79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
# Copyright (c) 2015 Huawei Technologies Co., Ltd.
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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 copy
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from oslo_log import log
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from manila.share.drivers.huawei import constants
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from manila.share import share_types
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LOG = log.getLogger(__name__)
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def get_share_extra_specs_params(type_id):
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"""Return the parameters for creating the share."""
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opts = None
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if type_id is not None:
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specs = share_types.get_share_type_extra_specs(type_id)
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opts = _get_opts_from_specs(specs)
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LOG.debug('Get share type extra specs: %s', opts)
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return opts
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def _get_opts_from_specs(specs):
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opts = copy.deepcopy(constants.OPTS_CAPABILITIES)
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opts.update(constants.OPTS_VALUE)
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for key, value in specs.items():
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# Get the scope, if using scope format
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scope = None
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key_split = key.split(':')
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if len(key_split) not in (1, 2):
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continue
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if len(key_split) == 1:
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key = key_split[0]
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else:
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scope = key_split[0]
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key = key_split[1]
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if scope:
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scope = scope.lower()
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if key:
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key = key.lower()
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# We want both the scheduler and the driver to act on the value.
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if ((not scope or scope == 'capabilities') and
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key in constants.OPTS_CAPABILITIES):
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words = value.split()
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if not (words and len(words) == 2 and words[0] == '<is>'):
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LOG.error("Extra specs must be specified as "
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"capabilities:%s='<is> True'.", key)
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else:
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opts[key] = words[1].lower()
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if ((scope in constants.OPTS_CAPABILITIES) and
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(key in constants.OPTS_VALUE)):
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if ((scope in constants.OPTS_ASSOCIATE) and
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(key in constants.OPTS_ASSOCIATE[scope])):
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opts[key] = value
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return opts
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