116 lines
3.1 KiB
Python
116 lines
3.1 KiB
Python
# Copyright 2010 Jacob Kaplan-Moss
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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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Exception definitions.
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"""
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import inspect
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import sys
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import six
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from novaclient.openstack.common.apiclient.exceptions import * # noqa
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# NOTE(akurilin): Since v.2.17.0 this alias should be left here to support
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# backwards compatibility.
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OverLimit = RequestEntityTooLarge
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def _deprecate_code_attribute(slf):
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import warnings
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warnings.warn("'code' attribute is deprecated since v.2.17.0. Use "
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"'http_status' instead of this one.", UserWarning)
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return slf.http_status
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HttpError.code = property(_deprecate_code_attribute)
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class NoTokenLookupException(ClientException):
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"""This form of authentication does not support looking up
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endpoints from an existing token.
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"""
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pass
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class InstanceInErrorState(Exception):
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"""Instance is in the error state."""
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pass
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class RateLimit(RequestEntityTooLarge):
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"""
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HTTP 429 - Rate limit: you've sent too many requests for this time period.
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"""
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http_status = 429
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message = "Rate limit"
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_code_map = dict(
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(getattr(obj, 'http_status', None), obj)
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for name, obj in six.iteritems(vars(sys.modules[__name__]))
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if inspect.isclass(obj) and getattr(obj, 'http_status', False)
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)
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class InvalidUsage(RuntimeError):
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"""This function call is invalid in the way you are using this client.
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Due to the transition to using keystoneclient some function calls are no
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longer available. You should make a similar call to the session object
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instead.
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"""
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pass
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def from_response(response, body, url, method=None):
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"""
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Return an instance of an HttpError or subclass
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based on an requests response.
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Usage::
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resp, body = requests.request(...)
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if resp.status_code != 200:
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raise exception_from_response(resp, rest.text)
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"""
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kwargs = {
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'http_status': response.status_code,
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'method': method,
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'url': url,
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'request_id': None,
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}
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if response.headers:
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kwargs['request_id'] = response.headers.get('x-compute-request-id')
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if 'retry-after' in response.headers:
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kwargs['retry_after'] = response.headers.get('retry-after')
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if body:
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message = "n/a"
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details = "n/a"
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if hasattr(body, 'keys'):
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error = body[list(body)[0]]
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message = error.get('message')
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details = error.get('details')
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kwargs['message'] = message
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kwargs['details'] = details
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cls = _code_map.get(response.status_code, HttpError)
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return cls(**kwargs)
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