ironic.drivers.modules.storage.external module

class ironic.drivers.modules.storage.external.ExternalStorage(*args, **kwargs)

Bases: StorageInterface

Externally driven Storage Interface.

attach_volumes(task)

Informs the storage subsystem to attach all volumes for the node.

Parameters:

task – A TaskManager instance.

Raises:

UnsupportedDriverExtension

detach_volumes(task)

Informs the storage subsystem to detach all volumes for the node.

Parameters:

task – A TaskManager instance.

Raises:

UnsupportedDriverExtension

get_properties()

Return the properties of the interface.

Returns:

dictionary of <property name>:<property description> entries.

should_write_image(task)

Determines if deploy should perform the image write-out.

This enables the user to define a volume and Ironic understand that the image may already exist and we may be booting to that volume.

Parameters:

task – The task object.

Returns:

True if the deployment write-out process should be executed.

validate(task)

Validate the driver-specific Node deployment info.

This method validates whether the ‘driver_info’ and/or ‘instance_info’ properties of the task’s node contains the required information for this interface to function.

This method is often executed synchronously in API requests, so it should not conduct long-running checks.

Parameters:

task – A TaskManager instance containing the node to act on.

Raises:

InvalidParameterValue on malformed parameter(s)

Raises:

MissingParameterValue on missing parameter(s)