def delete_hypermetro(self, volume):
"""Delete hypermetro."""
metadata = huawei_utils.get_volume_metadata(volume)
metro_id = metadata["hypermetro_id"]
remote_lun_id = metadata["remote_lun_id"]
if metro_id:
exst_flag = self.client.check_hypermetro_exist(metro_id)
if exst_flag:
metro_info = self.client.get_hypermetro_by_id(metro_id)
metro_status = int(metro_info["data"]["RUNNINGSTATUS"])
LOG.debug("Hypermetro status is: %s.", metro_status)
if constants.HYPERMETRO_RUNNSTATUS_STOP != metro_status:
self.client.stop_hypermetro(metro_id)
# Delete hypermetro
self.client.delete_hypermetro(metro_id)
# Delete remote lun.
if remote_lun_id:
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
if self.rmt_client.check_lun_exist(remote_lun_id):
self.rmt_client.delete_lun(remote_lun_id)
except Exception as err:
msg = _("Delete remote lun err. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
finally:
self.rmt_client.logout()
def delete_hypermetro(self, volume):
"""Delete hypermetro."""
metadata = huawei_utils.get_volume_metadata(volume)
metro_id = metadata['hypermetro_id']
remote_lun_id = metadata['remote_lun_id']
if metro_id:
exst_flag = self.client.check_hypermetro_exist(metro_id)
if exst_flag:
metro_info = self.client.get_hypermetro_by_id(metro_id)
metro_status = int(metro_info['data']['RUNNINGSTATUS'])
LOG.debug("Hypermetro status is: %s.", metro_status)
if constants.HYPERMETRO_RUNNSTATUS_STOP != metro_status:
self.client.stop_hypermetro(metro_id)
# Delete hypermetro
self.client.delete_hypermetro(metro_id)
# Delete remote lun.
if remote_lun_id:
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
if self.rmt_client.check_lun_exist(remote_lun_id):
self.rmt_client.delete_lun(remote_lun_id)
except Exception as err:
msg = _("Delete remote lun err. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
finally:
self.rmt_client.logout()
def create_hypermetro(self, local_lun_id, lun_param):
"""Create hypermetro."""
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
# Get the remote pool info.
config_pool = device_info['StoragePool']
remote_pool = self.rmt_client.find_all_pools()
pool = self.rmt_client.find_pool_info(config_pool,
remote_pool)
# Create remote lun
lun_param['PARENTID'] = pool['ID']
remotelun_info = self.rmt_client.create_volume(lun_param)
remote_lun_id = remotelun_info['ID']
# Get hypermetro domain
try:
domain_name = device_info['domain_name']
domain_id = self.rmt_client.get_hyper_domain_id(domain_name)
self._wait_volume_ready(remote_lun_id)
hypermetro = self._create_hypermetro_pair(domain_id,
local_lun_id,
remote_lun_id)
return hypermetro['ID'], remote_lun_id
except Exception as err:
self.rmt_client.delete_lun(remote_lun_id)
msg = _('Create hypermetro error. %s.') % err
raise exception.VolumeBackendAPIException(data=msg)
except exception.VolumeBackendAPIException:
raise
except Exception as err:
msg = _("Create remote LUN error. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
finally:
self.rmt_client.logout()
def create_hypermetro(self, local_lun_id, lun_param):
"""Create hypermetro."""
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
# Get the remote pool info.
config_pool = device_info["StoragePool"]
remote_pool = self.rmt_client.find_all_pools()
pool = self.rmt_client.find_pool_info(config_pool, remote_pool)
# Create remote lun
lun_param["PARENTID"] = pool["ID"]
remotelun_info = self.rmt_client.create_volume(lun_param)
remote_lun_id = remotelun_info["ID"]
# Get hypermetro domain
try:
domain_name = device_info["domain_name"]
domain_id = self.rmt_client.get_hyper_domain_id(domain_name)
self._wait_volume_ready(remote_lun_id)
hypermetro = self._create_hypermetro_pair(domain_id, local_lun_id, remote_lun_id)
return hypermetro["ID"], remote_lun_id
except Exception as err:
self.rmt_client.delete_lun(remote_lun_id)
msg = _("Create hypermetro error. %s.") % err
raise exception.VolumeBackendAPIException(data=msg)
except exception.VolumeBackendAPIException:
raise
except Exception as err:
msg = _("Create remote LUN error. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
finally:
self.rmt_client.logout()
def disconnect_volume_fc(self, volume, connector):
"""Delete map between a volume and a host for FC."""
# Login remote storage device.
self.xml_file_path = self.configuration.cinder_huawei_conf_file
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
wwns = connector["wwpns"]
volume_name = huawei_utils.encode_name(volume["id"])
metadata = huawei_utils.get_volume_metadata(volume)
lun_id = metadata["remote_lun_id"]
host_name = connector["host"]
left_lunnum = -1
lungroup_id = None
view_id = None
LOG.info(
_LI("terminate_connection_fc: volume name: %(volume)s, " "wwpns: %(wwns)s, " "lun_id: %(lunid)s."),
{"volume": volume_name, "wwns": wwns, "lunid": lun_id},
)
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name = six.text_type(hash(host_name))
hostid = self.rmt_client.find_host(host_name)
if hostid:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + hostid
view_id = self.rmt_client.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.rmt_client.find_lungroup_from_map(view_id)
if lun_id and self.rmt_client.check_lun_exist(lun_id):
if lungroup_id:
lungroup_ids = self.rmt_client.get_lungroupids_by_lunid(lun_id)
if lungroup_id in lungroup_ids:
self.rmt_client.remove_lun_from_lungroup(lungroup_id, lun_id)
else:
LOG.warning(
_LW("Lun is not in lungroup. " "Lun id: %(lun_id)s, " "lungroup id: %(lungroup_id)s"),
{"lun_id": lun_id, "lungroup_id": lungroup_id},
)
(tgt_port_wwns, init_targ_map) = self.rmt_client.get_init_targ_map(wwns)
hostid = self.rmt_client.find_host(host_name)
if hostid:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + hostid
view_id = self.rmt_client.find_mapping_view(mapping_view_name)
if view_id:
lungroup_id = self.rmt_client.find_lungroup_from_map(view_id)
if lungroup_id:
left_lunnum = self.rmt_client.get_lunnum_from_lungroup(lungroup_id)
except Exception as err:
msg = _("Remote detatch volume error. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
finally:
self.rmt_client.logout()
if int(left_lunnum) > 0:
info = {"driver_volume_type": "fibre_channel", "data": {}}
else:
info = {
"driver_volume_type": "fibre_channel",
"data": {"target_wwn": tgt_port_wwns, "initiator_target_map": init_targ_map},
}
return info
def connect_volume_fc(self, volume, connector):
"""Create map between a volume and a host for FC."""
self.xml_file_path = self.configuration.cinder_huawei_conf_file
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
wwns = connector["wwpns"]
volume_name = huawei_utils.encode_name(volume["id"])
LOG.info(
_LI("initialize_connection_fc, initiator: %(wwpns)s," " volume name: %(volume)s."),
{"wwpns": wwns, "volume": volume_name},
)
metadata = huawei_utils.get_volume_metadata(volume)
lun_id = metadata["remote_lun_id"]
if lun_id is None:
lun_id = self.rmt_client.get_volume_by_name(volume_name)
if lun_id is None:
msg = _("Can't get volume id. Volume name: %s.") % volume_name
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
host_name_before_hash = None
host_name = connector["host"]
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name_before_hash = host_name
host_name = six.text_type(hash(host_name))
# Create hostgroup if not exist.
host_id = self.rmt_client.add_host_with_check(host_name, host_name_before_hash)
online_wwns_in_host = self.rmt_client.get_host_online_fc_initiators(host_id)
online_free_wwns = self.rmt_client.get_online_free_wwns()
for wwn in wwns:
if wwn not in online_wwns_in_host and wwn not in online_free_wwns:
wwns_in_host = self.rmt_client.get_host_fc_initiators(host_id)
iqns_in_host = self.rmt_client.get_host_iscsi_initiators(host_id)
if not wwns_in_host and not iqns_in_host:
self.rmt_client.remove_host(host_id)
msg = _("Can not add FC port to host.")
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
for wwn in wwns:
if wwn in online_free_wwns:
self.rmt_client.add_fc_port_to_host(host_id, wwn)
(tgt_port_wwns, init_targ_map) = self.rmt_client.get_init_targ_map(wwns)
# Add host into hostgroup.
hostgroup_id = self.rmt_client.add_host_into_hostgroup(host_id)
map_info = self.rmt_client.do_mapping(lun_id, hostgroup_id, host_id)
host_lun_id = self.rmt_client.find_host_lun_id(host_id, lun_id)
except exception.VolumeBackendAPIException:
raise
except Exception as err:
msg = _("Connect volume fc: connect volume error. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
# Return FC properties.
fc_info = {
"driver_volume_type": "fibre_channel",
"data": {
"target_lun": int(host_lun_id),
"target_discovered": True,
"target_wwn": tgt_port_wwns,
"volume_id": volume["id"],
"initiator_target_map": init_targ_map,
"map_info": map_info,
},
}
LOG.info(_LI("Remote return FC info is: %s."), fc_info)
return fc_info
def disconnect_volume_fc(self, volume, connector):
"""Delete map between a volume and a host for FC."""
# Login remote storage device.
self.xml_file_path = self.configuration.cinder_huawei_conf_file
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
metadata = huawei_utils.get_volume_metadata(volume)
lun_id = metadata['remote_lun_id']
host_name = connector['host']
left_lunnum = -1
lungroup_id = None
view_id = None
LOG.info(_LI('terminate_connection_fc: volume name: %(volume)s, '
'wwpns: %(wwns)s, '
'lun_id: %(lunid)s.'),
{'volume': volume_name,
'wwns': wwns,
'lunid': lun_id},)
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name = six.text_type(hash(host_name))
hostid = self.rmt_client.find_host(host_name)
if hostid:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + hostid
view_id = self.rmt_client.find_mapping_view(
mapping_view_name)
if view_id:
lungroup_id = self.rmt_client.find_lungroup_from_map(
view_id)
if lun_id and self.rmt_client.check_lun_exist(lun_id):
if lungroup_id:
lungroup_ids = self.rmt_client.get_lungroupids_by_lunid(
lun_id)
if lungroup_id in lungroup_ids:
self.rmt_client.remove_lun_from_lungroup(
lungroup_id, lun_id)
else:
LOG.warning(_LW("Lun is not in lungroup. "
"Lun id: %(lun_id)s, "
"lungroup id: %(lungroup_id)s"),
{"lun_id": lun_id,
"lungroup_id": lungroup_id})
(tgt_port_wwns, init_targ_map) = (
self.rmt_client.get_init_targ_map(wwns))
hostid = self.rmt_client.find_host(host_name)
if hostid:
mapping_view_name = constants.MAPPING_VIEW_PREFIX + hostid
view_id = self.rmt_client.find_mapping_view(
mapping_view_name)
if view_id:
lungroup_id = self.rmt_client.find_lungroup_from_map(
view_id)
if lungroup_id:
left_lunnum = self.rmt_client.get_lunnum_from_lungroup(
lungroup_id)
except Exception as err:
msg = _("Remote detatch volume error. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
finally:
self.rmt_client.logout()
if int(left_lunnum) > 0:
info = {'driver_volume_type': 'fibre_channel',
'data': {}}
else:
info = {'driver_volume_type': 'fibre_channel',
'data': {'target_wwn': tgt_port_wwns,
'initiator_target_map': init_targ_map}, }
return info
def connect_volume_fc(self, volume, connector):
"""Create map between a volume and a host for FC."""
self.xml_file_path = self.configuration.cinder_huawei_conf_file
metro_devices = self.configuration.hypermetro_devices
device_info = huawei_utils.get_remote_device_info(metro_devices)
self.rmt_client = rest_client.RestClient(self.configuration)
self.rmt_client.login_with_ip(device_info)
try:
wwns = connector['wwpns']
volume_name = huawei_utils.encode_name(volume['id'])
LOG.info(_LI(
'initialize_connection_fc, initiator: %(wwpns)s,'
' volume name: %(volume)s.'),
{'wwpns': wwns,
'volume': volume_name})
metadata = huawei_utils.get_volume_metadata(volume)
lun_id = metadata['remote_lun_id']
if lun_id is None:
lun_id = self.rmt_client.get_volume_by_name(volume_name)
if lun_id is None:
msg = _("Can't get volume id. Volume name: %s.") % volume_name
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
host_name_before_hash = None
host_name = connector['host']
if host_name and (len(host_name) > constants.MAX_HOSTNAME_LENGTH):
host_name_before_hash = host_name
host_name = six.text_type(hash(host_name))
# Create hostgroup if not exist.
host_id = self.rmt_client.add_host_with_check(
host_name, host_name_before_hash)
online_wwns_in_host = (
self.rmt_client.get_host_online_fc_initiators(host_id))
online_free_wwns = self.rmt_client.get_online_free_wwns()
for wwn in wwns:
if (wwn not in online_wwns_in_host
and wwn not in online_free_wwns):
wwns_in_host = (
self.rmt_client.get_host_fc_initiators(host_id))
iqns_in_host = (
self.rmt_client.get_host_iscsi_initiators(host_id))
if not wwns_in_host and not iqns_in_host:
self.rmt_client.remove_host(host_id)
msg = _('Can not add FC port to host.')
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
for wwn in wwns:
if wwn in online_free_wwns:
self.rmt_client.add_fc_port_to_host(host_id, wwn)
(tgt_port_wwns, init_targ_map) = (
self.rmt_client.get_init_targ_map(wwns))
# Add host into hostgroup.
hostgroup_id = self.rmt_client.add_host_into_hostgroup(host_id)
map_info = self.rmt_client.do_mapping(lun_id,
hostgroup_id,
host_id)
host_lun_id = self.rmt_client.find_host_lun_id(host_id, lun_id)
except exception.VolumeBackendAPIException:
raise
except Exception as err:
msg = _("Connect volume fc: connect volume error. %s.") % err
LOG.exception(msg)
raise exception.VolumeBackendAPIException(data=msg)
# Return FC properties.
fc_info = {'driver_volume_type': 'fibre_channel',
'data': {'target_lun': int(host_lun_id),
'target_discovered': True,
'target_wwn': tgt_port_wwns,
'volume_id': volume['id'],
'initiator_target_map': init_targ_map,
'map_info': map_info},
}
LOG.info(_LI('Remote return FC info is: %s.'), fc_info)
return fc_info