cloudkitty/cloudkitty/api/app.py

111 lines
3.1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014 Objectif Libre
#
# 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.
#
# @author: Stéphane Albert
#
import os
from oslo_config import cfg
from oslo_log import log
from paste import deploy
import pecan
from cloudkitty.api import config as api_config
from cloudkitty.api import hooks
from cloudkitty import service
from cloudkitty import storage
LOG = log.getLogger(__name__)
auth_opts = [
cfg.StrOpt('api_paste_config',
default="api_paste.ini",
help="Configuration file for WSGI definition of API."),
cfg.StrOpt('auth_strategy',
choices=['noauth', 'keystone'],
default='keystone',
help=("The strategy to use for auth. Supports noauth and "
"keystone")),
]
api_opts = [
cfg.IPOpt('host_ip',
default='0.0.0.0',
help='The listen IP for the cloudkitty API server.'),
cfg.PortOpt('port',
default=8889,
help='The port for the cloudkitty API server.'),
cfg.BoolOpt('pecan_debug',
default=False,
help='Toggle Pecan Debug Middleware.'),
]
CONF = cfg.CONF
CONF.register_opts(auth_opts)
CONF.register_opts(api_opts, group='api')
def get_pecan_config():
# Set up the pecan configuration
filename = api_config.__file__.replace('.pyc', '.py')
return pecan.configuration.conf_from_file(filename)
def setup_app(pecan_config=None, extra_hooks=None):
app_conf = get_pecan_config()
storage_backend = storage.get_storage()
app_hooks = [
hooks.RPCHook(),
hooks.StorageHook(storage_backend),
hooks.ContextHook(),
]
app = pecan.make_app(
app_conf.app.root,
static_root=app_conf.app.static_root,
template_path=app_conf.app.template_path,
debug=CONF.api.pecan_debug,
force_canonical=getattr(app_conf.app, 'force_canonical', True),
hooks=app_hooks,
guess_content_type_from_ext=False
)
return app
def load_app():
cfg_file = None
cfg_path = cfg.CONF.api_paste_config
if not os.path.isabs(cfg_path):
cfg_file = CONF.find_file(cfg_path)
elif os.path.exists(cfg_path):
cfg_file = cfg_path
if not cfg_file:
raise cfg.ConfigFilesNotFoundError([cfg.CONF.api_paste_config])
LOG.info("Full WSGI config used: %s", cfg_file)
return deploy.loadapp("config:" + cfg_file)
def build_wsgi_app(argv=None):
service.prepare_service([])
return load_app()
def app_factory(global_config, **local_conf):
return setup_app()