The novaclient.exceptions Module

Exception definitions.

exception novaclient.exceptions.AmbiguousEndpoints(endpoints=None)

Bases: exceptions.Exception

Found more than one matching endpoint in Service Catalog.

exception novaclient.exceptions.AuthSystemNotFound(auth_system)

Bases: exceptions.Exception

When the user specify a AuthSystem but not installed.

exception novaclient.exceptions.AuthorizationFailure

Bases: exceptions.Exception

exception novaclient.exceptions.BadRequest(code, message=None, details=None, request_id=None)

Bases: novaclient.exceptions.ClientException

HTTP 400 - Bad request: you sent some malformed data.

http_status = 400
message = 'Bad request'
exception novaclient.exceptions.ClientException(code, message=None, details=None, request_id=None)

Bases: exceptions.Exception

The base exception class for all exceptions this library raises.

exception novaclient.exceptions.CommandError

Bases: exceptions.Exception

exception novaclient.exceptions.ConnectionRefused(response=None)

Bases: exceptions.Exception

Connection refused: the server refused the connection.

exception novaclient.exceptions.EndpointNotFound

Bases: exceptions.Exception

Could not find Service or Region in Service Catalog.

exception novaclient.exceptions.Forbidden(code, message=None, details=None, request_id=None)

Bases: novaclient.exceptions.ClientException

HTTP 403 - Forbidden: your credentials don’t give you access to this resource.

http_status = 403
message = 'Forbidden'
exception novaclient.exceptions.HTTPNotImplemented(code, message=None, details=None, request_id=None)

Bases: novaclient.exceptions.ClientException

HTTP 501 - Not Implemented: the server does not support this operation.

http_status = 501
message = 'Not Implemented'
exception novaclient.exceptions.NoTokenLookupException

Bases: exceptions.Exception

This form of authentication does not support looking up endpoints from an existing token.

exception novaclient.exceptions.NoUniqueMatch

Bases: exceptions.Exception

exception novaclient.exceptions.NotFound(code, message=None, details=None, request_id=None)

Bases: novaclient.exceptions.ClientException

HTTP 404 - Not found

http_status = 404
message = 'Not found'
exception novaclient.exceptions.OverLimit(code, message=None, details=None, request_id=None)

Bases: novaclient.exceptions.ClientException

HTTP 413 - Over limit: you’re over the API limits for this time period.

http_status = 413
message = 'Over limit'
exception novaclient.exceptions.Unauthorized(code, message=None, details=None, request_id=None)

Bases: novaclient.exceptions.ClientException

HTTP 401 - Unauthorized: bad credentials.

http_status = 401
message = 'Unauthorized'
exception novaclient.exceptions.UnsupportedVersion

Bases: exceptions.Exception

Indicates that the user is trying to use an unsupported version of the API

novaclient.exceptions.from_response(response, body)

Return an instance of an ClientException or subclass based on an requests response.

Usage:

resp, body = requests.request(...)
if resp.status_code != 200:
    raise exception_from_response(resp, rest.text)

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