YARN-7899. [AMRMProxy] Stateful FederationInterceptor for pending requests. Contributed by Botong Huang.

This commit is contained in:
Giovanni Matteo Fumarola 2018-07-09 16:47:44 -07:00
parent 4c54ddd1c2
commit aab9bfc13c
8 changed files with 192 additions and 142 deletions

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@ -30,17 +30,7 @@ import org.apache.hadoop.security.SaslRpcServer;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.yarn.api.ApplicationMasterProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException;
import org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -59,87 +49,6 @@ public final class AMRMClientUtils {
private AMRMClientUtils() {
}
/**
* Handle ApplicationNotRegistered exception and re-register.
*
* @param appId application Id
* @param rmProxy RM proxy instance
* @param registerRequest the AM re-register request
* @throws YarnException if re-register fails
*/
public static void handleNotRegisteredExceptionAndReRegister(
ApplicationId appId, ApplicationMasterProtocol rmProxy,
RegisterApplicationMasterRequest registerRequest) throws YarnException {
LOG.info("App attempt {} not registered, most likely due to RM failover. "
+ " Trying to re-register.", appId);
try {
rmProxy.registerApplicationMaster(registerRequest);
} catch (Exception e) {
if (e instanceof InvalidApplicationMasterRequestException
&& e.getMessage().contains(APP_ALREADY_REGISTERED_MESSAGE)) {
LOG.info("Concurrent thread successfully registered, moving on.");
} else {
LOG.error("Error trying to re-register AM", e);
throw new YarnException(e);
}
}
}
/**
* Helper method for client calling ApplicationMasterProtocol.allocate that
* handles re-register if RM fails over.
*
* @param request allocate request
* @param rmProxy RM proxy
* @param registerRequest the register request for re-register
* @param appId application id
* @return allocate response
* @throws YarnException if RM call fails
* @throws IOException if RM call fails
*/
public static AllocateResponse allocateWithReRegister(AllocateRequest request,
ApplicationMasterProtocol rmProxy,
RegisterApplicationMasterRequest registerRequest, ApplicationId appId)
throws YarnException, IOException {
try {
return rmProxy.allocate(request);
} catch (ApplicationMasterNotRegisteredException e) {
handleNotRegisteredExceptionAndReRegister(appId, rmProxy,
registerRequest);
// reset responseId after re-register
request.setResponseId(0);
// retry allocate
return allocateWithReRegister(request, rmProxy, registerRequest, appId);
}
}
/**
* Helper method for client calling
* ApplicationMasterProtocol.finishApplicationMaster that handles re-register
* if RM fails over.
*
* @param request finishApplicationMaster request
* @param rmProxy RM proxy
* @param registerRequest the register request for re-register
* @param appId application id
* @return finishApplicationMaster response
* @throws YarnException if RM call fails
* @throws IOException if RM call fails
*/
public static FinishApplicationMasterResponse finishAMWithReRegister(
FinishApplicationMasterRequest request, ApplicationMasterProtocol rmProxy,
RegisterApplicationMasterRequest registerRequest, ApplicationId appId)
throws YarnException, IOException {
try {
return rmProxy.finishApplicationMaster(request);
} catch (ApplicationMasterNotRegisteredException ex) {
handleNotRegisteredExceptionAndReRegister(appId, rmProxy,
registerRequest);
// retry finishAM after re-register
return finishAMWithReRegister(request, rmProxy, registerRequest, appId);
}
}
/**
* Create a proxy for the specified protocol.
*

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@ -141,6 +141,11 @@ public class AMRMClientRelayer extends AbstractService
super.serviceStop();
}
public void setAMRegistrationRequest(
RegisterApplicationMasterRequest registerRequest) {
this.amRegistrationRequest = registerRequest;
}
@Override
public RegisterApplicationMasterResponse registerApplicationMaster(
RegisterApplicationMasterRequest request)
@ -239,8 +244,10 @@ public class AMRMClientRelayer extends AbstractService
this.change.putAll(this.remotePendingChange);
}
// re register with RM, then retry allocate recursively
// re-register with RM, then retry allocate recursively
registerApplicationMaster(this.amRegistrationRequest);
// Reset responseId after re-register
allocateRequest.setResponseId(0);
return allocate(allocateRequest);
}

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@ -49,6 +49,7 @@ import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.client.AMRMClientUtils;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.server.AMRMClientRelayer;
import org.apache.hadoop.yarn.util.AsyncCallback;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -384,4 +385,19 @@ public class UnmanagedAMPoolManager extends AbstractService {
return this.unmanagedAppMasterMap.containsKey(uamId);
}
/**
* Return the rmProxy relayer of an UAM.
*
* @param uamId uam Id
* @return the rmProxy relayer
* @throws YarnException if fails
*/
public AMRMClientRelayer getAMRMClientRelayer(String uamId)
throws YarnException {
if (!this.unmanagedAppMasterMap.containsKey(uamId)) {
throw new YarnException("UAM " + uamId + " does not exist");
}
return this.unmanagedAppMasterMap.get(uamId).getAMRMClientRelayer();
}
}

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@ -63,6 +63,7 @@ import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.server.AMRMClientRelayer;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.server.utils.YarnServerSecurityUtils;
import org.apache.hadoop.yarn.util.AsyncCallback;
@ -90,7 +91,7 @@ public class UnmanagedApplicationManager {
private BlockingQueue<AsyncAllocateRequestInfo> requestQueue;
private AMRequestHandlerThread handlerThread;
private ApplicationMasterProtocol rmProxy;
private AMRMClientRelayer rmProxyRelayer;
private ApplicationId applicationId;
private String submitter;
private String appNameSuffix;
@ -138,7 +139,7 @@ public class UnmanagedApplicationManager {
this.appNameSuffix = appNameSuffix;
this.handlerThread = new AMRequestHandlerThread();
this.requestQueue = new LinkedBlockingQueue<>();
this.rmProxy = null;
this.rmProxyRelayer = null;
this.connectionInitiated = false;
this.registerRequest = null;
this.recordFactory = RecordFactoryProvider.getRecordFactory(conf);
@ -190,8 +191,9 @@ public class UnmanagedApplicationManager {
throws IOException {
this.userUgi = UserGroupInformation.createProxyUser(
this.applicationId.toString(), UserGroupInformation.getCurrentUser());
this.rmProxy = createRMProxy(ApplicationMasterProtocol.class, this.conf,
this.userUgi, amrmToken);
this.rmProxyRelayer =
new AMRMClientRelayer(createRMProxy(ApplicationMasterProtocol.class,
this.conf, this.userUgi, amrmToken));
}
/**
@ -209,19 +211,18 @@ public class UnmanagedApplicationManager {
// Save the register request for re-register later
this.registerRequest = request;
// Since we have setKeepContainersAcrossApplicationAttempts = true for UAM.
// We do not expect application already registered exception here
LOG.info("Registering the Unmanaged application master {}",
this.applicationId);
RegisterApplicationMasterResponse response =
this.rmProxy.registerApplicationMaster(this.registerRequest);
this.rmProxyRelayer.registerApplicationMaster(this.registerRequest);
this.lastResponseId = 0;
for (Container container : response.getContainersFromPreviousAttempts()) {
LOG.info("RegisterUAM returned existing running container "
LOG.debug("RegisterUAM returned existing running container "
+ container.getId());
}
for (NMToken nmToken : response.getNMTokensFromPreviousAttempts()) {
LOG.info("RegisterUAM returned existing NM token for node "
LOG.debug("RegisterUAM returned existing NM token for node "
+ nmToken.getNodeId());
}
@ -249,7 +250,7 @@ public class UnmanagedApplicationManager {
this.handlerThread.shutdown();
if (this.rmProxy == null) {
if (this.rmProxyRelayer == null) {
if (this.connectionInitiated) {
// This is possible if the async launchUAM is still
// blocked and retrying. Return a dummy response in this case.
@ -261,8 +262,7 @@ public class UnmanagedApplicationManager {
+ "be called before createAndRegister");
}
}
return AMRMClientUtils.finishAMWithReRegister(request, this.rmProxy,
this.registerRequest, this.applicationId);
return this.rmProxyRelayer.finishApplicationMaster(request);
}
/**
@ -308,7 +308,7 @@ public class UnmanagedApplicationManager {
//
// In case 2, we have already save the allocate request above, so if the
// registration succeed later, no request is lost.
if (this.rmProxy == null) {
if (this.rmProxyRelayer == null) {
if (this.connectionInitiated) {
LOG.info("Unmanaged AM still not successfully launched/registered yet."
+ " Saving the allocate request and send later.");
@ -328,6 +328,15 @@ public class UnmanagedApplicationManager {
return this.applicationId;
}
/**
* Returns the rmProxy relayer of this UAM.
*
* @return rmProxy relayer of the UAM
*/
public AMRMClientRelayer getAMRMClientRelayer() {
return this.rmProxyRelayer;
}
/**
* Returns RM proxy for the specified protocol type. Unit test cases can
* override this method and return mock proxy instances.
@ -592,10 +601,7 @@ public class UnmanagedApplicationManager {
}
request.setResponseId(lastResponseId);
AllocateResponse response = AMRMClientUtils.allocateWithReRegister(
request, rmProxy, registerRequest, applicationId);
AllocateResponse response = rmProxyRelayer.allocate(request);
if (response == null) {
throw new YarnException("Null allocateResponse from allocate");
}

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@ -245,8 +245,6 @@ public class MockResourceManagerFacade implements ApplicationClientProtocol,
ApplicationAttemptId attemptId = getAppIdentifier();
LOG.info("Registering application attempt: " + attemptId);
shouldReRegisterNext = false;
List<Container> containersFromPreviousAttempt = null;
synchronized (applicationContainerIdMap) {
@ -260,7 +258,7 @@ public class MockResourceManagerFacade implements ApplicationClientProtocol,
containersFromPreviousAttempt.add(Container.newInstance(containerId,
null, null, null, null, null));
}
} else {
} else if (!shouldReRegisterNext) {
throw new InvalidApplicationMasterRequestException(
AMRMClientUtils.APP_ALREADY_REGISTERED_MESSAGE);
}
@ -270,6 +268,8 @@ public class MockResourceManagerFacade implements ApplicationClientProtocol,
}
}
shouldReRegisterNext = false;
// Make sure we wait for certain test cases last in the method
synchronized (syncObj) {
syncObj.notifyAll();
@ -333,13 +333,6 @@ public class MockResourceManagerFacade implements ApplicationClientProtocol,
validateRunning();
if (request.getAskList() != null && request.getAskList().size() > 0
&& request.getReleaseList() != null
&& request.getReleaseList().size() > 0) {
Assert.fail("The mock RM implementation does not support receiving "
+ "askList and releaseList in the same heartbeat");
}
ApplicationAttemptId attemptId = getAppIdentifier();
LOG.info("Allocate from application attempt: " + attemptId);

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@ -62,14 +62,15 @@ import org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.api.records.StrictPreemptionContract;
import org.apache.hadoop.yarn.api.records.UpdateContainerRequest;
import org.apache.hadoop.yarn.client.AMRMClientUtils;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException;
import org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterResponseProto;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.server.AMRMClientRelayer;
import org.apache.hadoop.yarn.server.federation.failover.FederationProxyProviderUtil;
import org.apache.hadoop.yarn.server.federation.policies.FederationPolicyUtils;
import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.FederationAMRMProxyPolicy;
@ -106,9 +107,9 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
public static final String NMSS_REG_RESPONSE_KEY =
NMSS_CLASS_PREFIX + "registerResponse";
/*
/**
* When AMRMProxy HA is enabled, secondary AMRMTokens will be stored in Yarn
* Registry. Otherwise if NM recovery is enabled, the UAM token are store in
* Registry. Otherwise if NM recovery is enabled, the UAM token are stored in
* local NMSS instead under this directory name.
*/
public static final String NMSS_SECONDARY_SC_PREFIX =
@ -119,8 +120,23 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
* The home sub-cluster is the sub-cluster where the AM container is running
* in.
*/
private ApplicationMasterProtocol homeRM;
private AMRMClientRelayer homeRMRelayer;
private SubClusterId homeSubClusterId;
private volatile int lastHomeResponseId;
/**
* A flag for work preserving NM restart. If we just recovered, we need to
* generate an {@link ApplicationMasterNotRegisteredException} exception back
* to AM (similar to what RM will do after its restart/fail-over) in its next
* allocate to trigger AM re-register (which we will shield from RM and just
* return our saved register response) and a full pending requests re-send, so
* that all the {@link AMRMClientRelayer} will be re-populated with all
* pending requests.
*
* TODO: When split-merge is not idempotent, this can lead to some
* over-allocation without a full cancel to RM.
*/
private volatile boolean justRecovered;
/**
* UAM pool for secondary sub-clusters (ones other than home sub-cluster),
@ -134,6 +150,12 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
*/
private UnmanagedAMPoolManager uamPool;
/**
* The rmProxy relayers for secondary sub-clusters that keep track of all
* pending requests.
*/
private Map<String, AMRMClientRelayer> secondaryRelayers;
/** Thread pool used for asynchronous operations. */
private ExecutorService threadpool;
@ -186,8 +208,11 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
this.asyncResponseSink = new ConcurrentHashMap<>();
this.threadpool = Executors.newCachedThreadPool();
this.uamPool = createUnmanagedAMPoolManager(this.threadpool);
this.secondaryRelayers = new ConcurrentHashMap<>();
this.amRegistrationRequest = null;
this.amRegistrationResponse = null;
this.lastHomeResponseId = Integer.MAX_VALUE;
this.justRecovered = false;
}
/**
@ -224,8 +249,8 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
this.homeSubClusterId =
SubClusterId.newInstance(YarnConfiguration.getClusterId(conf));
this.homeRM = createHomeRMProxy(appContext, ApplicationMasterProtocol.class,
this.appOwner);
this.homeRMRelayer = new AMRMClientRelayer(createHomeRMProxy(appContext,
ApplicationMasterProtocol.class, this.appOwner));
this.federationFacade = FederationStateStoreFacade.getInstance();
this.subClusterResolver = this.federationFacade.getSubClusterResolver();
@ -240,13 +265,12 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
@Override
public void recover(Map<String, byte[]> recoveredDataMap) {
super.recover(recoveredDataMap);
LOG.info("Recovering data for FederationInterceptor");
ApplicationAttemptId attemptId =
getApplicationContext().getApplicationAttemptId();
LOG.info("Recovering data for FederationInterceptor for {}", attemptId);
if (recoveredDataMap == null) {
return;
}
ApplicationAttemptId attemptId =
getApplicationContext().getApplicationAttemptId();
try {
if (recoveredDataMap.containsKey(NMSS_REG_REQUEST_KEY)) {
RegisterApplicationMasterRequestProto pb =
@ -255,6 +279,9 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
this.amRegistrationRequest =
new RegisterApplicationMasterRequestPBImpl(pb);
LOG.info("amRegistrationRequest recovered for {}", attemptId);
// Give the register request to homeRMRelayer for future re-registration
this.homeRMRelayer.setAMRegistrationRequest(this.amRegistrationRequest);
}
if (recoveredDataMap.containsKey(NMSS_REG_RESPONSE_KEY)) {
RegisterApplicationMasterResponseProto pb =
@ -263,6 +290,9 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
this.amRegistrationResponse =
new RegisterApplicationMasterResponsePBImpl(pb);
LOG.info("amRegistrationResponse recovered for {}", attemptId);
// Trigger re-register and full pending re-send only if we have a
// saved register response. This should always be true though.
this.justRecovered = true;
}
// Recover UAM amrmTokens from registry or NMSS
@ -309,6 +339,9 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
getApplicationContext().getUser(), this.homeSubClusterId.getId(),
entry.getValue());
this.secondaryRelayers.put(subClusterId.getId(),
this.uamPool.getAMRMClientRelayer(subClusterId.getId()));
RegisterApplicationMasterResponse response =
this.uamPool.registerApplicationMaster(subClusterId.getId(),
this.amRegistrationRequest);
@ -436,7 +469,7 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
* the other sub-cluster RM will be done lazily as needed later.
*/
this.amRegistrationResponse =
this.homeRM.registerApplicationMaster(request);
this.homeRMRelayer.registerApplicationMaster(request);
if (this.amRegistrationResponse
.getContainersFromPreviousAttempts() != null) {
cacheAllocatedContainers(
@ -495,6 +528,34 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
Preconditions.checkArgument(this.policyInterpreter != null,
"Allocate should be called after registerApplicationMaster");
if (this.justRecovered && this.lastHomeResponseId == Integer.MAX_VALUE) {
// Save the responseId home RM is expecting
this.lastHomeResponseId = request.getResponseId();
throw new ApplicationMasterNotRegisteredException(
"AMRMProxy just restarted and recovered for "
+ getApplicationContext().getApplicationAttemptId()
+ ". AM should re-register and full re-send pending requests.");
}
// Override responseId in the request in two cases:
//
// 1. After we just recovered after an NM restart and AM's responseId is
// reset due to the exception we generate. We need to override the
// responseId to the one homeRM expects.
//
// 2. After homeRM fail-over, the allocate response with reseted responseId
// might not be returned successfully back to AM because of RPC connection
// timeout between AM and AMRMProxy. In this case, we remember and reset the
// responseId for AM.
if (this.justRecovered
|| request.getResponseId() > this.lastHomeResponseId) {
LOG.warn("Setting allocate responseId for {} from {} to {}",
getApplicationContext().getApplicationAttemptId(),
request.getResponseId(), this.lastHomeResponseId);
request.setResponseId(this.lastHomeResponseId);
}
try {
// Split the heart beat request into multiple requests, one for each
// sub-cluster RM that is used by this application.
@ -509,10 +570,18 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
sendRequestsToSecondaryResourceManagers(requests);
// Send the request to the home RM and get the response
AllocateResponse homeResponse = AMRMClientUtils.allocateWithReRegister(
requests.get(this.homeSubClusterId), this.homeRM,
this.amRegistrationRequest,
getApplicationContext().getApplicationAttemptId().getApplicationId());
AllocateRequest homeRequest = requests.get(this.homeSubClusterId);
LOG.info("{} heartbeating to home RM with responseId {}",
getApplicationContext().getApplicationAttemptId(),
homeRequest.getResponseId());
AllocateResponse homeResponse = this.homeRMRelayer.allocate(homeRequest);
// Reset the flag after the first successful homeRM allocate response,
// otherwise keep overriding the responseId of new allocate request
if (this.justRecovered) {
this.justRecovered = false;
}
// Notify policy of home response
try {
@ -540,6 +609,22 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
newRegistrations.getSuccessfulRegistrations());
}
LOG.info("{} heartbeat response from home RM with responseId {}",
getApplicationContext().getApplicationAttemptId(),
homeResponse.getResponseId());
// Update lastHomeResponseId in three cases:
// 1. The normal responseId increments
// 2. homeResponse.getResponseId() == 1. This happens when homeRM fails
// over, AMRMClientRelayer auto re-register and full re-send for homeRM.
// 3. lastHomeResponseId == MAX_INT. This is the initial case or
// responseId about to overflow and wrap around
if (homeResponse.getResponseId() == this.lastHomeResponseId + 1
|| homeResponse.getResponseId() == 1
|| this.lastHomeResponseId == Integer.MAX_VALUE) {
this.lastHomeResponseId = homeResponse.getResponseId();
}
// return the final response to the application master.
return homeResponse;
} catch (IOException ex) {
@ -584,6 +669,16 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
try {
uamResponse =
uamPool.finishApplicationMaster(subClusterId, finishRequest);
if (uamResponse.getIsUnregistered()) {
secondaryRelayers.remove(subClusterId);
if (getNMStateStore() != null) {
getNMStateStore().removeAMRMProxyAppContextEntry(
getApplicationContext().getApplicationAttemptId(),
NMSS_SECONDARY_SC_PREFIX + subClusterId);
}
}
} catch (Throwable e) {
LOG.warn("Failed to finish unmanaged application master: "
+ "RM address: " + subClusterId + " ApplicationId: "
@ -600,9 +695,7 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
// asynchronously by other sub-cluster resource managers, send the same
// request to the home resource manager on this thread.
FinishApplicationMasterResponse homeResponse =
AMRMClientUtils.finishAMWithReRegister(request, this.homeRM,
this.amRegistrationRequest, getApplicationContext()
.getApplicationAttemptId().getApplicationId());
this.homeRMRelayer.finishApplicationMaster(request);
if (subClusterIds.size() > 0) {
// Wait for other sub-cluster resource managers to return the
@ -621,10 +714,6 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
if (uamResponse.getResponse() == null
|| !uamResponse.getResponse().getIsUnregistered()) {
failedToUnRegister = true;
} else if (getNMStateStore() != null) {
getNMStateStore().removeAMRMProxyAppContextEntry(
getApplicationContext().getApplicationAttemptId(),
NMSS_SECONDARY_SC_PREFIX + uamResponse.getSubClusterId());
}
} catch (Throwable e) {
failedToUnRegister = true;
@ -689,6 +778,11 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
return this.registryClient;
}
@VisibleForTesting
protected int getLastHomeResponseId() {
return this.lastHomeResponseId;
}
/**
* Create the UAM pool manager for secondary sub-clsuters. For unit test to
* override.
@ -800,6 +894,9 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
getApplicationContext().getUser(), homeSubClusterId.getId(),
amrmToken);
secondaryRelayers.put(subClusterId.getId(),
uamPool.getAMRMClientRelayer(subClusterId.getId()));
response = uamPool.registerApplicationMaster(
subClusterId.getId(), amRegistrationRequest);
@ -1098,7 +1195,10 @@ public class FederationInterceptor extends AbstractRequestInterceptor {
token = uamPool.launchUAM(subClusterId, config,
appContext.getApplicationAttemptId().getApplicationId(),
amRegistrationResponse.getQueue(), appContext.getUser(),
homeSubClusterId.toString(), registryClient != null);
homeSubClusterId.toString(), true);
secondaryRelayers.put(subClusterId,
uamPool.getAMRMClientRelayer(subClusterId));
uamResponse = uamPool.registerApplicationMaster(subClusterId,
registerRequest);

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@ -52,6 +52,7 @@ 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.ContainerStatus;
import org.apache.hadoop.yarn.api.records.ExecutionTypeRequest;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Priority;
@ -533,6 +534,7 @@ public abstract class BaseAMRMProxyTest {
capability.setMemorySize(memory);
capability.setVirtualCores(vCores);
req.setCapability(capability);
req.setExecutionTypeRequest(ExecutionTypeRequest.newInstance());
if (labelExpression != null) {
req.setNodeLabelExpression(labelExpression);
}

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@ -52,6 +52,7 @@ import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.api.records.UpdateContainerError;
import org.apache.hadoop.yarn.api.records.UpdatedContainer;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException;
import org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.server.MockResourceManagerFacade;
@ -516,6 +517,22 @@ public class TestFederationInterceptor extends BaseAMRMProxyTest {
interceptor.recover(recoveredDataMap);
Assert.assertEquals(1, interceptor.getUnmanagedAMPoolSize());
Assert.assertEquals(Integer.MAX_VALUE,
interceptor.getLastHomeResponseId());
// The first allocate call expects a fail-over exception and re-register
int responseId = 10;
AllocateRequest allocateRequest =
Records.newRecord(AllocateRequest.class);
allocateRequest.setResponseId(responseId);
try {
interceptor.allocate(allocateRequest);
Assert.fail("Expecting an ApplicationMasterNotRegisteredException "
+ " after FederationInterceptor restarts and recovers");
} catch (ApplicationMasterNotRegisteredException e) {
}
interceptor.registerApplicationMaster(registerReq);
Assert.assertEquals(responseId, interceptor.getLastHomeResponseId());
// Release all containers
releaseContainersAndAssert(containers);