aodh/ceilometer/api/v1/app.py
Julien Danjou 706385d1e4 api: update v1 for Flask >= 0.10
Change-Id: I7e0e9a902ec57b6e5eb951d50a49629dd7cfdb7c
Fixes-Bug: #1212851
2013-08-27 11:32:22 +02:00

69 lines
2.0 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
#
# 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.
"""Set up the API server application instance."""
import flask
from oslo.config import cfg
from ceilometer.api import acl
from ceilometer.api.v1 import blueprint as v1_blueprint
from ceilometer.openstack.common import jsonutils
from ceilometer import storage
class JSONEncoder(flask.json.JSONEncoder):
@staticmethod
def default(o):
return jsonutils.to_primitive(o)
def make_app(conf, enable_acl=True, attach_storage=True,
sources_file='sources.json'):
app = flask.Flask('ceilometer.api')
app.register_blueprint(v1_blueprint.blueprint, url_prefix='/v1')
app.json_encoder = JSONEncoder
try:
with open(sources_file, "r") as f:
sources = jsonutils.load(f)
except IOError:
sources = {}
@app.before_request
def attach_config():
flask.request.cfg = conf
flask.request.sources = sources
if attach_storage:
@app.before_request
def attach_storage():
storage_engine = storage.get_engine(conf)
flask.request.storage_engine = storage_engine
flask.request.storage_conn = \
storage_engine.get_connection(conf)
# Install the middleware wrapper
if enable_acl:
app.wsgi_app = acl.install(app.wsgi_app, conf)
return app
# For documentation
app = make_app(cfg.CONF, enable_acl=False, attach_storage=False)