manila/manila/api/views/cgsnapshots.py

96 lines
3.5 KiB
Python

# Copyright 2015 Alex Meade
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""The consistency groups snapshot API."""
from manila.api import common
class CGSnapshotViewBuilder(common.ViewBuilder):
"""Model a cgsnapshot API response as a python dictionary."""
_collection_name = 'cgsnapshot'
def summary_list(self, request, cgs):
"""Show a list of cgsnapshots without many details."""
return self._list_view(self.summary, request, cgs)
def detail_list(self, request, cgs):
"""Detailed view of a list of cgsnapshots."""
return self._list_view(self.detail, request, cgs)
def member_list(self, request, members):
members_list = []
for member in members:
member_dict = {
'id': member.get('id'),
'created_at': member.get('created_at'),
'size': member.get('size'),
'share_protocol': member.get('share_proto'),
'project_id': member.get('project_id'),
'share_type_id': member.get('share_type_id'),
'cgsnapshot_id': member.get('cgsnapshot_id'),
'share_id': member.get('share_id'),
}
members_list.append(member_dict)
members_links = self._get_collection_links(request,
members,
'cgsnapshot_id')
members_dict = dict(cgsnapshot_members=members_list)
if members_links:
members_dict['cgsnapshot_members_links'] = members_links
return members_dict
def summary(self, request, cg):
"""Generic, non-detailed view of a cgsnapshot."""
return {
'cgsnapshot': {
'id': cg.get('id'),
'name': cg.get('name'),
'links': self._get_links(request, cg['id'])
}
}
def detail(self, request, cg):
"""Detailed view of a single cgsnapshot."""
cg_dict = {
'id': cg.get('id'),
'name': cg.get('name'),
'created_at': cg.get('created_at'),
'status': cg.get('status'),
'description': cg.get('description'),
'project_id': cg.get('project_id'),
'consistency_group_id': cg.get('consistency_group_id'),
'links': self._get_links(request, cg['id']),
}
return {'cgsnapshot': cg_dict}
def _list_view(self, func, request, snaps):
"""Provide a view for a list of cgsnapshots."""
snap_list = [func(request, snap)['cgsnapshot']
for snap in snaps]
snaps_links = self._get_collection_links(request,
snaps,
self._collection_name)
snaps_dict = dict(cgsnapshots=snap_list)
if snaps_links:
snaps_dict['cgsnapshot_links'] = snaps_links
return snaps_dict