Files
neutron/extensions/_exceptions.py
2011-08-22 13:02:00 -07:00

161 lines
4.2 KiB
Python

"""
# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2011 Cisco Systems, Inc. All rights reserved.
#
# 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.
#
# @author: Ying Liu, Cisco Systems, Inc.
#
"""
import logging
# pylint: disable-msg=E0602
class ExtensionException(Exception):
"""Quantum Cisco api Exception
Taken from nova.exception.NovaException
To correctly use this class, inherit from it and define
a 'message' property. That message will get printf'd
with the keyword arguments provided to the constructor.
"""
message = _("An unknown exception occurred.")
def __init__(self, **kwargs):
try:
self._error_string = self.message % kwargs
except Exception:
# at least get the core message out if something happened
self._error_string = self.message
def __str__(self):
"""Error Msg"""
return self._error_string
class ProcessExecutionError(IOError):
"""Process Exe Error"""
def __init__(self, stdout=None, stderr=None, exit_code=None, cmd=None,
description=None):
if description is None:
description = "Unexpected error while running command."
if exit_code is None:
exit_code = '-'
message = "%s\nCommand: %s\nExit code: %s\nStdout: %r\nStderr: %r" % (
description, cmd, exit_code, stdout, stderr)
IOError.__init__(self, message)
class Error(Exception):
"""Error Class"""
def __init__(self, message=None):
super(Error, self).__init__(message)
class ApiError(Error):
"""Api Error"""
def __init__(self, message='Unknown', code='Unknown'):
self.message = message
self.code = code
super(ApiError, self).__init__('%s: %s' % (code, message))
class NotFound(ExtensionException):
"""Error Msg"""
pass
class ClassNotFound(NotFound):
"""Extension Error Msg"""
message = _("Class %(class_name)s could not be found")
class PortprofileNotFound(NotFound):
"""Extension Error Msg"""
message = _("Portprofile %(_id)s could not be found")
class NovatenantNotFound(NotFound):
"""Extension Error Msg"""
message = _("Novatenant %(_id)s could not be found")
class PortNotFound(NotFound):
"""Extension Error"""
message = _("Port %(port_id)s could not be found " \
"on Network %(net_id)s")
class CredentialNotFound(NotFound):
"""Extension Error"""
message = _("Credential %(_id)s could not be found")
class QosNotFound(NotFound):
"""Extension Error"""
message = _("QoS %(_id)s could not be found")
class Duplicate(Error):
"""Duplication Error"""
pass
class NotAuthorized(Error):
"Not Auth Error"
pass
class NotEmpty(Error):
"""Not Empty Error"""
pass
class Invalid(Error):
"""Invalid Error"""
pass
class InvalidContentType(Invalid):
message = _("Invalid content type %(content_type)s.")
class BadInputError(Exception):
"""Error resulting from a client sending bad input to a server"""
pass
class MissingArgumentError(Error):
"""Miss arg error"""
pass
def wrap_exception(afunc):
"""Wrap Exception"""
def _wrap(*args, **kw):
"""Internal Wrap Exception func"""
try:
return afunc(*args, **kw)
except Exception, exp:
if not isinstance(exp, Error):
#exc_type, exc_value, exc_traceback = sys.exc_info()
logging.exception('Uncaught exception')
#logging.error(traceback.extract_stack(exc_traceback))
raise Error(str(exp))
raise
_wrap.func_name = afunc.func_name
return _wrap