81ec72ecf8
Remove deprecated methods, properties and unused classes. Change-Id: I16e0b6e55a9c9da04c4582f9be672018d37bf368
286 lines
8.0 KiB
Python
286 lines
8.0 KiB
Python
# Copyright 2010 Jacob Kaplan-Moss
|
|
#
|
|
# 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.
|
|
|
|
"""
|
|
Exception definitions.
|
|
"""
|
|
|
|
|
|
class UnsupportedVersion(Exception):
|
|
"""Indicates that the user is trying to use an unsupported
|
|
version of the API.
|
|
"""
|
|
pass
|
|
|
|
|
|
class UnsupportedConsoleType(Exception):
|
|
"""Indicates that the user is trying to use an unsupported
|
|
console type when retrieving console urls of servers.
|
|
"""
|
|
def __init__(self, console_type):
|
|
self.message = 'Unsupported console_type "%s"' % console_type
|
|
|
|
|
|
class UnsupportedAttribute(AttributeError):
|
|
"""Indicates that the user is trying to transmit the argument to a method,
|
|
which is not supported by selected version.
|
|
"""
|
|
|
|
def __init__(self, argument_name, start_version, end_version=None):
|
|
if end_version:
|
|
self.message = (
|
|
"'%(name)s' argument is only allowed for microversions "
|
|
"%(start)s - %(end)s." % {"name": argument_name,
|
|
"start": start_version,
|
|
"end": end_version})
|
|
else:
|
|
self.message = (
|
|
"'%(name)s' argument is only allowed since microversion "
|
|
"%(start)s." % {"name": argument_name, "start": start_version})
|
|
super(UnsupportedAttribute, self).__init__(self.message)
|
|
|
|
|
|
class CommandError(Exception):
|
|
pass
|
|
|
|
|
|
class NoUniqueMatch(Exception):
|
|
pass
|
|
|
|
|
|
class ResourceInErrorState(Exception):
|
|
"""Resource is in the error state."""
|
|
|
|
def __init__(self, obj):
|
|
msg = "`%s` resource is in the error state" % obj.__class__.__name__
|
|
fault_msg = getattr(obj, "fault", {}).get("message")
|
|
if fault_msg:
|
|
msg += "due to '%s'" % fault_msg
|
|
self.message = "%s." % msg
|
|
|
|
|
|
class VersionNotFoundForAPIMethod(Exception):
|
|
msg_fmt = "API version '%(vers)s' is not supported on '%(method)s' method."
|
|
|
|
def __init__(self, version, method):
|
|
self.version = version
|
|
self.method = method
|
|
|
|
def __str__(self):
|
|
return self.msg_fmt % {"vers": self.version, "method": self.method}
|
|
|
|
|
|
class InstanceInDeletedState(Exception):
|
|
"""Instance is in the deleted state."""
|
|
pass
|
|
|
|
|
|
class ClientException(Exception):
|
|
"""
|
|
The base exception class for all exceptions this library raises.
|
|
"""
|
|
message = 'Unknown Error'
|
|
|
|
def __init__(self, code, message=None, details=None, request_id=None,
|
|
url=None, method=None):
|
|
self.code = code
|
|
self.message = message or self.__class__.message
|
|
self.details = details
|
|
self.request_id = request_id
|
|
self.url = url
|
|
self.method = method
|
|
|
|
def __str__(self):
|
|
formatted_string = "%s (HTTP %s)" % (self.message, self.code)
|
|
if self.request_id:
|
|
formatted_string += " (Request-ID: %s)" % self.request_id
|
|
|
|
return formatted_string
|
|
|
|
|
|
class RetryAfterException(ClientException):
|
|
"""
|
|
The base exception class for ClientExceptions that use Retry-After header.
|
|
"""
|
|
def __init__(self, *args, **kwargs):
|
|
try:
|
|
self.retry_after = int(kwargs.pop('retry_after'))
|
|
except (KeyError, ValueError):
|
|
self.retry_after = 0
|
|
|
|
super(RetryAfterException, self).__init__(*args, **kwargs)
|
|
|
|
|
|
class BadRequest(ClientException):
|
|
"""
|
|
HTTP 400 - Bad request: you sent some malformed data.
|
|
"""
|
|
http_status = 400
|
|
message = "Bad request"
|
|
|
|
|
|
class Unauthorized(ClientException):
|
|
"""
|
|
HTTP 401 - Unauthorized: bad credentials.
|
|
"""
|
|
http_status = 401
|
|
message = "Unauthorized"
|
|
|
|
|
|
class Forbidden(ClientException):
|
|
"""
|
|
HTTP 403 - Forbidden: your credentials don't give you access to this
|
|
resource.
|
|
"""
|
|
http_status = 403
|
|
message = "Forbidden"
|
|
|
|
|
|
class NotFound(ClientException):
|
|
"""
|
|
HTTP 404 - Not found
|
|
"""
|
|
http_status = 404
|
|
message = "Not found"
|
|
|
|
|
|
class MethodNotAllowed(ClientException):
|
|
"""
|
|
HTTP 405 - Method Not Allowed
|
|
"""
|
|
http_status = 405
|
|
message = "Method Not Allowed"
|
|
|
|
|
|
class NotAcceptable(ClientException):
|
|
"""
|
|
HTTP 406 - Not Acceptable
|
|
"""
|
|
http_status = 406
|
|
message = "Not Acceptable"
|
|
|
|
|
|
class Conflict(ClientException):
|
|
"""
|
|
HTTP 409 - Conflict
|
|
"""
|
|
http_status = 409
|
|
message = "Conflict"
|
|
|
|
|
|
class OverLimit(RetryAfterException):
|
|
"""
|
|
HTTP 413 - Over limit: you're over the API limits for this time period.
|
|
"""
|
|
http_status = 413
|
|
message = "Over limit"
|
|
|
|
|
|
class RateLimit(RetryAfterException):
|
|
"""
|
|
HTTP 429 - Rate limit: you've sent too many requests for this time period.
|
|
"""
|
|
http_status = 429
|
|
message = "Rate limit"
|
|
|
|
|
|
# NotImplemented is a python keyword.
|
|
class HTTPNotImplemented(ClientException):
|
|
"""
|
|
HTTP 501 - Not Implemented: the server does not support this operation.
|
|
"""
|
|
http_status = 501
|
|
message = "Not Implemented"
|
|
|
|
|
|
# In Python 2.4 Exception is old-style and thus doesn't have a __subclasses__()
|
|
# so we can do this:
|
|
# _code_map = dict((c.http_status, c)
|
|
# for c in ClientException.__subclasses__())
|
|
#
|
|
# Instead, we have to hardcode it:
|
|
_error_classes = [BadRequest, Unauthorized, Forbidden, NotFound,
|
|
MethodNotAllowed, NotAcceptable, Conflict, OverLimit,
|
|
RateLimit, HTTPNotImplemented]
|
|
_code_map = dict((c.http_status, c) for c in _error_classes)
|
|
|
|
|
|
class InvalidUsage(RuntimeError):
|
|
"""This function call is invalid in the way you are using this client.
|
|
|
|
Due to the transition to using keystoneauth some function calls are no
|
|
longer available. You should make a similar call to the session object
|
|
instead.
|
|
"""
|
|
pass
|
|
|
|
|
|
def from_response(response, body, url, method=None):
|
|
"""
|
|
Return an instance of an ClientException or subclass
|
|
based on a requests response.
|
|
|
|
Usage::
|
|
|
|
resp, body = requests.request(...)
|
|
if resp.status_code != 200:
|
|
raise exception_from_response(resp, rest.text)
|
|
"""
|
|
cls = _code_map.get(response.status_code, ClientException)
|
|
|
|
kwargs = {
|
|
'code': response.status_code,
|
|
'method': method,
|
|
'url': url,
|
|
'request_id': None,
|
|
}
|
|
|
|
if response.headers:
|
|
kwargs['request_id'] = response.headers.get('x-compute-request-id')
|
|
|
|
if (issubclass(cls, RetryAfterException) and
|
|
'retry-after' in response.headers):
|
|
kwargs['retry_after'] = response.headers.get('retry-after')
|
|
|
|
if body:
|
|
message = "n/a"
|
|
details = "n/a"
|
|
|
|
if hasattr(body, 'keys'):
|
|
# NOTE(mriedem): WebOb<1.6.0 will return a nested dict structure
|
|
# where the error keys to the message/details/code. WebOb>=1.6.0
|
|
# returns just a response body as a single dict, not nested,
|
|
# so we have to handle both cases (since we can't trust what we're
|
|
# given with content_type: application/json either way.
|
|
if 'message' in body:
|
|
# WebOb 1.6.0 case
|
|
message = body.get('message')
|
|
details = body.get('details')
|
|
else:
|
|
# WebOb<1.6.0 where we assume there is a single error message
|
|
# key to the body that has the message and details.
|
|
error = body[list(body)[0]]
|
|
message = error.get('message')
|
|
details = error.get('details')
|
|
|
|
kwargs['message'] = message
|
|
kwargs['details'] = details
|
|
|
|
return cls(**kwargs)
|
|
|
|
|
|
class ResourceNotFound(Exception):
|
|
"""Error in getting the resource."""
|
|
pass
|