Package org.apache.hadoop.yarn.server.nodemanager

Class NodeManager

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.service.CompositeService

org.apache.hadoop.yarn.server.nodemanager.NodeManager

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.event.EventHandler<NodeManagerEvent>, NodeManagerMXBean

public class NodeManager
extends org.apache.hadoop.service.CompositeService
implements org.apache.hadoop.yarn.event.EventHandler<NodeManagerEvent>, NodeManagerMXBean

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NodeManager.DefaultContainerStateListener	Default Container State transition listener.
static class	NodeManager.NMContext
static enum	NodeManager.NodeManagerStatus	Node manager return status codes.

Nested classes/interfaces inherited from class org.apache.hadoop.service.CompositeService

org.apache.hadoop.service.CompositeService.CompositeServiceShutdownHook

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Field Summary

Fields

Modifier and Type	Field	Description
protected final NodeManagerMetrics	metrics
static final int	SHUTDOWN_HOOK_PRIORITY	Priority of the NodeManager shutdown hook.

Fields inherited from class org.apache.hadoop.service.CompositeService

STOP_ONLY_STARTED_SERVICES

Constructor Summary

Constructors

Constructor	Description
NodeManager()

Method Summary

Modifier and Type	Method	Description
protected ContainerExecutor	createContainerExecutor(org.apache.hadoop.conf.Configuration conf)
protected ContainerManagerImpl	createContainerManager(Context context, ContainerExecutor exec, DeletionService del, NodeStatusUpdater nodeStatusUpdater, org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager, LocalDirsHandlerService dirsHandler)
protected DeletionService	createDeletionService(ContainerExecutor exec)
protected NMCollectorService	createNMCollectorService(Context ctxt)
protected NodeManager.NMContext	createNMContext(NMContainerTokenSecretManager containerTokenSecretManager, NMTokenSecretManagerInNM nmTokenSecretManager, NMStateStoreService stateStore, boolean isDistSchedulerEnabled, org.apache.hadoop.conf.Configuration conf)
protected org.apache.hadoop.yarn.event.AsyncDispatcher	createNMDispatcher()	Unit test friendly.
protected NodeAttributesProvider	createNodeAttributesProvider(org.apache.hadoop.conf.Configuration conf)
protected NodeLabelsProvider	createNodeLabelsProvider(org.apache.hadoop.conf.Configuration conf)
protected NodeResourceMonitor	createNodeResourceMonitor()
protected NodeStatusUpdater	createNodeStatusUpdater(Context context, org.apache.hadoop.yarn.event.Dispatcher dispatcher, NodeHealthCheckerService healthChecker)
protected ResourcePluginManager	createResourcePluginManager()
protected WebServer	createWebServer(Context nmContext, ResourceView resourceView, org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager, LocalDirsHandlerService dirsHandler)
void	disableWebServer()
protected void	doSecureLogin()
org.apache.hadoop.yarn.event.AsyncDispatcher	getDispatcher()
String	getName()
Context	getNMContext()
static long	getNMStartupTime()
NodeHealthCheckerService	getNodeHealthChecker()
NodeStatusUpdater	getNodeStatusUpdater()
void	handle(NodeManagerEvent event)
boolean	isSecurityEnabled()	Gets if security is enabled.
static void	main(String[] args)
protected void	reregisterCollectors()	Reregisters all collectors known by this node to the RM.
protected void	resyncWithRM()
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStop()
protected void	shutDown(int exitCode)

Methods inherited from class org.apache.hadoop.service.CompositeService

addIfService, addService, getServices, removeService, serviceStart

Methods inherited from class org.apache.hadoop.service.AbstractService

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

SHUTDOWN_HOOK_PRIORITY

public static final int SHUTDOWN_HOOK_PRIORITY

Priority of the NodeManager shutdown hook.

See Also:

• Constant Field Values

metrics

protected final NodeManagerMetrics metrics

Constructor Details

NodeManager

public NodeManager()

Method Details

getNMStartupTime

public static long getNMStartupTime()

createNodeStatusUpdater

protected NodeStatusUpdater createNodeStatusUpdater(Context context,
 org.apache.hadoop.yarn.event.Dispatcher dispatcher,
 NodeHealthCheckerService healthChecker)

createNodeAttributesProvider

protected NodeAttributesProvider createNodeAttributesProvider(org.apache.hadoop.conf.Configuration conf)
                                                       throws IOException

Throws:

IOException

createNodeLabelsProvider

protected NodeLabelsProvider createNodeLabelsProvider(org.apache.hadoop.conf.Configuration conf)
                                               throws IOException

Throws:

IOException

createNodeResourceMonitor

protected NodeResourceMonitor createNodeResourceMonitor()

createContainerManager

protected ContainerManagerImpl createContainerManager(Context context,
 ContainerExecutor exec,
 DeletionService del,
 NodeStatusUpdater nodeStatusUpdater,
 org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager,
 LocalDirsHandlerService dirsHandler)

createNMCollectorService

protected NMCollectorService createNMCollectorService(Context ctxt)

createWebServer

protected WebServer createWebServer(Context nmContext,
 ResourceView resourceView,
 org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager,
 LocalDirsHandlerService dirsHandler)

createDeletionService

protected DeletionService createDeletionService(ContainerExecutor exec)

createNMContext

protected NodeManager.NMContext createNMContext(NMContainerTokenSecretManager containerTokenSecretManager,
 NMTokenSecretManagerInNM nmTokenSecretManager,
 NMStateStoreService stateStore,
 boolean isDistSchedulerEnabled,
 org.apache.hadoop.conf.Configuration conf)

doSecureLogin

protected void doSecureLogin()
                      throws IOException

Throws:

IOException

createResourcePluginManager

@VisibleForTesting
protected ResourcePluginManager createResourcePluginManager()

createContainerExecutor

@VisibleForTesting
protected ContainerExecutor createContainerExecutor(org.apache.hadoop.conf.Configuration conf)

serviceInit

protected void serviceInit(org.apache.hadoop.conf.Configuration conf)
                    throws Exception

Overrides:

serviceInit in class org.apache.hadoop.service.CompositeService

Throws:

Exception

serviceStop

protected void serviceStop()
                    throws Exception

Overrides:

serviceStop in class org.apache.hadoop.service.CompositeService

Throws:

Exception

getName

public String getName()

Specified by:

getName in interface org.apache.hadoop.service.Service

Overrides:

getName in class org.apache.hadoop.service.AbstractService

shutDown

protected void shutDown(int exitCode)

resyncWithRM

protected void resyncWithRM()

reregisterCollectors

protected void reregisterCollectors()

Reregisters all collectors known by this node to the RM. This method is called when the RM needs to resync with the node.

getNodeHealthChecker

public NodeHealthCheckerService getNodeHealthChecker()

Returns:

the node health checker

handle

public void handle(NodeManagerEvent event)

Specified by:

handle in interface org.apache.hadoop.yarn.event.EventHandler<NodeManagerEvent>

isSecurityEnabled

public boolean isSecurityEnabled()

Description copied from interface: NodeManagerMXBean

Gets if security is enabled.

Specified by:

isSecurityEnabled in interface NodeManagerMXBean

Returns:

true, if security is enabled.

createNMDispatcher

protected org.apache.hadoop.yarn.event.AsyncDispatcher createNMDispatcher()

Unit test friendly.

getNMContext

@VisibleForTesting
public Context getNMContext()

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException

getNodeStatusUpdater

@VisibleForTesting
@Private
public NodeStatusUpdater getNodeStatusUpdater()

getDispatcher

@VisibleForTesting
@Private
public org.apache.hadoop.yarn.event.AsyncDispatcher getDispatcher()

disableWebServer

@VisibleForTesting
public void disableWebServer()