63 lines
2.5 KiB
Python
63 lines
2.5 KiB
Python
# Copyright (c) 2016 Stratoscale, Ltd.
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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 oslo_messaging as messaging
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from cinder.api import common
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from cinder.api import microversions as mv
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from cinder import exception
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from cinder.i18n import _
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def get_manageable_resources(req, is_detail, function_get_manageable,
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view_builder):
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context = req.environ['cinder.context']
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params = req.params.copy()
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cluster_name, host = common.get_cluster_host(
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req, params, mv.MANAGE_EXISTING_CLUSTER)
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marker, limit, offset = common.get_pagination_params(params)
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sort_keys, sort_dirs = common.get_sort_params(params,
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default_key='reference')
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# These parameters are generally validated at the DB layer, but in this
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# case sorting is not done by the DB
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valid_sort_keys = ('reference', 'size')
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invalid_keys = [key for key in sort_keys if key not in valid_sort_keys]
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if invalid_keys:
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msg = _("Invalid sort keys passed: %s") % ', '.join(invalid_keys)
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raise exception.InvalidParameterValue(err=msg)
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valid_sort_dirs = ('asc', 'desc')
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invalid_dirs = [d for d in sort_dirs if d not in valid_sort_dirs]
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if invalid_dirs:
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msg = _("Invalid sort dirs passed: %s") % ', '.join(invalid_dirs)
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raise exception.InvalidParameterValue(err=msg)
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try:
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resources = function_get_manageable(context, host, cluster_name,
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marker=marker, limit=limit,
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offset=offset, sort_keys=sort_keys,
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sort_dirs=sort_dirs)
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except messaging.RemoteError as err:
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if err.exc_type == "InvalidInput":
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raise exception.InvalidInput(err.value)
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raise
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resource_count = len(resources)
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if is_detail:
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resources = view_builder.detail_list(req, resources, resource_count)
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else:
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resources = view_builder.summary_list(req, resources, resource_count)
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return resources
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