74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
# Copyright 2019 Red Hat, Inc.
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# All Rights Reserved.
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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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import uuid
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from sushy_tools.emulator import memoize
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from sushy_tools.emulator.resources import base
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class StaticDriver(base.DriverBase):
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"""Redfish Volumes emulated in libvirt backed by the config file
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Maintains the libvirt volumes in memory.
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"""
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def __init__(self, config, logger):
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super().__init__(config, logger)
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self._volumes = memoize.PersistentDict()
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self._volumes.make_permanent(
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self._config.get('SUSHY_EMULATOR_STATE_DIR'), 'volumes')
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self._volumes.update(
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self._config.get('SUSHY_EMULATOR_VOLUMES', {}))
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@property
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def driver(self):
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"""Return human-friendly driver information
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:returns: driver information as `str`
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"""
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return '<static-volumes>'
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def get_volumes_col(self, identity, storage_id):
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try:
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uu_identity = str(uuid.UUID(identity))
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return self._volumes[(uu_identity, storage_id)]
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except (KeyError, ValueError):
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msg = ('Error finding volume collection by System UUID %s '
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'and Storage ID %s' % (uu_identity, storage_id))
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self._logger.debug(msg)
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def add_volume(self, uu_identity, storage_id, vol):
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if not self._volumes[(uu_identity, storage_id)]:
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self._volumes[(uu_identity, storage_id)] = []
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vol_col = self._volumes[(uu_identity, storage_id)]
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vol_col.append(vol)
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self._volumes.update({(uu_identity, storage_id): vol_col})
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def delete_volume(self, uu_identity, storage_id, vol):
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try:
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vol_col = self._volumes[(uu_identity, storage_id)]
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except KeyError:
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msg = ('Error finding volume collection by System UUID %s '
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'and Storage ID %s' % (uu_identity, storage_id))
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self._logger.debug(msg)
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else:
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vol_col.remove(vol)
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self._volumes.update({(uu_identity, storage_id): vol_col})
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