org.apache.storm.daemon.supervisor

Class BasicContainerLauncher

java.lang.Object

org.apache.storm.daemon.supervisor.ContainerLauncher

org.apache.storm.daemon.supervisor.BasicContainerLauncher

public class BasicContainerLauncher
extends ContainerLauncher

Launch containers with no security using standard java commands.

Field Summary

Fields

Modifier and Type	Field and Description
protected ResourceIsolationInterface	resourceIsolationManager

Constructor Summary

Constructors

Constructor and Description
BasicContainerLauncher(Map<String,Object> conf, String supervisorId, int supervisorPort, ResourceIsolationInterface resourceIsolationManager, StormMetricsRegistry metricsRegistry, ContainerMemoryTracker containerMemoryTracker)

Method Summary

Modifier and Type	Method and Description
Container	launchContainer(int port, LocalAssignment assignment, LocalState state) Launch a container in a given slot.
Container	recoverContainer(int port, LocalAssignment assignment, LocalState state) Recover a container for a running process.
Killable	recoverContainer(String workerId, LocalState localState) Try to recover a container using just the worker ID. The result is really only useful for killing the container and so is returning a Killable.

Methods inherited from class org.apache.storm.daemon.supervisor.ContainerLauncher

make

Methods inherited from class java.lang.Object

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

Field Detail

resourceIsolationManager

protected final ResourceIsolationInterface resourceIsolationManager

Constructor Detail

BasicContainerLauncher

public BasicContainerLauncher(Map<String,Object> conf,
                              String supervisorId,
                              int supervisorPort,
                              ResourceIsolationInterface resourceIsolationManager,
                              StormMetricsRegistry metricsRegistry,
                              ContainerMemoryTracker containerMemoryTracker)
                       throws IOException

Throws:

IOException

Method Detail

launchContainer

public Container launchContainer(int port,
                                 LocalAssignment assignment,
                                 LocalState state)
                          throws IOException

Description copied from class: ContainerLauncher

Launch a container in a given slot.

Specified by:

launchContainer in class ContainerLauncher

Parameters:

port - the port to run this on

assignment - what to launch

state - the current state of the supervisor

Returns:

The container that can be used to manager the processes.

Throws:

IOException - on any error

recoverContainer

public Container recoverContainer(int port,
                                  LocalAssignment assignment,
                                  LocalState state)
                           throws IOException

Description copied from class: ContainerLauncher

Recover a container for a running process.

Specified by:

recoverContainer in class ContainerLauncher

Parameters:

port - the port the assignment is running on

assignment - the assignment that was launched

state - the current state of the supervisor

Returns:

The container that can be used to manage the processes.

Throws:

IOException - on any error

recoverContainer

public Killable recoverContainer(String workerId,
                                 LocalState localState)
                          throws IOException

Description copied from class: ContainerLauncher

Try to recover a container using just the worker ID.
The result is really only useful for killing the container and so is returning a Killable. Even if a Container is returned do not case the result to Container because only the Killable APIs are guaranteed to work.

Specified by:

recoverContainer in class ContainerLauncher

Parameters:

workerId - the id of the worker to use

localState - the state of the running supervisor

Returns:

a Killable that can be used to kill the underlying container.

Throws:

IOException - on any error