cinder/cinder/api/views/cgsnapshots.py

75 lines
2.5 KiB
Python

# Copyright (C) 2012 - 2014 EMC Corporation.
# 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.
from cinder.api import common
class ViewBuilder(common.ViewBuilder):
"""Model cgsnapshot API responses as a python dictionary."""
_collection_name = "cgsnapshots"
def __init__(self):
"""Initialize view builder."""
super(ViewBuilder, self).__init__()
def summary_list(self, request, cgsnapshots):
"""Show a list of cgsnapshots without many details."""
return self._list_view(self.summary, request, cgsnapshots)
def detail_list(self, request, cgsnapshots):
"""Detailed view of a list of cgsnapshots ."""
return self._list_view(self.detail, request, cgsnapshots)
def summary(self, request, cgsnapshot):
"""Generic, non-detailed view of a cgsnapshot."""
return {
'cgsnapshot': {
'id': cgsnapshot.id,
'name': cgsnapshot.name
}
}
def detail(self, request, cgsnapshot):
"""Detailed view of a single cgsnapshot."""
try:
group_id = cgsnapshot.consistencygroup_id
except AttributeError:
try:
group_id = cgsnapshot.group_id
except AttributeError:
group_id = None
else:
group_id = None
return {
'cgsnapshot': {
'id': cgsnapshot.id,
'consistencygroup_id': group_id,
'status': cgsnapshot.status,
'created_at': cgsnapshot.created_at,
'name': cgsnapshot.name,
'description': cgsnapshot.description
}
}
def _list_view(self, func, request, cgsnapshots):
"""Provide a view for a list of cgsnapshots."""
cgsnapshots_list = [func(request, cgsnapshot)['cgsnapshot']
for cgsnapshot in cgsnapshots]
cgsnapshots_dict = dict(cgsnapshots=cgsnapshots_list)
return cgsnapshots_dict