org.apache.slider.server.appmaster

Class RoleLaunchService

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.slider.server.services.workflow.WorkflowExecutorService<ExecutorService>

org.apache.slider.server.appmaster.RoleLaunchService

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service

public class RoleLaunchService
extends WorkflowExecutorService<ExecutorService>

A service for launching containers

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	log
static String	ROLE_LAUNCH_SERVICE

Constructor Summary

Constructors

Constructor and Description
RoleLaunchService(QueueAccess queueAccess, ProviderService provider, SliderFileSystem fs, org.apache.hadoop.fs.Path generatedConfDirPath, Map<String,String> envVars, org.apache.hadoop.fs.Path launcherTmpDirPath) Construct an instance of the launcher

Method Summary

Methods

Modifier and Type	Method and Description
void	init(org.apache.hadoop.conf.Configuration conf)
void	launchRole(ContainerAssignment assignment, AggregateConf clusterSpec) Start an asychronous launch operation

Methods inherited from class org.apache.slider.server.services.workflow.WorkflowExecutorService

execute, getExecutor, serviceStop, setExecutor, stopExecutor, submit

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

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceInit, serviceStart, 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

log

protected static final org.slf4j.Logger log

ROLE_LAUNCH_SERVICE

public static final String ROLE_LAUNCH_SERVICE

See Also:

Constant Field Values

Constructor Detail

RoleLaunchService

public RoleLaunchService(QueueAccess queueAccess,
                 ProviderService provider,
                 SliderFileSystem fs,
                 org.apache.hadoop.fs.Path generatedConfDirPath,
                 Map<String,String> envVars,
                 org.apache.hadoop.fs.Path launcherTmpDirPath)

Construct an instance of the launcher

Parameters:

startOperation - the callback to start the opreation

actionQueue -

provider - the provider

fs - filesystem

generatedConfDirPath - path in the FS for the generated dir

envVars - environment variables

launcherTmpDirPath - path for a temporary data in the launch process

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration conf)

Specified by:

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

Overrides:

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

launchRole

public void launchRole(ContainerAssignment assignment,
              AggregateConf clusterSpec)

Start an asychronous launch operation

Parameters:

container - container target

role - role

clusterSpec - cluster spec to use for template