166 lines
4.7 KiB
Python
166 lines
4.7 KiB
Python
# Copyright 2011 VMware, Inc, 2014 A10 Networks
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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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"""
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Octavia base exception handling.
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"""
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from oslo_utils import excutils
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from webob import exc
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from octavia.i18n import _LE, _LI
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class OctaviaException(Exception):
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"""Base Octavia 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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def __init__(self, *args, **kwargs):
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try:
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if len(args) > 0:
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self.message = args[0]
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super(OctaviaException, self).__init__(self.message % kwargs)
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self.msg = self.message % kwargs
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except Exception:
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with excutils.save_and_reraise_exception() as ctxt:
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if not self.use_fatal_exceptions():
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ctxt.reraise = False
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# at least get the core message out if something happened
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super(OctaviaException, self).__init__(self.message)
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def __unicode__(self):
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return unicode(self.msg)
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@staticmethod
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def use_fatal_exceptions():
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return False
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# NOTE(blogan) Using webob exceptions here because WSME exceptions a very
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# limited at this point and they do not work well in _lookup methods in the
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# controllers
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class APIException(exc.HTTPClientError):
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msg = "Something unknown went wrong"
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code = 500
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def __init__(self, **kwargs):
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self.msg = self.msg % kwargs
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super(APIException, self).__init__(detail=self.msg)
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class NotFound(APIException):
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msg = _('%(resource)s %(id)s not found.')
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code = 404
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class NotAuthorized(APIException):
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msg = _("Not authorized.")
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code = 401
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class InvalidOption(APIException):
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msg = _("%(value)s is not a valid option for %(option)s")
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code = 400
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class MissingArguments(OctaviaException):
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message = _("Missing arguments.")
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class NeedsPassphrase(OctaviaException):
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message = _("Passphrase needed to decrypt key but client "
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"did not provide one.")
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class UnreadableCert(OctaviaException):
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message = _("Could not read X509 from PEM")
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class MisMatchedKey(OctaviaException):
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message = _("Key and x509 certificate do not match")
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class CertificateStorageException(OctaviaException):
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message = _('Could not store certificate: %(msg)s')
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class CertificateGenerationException(OctaviaException):
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message = _('Could not sign the certificate request: %(msg)s')
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class DuplicateListenerEntry(APIException):
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msg = _("Another Listener on this Load Balancer "
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"is already using protocol_port %(port)d")
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code = 409
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class DuplicateMemberEntry(APIException):
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msg = _("Another member on this pool is already using ip %(ip_address)s "
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"on protocol_port %(port)d")
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code = 409
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class DuplicateHealthMonitor(APIException):
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msg = _("This pool already has a health monitor")
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code = 409
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class DuplicatePoolEntry(APIException):
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msg = _("This listener already has a default pool")
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code = 409
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class ImmutableObject(APIException):
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msg = _("%(resource)s %(id)s is immutable and cannot be updated.")
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code = 409
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class ComputeBuildException(OctaviaException):
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message = _LE('Failed to build nova instance.')
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class ComputeDeleteException(OctaviaException):
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message = _LE('Failed to delete nova instance.')
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class ComputeGetException(OctaviaException):
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message = _LE('Failed to retrieve nova instance.')
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class ComputeStatusException(OctaviaException):
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message = _LE('Failed to retrieve nova instance status.')
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class IDAlreadyExists(OctaviaException):
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message = _LE('Already an entity with that specified id.')
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code = 409
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class NoSuitableAmphoraException(OctaviaException):
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message = _LE('Unable to allocate an amphora due to: %(msg)s')
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# This is an internal use exception for the taskflow work flow
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# and will not be exposed to the customer. This means it is a
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# normal part of operation while waiting for nova to go active
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# on the instance
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class ComputeWaitTimeoutException(OctaviaException):
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message = _LI('Waiting for compute to go active timeout.')
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