Map keystoneclient exceptions to keystoneauth
To allow people to use a keystoneauth session with keystoneclient we need to make it so that any exceptions that keystoneclient catch are the same as what keystoneauth might throw. The only practical way to do this is to map the keystoneclient exceptions onto the keystoneauth equivalents. This is fairly easy as all these exceptions were extracted from keystoneclient initially. Closes-Bug: #1515048 Change-Id: I3b74b0ba1e1f9dda937a2d90e2d75ff0b7597a9b
This commit is contained in:
Jamie Lennox
@@ -224,7 +224,9 @@ latex_documents = [
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# If false, no module index is generated.
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#latex_use_modindex = True
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keystoneauth_url = 'http://docs.openstack.org/developer/keystoneauth/'
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intersphinx_mapping = {
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'python': ('http://docs.python.org/', None),
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'osloconfig': ('http://docs.openstack.org/developer/oslo.config/', None),
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'keystoneauth1': (keystoneauth_url, None),
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}
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@@ -14,18 +14,40 @@
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# under the License.
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"""Exception definitions."""
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import inspect
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import sys
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import six
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from keystoneauth1 import exceptions as _exc
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from keystoneclient.i18n import _
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class ClientException(Exception):
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ClientException = _exc.ClientException
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"""The base exception class for all exceptions this library raises.
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An alias of :py:exc:`keystoneauth1.exceptions.base.ClientException`
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"""
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ConnectionError = _exc.ConnectionError
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"""Cannot connect to API service.
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An alias of :py:exc:`keystoneauth1.exceptions.connection.ConnectionError`
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"""
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ConnectionRefused = _exc.ConnectFailure
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"""Connection refused while trying to connect to API service.
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An alias of :py:exc:`keystoneauth1.exceptions.connection.ConnectFailure`
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"""
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SSLError = _exc.SSLError
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"""An SSL error occurred.
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An alias of :py:exc:`keystoneauth1.exceptions.connection.SSLError`
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"""
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AuthorizationFailure = _exc.AuthorizationFailure
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"""Cannot authorize API client.
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An alias of :py:exc:`keystoneauth1.exceptions.auth.AuthorizationFailure`
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"""
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pass
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class ValidationError(ClientException):
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@@ -43,21 +65,6 @@ class CommandError(ClientException):
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pass
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class AuthorizationFailure(ClientException):
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"""Cannot authorize API client."""
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pass
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class ConnectionError(ClientException):
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"""Cannot connect to API service."""
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pass
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class ConnectionRefused(ConnectionError):
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"""Connection refused while trying to connect to API service."""
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pass
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class AuthPluginOptionsMissing(AuthorizationFailure):
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"""Auth plugin misses some options."""
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def __init__(self, opt_names):
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@@ -80,14 +87,17 @@ class NoUniqueMatch(ClientException):
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pass
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class EndpointException(ClientException):
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"""Something is rotten in Service Catalog."""
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pass
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EndpointException = _exc.CatalogException
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"""Something is rotten in Service Catalog.
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An alias of :py:exc:`keystoneauth1.exceptions.catalog.CatalogException`
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"""
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class EndpointNotFound(EndpointException):
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"""Could not find requested endpoint in Service Catalog."""
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pass
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EndpointNotFound = _exc.EndpointNotFound
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"""Could not find requested endpoint in Service Catalog.
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An alias of :py:exc:`keystoneauth1.exceptions.catalog.EndpointNotFound`
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"""
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class AmbiguousEndpoints(EndpointException):
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@@ -98,26 +108,26 @@ class AmbiguousEndpoints(EndpointException):
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self.endpoints = endpoints
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class HttpError(ClientException):
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HttpError = _exc.HttpError
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"""The base exception class for all HTTP exceptions.
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"""
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http_status = 0
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message = _("HTTP Error")
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def __init__(self, message=None, details=None,
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response=None, request_id=None,
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url=None, method=None, http_status=None):
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self.http_status = http_status or self.http_status
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self.message = message or self.message
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self.details = details
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self.request_id = request_id
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self.response = response
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self.url = url
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self.method = method
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formatted_string = "%s (HTTP %s)" % (self.message, self.http_status)
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if request_id:
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formatted_string += " (Request-ID: %s)" % request_id
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super(HttpError, self).__init__(formatted_string)
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An alias of :py:exc:`keystoneauth1.exceptions.http.HttpError`
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"""
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HTTPClientError = _exc.HTTPClientError
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"""Client-side HTTP error.
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Exception for cases in which the client seems to have erred.
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An alias of :py:exc:`keystoneauth1.exceptions.http.HTTPClientError`
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"""
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HttpServerError = _exc.HttpServerError
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"""Server-side HTTP error.
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Exception for cases in which the server is aware that it has
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erred or is incapable of performing the request.
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An alias of :py:exc:`keystoneauth1.exceptions.http.HttpServerError`
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"""
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class HTTPRedirection(HttpError):
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@@ -125,23 +135,6 @@ class HTTPRedirection(HttpError):
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message = _("HTTP Redirection")
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class HTTPClientError(HttpError):
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"""Client-side HTTP error.
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Exception for cases in which the client seems to have erred.
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"""
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message = _("HTTP Client Error")
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class HttpServerError(HttpError):
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"""Server-side HTTP error.
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Exception for cases in which the server is aware that it has
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erred or is incapable of performing the request.
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"""
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message = _("HTTP Server Error")
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class MultipleChoices(HTTPRedirection):
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"""HTTP 300 - Multiple Choices.
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@@ -152,318 +145,207 @@ class MultipleChoices(HTTPRedirection):
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message = _("Multiple Choices")
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class BadRequest(HTTPClientError):
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BadRequest = _exc.BadRequest
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"""HTTP 400 - Bad Request.
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The request cannot be fulfilled due to bad syntax.
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An alias of :py:exc:`keystoneauth1.exceptions.http.BadRequest`
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"""
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http_status = 400
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message = _("Bad Request")
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class Unauthorized(HTTPClientError):
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Unauthorized = _exc.Unauthorized
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"""HTTP 401 - Unauthorized.
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Similar to 403 Forbidden, but specifically for use when authentication
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is required and has failed or has not yet been provided.
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An alias of :py:exc:`keystoneauth1.exceptions.http.Unauthorized`
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"""
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http_status = 401
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message = _("Unauthorized")
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class PaymentRequired(HTTPClientError):
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PaymentRequired = _exc.PaymentRequired
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"""HTTP 402 - Payment Required.
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Reserved for future use.
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An alias of :py:exc:`keystoneauth1.exceptions.http.PaymentRequired`
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"""
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http_status = 402
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message = _("Payment Required")
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class Forbidden(HTTPClientError):
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Forbidden = _exc.Forbidden
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"""HTTP 403 - Forbidden.
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The request was a valid request, but the server is refusing to respond
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to it.
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An alias of :py:exc:`keystoneauth1.exceptions.http.Forbidden`
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"""
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http_status = 403
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message = _("Forbidden")
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class NotFound(HTTPClientError):
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NotFound = _exc.NotFound
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"""HTTP 404 - Not Found.
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The requested resource could not be found but may be available again
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in the future.
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An alias of :py:exc:`keystoneauth1.exceptions.http.NotFound`
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"""
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http_status = 404
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message = _("Not Found")
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class MethodNotAllowed(HTTPClientError):
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MethodNotAllowed = _exc.MethodNotAllowed
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"""HTTP 405 - Method Not Allowed.
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A request was made of a resource using a request method not supported
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by that resource.
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An alias of :py:exc:`keystoneauth1.exceptions.http.MethodNotAllowed`
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"""
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http_status = 405
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message = _("Method Not Allowed")
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class NotAcceptable(HTTPClientError):
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NotAcceptable = _exc.NotAcceptable
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"""HTTP 406 - Not Acceptable.
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The requested resource is only capable of generating content not
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acceptable according to the Accept headers sent in the request.
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An alias of :py:exc:`keystoneauth1.exceptions.http.NotAcceptable`
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"""
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http_status = 406
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message = _("Not Acceptable")
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class ProxyAuthenticationRequired(HTTPClientError):
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ProxyAuthenticationRequired = _exc.ProxyAuthenticationRequired
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"""HTTP 407 - Proxy Authentication Required.
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The client must first authenticate itself with the proxy.
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An alias of :py:exc:`keystoneauth1.exceptions.http.ProxyAuthenticationRequired`
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"""
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http_status = 407
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message = _("Proxy Authentication Required")
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class RequestTimeout(HTTPClientError):
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RequestTimeout = _exc.RequestTimeout
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"""HTTP 408 - Request Timeout.
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The server timed out waiting for the request.
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An alias of :py:exc:`keystoneauth1.exceptions.http.RequestTimeout`
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"""
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http_status = 408
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message = _("Request Timeout")
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class Conflict(HTTPClientError):
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Conflict = _exc.Conflict
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"""HTTP 409 - Conflict.
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Indicates that the request could not be processed because of conflict
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in the request, such as an edit conflict.
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An alias of :py:exc:`keystoneauth1.exceptions.http.Conflict`
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"""
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http_status = 409
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message = _("Conflict")
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class Gone(HTTPClientError):
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Gone = _exc.Gone
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"""HTTP 410 - Gone.
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Indicates that the resource requested is no longer available and will
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not be available again.
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An alias of :py:exc:`keystoneauth1.exceptions.http.Gone`
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"""
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http_status = 410
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message = _("Gone")
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class LengthRequired(HTTPClientError):
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LengthRequired = _exc.LengthRequired
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"""HTTP 411 - Length Required.
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The request did not specify the length of its content, which is
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required by the requested resource.
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An alias of :py:exc:`keystoneauth1.exceptions.http.LengthRequired`
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"""
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http_status = 411
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message = _("Length Required")
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class PreconditionFailed(HTTPClientError):
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PreconditionFailed = _exc.PreconditionFailed
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"""HTTP 412 - Precondition Failed.
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The server does not meet one of the preconditions that the requester
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put on the request.
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An alias of :py:exc:`keystoneauth1.exceptions.http.PreconditionFailed`
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"""
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http_status = 412
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message = _("Precondition Failed")
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class RequestEntityTooLarge(HTTPClientError):
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RequestEntityTooLarge = _exc.RequestEntityTooLarge
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"""HTTP 413 - Request Entity Too Large.
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The request is larger than the server is willing or able to process.
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An alias of :py:exc:`keystoneauth1.exceptions.http.RequestEntityTooLarge`
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"""
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http_status = 413
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message = _("Request Entity Too Large")
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def __init__(self, *args, **kwargs):
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try:
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self.retry_after = int(kwargs.pop('retry_after'))
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except (KeyError, ValueError):
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self.retry_after = 0
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super(RequestEntityTooLarge, self).__init__(*args, **kwargs)
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class RequestUriTooLong(HTTPClientError):
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RequestUriTooLong = _exc.RequestUriTooLong
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"""HTTP 414 - Request-URI Too Long.
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The URI provided was too long for the server to process.
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An alias of :py:exc:`keystoneauth1.exceptions.http.RequestUriTooLong`
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"""
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http_status = 414
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message = _("Request-URI Too Long")
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class UnsupportedMediaType(HTTPClientError):
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UnsupportedMediaType = _exc.UnsupportedMediaType
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"""HTTP 415 - Unsupported Media Type.
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The request entity has a media type which the server or resource does
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not support.
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An alias of :py:exc:`keystoneauth1.exceptions.http.UnsupportedMediaType`
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"""
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http_status = 415
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message = _("Unsupported Media Type")
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class RequestedRangeNotSatisfiable(HTTPClientError):
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RequestedRangeNotSatisfiable = _exc.RequestedRangeNotSatisfiable
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"""HTTP 416 - Requested Range Not Satisfiable.
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The client has asked for a portion of the file, but the server cannot
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supply that portion.
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An alias of
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:py:exc:`keystoneauth1.exceptions.http.RequestedRangeNotSatisfiable`
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"""
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http_status = 416
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message = _("Requested Range Not Satisfiable")
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class ExpectationFailed(HTTPClientError):
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ExpectationFailed = _exc.ExpectationFailed
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"""HTTP 417 - Expectation Failed.
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The server cannot meet the requirements of the Expect request-header field.
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An alias of :py:exc:`keystoneauth1.exceptions.http.ExpectationFailed`
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"""
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http_status = 417
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message = _("Expectation Failed")
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class UnprocessableEntity(HTTPClientError):
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UnprocessableEntity = _exc.UnprocessableEntity
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"""HTTP 422 - Unprocessable Entity.
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The request was well-formed but was unable to be followed due to semantic
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errors.
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An alias of :py:exc:`keystoneauth1.exceptions.http.UnprocessableEntity`
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"""
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http_status = 422
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message = _("Unprocessable Entity")
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class InternalServerError(HttpServerError):
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InternalServerError = _exc.InternalServerError
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"""HTTP 500 - Internal Server Error.
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A generic error message, given when no more specific message is suitable.
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An alias of :py:exc:`keystoneauth1.exceptions.http.InternalServerError`
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"""
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http_status = 500
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message = _("Internal Server Error")
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# NotImplemented is a python keyword.
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class HttpNotImplemented(HttpServerError):
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HttpNotImplemented = _exc.HttpNotImplemented
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"""HTTP 501 - Not Implemented.
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The server either does not recognize the request method, or it lacks
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the ability to fulfill the request.
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An alias of :py:exc:`keystoneauth1.exceptions.http.HttpNotImplemented`
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"""
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http_status = 501
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message = _("Not Implemented")
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class BadGateway(HttpServerError):
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BadGateway = _exc.BadGateway
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"""HTTP 502 - Bad Gateway.
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The server was acting as a gateway or proxy and received an invalid
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response from the upstream server.
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An alias of :py:exc:`keystoneauth1.exceptions.http.BadGateway`
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"""
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http_status = 502
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message = _("Bad Gateway")
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class ServiceUnavailable(HttpServerError):
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ServiceUnavailable = _exc.ServiceUnavailable
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"""HTTP 503 - Service Unavailable.
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The server is currently unavailable.
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An alias of :py:exc:`keystoneauth1.exceptions.http.ServiceUnavailable`
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"""
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http_status = 503
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message = _("Service Unavailable")
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class GatewayTimeout(HttpServerError):
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GatewayTimeout = _exc.GatewayTimeout
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"""HTTP 504 - Gateway Timeout.
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The server was acting as a gateway or proxy and did not receive a timely
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response from the upstream server.
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An alias of :py:exc:`keystoneauth1.exceptions.http.GatewayTimeout`
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"""
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http_status = 504
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message = _("Gateway Timeout")
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class HttpVersionNotSupported(HttpServerError):
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HttpVersionNotSupported = _exc.HttpVersionNotSupported
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"""HTTP 505 - HttpVersion Not Supported.
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The server does not support the HTTP protocol version used in the request.
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An alias of :py:exc:`keystoneauth1.exceptions.http.HttpVersionNotSupported`
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"""
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http_status = 505
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message = _("HTTP Version Not Supported")
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# _code_map contains all the classes that have http_status attribute.
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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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def from_response(response, method, url):
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from_response = _exc.from_response
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"""Returns an instance of :class:`HttpError` or subclass based on response.
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:param response: instance of `requests.Response` class
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:param method: HTTP method used for request
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:param url: URL used for request
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An alias of :py:func:`keystoneauth1.exceptions.http.from_response`
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"""
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req_id = response.headers.get("x-openstack-request-id")
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# NOTE(hdd) true for older versions of nova and cinder
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if not req_id:
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req_id = response.headers.get("x-compute-request-id")
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kwargs = {
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"http_status": response.status_code,
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"response": response,
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"method": method,
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"url": url,
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"request_id": req_id,
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}
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if "retry-after" in response.headers:
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kwargs["retry_after"] = response.headers["retry-after"]
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content_type = response.headers.get("Content-Type", "")
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if content_type.startswith("application/json"):
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try:
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body = response.json()
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except ValueError:
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pass
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||||
else:
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if isinstance(body, dict):
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error = body.get(list(body)[0])
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if isinstance(error, dict):
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kwargs["message"] = (error.get("message") or
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error.get("faultstring"))
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kwargs["details"] = (error.get("details") or
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||||
six.text_type(body))
|
||||
elif content_type.startswith("text/"):
|
||||
kwargs["details"] = getattr(response, 'text', '')
|
||||
|
||||
try:
|
||||
cls = _code_map[response.status_code]
|
||||
except KeyError:
|
||||
if 500 <= response.status_code < 600:
|
||||
cls = HttpServerError
|
||||
elif 400 <= response.status_code < 500:
|
||||
cls = HTTPClientError
|
||||
else:
|
||||
cls = HttpError
|
||||
return cls(**kwargs)
|
||||
|
||||
|
||||
# NOTE(akurilin): This alias should be left here to support backwards
|
||||
# compatibility until we are sure that usage of these exceptions in
|
||||
# projects is correct.
|
||||
ConnectionError = ConnectionRefused
|
||||
HTTPNotImplemented = HttpNotImplemented
|
||||
Timeout = RequestTimeout
|
||||
HTTPError = HttpError
|
||||
@@ -484,48 +366,41 @@ class CMSError(Exception):
|
||||
msg = _('Unable to sign or verify data.')
|
||||
super(CMSError, self).__init__(msg)
|
||||
|
||||
EmptyCatalog = _exc.EmptyCatalog
|
||||
"""The service catalog is empty.
|
||||
|
||||
class EmptyCatalog(EndpointNotFound):
|
||||
"""The service catalog is empty."""
|
||||
pass
|
||||
An alias of :py:exc:`keystoneauth1.exceptions.catalog.EmptyCatalog`
|
||||
"""
|
||||
|
||||
DiscoveryFailure = _exc.DiscoveryFailure
|
||||
"""Discovery of client versions failed.
|
||||
|
||||
class SSLError(ConnectionRefused):
|
||||
"""An SSL error occurred."""
|
||||
An alias of :py:exc:`keystoneauth1.exceptions.discovery.DiscoveryFailure`
|
||||
"""
|
||||
|
||||
VersionNotAvailable = _exc.VersionNotAvailable
|
||||
"""Discovery failed as the version you requested is not available.
|
||||
|
||||
class DiscoveryFailure(ClientException):
|
||||
"""Discovery of client versions failed."""
|
||||
|
||||
|
||||
class VersionNotAvailable(DiscoveryFailure):
|
||||
"""Discovery failed as the version you requested is not available."""
|
||||
An alias of :py:exc:`keystoneauth1.exceptions.discovery.VersionNotAvailable`
|
||||
"""
|
||||
|
||||
|
||||
class MethodNotImplemented(ClientException):
|
||||
"""Method not implemented by the keystoneclient API."""
|
||||
|
||||
MissingAuthPlugin = _exc.MissingAuthPlugin
|
||||
"""An authenticated request is required but no plugin available.
|
||||
|
||||
class MissingAuthPlugin(ClientException):
|
||||
"""An authenticated request is required but no plugin available."""
|
||||
An alias of :py:exc:`keystoneauth1.exceptions.auth_plugins.MissingAuthPlugin`
|
||||
"""
|
||||
|
||||
|
||||
class NoMatchingPlugin(ClientException):
|
||||
NoMatchingPlugin = _exc.NoMatchingPlugin
|
||||
"""There were no auth plugins that could be created from the parameters
|
||||
provided.
|
||||
|
||||
:param str name: The name of the plugin that was attempted to load.
|
||||
|
||||
.. py:attribute:: name
|
||||
|
||||
The name of the plugin that was attempted to load.
|
||||
An alias of :py:exc:`keystoneauth1.exceptions.auth_plugins.NoMatchingPlugin`
|
||||
"""
|
||||
|
||||
def __init__(self, name):
|
||||
self.name = name
|
||||
msg = _('The plugin %s could not be found') % name
|
||||
super(NoMatchingPlugin, self).__init__(msg)
|
||||
|
||||
|
||||
class UnsupportedParameters(ClientException):
|
||||
"""A parameter that was provided or returned is not supported.
|
||||
|
||||
Reference in New Issue
Block a user