org.apache.slider.core.build

Class InstanceBuilder

java.lang.Object

org.apache.slider.core.build.InstanceBuilder

public class InstanceBuilder
extends Object

Build up the instance of a cluster.

Constructor Summary

Constructors

Constructor and Description
InstanceBuilder(CoreFileSystem coreFileSystem, org.apache.hadoop.conf.Configuration conf, String clustername)

Method Summary

Methods

Modifier and Type	Method and Description
void	addZKBinding(ZKPathBuilder zkBinding) Add the ZK paths to the application options.
AggregateConf	getInstanceDescription()
InstancePaths	getInstancePaths()
void	init(String provider, AggregateConf instanceConf) Initial part of the build process
void	persist(org.apache.hadoop.fs.Path appconfdir, boolean overwrite) Persist this
void	propagateFilename()
void	propagatePrincipals() Propagate any critical principals from the current site config down to the HBase one.
void	setImageDetailsIfAvailable(org.apache.hadoop.fs.Path appImage, String appHomeDir) Set up the image/app home path
void	setQueue(String queue) Set the queue used to start the application
void	takeSnapshotOfConfDir(org.apache.hadoop.fs.Path appconfdir)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

InstanceBuilder

public InstanceBuilder(CoreFileSystem coreFileSystem,
               org.apache.hadoop.conf.Configuration conf,
               String clustername)

Method Detail

getInstanceDescription

public AggregateConf getInstanceDescription()

getInstancePaths

public InstancePaths getInstancePaths()

toString

public String toString()

Overrides:

toString in class Object

init

public void init(String provider,
        AggregateConf instanceConf)

Initial part of the build process

Parameters:

instanceConf -

provider -

setQueue

public void setQueue(String queue)
              throws BadConfigException

Set the queue used to start the application

Parameters:

queue -

Throws:

BadConfigException

setImageDetailsIfAvailable

public void setImageDetailsIfAvailable(org.apache.hadoop.fs.Path appImage,
                              String appHomeDir)
                                throws BadConfigException

Set up the image/app home path

Parameters:

appImage - path in the DFS to the tar file

appHomeDir - other strategy: home dir

Throws:

BadConfigException - if both are found

propagatePrincipals

public void propagatePrincipals()

Propagate any critical principals from the current site config down to the HBase one.

propagateFilename

public void propagateFilename()

takeSnapshotOfConfDir

public void takeSnapshotOfConfDir(org.apache.hadoop.fs.Path appconfdir)
                           throws IOException,
                                  BadConfigException,
                                  BadClusterStateException

Throws:

IOException

BadConfigException

BadClusterStateException

persist

public void persist(org.apache.hadoop.fs.Path appconfdir,
           boolean overwrite)
             throws IOException,
                    SliderException,
                    LockAcquireFailedException

Persist this

Parameters:

appconfdir - conf dir

overwrite - if true, we don't need to create cluster dir

Throws:

IOException

SliderException

LockAcquireFailedException

addZKBinding

public void addZKBinding(ZKPathBuilder zkBinding)
                  throws BadConfigException

Add the ZK paths to the application options.

Parameters:

zkBinding - ZK binding

Throws:

BadConfigException