Package org.apache.hadoop.yarn.server.webproxy

Class WebAppProxyServer

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.service.CompositeService

org.apache.hadoop.yarn.server.webproxy.WebAppProxyServer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service

public class WebAppProxyServer
extends org.apache.hadoop.service.CompositeService

ProxyServer will sit in between the end user and AppMaster web interfaces.

Nested Class Summary

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
static int	SHUTDOWN_HOOK_PRIORITY	Priority of the ResourceManager shutdown hook.

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

STOP_ONLY_STARTED_SERVICES

Constructor Summary

Constructors

Constructor	Description
WebAppProxyServer()

Method Summary

Modifier and Type	Method	Description
protected void	doSecureLogin(org.apache.hadoop.conf.Configuration conf)	Log in as the Kerberos principal designated for the proxy
static java.net.InetSocketAddress	getBindAddress(org.apache.hadoop.conf.Configuration conf)	Retrieve PROXY bind address from configuration
static void	main(java.lang.String[] args)
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected void	serviceStop()
protected static WebAppProxyServer	startServer(org.apache.hadoop.conf.Configuration configuration)	Start proxy server.

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

addIfService, addService, getServices, removeService

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

Field Detail

SHUTDOWN_HOOK_PRIORITY

public static final int SHUTDOWN_HOOK_PRIORITY

Priority of the ResourceManager shutdown hook.

See Also:

Constant Field Values

Constructor Detail

WebAppProxyServer

public WebAppProxyServer()

Method Detail

serviceInit

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

Overrides:

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

Throws:

java.lang.Exception

serviceStart

protected void serviceStart()
                     throws java.lang.Exception

Overrides:

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

Throws:

java.lang.Exception

serviceStop

protected void serviceStop()
                    throws java.lang.Exception

Overrides:

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

Throws:

java.lang.Exception

doSecureLogin

protected void doSecureLogin(org.apache.hadoop.conf.Configuration conf)
                      throws java.io.IOException

Log in as the Kerberos principal designated for the proxy

Parameters:

conf - the configuration holding this information in it.

Throws:

java.io.IOException - on any error.

getBindAddress

public static java.net.InetSocketAddress getBindAddress(org.apache.hadoop.conf.Configuration conf)

Retrieve PROXY bind address from configuration

Parameters:

conf -

Returns:

InetSocketAddress

main

public static void main(java.lang.String[] args)

startServer

protected static WebAppProxyServer startServer(org.apache.hadoop.conf.Configuration configuration)
                                        throws java.lang.Exception

Start proxy server.

Returns:

proxy server instance.

Throws:

java.lang.Exception