heat/heat/api/openstack/v1/views/stacks_view.py

69 lines
2.4 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# 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.
import itertools
from heat.api.openstack.v1 import util
from heat.api.openstack.v1.views import views_common
from heat.rpc import api as engine_api
_collection_name = 'stacks'
basic_keys = (engine_api.STACK_ID,
engine_api.STACK_NAME,
engine_api.STACK_DESCRIPTION,
engine_api.STACK_STATUS,
engine_api.STACK_STATUS_DATA,
engine_api.STACK_CREATION_TIME,
engine_api.STACK_DELETION_TIME,
engine_api.STACK_UPDATED_TIME)
def format_stack(req, stack, keys=None):
def transform(key, value):
if keys and key not in keys:
return
if key == engine_api.STACK_ID:
yield ('id', value['stack_id'])
yield ('links', [util.make_link(req, value)])
elif key == engine_api.STACK_ACTION:
return
elif (key == engine_api.STACK_STATUS and
engine_api.STACK_ACTION in stack):
# To avoid breaking API compatibility, we join RES_ACTION
# and RES_STATUS, so the API format doesn't expose the
# internal split of state into action/status
yield (key, '_'.join((stack[engine_api.STACK_ACTION], value)))
else:
# TODO(zaneb): ensure parameters can be formatted for XML
#elif key == engine_api.STACK_PARAMETERS:
# return key, json.dumps(value)
yield (key, value)
return dict(itertools.chain.from_iterable(
transform(k, v) for k, v in stack.items()))
def collection(req, stacks):
formatted_stacks = [format_stack(req, s, basic_keys) for s in stacks]
result = {'stacks': formatted_stacks}
links = views_common.get_collection_links(req, formatted_stacks)
if links:
result['links'] = links
return result