def connect_storage(self):
"""Prepare for using the storage."""
target_ports = self.conf.vsp_target_ports
compute_target_ports = self.conf.vsp_compute_target_ports
pair_target_ports = self.conf.vsp_horcm_pair_target_ports
super(VSPHORCMISCSI, self).connect_storage()
result = self.run_raidcom('get', 'port')
for port in _ISCSI_PORT_PATTERN.findall(result[1]):
if (target_ports and port in target_ports
and self._set_target_portal(port)):
self.storage_info['controller_ports'].append(port)
if (compute_target_ports and port in compute_target_ports
and (port in self.storage_info['portals']
or self._set_target_portal(port))):
self.storage_info['compute_ports'].append(port)
if pair_target_ports and port in pair_target_ports:
self.storage_info['pair_ports'].append(port)
self.check_ports_info()
if pair_target_ports and not self.storage_info['pair_ports']:
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource="Pair target ports")
raise exception.VSPError(msg)
utils.output_log(MSG.SET_CONFIG_VALUE,
object='pair target port list',
value=self.storage_info['pair_ports'])
utils.output_log(MSG.SET_CONFIG_VALUE,
object='port-<IP address:port> list',
value=self.storage_info['portals'])
def check_param(self):
"""Check parameter values and consistency among them."""
utils.check_opt_value(self.conf, _INHERITED_VOLUME_OPTS)
utils.check_opts(self.conf, common_opts)
utils.check_opts(self.conf, self.driver_info['volume_opts'])
if (self.conf.vsp_default_copy_method == 'THIN' and
not self.conf.vsp_thin_pool):
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_thin_pool')
raise exception.VSPError(msg)
if self.conf.vsp_ldev_range:
self.storage_info['ldev_range'] = self._range2list(
'vsp_ldev_range')
if (not self.conf.vsp_target_ports and
not self.conf.vsp_compute_target_ports):
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_target_ports or '
'vsp_compute_target_ports')
raise exception.VSPError(msg)
for opt in _REQUIRED_COMMON_OPTS:
if not self.conf.safe_get(opt):
msg = utils.output_log(MSG.INVALID_PARAMETER, param=opt)
raise exception.VSPError(msg)
if self.storage_info['protocol'] == 'iSCSI':
self.check_param_iscsi()
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 check_param(self):
"""Check parameter values and consistency among them."""
utils.check_opt_value(self.conf, _INHERITED_VOLUME_OPTS)
utils.check_opts(self.conf, common_opts)
utils.check_opts(self.conf, self.driver_info['volume_opts'])
if (self.conf.vsp_default_copy_method == 'THIN'
and not self.conf.vsp_thin_pool):
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_thin_pool')
raise exception.VSPError(msg)
if self.conf.vsp_ldev_range:
self.storage_info['ldev_range'] = self._range2list(
'vsp_ldev_range')
if (not self.conf.vsp_target_ports
and not self.conf.vsp_compute_target_ports):
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_target_ports or '
'vsp_compute_target_ports')
raise exception.VSPError(msg)
for opt in _REQUIRED_COMMON_OPTS:
if not self.conf.safe_get(opt):
msg = utils.output_log(MSG.INVALID_PARAMETER, param=opt)
raise exception.VSPError(msg)
if self.storage_info['protocol'] == 'iSCSI':
self.check_param_iscsi()
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 connect_storage(self):
"""Prepare for using the storage."""
target_ports = self.conf.vsp_target_ports
compute_target_ports = self.conf.vsp_compute_target_ports
pair_target_ports = self.conf.vsp_horcm_pair_target_ports
super(VSPHORCMISCSI, self).connect_storage()
result = self.run_raidcom('get', 'port')
for port in _ISCSI_PORT_PATTERN.findall(result[1]):
if (target_ports and port in target_ports and
self._set_target_portal(port)):
self.storage_info['controller_ports'].append(port)
if (compute_target_ports and port in compute_target_ports and
(port in self.storage_info['portals'] or
self._set_target_portal(port))):
self.storage_info['compute_ports'].append(port)
if pair_target_ports and port in pair_target_ports:
self.storage_info['pair_ports'].append(port)
self.check_ports_info()
if pair_target_ports and not self.storage_info['pair_ports']:
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource="Pair target ports")
raise exception.VSPError(msg)
utils.output_log(MSG.SET_CONFIG_VALUE,
object='pair target port list',
value=self.storage_info['pair_ports'])
utils.output_log(MSG.SET_CONFIG_VALUE,
object='port-<IP address:port> list',
value=self.storage_info['portals'])
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 _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 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 check_ports_info(self):
"""Check if available storage ports exist."""
if (self.conf.vsp_target_ports and not self.storage_info['ports']):
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource="Target ports")
raise exception.VSPError(msg)
utils.output_log(MSG.SET_CONFIG_VALUE,
object='target port list',
value=self.storage_info['ports'])
def output_param_to_log(self):
"""Output configuration parameter values to the log file."""
utils.output_log(MSG.OUTPUT_PARAMETER_VALUES,
config_group=self.conf.config_group)
name, version = self.get_storage_cli_info()
utils.output_storage_cli_info(name, version)
utils.output_opt_info(self.conf, _INHERITED_VOLUME_OPTS)
utils.output_opts(self.conf, common_opts)
utils.output_opts(self.conf, self.driver_info['volume_opts'])
def get_volume_stats(self, refresh=False):
"""Return properties, capabilities and current states of the driver."""
if refresh:
if self.storage_info['output_first']:
self.storage_info['output_first'] = False
utils.output_log(MSG.DRIVER_READY_FOR_USE,
config_group=self.conf.config_group)
self._update_volume_stats()
return self._stats
def get_volume_stats(self, refresh=False):
"""Return properties, capabilities and current states of the driver."""
if refresh:
if self.storage_info['output_first']:
self.storage_info['output_first'] = False
utils.output_log(MSG.DRIVER_READY_FOR_USE,
config_group=self.conf.config_group)
self._update_volume_stats()
return self._stats
def check_ports_info(self):
"""Check if available storage ports exist."""
if (self.conf.vsp_target_ports and
not self.storage_info['ports']):
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource="Target ports")
raise exception.VSPError(msg)
utils.output_log(MSG.SET_CONFIG_VALUE, object='target port list',
value=self.storage_info['ports'])
def output_param_to_log(self):
"""Output configuration parameter values to the log file."""
utils.output_log(MSG.OUTPUT_PARAMETER_VALUES,
config_group=self.conf.config_group)
name, version = self.get_storage_cli_info()
utils.output_storage_cli_info(name, version)
utils.output_opt_info(self.conf, _INHERITED_VOLUME_OPTS)
utils.output_opts(self.conf, common_opts)
utils.output_opts(self.conf, self.driver_info['volume_opts'])
def connect_storage(self):
"""Prepare for using the storage."""
self.storage_info['pool_id'] = self.get_pool_id()
# When 'pool_id' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if self.storage_info['pool_id'] is None:
msg = utils.output_log(MSG.POOL_NOT_FOUND, pool=self.conf.vsp_pool)
raise exception.VSPError(msg)
utils.output_log(MSG.SET_CONFIG_VALUE, object='DP Pool ID',
value=self.storage_info['pool_id'])
def connect_storage(self):
"""Prepare for using the storage."""
self.storage_info['pool_id'] = self.get_pool_id()
# When 'pool_id' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if self.storage_info['pool_id'] is None:
msg = utils.output_log(MSG.POOL_NOT_FOUND, pool=self.conf.vsp_pool)
raise exception.VSPError(msg)
utils.output_log(MSG.SET_CONFIG_VALUE, object='DP Pool ID',
value=self.storage_info['pool_id'])
def create_volume(self, volume):
"""Create a volume and return its properties."""
try:
ldev = self.create_ldev(volume['size'])
except exception.VSPError:
with excutils.save_and_reraise_exception():
utils.output_log(MSG.CREATE_LDEV_FAILED)
return {
'provider_location': six.text_type(ldev),
}
def create_volume(self, volume):
"""Create a volume and return its properties."""
try:
ldev = self.create_ldev(volume['size'])
except exception.VSPError:
with excutils.save_and_reraise_exception():
utils.output_log(MSG.CREATE_LDEV_FAILED)
return {
'provider_location': six.text_type(ldev),
}
def check_param_iscsi(self):
"""Check iSCSI-related parameter values and consistency among them."""
if self.conf.vsp_use_chap_auth:
if not self.conf.vsp_auth_user:
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_auth_user')
raise exception.VSPError(msg)
if not self.conf.vsp_auth_password:
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_auth_password')
raise exception.VSPError(msg)
def __init__(self, *args, **kwargs):
"""Initialize instance variables."""
utils.output_log(MSG.DRIVER_INITIALIZATION_START,
driver=self.__class__.__name__,
version=self.get_version())
super(VSPFCDriver, self).__init__(*args, **kwargs)
self.configuration.append_config_values(common.common_opts)
self.configuration.append_config_values(fc_opts)
self.common = utils.import_object(
self.configuration, _DRIVER_INFO, kwargs.get('db'))
def check_param_iscsi(self):
"""Check iSCSI-related parameter values and consistency among them."""
if self.conf.vsp_use_chap_auth:
if not self.conf.vsp_auth_user:
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_auth_user')
raise exception.VSPError(msg)
if not self.conf.vsp_auth_password:
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_auth_password')
raise exception.VSPError(msg)
def _copy_on_host(self, src_ldev, size):
"""Create a copy of the specified LDEV via host."""
dest_ldev = self.create_ldev(size)
try:
self._copy_with_dd(src_ldev, dest_ldev, size)
except Exception:
with excutils.save_and_reraise_exception():
try:
self._delete_ldev(dest_ldev)
except exception.VSPError:
utils.output_log(MSG.DELETE_LDEV_FAILED, ldev=dest_ldev)
return dest_ldev
def get_copy_method(self, metadata):
"""Return copy method(FULL or THIN)."""
method = metadata.get('copy_method', self.conf.vsp_default_copy_method)
if method not in _COPY_METHOD:
msg = utils.output_log(MSG.INVALID_PARAMETER_VALUE,
meta='copy_method')
raise exception.VSPError(msg)
if method == 'THIN' and not self.conf.vsp_thin_pool:
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_thin_pool')
raise exception.VSPError(msg)
return method
def _copy_on_host(self, src_ldev, size):
"""Create a copy of the specified LDEV via host."""
dest_ldev = self.create_ldev(size)
try:
self._copy_with_dd(src_ldev, dest_ldev, size)
except Exception:
with excutils.save_and_reraise_exception():
try:
self._delete_ldev(dest_ldev)
except exception.VSPError:
utils.output_log(MSG.DELETE_LDEV_FAILED, ldev=dest_ldev)
return dest_ldev
def _detach_ldev(self, attach_info, ldev, properties):
"""Detach the specified LDEV from the server."""
volume = {
'provider_location': six.text_type(ldev),
}
connector = attach_info['connector']
try:
connector.disconnect_volume(
attach_info['conn']['data'], attach_info['device'])
except Exception as ex:
utils.output_log(MSG.DISCONNECT_VOLUME_FAILED, ldev=ldev,
reason=six.text_type(ex))
self._terminate_connection(volume, properties)
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 get_copy_method(self, metadata):
"""Return copy method(FULL or THIN)."""
method = metadata.get(
'copy_method', self.conf.vsp_default_copy_method)
if method not in _COPY_METHOD:
msg = utils.output_log(MSG.INVALID_PARAMETER_VALUE,
meta='copy_method')
raise exception.VSPError(msg)
if method == 'THIN' and not self.conf.vsp_thin_pool:
msg = utils.output_log(MSG.INVALID_PARAMETER,
param='vsp_thin_pool')
raise exception.VSPError(msg)
return method
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 _detach_ldev(self, attach_info, ldev, properties):
"""Detach the specified LDEV from the server."""
volume = {
'provider_location': six.text_type(ldev),
}
connector = attach_info['connector']
try:
connector.disconnect_volume(
attach_info['conn']['data'], attach_info['device'])
except Exception as ex:
utils.output_log(MSG.DISCONNECT_VOLUME_FAILED, ldev=ldev,
reason=six.text_type(ex))
self._terminate_connection(volume, properties)
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 connect_storage(self):
"""Prepare for using the storage."""
target_ports = self.conf.vsp_target_ports
super(VSPHORCMFC, self).connect_storage()
result = self.run_raidcom('get', 'port')
for port, wwn in _FC_PORT_PATTERN.findall(result[1]):
if target_ports and port in target_ports:
self.storage_info['ports'].append(port)
self.storage_info['wwns'][port] = wwn
self.check_ports_info()
utils.output_log(MSG.SET_CONFIG_VALUE, object='port-wwn list',
value=self.storage_info['wwns'])
def connect_storage(self):
"""Prepare for using the storage."""
target_ports = self.conf.vsp_target_ports
super(VSPHORCMFC, self).connect_storage()
result = self.run_raidcom('get', 'port')
for port, wwn in _FC_PORT_PATTERN.findall(result[1]):
if target_ports and port in target_ports:
self.storage_info['ports'].append(port)
self.storage_info['wwns'][port] = wwn
self.check_ports_info()
utils.output_log(MSG.SET_CONFIG_VALUE,
object='port-wwn list',
value=self.storage_info['wwns'])
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 copy_on_storage(self, pvol, size, metadata, sync):
"""Create a copy of the specified LDEV on the storage."""
is_thin = self.get_copy_method(metadata) == "THIN"
svol = self.create_ldev(size, is_vvol=is_thin)
try:
self.create_pair_on_storage(pvol, svol, is_thin)
if sync:
self.wait_full_copy_completion(pvol, svol)
except exception.VSPError:
with excutils.save_and_reraise_exception():
try:
self._delete_ldev(svol)
except exception.VSPError:
utils.output_log(MSG.DELETE_LDEV_FAILED, ldev=svol)
return svol
def connect_storage(self):
"""Prepare for using the storage."""
target_ports = self.conf.vsp_target_ports
super(VSPHORCMISCSI, self).connect_storage()
result = self.run_raidcom('get', 'port')
for port in _ISCSI_PORT_PATTERN.findall(result[1]):
if (target_ports and port in target_ports and
self._set_target_portal(port)):
self.storage_info['ports'].append(port)
self.check_ports_info()
utils.output_log(MSG.SET_CONFIG_VALUE,
object='port-<IP address:port> list',
value=self.storage_info['portals'])
def connect_storage(self):
"""Prepare for using the storage."""
target_ports = self.conf.vsp_target_ports
super(VSPHORCMISCSI, self).connect_storage()
result = self.run_raidcom('get', 'port')
for port in _ISCSI_PORT_PATTERN.findall(result[1]):
if (target_ports and port in target_ports
and self._set_target_portal(port)):
self.storage_info['ports'].append(port)
self.check_ports_info()
utils.output_log(MSG.SET_CONFIG_VALUE,
object='port-<IP address:port> list',
value=self.storage_info['portals'])
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 copy_on_storage(self, pvol, size, metadata, sync):
"""Create a copy of the specified LDEV on the storage."""
is_thin = self.get_copy_method(metadata) == "THIN"
svol = self.create_ldev(size, is_vvol=is_thin)
try:
self.create_pair_on_storage(pvol, svol, is_thin)
if sync:
self.wait_full_copy_completion(pvol, svol)
except exception.VSPError:
with excutils.save_and_reraise_exception():
try:
self._delete_ldev(svol)
except exception.VSPError:
utils.output_log(MSG.DELETE_LDEV_FAILED, ldev=svol)
return svol
def create_mapping_targets(self, targets, connector):
"""Create server-storage connection for all specified storage ports."""
hba_ids = self.get_hba_ids_from_connector(connector)
for port in targets['info'].keys():
if targets['info'][port]:
continue
try:
self._create_target(targets, port, connector, hba_ids)
except exception.VSPError:
utils.output_log(self.driver_info['msg_id']['target'],
port=port)
if not targets['list']:
self.find_targets_from_storage(targets, connector,
targets['info'].keys())
def set_hba_ids(self, port, gid, hba_ids):
"""Connect all specified HBAs with the specified port."""
registered_wwns = []
for wwn in hba_ids:
try:
self.run_raidcom(
'add', 'hba_wwn', '-port',
'-'.join([port, gid]), '-hba_wwn', wwn)
registered_wwns.append(wwn)
except exception.VSPError:
utils.output_log(MSG.ADD_HBA_WWN_FAILED, port=port, gid=gid,
wwn=wwn)
if not registered_wwns:
msg = utils.output_log(MSG.NO_HBA_WWN_ADDED_TO_HOST_GRP, port=port,
gid=gid)
raise exception.VSPError(msg)
def _create_target(self, targets, port, connector, hba_ids):
"""Create a host group or an iSCSI target on the storage port."""
target_name, gid = self.create_target_to_storage(port, connector,
hba_ids)
utils.output_log(MSG.OBJECT_CREATED, object='a target',
details='port: %(port)s, gid: %(gid)s, target_name: '
'%(target)s' %
{'port': port, 'gid': gid, 'target': target_name})
try:
self.set_target_mode(port, gid)
self.set_hba_ids(port, gid, hba_ids)
except exception.VSPError:
with excutils.save_and_reraise_exception():
self.delete_target_from_storage(port, gid)
targets['info'][port] = True
targets['list'].append((port, gid))
def get_properties_iscsi(self, targets, multipath):
"""Check if specified iSCSI targets exist and store their IQNs."""
if not multipath:
target_list = targets['list'][:1]
else:
target_list = targets['list'][:]
for target in target_list:
if target not in targets['iqns']:
port, gid = target
result = self.run_raidcom('get', 'host_grp', '-port', port)
match = re.search(
r"^CL\w-\w+ +%s +\S+ +(?P<iqn>\S+) +\w+ +\w +\d+ " % gid,
result[1], re.M)
if not match:
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource='Target IQN')
raise exception.VSPError(msg)
targets['iqns'][target] = match.group('iqn')
LOG.debug('Found iqn of the iSCSI target. (port: %(port)s, '
'gid: %(gid)s, target iqn: %(iqn)s)',
{'port': port, 'gid': gid,
'iqn': match.group('iqn')})
return super(VSPHORCMISCSI, self).get_properties_iscsi(
targets, multipath)
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 get_properties_iscsi(self, targets, multipath):
"""Check if specified iSCSI targets exist and store their IQNs."""
if not multipath:
target_list = targets['list'][:1]
else:
target_list = targets['list'][:]
for target in target_list:
if target not in targets['iqns']:
port, gid = target
result = self.run_raidcom('get', 'host_grp', '-port', port)
match = re.search(
r"^CL\w-\w+ +%s +\S+ +(?P<iqn>\S+) +\w+ +\w +\d+ " % gid,
result[1], re.M)
if not match:
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource='Target IQN')
raise exception.VSPError(msg)
targets['iqns'][target] = match.group('iqn')
LOG.debug(
'Found iqn of the iSCSI target. (port: %(port)s, '
'gid: %(gid)s, target iqn: %(iqn)s)', {
'port': port,
'gid': gid,
'iqn': match.group('iqn')
})
return super(VSPHORCMISCSI,
self).get_properties_iscsi(targets, multipath)
def create_mapping_targets(self, targets, connector):
"""Create server-storage connection for all specified storage ports."""
hba_ids = self.get_hba_ids_from_connector(connector)
for port in targets['info'].keys():
if targets['info'][port]:
continue
try:
self._create_target(targets, port, connector, hba_ids)
except exception.VSPError:
utils.output_log(
self.driver_info['msg_id']['target'], port=port)
if not targets['list']:
self.find_targets_from_storage(
targets, connector, targets['info'].keys())
def _create_target(self, targets, port, connector, hba_ids):
"""Create a host group or an iSCSI target on the storage port."""
target_name, gid = self.create_target_to_storage(port, connector,
hba_ids)
utils.output_log(MSG.OBJECT_CREATED, object='a target',
details='port: %(port)s, gid: %(gid)s, target_name: '
'%(target)s' %
{'port': port, 'gid': gid, 'target': target_name})
try:
self.set_target_mode(port, gid)
self.set_hba_ids(port, gid, hba_ids)
except exception.VSPError:
with excutils.save_and_reraise_exception():
self.delete_target_from_storage(port, gid)
targets['info'][port] = True
targets['list'].append((port, gid))
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 get_hba_ids_from_connector(self, connector):
"""Return the HBA ID stored in the connector."""
if self.driver_info['hba_id'] in connector:
return connector[self.driver_info['hba_id']]
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource=self.driver_info['hba_id_type'])
raise exception.VSPError(msg)
def get_hba_ids_from_connector(self, connector):
"""Return the HBA ID stored in the connector."""
if self.driver_info['hba_id'] in connector:
return connector[self.driver_info['hba_id']]
msg = utils.output_log(MSG.RESOURCE_NOT_FOUND,
resource=self.driver_info['hba_id_type'])
raise exception.VSPError(msg)
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'])
def set_hba_ids(self, port, gid, hba_ids):
"""Connect all specified HBAs with the specified port."""
registered_wwns = []
for wwn in hba_ids:
try:
self.run_raidcom('add', 'hba_wwn', '-port',
'-'.join([port, gid]), '-hba_wwn', wwn)
registered_wwns.append(wwn)
except exception.VSPError:
utils.output_log(MSG.ADD_HBA_WWN_FAILED,
port=port,
gid=gid,
wwn=wwn)
if not registered_wwns:
msg = utils.output_log(MSG.NO_HBA_WWN_ADDED_TO_HOST_GRP,
port=port,
gid=gid)
raise exception.VSPError(msg)
def manage_existing_get_size(self, existing_ref):
"""Return the size[GB] of the specified volume."""
ldev = _str2int(existing_ref.get('source-id'))
# 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_MANAGE)
raise exception.ManageExistingInvalidReference(
existing_ref=existing_ref, reason=msg)
return self.get_ldev_size_in_gigabyte(ldev, existing_ref)
def manage_existing_get_size(self, existing_ref):
"""Return the size[GB] of the specified volume."""
ldev = _str2int(existing_ref.get('source-id'))
# 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_MANAGE)
raise exception.ManageExistingInvalidReference(
existing_ref=existing_ref, reason=msg)
return self.get_ldev_size_in_gigabyte(ldev, existing_ref)
def _range2list(self, param):
"""Analyze a 'xxx-xxx' string and return a list of two integers."""
values = [_str2int(value) for value in
self.conf.safe_get(param).split('-')]
if (len(values) != 2 or
values[0] is None or values[1] is None or
values[0] > values[1]):
msg = utils.output_log(MSG.INVALID_PARAMETER, param=param)
raise exception.VSPError(msg)
return values
def _range2list(self, param):
"""Analyze a 'xxx-xxx' string and return a list of two integers."""
values = [
_str2int(value) for value in self.conf.safe_get(param).split('-')
]
if (len(values) != 2 or values[0] is None or values[1] is None
or values[0] > values[1]):
msg = utils.output_log(MSG.INVALID_PARAMETER, param=param)
raise exception.VSPError(msg)
return values