95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
# (c) Copyright 2014 Brocade Communications Systems Inc.
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# All Rights Reserved.
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#
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# Copyright 2014 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""
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Base Zone Driver is responsible to manage access control using FC zoning
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Vendor specific implementations should extend this class to provide
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concrete implementation for add_connection and delete_connection
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interfaces.
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**Related Flags**
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:zoning_policy: Used by: class: 'FCZoneDriver'. Defaults to 'none'
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:zone_driver: Used by: class: 'FCZoneDriver'. Defaults to 'none'
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"""
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from oslo_log import log as logging
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from cinder.zonemanager import fc_common
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LOG = logging.getLogger(__name__)
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class FCZoneDriver(fc_common.FCCommon):
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"""Interface to manage Connection control during attach/detach."""
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def __init__(self, **kwargs):
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super(FCZoneDriver, self).__init__(**kwargs)
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LOG.debug("Initializing FCZoneDriver")
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def add_connection(self, fabric, initiator_target_map, host_name=None,
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storage_system=None):
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"""Add connection control.
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Abstract method to add connection control.
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All implementing drivers should provide concrete implementation
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for this API.
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:param fabric: Fabric name from cinder.conf file
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:param initiator_target_map: Mapping of initiator to list of targets
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Example initiator_target_map:
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{
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'10008c7cff523b01': ['20240002ac000a50', '20240002ac000a40']
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}
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Note that WWPN can be in lower or upper case and can be
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':' separated strings
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"""
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raise NotImplementedError()
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def delete_connection(self, fabric, initiator_target_map, host_name=None,
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storage_system=None):
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"""Delete connection control.
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Abstract method to remove connection control.
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All implementing drivers should provide concrete implementation
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for this API.
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:param fabric: Fabric name from cinder.conf file
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:param initiator_target_map: Mapping of initiator to list of targets
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Example initiator_target_map:
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{
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'10008c7cff523b01': ['20240002ac000a50', '20240002ac000a40']
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}
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Note that WWPN can be in lower or upper case and can be
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':' separated strings
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"""
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raise NotImplementedError()
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def get_san_context(self, target_wwn_list):
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"""Get SAN context for end devices.
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Abstract method to get SAN contexts for given list of end devices
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All implementing drivers should provide concrete implementation
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for this API.
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:param fabric: Fabric name from cinder.conf file
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:param initiator_target_map: Mapping of initiator to list of targets
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Example initiator_target_map: ['20240002ac000a50', '20240002ac000a40']
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Note that WWPN can be in lower or upper case and can be
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':' separated strings
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"""
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raise NotImplementedError()
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