Other models

Environment related

class uds.models.Cache(*args, **kwargs)

Bases: django.db.models.base.Model

General caching model. This model is managed via uds.core.util.Cache.Cache class

static cleanUp()

Purges the cache items that are no longer vaild.

class uds.models.Storage(*args, **kwargs)

Bases: django.db.models.base.Model

General storage model. Used to store specific instances (transport, service, servicemanager, ...) persinstent information not intended to be serialized/deserialized everytime one object instance is loaded/saved.

class uds.models.UniqueId(*args, **kwargs)

Bases: django.db.models.base.Model

Unique ID Database. Used to store unique names, unique macs, etc... Managed via uds.core.util.UniqueIDGenerator.UniqueIDGenerator

Module related

class uds.models.Config(*args, **kwargs)

Bases: django.db.models.base.Model

General configuration values model. Used to store global and specific modules configuration values. This model is managed via uds.core.util.Config.Config class

Scheduling and background workers related

class uds.models.Scheduler(*args, **kwargs)

Bases: django.db.models.base.Model

Class that contains scheduled tasks.

The scheduled task are keep at database so: * We can access them from any host * We have a persistence for them

The Scheduler contains jobs, that are clases that manages the job. Jobs are not serialized/deserialized, they are just Task delegated to certain clases.

In order for a task to work, it must first register itself for “names” that that class handles using the JobsFactory

static beforeDelete(sender, **kwargs)

Used to remove environment for sheduled task

getEnvironment()

Returns an environment valid for the record this object represents

getInstance()

Returns an instance of the class that this record of the Scheduler represents. This clas is derived of uds.core.jobs.Job.Job

class uds.models.DelayedTask(*args, **kwargs)

Bases: django.db.models.base.Model

A delayed task is a kind of scheduled task. It’s a task that has more than is executed at a delay specified at record. This is, for example, for publications, service preparations, etc...

The delayed task is different from scheduler in the fact that they are “one shot”, meaning this that when the specified delay is reached, the task is executed and the record is removed from the table.

This table contains uds.core.util.jobs.DelayedTask references