flumotion.worker.worker.WorkerBrain

Package flumotion :: Package worker :: Module worker :: Class WorkerBrain

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Class WorkerBrain

Loggable --+
           |
          WorkerBrain

I am the main object in the worker process, managing jobs and everything related. I live in the main worker process.

Method Summary
	`__init__(self, options)`
	`callRemote(self, methodName, args, *kwargs)`
`twisted.internet.defer.Deferred`	`deferredCreate(self, avatarId)` Create and register a deferred for creating the given component.
	`deferredCreateFailed(self, avatarId, exception)` Notify the caller that a create has failed, and remove the create from the list of pending creates.
	`deferredCreateRegistered(self, avatarId)` Check if a deferred create has been registered for the given avatarId.
	`deferredCreateTrigger(self, avatarId)` Trigger a previously registered deferred for creating up the given component.
	`error(self, message)`
	`installSIGTERMHandler(self)` Install our own signal handler for SIGTERM.
	`login(self, keycard)`
	`teardown(self)` Clean up after setup()
	`_setupJobServerFactory(self)`
	`_SIGTERMHandler(self, signum, frame)`
Inherited from Loggable
	`debug(self, *args)` Log a debug message.
	`info(self, *args)` Log an informational message.
	`log(self, *args)` Log a log message.
	`logFunction(self, message)` Overridable log function.
	`logObjectName(self)` Overridable object name function.
	`warning(self, *args)` Log a warning.
	`warningFailure(self, failure)` Log a warning about a Failure.

Instance Variable Summary
`JobHeaven`	`jobHeaven`:
`flumotion.common.keycards.Keycard`	`keycard`: the keycard the worker used to log in to the manager
`Kindergarten`	`kindergarten`:
`WorkerMedium`	`medium`:
`WorkerClientFactory`	`workerClientFactory`:

Class Variable Summary
`str`	`logCategory`: Implementors can provide a category to log their messages under.

Method Details

init(self, options)
(Constructor)

Parameters:: options - the optparsed dictionary of command-line options
(type=an object with attributes)

deferredCreate(self, avatarId)

Create and register a deferred for creating the given component. This deferred will be fired when the JobAvatar has instructed the job to create the component.

Returns:: twisted.internet.defer.Deferred

deferredCreateFailed(self, avatarId, exception)

Notify the caller that a create has failed, and remove the create from the list of pending creates.

deferredCreateRegistered(self, avatarId)

Check if a deferred create has been registered for the given avatarId.

deferredCreateTrigger(self, avatarId)

Trigger a previously registered deferred for creating up the given component.

installSIGTERMHandler(self)

Install our own signal handler for SIGTERM. This will call the currently installed one first, then shut down jobs.

teardown(self)

Clean up after setup()

Returns:: a twisted.internet.defer.Deferred that fires when the teardown is completed

Instance Variable Details

jobHeaven

Type:: JobHeaven

keycard

the keycard the worker used to log in to the manager

Type:: flumotion.common.keycards.Keycard

Class Variable Details

logCategory

Implementors can provide a category to log their messages under.

Type:: str
Value:: 'workerbrain'

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