shipyard/src/bin/shipyard_airflow/shipyard_airflow/control/configdocs/rendered_configdocs_api.py

69 lines
2.4 KiB
Python

# Copyright 2017 AT&T Intellectual Property. All other 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.
"""
Module for resources representing the renderedconfigdocs API
"""
import falcon
from oslo_config import cfg
from shipyard_airflow import policy
from shipyard_airflow.control.base import BaseResource
from shipyard_airflow.control.configdocs.configdocs_helper import \
ConfigdocsHelper
from shipyard_airflow.errors import ApiError
CONF = cfg.CONF
VERSION_VALUES = ['buffer', 'committed']
class RenderedConfigDocsResource(BaseResource):
"""
RenderedConfigDocsResource represents the retrieval of configdocs
in a complete or rendered state.
"""
@policy.ApiEnforcer('workflow_orchestrator:get_renderedconfigdocs')
def on_get(self, req, resp):
"""
Returns the whole set of rendered documents
"""
version = (req.params.get('version') or 'buffer')
self._validate_version_parameter(version)
helper = ConfigdocsHelper(req.context)
resp.body = self.get_rendered_configdocs(
helper=helper,
version=version
)
resp.append_header('Content-Type', 'application/x-yaml')
resp.status = falcon.HTTP_200
def _validate_version_parameter(self, version):
# performs validation of version parameter
if version.lower() not in VERSION_VALUES:
raise ApiError(
title='Invalid version query parameter specified',
description=(
'version must be {}'.format(', '.join(VERSION_VALUES))
),
status=falcon.HTTP_400,
retry=False,
)
def get_rendered_configdocs(self, helper, version='buffer'):
"""
Get and return the rendered configdocs from the helper/Deckhand
"""
return helper.get_rendered_configdocs(version)