Documentation Virtualization Abstraction Layer (VAL)

class motey.val.valmanager.VALManager(logger, labeling_repository, plugin_manager)

Manger for all the virtual abstraction layer plugins. Loads the plugins and wrapps the commands.

close()

Will clean up the VALManager. At first it will remove the label from the labeling engine and afterwards all the deactivate method for each plugin will be executed.

instantiate(image, plugin_type)

Instantiate an image.

Parameters:

• image (motey.models.image.Image) – the image which should be executed
• plugin_type (str) – Will only be executed with the given plugin

Returns:

the image id of the instantiated image

register_plugins()

Register all the available plugins. A plugin has to be located under motey/val/plugins. After all the available plugins are loaded, the activate method of the plugin will be executed and a label with the related plugin type will be added to the labeling engine.

start()

Starts the VALManager and register all the available plugins.

terminate(instance_name, plugin_type)

Terminate a running instance.

Parameters:

• instance_name (str) – the name of the instance
• plugin_type (str) – The instance will only be terminated for the given plugin