132 lines
3.6 KiB
Python
132 lines
3.6 KiB
Python
# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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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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"""Cue base exception handling.
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Includes decorator for re-raising Cue-type exceptions.
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SHOULD include dedicated exception logging.
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"""
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from oslo.config import cfg
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from oslo.log import log as logging
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import six
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from cue.common.i18n import _ # noqa
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from cue.common.i18n import _LE # noqa
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LOG = logging.getLogger(__name__)
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exc_log_opts = [
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cfg.BoolOpt('fatal_exception_format_errors',
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default=False,
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help='Make exception message format errors fatal.'),
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]
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CONF = cfg.CONF
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CONF.register_opts(exc_log_opts)
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def _cleanse_dict(original):
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"""Strip all admin_password, new_pass, rescue_pass keys from a dict."""
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return dict((k, v) for k, v in original.iteritems() if "_pass" not in k)
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class CueException(Exception):
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"""Base Cue Exception
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To correctly use this class, inherit from it and define
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a 'message' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = _("An unknown exception occurred.")
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code = 500
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headers = {}
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safe = False
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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if 'code' not in self.kwargs:
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try:
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self.kwargs['code'] = self.code
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except AttributeError:
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pass
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if not message:
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try:
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message = self.message % kwargs
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except Exception as e:
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# kwargs doesn't match a variable in the message
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# log the issue and the kwargs
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LOG.exception(_LE('Exception in string format operation'))
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for name, value in kwargs.iteritems():
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LOG.error("%s: %s" % (name, value))
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if CONF.fatal_exception_format_errors:
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raise e
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else:
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# at least get the core message out if something happened
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message = self.message
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super(CueException, self).__init__(message)
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def format_message(self):
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if self.__class__.__name__.endswith('_Remote'):
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return self.args[0]
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else:
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return six.text_type(self)
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class NotAuthorized(CueException):
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message = _("Not authorized.")
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code = 403
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class OperationNotPermitted(NotAuthorized):
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message = _("Operation not permitted.")
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class Invalid(CueException):
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message = _("Unacceptable parameters.")
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code = 400
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class Conflict(CueException):
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message = _('Conflict.')
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code = 409
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class TemporaryFailure(CueException):
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message = _("Resource temporarily unavailable, please retry.")
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code = 503
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class InvalidState(Conflict):
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message = _("Invalid resource state.")
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class NodeAlreadyExists(Conflict):
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message = _("A node with UUID %(uuid)s already exists.")
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class ConfigurationError(CueException):
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message = _("Configuration Error")
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