The cinder.volume.drivers.nexenta.nfs
Module¶
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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.
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CI_WIKI_NAME
= ‘Nexenta_CI’¶
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VERSION
= ‘1.3.1’¶
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VOLUME_FILE_NAME
= ‘volume’¶
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backend_name
¶
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check_for_setup_error
()¶ Verify that the volume for our folder exists.
Raise: LookupError
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create_cloned_volume
(volume, src_vref)¶ Creates a clone of the specified volume.
Parameters: - volume – new volume reference
- src_vref – source volume reference
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create_snapshot
(snapshot)¶ Creates a snapshot.
Parameters: snapshot – snapshot reference
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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
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delete_snapshot
(snapshot)¶ Deletes a snapshot.
Parameters: snapshot – snapshot reference
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delete_volume
(volume)¶ Deletes a logical volume.
Parameters: volume – volume reference
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do_setup
(context)¶
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driver_prefix
= ‘nexenta’¶
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extend_volume
(volume, new_size)¶ Extend an existing volume.
Parameters: - volume – volume reference
- new_size – volume new size in GB
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initialize_connection
(volume, connector)¶ Allow connection to connector and return connection info.
Parameters: - volume – volume reference
- connector – connector reference
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local_path
(volume)¶ Get volume path (mounted locally fs path) for given volume.
Parameters: volume – volume reference
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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
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remote_path
(volume)¶ Get volume path (mounted remotely fs path) for given volume.
Parameters: volume – volume reference
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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.
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volume_backend_name
= ‘NexentaNfsDriver’¶
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