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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from os_brick import initiator
from os_brick.initiator import connector
import nova.conf
from nova import utils
from nova.virt.libvirt.volume import iscsi
CONF = nova.conf.CONF
class LibvirtISERVolumeDriver(iscsi.LibvirtISCSIVolumeDriver):
"""Driver to attach Network volumes to libvirt."""
def __init__(self, connection):
super(LibvirtISERVolumeDriver, self).__init__(connection)
# Call the factory here so we can support
# more than x86 architectures.
self.connector = connector.InitiatorConnector.factory(
initiator.ISER, utils.get_root_helper(),
use_multipath=CONF.libvirt.iser_use_multipath,
device_scan_attempts=CONF.libvirt.num_iser_scan_tries,
transport=self._get_transport())
def _get_transport(self):
return 'iser'
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