org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation
Class LogAggregationService

java.lang.Object
  org.apache.hadoop.service.AbstractService
      org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService

All Implemented Interfaces:

Closeable, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.event.EventHandler<LogHandlerEvent>, LogHandler

public class LogAggregationService
extends org.apache.hadoop.service.AbstractService
implements LogHandler

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Constructor Summary

LogAggregationService(org.apache.hadoop.yarn.event.Dispatcher dispatcher, Context context, DeletionService deletionService, LocalDirsHandlerService dirsHandler)

Method Summary

protected void	closeFileSystems(org.apache.hadoop.security.UserGroupInformation userUgi)
protected void	createAppDir(String user, org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.security.UserGroupInformation userUgi)
protected org.apache.hadoop.fs.FileSystem	getFileSystem(org.apache.hadoop.conf.Configuration conf)
void	handle(LogHandlerEvent event)
protected void	initAppAggregator(org.apache.hadoop.yarn.api.records.ApplicationId appId, String user, org.apache.hadoop.security.Credentials credentials, org.apache.hadoop.yarn.logaggregation.ContainerLogsRetentionPolicy logRetentionPolicy, Map<org.apache.hadoop.yarn.api.records.ApplicationAccessType,String> appAcls)
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected void	serviceStop()

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

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, 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

Constructor Detail

LogAggregationService

public LogAggregationService(org.apache.hadoop.yarn.event.Dispatcher dispatcher,
                             Context context,
                             DeletionService deletionService,
                             LocalDirsHandlerService dirsHandler)

Method Detail

serviceInit

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

Overrides:

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

Throws:

Exception

serviceStart

protected void serviceStart()
                     throws Exception

Overrides:

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

Throws:

Exception

serviceStop

protected void serviceStop()
                    throws Exception

Overrides:

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

Throws:

Exception

getFileSystem

protected org.apache.hadoop.fs.FileSystem getFileSystem(org.apache.hadoop.conf.Configuration conf)
                                                 throws IOException

Throws:

IOException

createAppDir

protected void createAppDir(String user,
                            org.apache.hadoop.yarn.api.records.ApplicationId appId,
                            org.apache.hadoop.security.UserGroupInformation userUgi)

initAppAggregator

protected void initAppAggregator(org.apache.hadoop.yarn.api.records.ApplicationId appId,
                                 String user,
                                 org.apache.hadoop.security.Credentials credentials,
                                 org.apache.hadoop.yarn.logaggregation.ContainerLogsRetentionPolicy logRetentionPolicy,
                                 Map<org.apache.hadoop.yarn.api.records.ApplicationAccessType,String> appAcls)

closeFileSystems

protected void closeFileSystems(org.apache.hadoop.security.UserGroupInformation userUgi)

handle

public void handle(LogHandlerEvent event)

Specified by:

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

Specified by:

handle in interface LogHandler