def _terminate_connection(self, volume, connector):
"""Disconnect the specified volume from the server."""
try:
self.terminate_connection(volume, connector)
except exception.VSPError:
utils.output_log(MSG.UNMAP_LDEV_FAILED,
ldev=utils.get_ldev(volume))
def terminate_connection(self, volume, connector):
"""Terminate connection between the server and the volume."""
targets = {
'info': {},
'list': [],
'iqns': {},
}
mapped_targets = {
'list': [],
}
unmap_targets = {}
ldev = utils.get_ldev(volume)
if ldev is None:
utils.output_log(MSG.INVALID_LDEV_FOR_UNMAPPING,
volume_id=volume['id'])
return
self.find_targets_from_storage(targets, connector,
self.storage_info['ports'])
if not targets['list']:
utils.output_log(MSG.NO_CONNECTED_TARGET)
self.find_mapped_targets_from_storage(
mapped_targets, ldev, self.storage_info['ports'])
unmap_targets['list'] = self.get_unmap_targets_list(
targets['list'], mapped_targets['list'])
unmap_targets['list'].sort(reverse=True)
self.unmap_ldev(unmap_targets, ldev)
if self.storage_info['protocol'] == 'FC':
target_wwn = [
self.storage_info['wwns'][port_gid[:utils.PORT_ID_LENGTH]]
for port_gid in unmap_targets['list']]
return {'driver_volume_type': self.driver_info['volume_type'],
'data': {'target_wwn': target_wwn}}
def create_cloned_volume(self, volume, src_vref):
"""Create a clone of the specified volume and return its properties."""
ldev = utils.get_ldev(src_vref)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is not None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_VOLUME_COPY,
type='volume', id=src_vref['id'])
raise exception.VSPError(msg)
size = volume['size']
metadata = utils.get_volume_metadata(volume)
if size < src_vref['size']:
msg = utils.output_log(MSG.INVALID_VOLUME_SIZE_FOR_COPY,
type='volume', volume_id=volume['id'])
raise exception.VSPError(msg)
elif (size > src_vref['size'] and not self.check_vvol(ldev) and
self.get_copy_method(metadata) == "THIN"):
msg = utils.output_log(MSG.INVALID_VOLUME_SIZE_FOR_TI,
copy_method=utils.THIN, type='volume',
volume_id=volume['id'])
raise exception.VSPError(msg)
sync = size > src_vref['size']
new_ldev = self._copy_ldev(ldev, src_vref['size'], metadata, sync)
if sync:
self.delete_pair(new_ldev)
self.extend_ldev(new_ldev, src_vref['size'], size)
return {
'provider_location': six.text_type(new_ldev),
}
def _terminate_connection(self, volume, connector):
"""Disconnect the specified volume from the server."""
try:
self.terminate_connection(volume, connector)
except exception.VSPError:
utils.output_log(MSG.UNMAP_LDEV_FAILED,
ldev=utils.get_ldev(volume))
def terminate_connection(self, volume, connector):
"""Terminate connection between the server and the volume."""
targets = {
'info': {},
'list': [],
'iqns': {},
}
mapped_targets = {
'list': [],
}
unmap_targets = {}
ldev = utils.get_ldev(volume)
if ldev is None:
utils.output_log(MSG.INVALID_LDEV_FOR_UNMAPPING,
volume_id=volume['id'])
return
self.find_targets_from_storage(targets, connector,
self.storage_info['ports'])
if not targets['list']:
utils.output_log(MSG.NO_CONNECTED_TARGET)
self.find_mapped_targets_from_storage(
mapped_targets, ldev, self.storage_info['ports'])
unmap_targets['list'] = self.get_unmap_targets_list(
targets['list'], mapped_targets['list'])
unmap_targets['list'].sort(reverse=True)
self.unmap_ldev(unmap_targets, ldev)
if self.storage_info['protocol'] == 'FC':
target_wwn = [
self.storage_info['wwns'][port_gid[:utils.PORT_ID_LENGTH]]
for port_gid in unmap_targets['list']]
return {'driver_volume_type': self.driver_info['volume_type'],
'data': {'target_wwn': target_wwn}}
def create_cloned_volume(self, volume, src_vref):
"""Create a clone of the specified volume and return its properties."""
ldev = utils.get_ldev(src_vref)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is not None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_VOLUME_COPY,
type='volume',
id=src_vref['id'])
raise exception.VSPError(msg)
size = volume['size']
metadata = utils.get_volume_metadata(volume)
if size < src_vref['size']:
msg = utils.output_log(MSG.INVALID_VOLUME_SIZE_FOR_COPY,
type='volume',
volume_id=volume['id'])
raise exception.VSPError(msg)
elif (size > src_vref['size'] and not self.check_vvol(ldev)
and self.get_copy_method(metadata) == "THIN"):
msg = utils.output_log(MSG.INVALID_VOLUME_SIZE_FOR_TI,
copy_method=utils.THIN,
type='volume',
volume_id=volume['id'])
raise exception.VSPError(msg)
sync = size > src_vref['size']
new_ldev = self._copy_ldev(ldev, src_vref['size'], metadata, sync)
if sync:
self.delete_pair(new_ldev)
self.extend_ldev(new_ldev, src_vref['size'], size)
return {
'provider_location': six.text_type(new_ldev),
}
def initialize_connection(self, volume, connector):
"""Initialize connection between the server and the volume."""
targets = {
'info': {},
'list': [],
'lun': {},
'iqns': {},
}
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_CONNECTION,
volume_id=volume['id'])
raise exception.VSPError(msg)
if (self.find_targets_from_storage(
targets, connector, self.storage_info['ports']) and
self.conf.vsp_group_request):
self.create_mapping_targets(targets, connector)
utils.require_target_existed(targets)
targets['list'].sort()
for port in self.storage_info['ports']:
targets['lun'][port] = False
target_lun = int(self.map_ldev(targets, ldev))
return {
'driver_volume_type': self.driver_info['volume_type'],
'data': self.get_properties(targets, connector, target_lun),
}
def initialize_connection(self, volume, connector):
"""Initialize connection between the server and the volume."""
targets = {
'info': {},
'list': [],
'lun': {},
'iqns': {},
}
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_CONNECTION,
volume_id=volume['id'])
raise exception.VSPError(msg)
if (self.find_targets_from_storage(targets, connector,
self.storage_info['ports'])
and self.conf.vsp_group_request):
self.create_mapping_targets(targets, connector)
utils.require_target_existed(targets)
targets['list'].sort()
for port in self.storage_info['ports']:
targets['lun'][port] = False
target_lun = int(self.map_ldev(targets, ldev))
return {
'driver_volume_type': self.driver_info['volume_type'],
'data': self.get_properties(targets, connector, target_lun),
}
def delete_volume(self, volume):
"""Delete the specified volume."""
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is not None'.
if ldev is None:
utils.output_log(MSG.INVALID_LDEV_FOR_DELETION,
method='delete_volume', id=volume['id'])
return
try:
self._delete_ldev(ldev)
except exception.VSPBusy:
raise exception.VolumeIsBusy(volume_name=volume['name'])
def delete_volume(self, volume):
"""Delete the specified volume."""
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is not None'.
if ldev is None:
utils.output_log(MSG.INVALID_LDEV_FOR_DELETION,
method='delete_volume', id=volume['id'])
return
try:
self._delete_ldev(ldev)
except exception.VSPBusy:
raise exception.VolumeIsBusy(volume_name=volume['name'])
def delete_snapshot(self, snapshot):
"""Delete the specified snapshot."""
ldev = utils.get_ldev(snapshot)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
utils.output_log(MSG.INVALID_LDEV_FOR_DELETION,
method='delete_snapshot',
id=snapshot['id'])
return
try:
self._delete_ldev(ldev)
except exception.VSPBusy:
raise exception.SnapshotIsBusy(snapshot_name=snapshot['name'])
def delete_snapshot(self, snapshot):
"""Delete the specified snapshot."""
ldev = utils.get_ldev(snapshot)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
utils.output_log(
MSG.INVALID_LDEV_FOR_DELETION, method='delete_snapshot',
id=snapshot['id'])
return
try:
self._delete_ldev(ldev)
except exception.VSPBusy:
raise exception.SnapshotIsBusy(snapshot_name=snapshot['name'])
def extend_volume(self, volume, new_size):
"""Extend the specified volume to the specified size."""
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_EXTENSION,
volume_id=volume['id'])
raise exception.VSPError(msg)
if self.check_vvol(ldev):
msg = utils.output_log(MSG.INVALID_VOLUME_TYPE_FOR_EXTEND,
volume_id=volume['id'])
raise exception.VSPError(msg)
self.delete_pair(ldev)
self.extend_ldev(ldev, volume['size'], new_size)
def extend_volume(self, volume, new_size):
"""Extend the specified volume to the specified size."""
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_EXTENSION,
volume_id=volume['id'])
raise exception.VSPError(msg)
if self.check_vvol(ldev):
msg = utils.output_log(MSG.INVALID_VOLUME_TYPE_FOR_EXTEND,
volume_id=volume['id'])
raise exception.VSPError(msg)
self.delete_pair(ldev)
self.extend_ldev(ldev, volume['size'], new_size)
def create_snapshot(self, snapshot):
"""Create a snapshot from a volume and return its properties."""
src_vref = snapshot.volume
ldev = utils.get_ldev(src_vref)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_VOLUME_COPY,
type='volume', id=src_vref['id'])
raise exception.VSPError(msg)
size = snapshot['volume_size']
metadata = utils.get_volume_metadata(src_vref)
new_ldev = self._copy_ldev(ldev, size, metadata)
return {
'provider_location': six.text_type(new_ldev),
}
def create_snapshot(self, snapshot):
"""Create a snapshot from a volume and return its properties."""
src_vref = snapshot.volume
ldev = utils.get_ldev(src_vref)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
msg = utils.output_log(MSG.INVALID_LDEV_FOR_VOLUME_COPY,
type='volume', id=src_vref['id'])
raise exception.VSPError(msg)
size = snapshot['volume_size']
metadata = utils.get_volume_metadata(src_vref)
new_ldev = self._copy_ldev(ldev, size, metadata)
return {
'provider_location': six.text_type(new_ldev),
}
def unmanage(self, volume):
"""Prepare the volume for removing it from Cinder management."""
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
utils.output_log(MSG.INVALID_LDEV_FOR_DELETION, method='unmanage',
id=volume['id'])
return
if self.check_vvol(ldev):
utils.output_log(
MSG.INVALID_LDEV_TYPE_FOR_UNMANAGE, volume_id=volume['id'],
volume_type=utils.NORMAL_LDEV_TYPE)
raise exception.VolumeIsBusy(volume_name=volume['name'])
try:
self.delete_pair(ldev)
except exception.VSPBusy:
raise exception.VolumeIsBusy(volume_name=volume['name'])
def unmanage(self, volume):
"""Prepare the volume for removing it from Cinder management."""
ldev = utils.get_ldev(volume)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
utils.output_log(MSG.INVALID_LDEV_FOR_DELETION, method='unmanage',
id=volume['id'])
return
if self.check_vvol(ldev):
utils.output_log(
MSG.INVALID_LDEV_TYPE_FOR_UNMANAGE, volume_id=volume['id'],
volume_type=utils.NORMAL_LDEV_TYPE)
raise exception.VolumeIsBusy(volume_name=volume['name'])
try:
self.delete_pair(ldev)
except exception.VSPBusy:
raise exception.VolumeIsBusy(volume_name=volume['name'])