OpenStack Block Storage (Cinder)
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# Copyright 2016 Dell Inc.
# All Rights Reserved.
#
# 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.
#
"""
Core fibre channel zone manager driver interface.
All fczm drivers should support this interface as a bare minimum.
"""
from cinder.interface import base
class FibreChannelZoneManagerDriver(base.CinderInterface):
"""FCZM driver required interface."""
def add_connection(self, fabric, initiator_target_map, host_name=None,
storage_system=None):
"""Add a new initiator<>target connection.
All implementing drivers should provide concrete implementation
for this API.
:param fabric: Fabric name from cinder.conf file
:param initiator_target_map: Mapping of initiator to list of targets
.. code-block:: python
Example initiator_target_map:
{
'10008c7cff523b01': ['20240002ac000a50', '20240002ac000a40']
}
Note that WWPN can be in lower or upper case and can be ':'
separated strings.
"""
def delete_connection(self, fabric, initiator_target_map, host_name=None,
storage_system=None):
"""Delete an initiator<>target connection.
:param fabric: Fabric name from cinder.conf file
:param initiator_target_map: Mapping of initiator to list of targets
.. code-block:: python
Example initiator_target_map:
{
'10008c7cff523b01': ['20240002ac000a50', '20240002ac000a40']
}
Note that WWPN can be in lower or upper case and can be ':'
separated strings.
"""
def get_san_context(self, target_wwn_list):
"""Get SAN context for end devices.
:param target_wwn_list: Mapping of initiator to list of targets
Example initiator_target_map: ['20240002ac000a50', '20240002ac000a40']
Note that WWPN can be in lower or upper case and can be
':' separated strings.
"""