145 lines
3.9 KiB
Python
145 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 Objectif Libre
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# @author: Stéphane Albert
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#
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import logging
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import os
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from wsgiref import simple_server
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from oslo_config import cfg
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from oslo_log import log
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from paste import deploy
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import pecan
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from cloudkitty.api import config as api_config
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from cloudkitty.api import hooks
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from cloudkitty import rpc
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from cloudkitty import storage
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LOG = log.getLogger(__name__)
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auth_opts = [
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cfg.StrOpt('api_paste_config',
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default="api_paste.ini",
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help="Configuration file for WSGI definition of API."
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),
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cfg.StrOpt('auth_strategy',
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choices=['noauth', 'keystone'],
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default='keystone',
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help=("The strategy to use for auth. Supports noauth and "
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"keystone")),
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]
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api_opts = [
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cfg.StrOpt('host_ip',
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default="0.0.0.0",
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help='Host serving the API.'),
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cfg.IntOpt('port',
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default=8888,
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help='Host port serving the API.'),
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cfg.BoolOpt('pecan_debug',
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default=False,
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help='Toggle Pecan Debug Middleware.'),
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]
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CONF = cfg.CONF
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CONF.register_opts(auth_opts)
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CONF.register_opts(api_opts, group='api')
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def get_pecan_config():
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# Set up the pecan configuration
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filename = api_config.__file__.replace('.pyc', '.py')
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return pecan.configuration.conf_from_file(filename)
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def setup_app(pecan_config=None, extra_hooks=None):
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app_conf = get_pecan_config()
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client = rpc.get_client()
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storage_backend = storage.get_storage()
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app_hooks = [
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hooks.RPCHook(client),
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hooks.StorageHook(storage_backend),
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]
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if CONF.auth_strategy == 'keystone':
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app_hooks.append(hooks.ContextHook())
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app = pecan.make_app(
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app_conf.app.root,
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static_root=app_conf.app.static_root,
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template_path=app_conf.app.template_path,
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debug=CONF.api.pecan_debug,
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force_canonical=getattr(app_conf.app, 'force_canonical', True),
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hooks=app_hooks,
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guess_content_type_from_ext=False
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)
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return app
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def load_app():
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cfg_file = None
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cfg_path = cfg.CONF.api_paste_config
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if not os.path.isabs(cfg_path):
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cfg_file = CONF.find_file(cfg_path)
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elif os.path.exists(cfg_path):
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cfg_file = cfg_path
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if not cfg_file:
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raise cfg.ConfigFilesNotFoundError([cfg.CONF.api_paste_config])
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LOG.info("Full WSGI config used: %s" % cfg_file)
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return deploy.loadapp("config:" + cfg_file)
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def build_server():
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# Create the WSGI server and start it
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host = CONF.api.host_ip
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port = CONF.api.port
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LOG.info('Starting server in PID %s', os.getpid())
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LOG.info("Configuration:")
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cfg.CONF.log_opt_values(LOG, logging.INFO)
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if host == '0.0.0.0':
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LOG.info('serving on 0.0.0.0:%(sport)s, view at http://127.0.0.1:%'
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'(vport)s', {'sport': port, 'vport': port})
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else:
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LOG.info("serving on http://%(host)s:%(port)s",
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{'host': host, 'port': port})
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server_cls = simple_server.WSGIServer
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handler_cls = simple_server.WSGIRequestHandler
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app = load_app()
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srv = simple_server.make_server(
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host,
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port,
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app,
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server_cls,
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handler_cls)
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return srv
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def app_factory(global_config, **local_conf):
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return setup_app()
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