com.spotify.helios.agent

Class TaskMonitor

java.lang.Object

com.spotify.helios.agent.TaskMonitor

All Implemented Interfaces:

TaskRunner.Listener, Closeable, AutoCloseable

public class TaskMonitor
extends Object
implements TaskRunner.Listener, Closeable

A monitor for TaskRunner, processing events into observations about the health of a task, e.g. whether it's flapping etc. This information is published using the StatusUpdater and a ThrottleState is made available for supervisors to act on.

Constructor Summary

Constructors

Constructor and Description
TaskMonitor(com.spotify.helios.common.descriptors.JobId jobId, FlapController flapController, StatusUpdater statusUpdater)

Method Summary

Modifier and Type	Method and Description
void	close()
void	created(String containerId)
void	creating()
void	exited(int code)
void	failed(Throwable th, String containerError)
void	healthChecking()
void	pulled()
void	pullFailed()
void	pulling()
void	running()
void	started()
void	starting()
com.spotify.helios.common.descriptors.ThrottleState	throttle() Get the current task throttle as derived from task runner events.

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskMonitor

public TaskMonitor(com.spotify.helios.common.descriptors.JobId jobId,
                   FlapController flapController,
                   StatusUpdater statusUpdater)

Method Detail

throttle

public com.spotify.helios.common.descriptors.ThrottleState throttle()

Get the current task throttle as derived from task runner events.

Returns:

The throttle state.

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

failed

public void failed(Throwable th,
                   String containerError)

Specified by:

failed in interface TaskRunner.Listener

pulling

public void pulling()

Specified by:

pulling in interface TaskRunner.Listener

pulled

public void pulled()

Specified by:

pulled in interface TaskRunner.Listener

pullFailed

public void pullFailed()

Specified by:

pullFailed in interface TaskRunner.Listener

creating

public void creating()

Specified by:

creating in interface TaskRunner.Listener

created

public void created(String containerId)

Specified by:

created in interface TaskRunner.Listener

starting

public void starting()

Specified by:

starting in interface TaskRunner.Listener

started

public void started()

Specified by:

started in interface TaskRunner.Listener

healthChecking

public void healthChecking()

Specified by:

healthChecking in interface TaskRunner.Listener

running

public void running()

Specified by:

running in interface TaskRunner.Listener

exited

public void exited(int code)

Specified by:

exited in interface TaskRunner.Listener