94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
# Copyright (C) 2016 EMC Corporation.
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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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from cinder.api import common
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from cinder import utils
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class ViewBuilder(common.ViewBuilder):
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"""Model group API responses as a python dictionary."""
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_collection_name = "groups"
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def __init__(self):
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"""Initialize view builder."""
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super(ViewBuilder, self).__init__()
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def summary_list(self, request, groups):
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"""Show a list of groups without many details."""
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return self._list_view(self.summary, request, groups)
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def detail_list(self, request, groups):
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"""Detailed view of a list of groups ."""
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return self._list_view(self.detail, request, groups)
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def summary(self, request, group):
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"""Generic, non-detailed view of a group."""
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return {
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'group': {
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'id': group.id,
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'name': group.name
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}
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}
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def detail(self, request, group):
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"""Detailed view of a single group."""
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group_ref = {
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'group': {
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'id': group.id,
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'status': group.status,
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'availability_zone': group.availability_zone,
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'created_at': group.created_at,
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'name': group.name,
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'description': group.description,
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'group_type': group.group_type_id,
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'volume_types': [v_type.id for v_type in group.volume_types],
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}
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}
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req_version = request.api_version_request
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# Add group_snapshot_id and source_group_id if min version is greater
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# than or equal to 3.14.
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if req_version.matches("3.14", None):
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group_ref['group']['group_snapshot_id'] = group.group_snapshot_id
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group_ref['group']['source_group_id'] = group.source_group_id
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# Add volumes if min version is greater than or equal to 3.25.
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if req_version.matches("3.25", None):
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if utils.get_bool_param('list_volume', request.params):
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group_ref['group']['volumes'] = [volume.id
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for volume in group.volumes]
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# Add replication_status if min version is greater than or equal
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# to 3.38.
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if req_version.matches("3.38", None):
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group_ref['group']['replication_status'] = group.replication_status
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return group_ref
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def _list_view(self, func, request, groups):
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"""Provide a view for a list of groups."""
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groups_list = [
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func(request, group)['group']
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for group in groups]
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grp_links = self._get_collection_links(request,
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groups,
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self._collection_name)
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groups_dict = dict(groups=groups_list)
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if grp_links:
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groups_dict['group_links'] = grp_links
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return groups_dict
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