The cinder.volume.drivers.nexenta.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 - Auto sharing for enclosing folder.
1.1.1 - Added caching for NexentaStor appliance 'volroot' value.
1.1.2 - Ignore "folder does not exist" error in delete_volume and
        delete_snapshot method.
1.1.3 - Redefined volume_backend_name attribute inherited from
        RemoteFsDriver.
1.2.0 - Added migrate and retype methods.
1.3.0 - Extend volume method.
1.3.1 - Cache capacity info and check shared folders on setup.

CI_WIKI_NAME = ‘Nexenta_CI’¶

VERSION = ‘1.3.1’¶

VOLUME_FILE_NAME = ‘volume’¶

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_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

migrate_volume(ctxt, volume, host)¶

Migrate if volume and host are managed by Nexenta appliance.

Parameters:	ctxt – context volume – a dictionary describing the volume to migrate host – a dictionary describing the host to migrate to

remote_path(volume)¶

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

Parameters:	volume – volume reference

retype(context, volume, new_type, diff, host)¶

Convert the volume to be of the new type.

Parameters:	context – Context volume – A dictionary describing the volume to migrate new_type – A dictionary describing the volume type to convert to diff – A dictionary with the difference between the two types host – A dictionary describing the host to migrate to, where host[‘host’] is its name, and host[‘capabilities’] is a dictionary of its reported capabilities.

volume_backend_name = ‘NexentaNfsDriver’¶