98 lines
2.9 KiB
Python
98 lines
2.9 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import eventlet
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eventlet.monkey_patch(
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os=True, select=True, socket=True, thread=True, time=True)
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import flask
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from keystonemiddleware import auth_token
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_middleware import debug
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from stevedore import enabled
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from werkzeug import exceptions as werkzeug_exceptions
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from blazar.api.v1 import utils as api_utils
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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CONF.import_opt('log_exchange', 'blazar.config')
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def make_json_error(ex):
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if isinstance(ex, werkzeug_exceptions.HTTPException):
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status_code = ex.code
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description = ex.description
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else:
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status_code = 500
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description = str(ex)
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return api_utils.render({'error': status_code,
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'error_message': description},
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status=status_code)
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def version_list():
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return api_utils.render({
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"versions": [
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{"id": "v1.0",
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"status": "CURRENT",
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"links": [{"href": "{0}v1".format(flask.request.host_url),
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"rel": "self"}]
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},
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],
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}, status="300 Multiple Choices")
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def make_app():
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"""App builder (wsgi).
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Entry point for Blazar REST API server.
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"""
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app = flask.Flask('blazar.api')
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app.route('/', methods=['GET'])(version_list)
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app.route('/versions', methods=['GET'])(version_list)
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LOG.debug("List of plugins: %s", cfg.CONF.manager.plugins)
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plugins = cfg.CONF.manager.plugins + ['leases']
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extension_manager = enabled.EnabledExtensionManager(
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check_func=lambda ext: ext.name in plugins,
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namespace='blazar.api.v1.extensions',
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invoke_on_load=False
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)
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for ext in extension_manager.extensions:
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bp = ext.plugin()
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app.register_blueprint(bp, url_prefix=bp.url_prefix)
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for code in werkzeug_exceptions.default_exceptions:
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app.register_error_handler(code, make_json_error)
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if cfg.CONF.debug and not cfg.CONF.log_exchange:
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LOG.debug('Logging of request/response exchange could be enabled '
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'using flag --log_exchange')
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if cfg.CONF.log_exchange:
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app.wsgi_app = debug.Debug.factory(app.config)(app.wsgi_app)
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app.wsgi_app = auth_token.filter_factory(app.config)(app.wsgi_app)
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return app
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