The cinder.volume.drivers.nexenta.ns5.nfs Module

class NexentaNfsDriver(*args, **kwargs)

Bases: cinder.volume.drivers.nfs.NfsDriver

Executes volume driver commands on Nexenta Appliance.

Version history:

1.0.0 - Initial driver version. 1.1.0 - Added HTTPS support.

Added use of sessions for REST calls.

1.2.0 - Support for extend volume.

Support for extending the volume in create_volume_from_snapshot if the size of new volume is larger than original volume size.

CI_WIKI_NAME = 'Nexenta_CI'

VERSION = '1.2.0'

backend_name

check_for_setup_error()

Verify that the volume for our folder exists.

Raise:LookupError

create_cloned_volume(volume, src_vref)

Creates a clone of the specified volume.

Parameters:

• volume – new volume reference
• src_vref – source volume reference

create_snapshot(snapshot)

Creates a snapshot.

Parameters:snapshot – snapshot reference

create_volume(volume)

Creates a volume.

Parameters:volume – volume reference Returns:provider_location update dict for database

create_volume_from_snapshot(volume, snapshot)

Create new volume from other’s snapshot on appliance.

Parameters:

• volume – reference of volume to be created
• snapshot – reference of source snapshot

delete_snapshot(snapshot)

Deletes a snapshot.

Parameters:snapshot – snapshot reference

delete_volume(volume)

Deletes a logical volume.

Parameters:volume – volume reference

do_setup(context)

driver_prefix = 'nexenta'

extend_volume(volume, new_size)

Extend an existing volume.

Parameters:

• volume – volume reference
• new_size – volume new size in GB

initialize_connection(volume, connector)

Allow connection to connector and return connection info.

Parameters:

• volume – volume reference
• connector – connector reference

local_path(volume)

Get volume path (mounted locally fs path) for given volume.

Parameters:volume – volume reference

volume_backend_name = 'NexentaNfsDriver'