def create_volume_from_snapshot(self, volume, snapshot):
"""Creates a volume from snapshot."""
LOG.info('iXsystems Craete Volume From Snapshot')
LOG.info('create_volume_from_snapshot %s', snapshot['name'])
existing_vol = ix_utils.generate_freenas_volume_name(
snapshot['volume_name'], self.configuration.ixsystems_iqn_prefix)
freenas_snapshot = ix_utils.generate_freenas_snapshot_name(
snapshot['name'], self.configuration.ixsystems_iqn_prefix)
freenas_volume = ix_utils.generate_freenas_volume_name(
volume['name'], self.configuration.ixsystems_iqn_prefix)
freenas_volume['size'] = volume['size']
freenas_volume['target_size'] = volume['size']
self.common._create_volume_from_snapshot(freenas_volume['name'],
freenas_snapshot['name'],
existing_vol['name'])
self.common._create_iscsitarget(freenas_volume['target'],
freenas_volume['name'])
def delete_snapshot(self, snapshot):
"""Driver entry point for deleting a snapshot."""
LOG.info('iXsystems Delete Snapshot')
LOG.debug('delete_snapshot %s', snapshot['name'])
freenas_snapshot = ix_utils.generate_freenas_snapshot_name(
snapshot['name'], self.configuration.ixsystems_iqn_prefix)
freenas_volume = ix_utils.generate_freenas_volume_name(
snapshot['volume_name'], self.configuration.ixsystems_iqn_prefix)
self.common._delete_snapshot(freenas_snapshot['name'],
freenas_volume['name'])
def extend_volume(self, volume, new_size):
"""Driver entry point to extend an existing volumes size."""
LOG.info('iXsystems Extent Volume')
LOG.info('extend_volume %s', volume['name'])
freenas_volume = ix_utils.generate_freenas_volume_name(
volume['name'], self.configuration.ixsystems_iqn_prefix)
freenas_new_size = new_size
if volume['size'] != freenas_new_size:
self.common._extend_volume(freenas_volume['name'],
freenas_new_size)
def delete_volume(self, volume):
"""Deletes volume and corresponding iscsi target."""
LOG.info('iXsystems Delete Volume')
LOG.debug('delete_volume %s', volume['name'])
freenas_volume = ix_utils.generate_freenas_volume_name(
volume['name'], self.configuration.ixsystems_iqn_prefix)
if freenas_volume['target']:
self.common._delete_iscsitarget(freenas_volume['target'])
if freenas_volume['name']:
self.common._delete_volume(freenas_volume['name'])
def _create_export(self, volume_name):
freenas_volume = ix_utils.generate_freenas_volume_name(volume_name, self.configuration.ixsystems_iqn_prefix)
if freenas_volume is None:
LOG.error(_('Error in exporting FREENAS volume!'))
handle = None
else:
handle = "%s:%s,%s %s" % \
(self.configuration.ixsystems_server_hostname,
self.configuration.ixsystems_server_iscsi_port,
freenas_volume['target'],
freenas_volume['iqn'])
LOG.debug('provider_location: %s', handle)
return handle
def create_volume(self, volume):
"""Creates a volume of specified size and export it as iscsi target."""
LOG.info('iXsystems Create Volume')
LOG.debug('create_volume : volume name :: %s', volume['name'])
freenas_volume = ix_utils.generate_freenas_volume_name(
volume['name'], self.configuration.ixsystems_iqn_prefix)
LOG.debug('volume name after freenas generate : %s',
json.dumps(freenas_volume))
freenas_volume['size'] = volume['size']
freenas_volume['target_size'] = volume['size']
self.common._create_volume(freenas_volume['name'],
freenas_volume['size'])
#Remove LUN Creation from here,check at initi
self.common._create_iscsitarget(freenas_volume['target'],
freenas_volume['name'])
def initialize_connection(self, volume, connector):
"""Driver entry point to attach a volume to an instance."""
LOG.info('iXsystems Initialise Connection')
freenas_volume = ix_utils.generate_freenas_volume_name(
volume['name'], self.configuration.ixsystems_iqn_prefix)
if not freenas_volume['name']:
# is this snapshot?
freenas_volume = ix_utils.generate_freenas_snapshot_name(
volume['name'], self.configuration.ixsystems_iqn_prefix)
LOG.info('initialize_connection Entry: %s \t %s', volume['name'],
connector['host'])
properties = {}
properties['target_discovered'] = False
properties['target_portal'] = ix_utils.get_iscsi_portal(
self.configuration.ixsystems_server_hostname,
self.configuration.ixsystems_server_iscsi_port)
properties['target_iqn'] = freenas_volume['iqn']
properties['volume_id'] = volume['id']
LOG.debug('initialize_connection data: %s', properties)
return {'driver_volume_type': 'iscsi', 'data': properties}
