLICATION);
topologyRsrc.setResource(ConverterUtils.getYarnUrlFromURI(cfgDst.toUri()));
topologyRsrc.setTimestamp(topologyFileStatus.getModificationTime());
topologyRsrc.setSize(topologyFileStatus.getLen());
localResources.put(LogicalPlan.SER_FILE_NAME, topologyRsrc);
// Set local resource info into app master container launch context
amContainer.setLocalResources(localResources);
// Set the necessary security tokens as needed
// amContainer.setContainerTokens(containerToken);
// Set the env variables to be setup in the env where the application master will be run
LOG.info("Set the environment for the application master");
Map<String, String> env = new HashMap<String, String>();
// Add application jar(s) location to classpath
// At some point we should not be required to add
// the hadoop specific classpaths to the env.
// It should be provided out of the box.
// For now setting all required classpaths including
// the classpath to "." for the application jar(s)
// including ${CLASSPATH} will duplicate the class path in app master, removing it for now
// StringBuilder classPathEnv = new StringBuilder("${CLASSPATH}:./*");
StringBuilder classPathEnv = new StringBuilder("./*");
String classpath = conf.get(YarnConfiguration.YARN_APPLICATION_CLASSPATH);
for (String c :
StringUtils.isBlank(classpath)
? YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH
: classpath.split(",")) {
if (c.equals("$HADOOP_CLIENT_CONF_DIR")) {
// SPOI-2501
continue;
}
classPathEnv.append(':');
classPathEnv.append(c.trim());
}
env.put("CLASSPATH", classPathEnv.toString());
// propagate to replace node managers user name (effective in non-secure mode)
env.put("HADOOP_USER_NAME", UserGroupInformation.getLoginUser().getUserName());
amContainer.setEnvironment(env);
// Set the necessary command to execute the application master
ArrayList<CharSequence> vargs = new ArrayList<CharSequence>(30);
// Set java executable command
LOG.info("Setting up app master command");
vargs.add(javaCmd);
if (dag.isDebug()) {
vargs.add("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n");
}
// Set Xmx based on am memory size
// default heap size 75% of total memory
vargs.add("-Xmx" + (amMemory * 3 / 4) + "m");
vargs.add("-XX:+HeapDumpOnOutOfMemoryError");
vargs.add("-XX:HeapDumpPath=/tmp/dt-heap-" + appId.getId() + ".bin");
vargs.add("-Dhadoop.root.logger=" + (dag.isDebug() ? "DEBUG" : "INFO") + ",RFA");
vargs.add("-Dhadoop.log.dir=" + ApplicationConstants.LOG_DIR_EXPANSION_VAR);
vargs.add(String.format("-D%s=%s", StreamingContainer.PROP_APP_PATH, dag.assertAppPath()));
if (dag.isDebug()) {
vargs.add("-Dlog4j.debug=true");
}
String loggersLevel = conf.get(DTLoggerFactory.DT_LOGGERS_LEVEL);
if (loggersLevel != null) {
vargs.add(String.format("-D%s=%s", DTLoggerFactory.DT_LOGGERS_LEVEL, loggersLevel));
}
vargs.add(StreamingAppMaster.class.getName());
vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout");
vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr");
// Get final command
StringBuilder command = new StringBuilder(9 * vargs.size());
for (CharSequence str : vargs) {
command.append(str).append(" ");
}
LOG.info("Completed setting up app master command " + command.toString());
List<String> commands = new ArrayList<String>();
commands.add(command.toString());
amContainer.setCommands(commands);
// Set up resource type requirements
// For now, only memory is supported so we set memory requirements
Resource capability = Records.newRecord(Resource.class);
capability.setMemory(amMemory);
appContext.setResource(capability);
// Service data is a binary blob that can be passed to the application
// Not needed in this scenario
// amContainer.setServiceData(serviceData);
appContext.setAMContainerSpec(amContainer);
// Set the priority for the application master
Priority pri = Records.newRecord(Priority.class);
pri.setPriority(amPriority);
appContext.setPriority(pri);
// Set the queue to which this application is to be submitted in the RM
appContext.setQueue(queueName);
// Submit the application to the applications manager
// SubmitApplicationResponse submitResp = rmClient.submitApplication(appRequest);
// Ignore the response as either a valid response object is returned on success
// or an exception thrown to denote some form of a failure
String specStr =
Objects.toStringHelper("Submitting application: ")
.add("name", appContext.getApplicationName())
.add("queue", appContext.getQueue())
.add("user", UserGroupInformation.getLoginUser())
.add("resource", appContext.getResource())
.toString();
LOG.info(specStr);
if (dag.isDebug()) {
// LOG.info("Full submission context: " + appContext);
}
yarnClient.submitApplication(appContext);
} finally {
fs.close();
}
}