81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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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 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 yaml
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import falcon
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from oslo_context import context
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from oslo_log import log as logging
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from oslo_serialization import jsonutils as json
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import six
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LOG = logging.getLogger(__name__)
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class BaseResource(object):
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"""Base resource class for implementing API resources."""
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def on_options(self, req, resp):
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self_attrs = dir(self)
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methods = ['GET', 'HEAD', 'POST', 'PUT', 'DELETE', 'PATCH']
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allowed_methods = []
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for m in methods:
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if 'on_' + m.lower() in self_attrs:
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allowed_methods.append(m)
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resp.headers['Allow'] = ','.join(allowed_methods)
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resp.status = falcon.HTTP_200
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def return_error(self, resp, status_code, message="", retry=False):
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resp.body = json.dumps(
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{'type': 'error', 'message': six.text_type(message),
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'retry': retry})
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resp.status = status_code
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def to_yaml_body(self, dict_body):
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"""Converts JSON body into YAML response body.
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:dict_body: response body to be converted to YAML.
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:returns: YAML encoding of `dict_body`.
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"""
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if isinstance(dict_body, dict):
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return yaml.safe_dump(dict_body)
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elif isinstance(dict_body, list):
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return yaml.safe_dump_all(dict_body)
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raise TypeError('Unrecognized dict_body type when converting response '
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'body to YAML format.')
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class DeckhandRequest(falcon.Request):
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def __init__(self, env, options=None):
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super(DeckhandRequest, self).__init__(env, options)
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self.context = context.RequestContext.from_environ(self.env)
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@property
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def project_id(self):
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return self.context.tenant
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@property
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def user_id(self):
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return self.context.user
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@property
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def roles(self):
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return self.context.roles
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def __repr__(self):
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return '%s, context=%s' % (self.path, self.context)
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