417 lines
11 KiB
Python
417 lines
11 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 _
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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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orig_msg = None
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orig_code = None
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def __init__(self, *args, **kwargs):
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try:
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if args:
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self.message = args[0]
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self.orig_msg = kwargs.get('orig_msg')
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self.orig_code = kwargs.get('orig_code')
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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 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 PolicyForbidden(APIException):
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msg = _("Policy does not allow this request to be performed.")
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code = 403
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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 InvalidFilterArgument(APIException):
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msg = "One or more arguments are either duplicate or invalid"
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code = 400
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class DisabledOption(APIException):
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msg = _("The selected %(option)s is not allowed in this deployment: "
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"%(value)s")
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code = 400
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class L7RuleValidation(APIException):
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msg = _("Error parsing L7Rule: %(error)s")
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code = 400
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class SingleCreateDetailsMissing(APIException):
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msg = _("Missing details for %(type)s object: %(name)s")
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code = 400
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class InvalidHMACException(OctaviaException):
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message = _("HMAC hashes didn't match")
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class MissingArguments(OctaviaException):
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message = _("Missing arguments.")
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class NetworkConfig(OctaviaException):
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message = _("Unable to allocate network resource from config")
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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 UnreadablePKCS12(APIException):
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msg = _("The PKCS12 bundle is unreadable. Please check the PKCS12 bundle "
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"validity. In addition, make sure it does not require a pass "
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"phrase. Error: %(error)s")
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code = 400
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class MisMatchedKey(OctaviaException):
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message = _("Key and x509 certificate do not match")
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class CertificateRetrievalException(APIException):
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msg = _('Could not retrieve certificate: %(ref)s')
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code = 400
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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 %(protocol)s "
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"and 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 PoolInUseByL7Policy(APIException):
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msg = _("Pool %(id)s is in use by L7 policy %(l7policy_id)s")
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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 LBPendingStateError(APIException):
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msg = _("Invalid state %(state)s of loadbalancer resource %(id)s")
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code = 409
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class TooManyL7RulesOnL7Policy(APIException):
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msg = _("Too many rules on L7 policy %(id)s")
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code = 409
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class ComputeBuildException(OctaviaException):
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message = _("Failed to build compute instance due to: %(fault)s")
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class ComputeBuildQueueTimeoutException(OctaviaException):
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message = _('Failed to get an amphora build slot.')
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class ComputeDeleteException(OctaviaException):
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message = _('Failed to delete compute instance. The compute service '
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'reports: %(compute_msg)s')
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class ComputeGetException(OctaviaException):
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message = _('Failed to retrieve compute instance.')
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class ComputeStatusException(OctaviaException):
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message = _('Failed to retrieve compute instance status.')
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class ComputeGetInterfaceException(OctaviaException):
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message = _('Failed to retrieve compute virtual interfaces.')
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class IDAlreadyExists(APIException):
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msg = _('Already an entity with that specified id.')
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code = 409
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class RecordAlreadyExists(APIException):
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msg = _('A %(field)s of %(name)s already exists.')
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code = 409
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class NoReadyAmphoraeException(OctaviaException):
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message = _('There are not any READY amphora available.')
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class GlanceNoTaggedImages(OctaviaException):
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message = _("No Glance images are tagged with %(tag)s tag.")
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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 compute to go active
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# on the instance
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class ComputeWaitTimeoutException(OctaviaException):
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message = _('Waiting for compute id %(id)s to go active timeout.')
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class ComputePortInUseException(OctaviaException):
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message = _('Compute driver reports port %(port)s is already in use.')
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class ComputeUnknownException(OctaviaException):
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message = _('Unknown exception from the compute driver: %(exc)s.')
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class InvalidTopology(OctaviaException):
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message = _('Invalid topology specified: %(topology)s')
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# L7 policy and rule exceptions
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class InvalidL7PolicyAction(APIException):
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msg = _('Invalid L7 Policy action specified: %(action)s')
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code = 400
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class InvalidL7PolicyArgs(APIException):
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msg = _('Invalid L7 Policy arguments: %(msg)s')
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code = 400
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class InvalidURL(OctaviaException):
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message = _('Not a valid URL: %(url)s')
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class InvalidURLPath(APIException):
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msg = _('Not a valid URLPath: %(url_path)s')
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code = 400
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class InvalidString(OctaviaException):
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message = _('Invalid characters in %(what)s')
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class InvalidRegex(OctaviaException):
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message = _('Unable to parse regular expression: %(e)s')
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class InvalidL7Rule(OctaviaException):
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message = _('Invalid L7 Rule: %(msg)s')
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class ServerGroupObjectCreateException(OctaviaException):
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message = _('Failed to create server group object.')
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class ServerGroupObjectDeleteException(OctaviaException):
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message = _('Failed to delete server group object.')
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class InvalidAmphoraOperatingSystem(OctaviaException):
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message = _('Invalid amphora operating system: %(os_name)s')
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class QuotaException(APIException):
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msg = _('Quota has been met for resources: %(resource)s')
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code = 403
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class ProjectBusyException(APIException):
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msg = _('Project busy. Unable to lock the project. Please try again.')
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code = 503
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class MissingProjectID(OctaviaException):
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message = _('Missing project ID in request where one is required.')
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class MissingAPIProjectID(APIException):
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message = _('Missing project ID in request where one is required.')
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code = 400
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class InvalidSubresource(APIException):
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msg = _('%(resource)s %(id)s not found.')
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code = 400
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class ValidationException(APIException):
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msg = _('Validation failure: %(detail)s')
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code = 400
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class VIPValidationException(APIException):
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msg = _('Validation failure: VIP must contain one of: %(objects)s.')
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code = 400
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class InvalidSortKey(APIException):
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msg = _("Supplied sort key '%(key)s' is not valid.")
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code = 400
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class InvalidSortDirection(APIException):
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msg = _("Supplied sort direction '%(key)s' is not valid.")
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code = 400
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class InvalidMarker(APIException):
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msg = _("Supplied pagination marker '%(key)s' is not valid.")
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code = 400
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class InvalidLimit(APIException):
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msg = _("Supplied pagination limit '%(key)s' is not valid.")
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code = 400
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class MissingVIPSecurityGroup(OctaviaException):
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message = _('VIP security group is missing for load balancer: %(lb_id)s')
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class ProviderNotEnabled(APIException):
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msg = _("Provider '%(prov)s' is not enabled.")
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code = 400
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class ProviderNotFound(APIException):
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msg = _("Provider '%(prov)s' was not found.")
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code = 501
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class ProviderDriverError(APIException):
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msg = _("Provider '%(prov)s' reports error: %(user_msg)s")
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code = 500
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class ProviderNotImplementedError(APIException):
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msg = _("Provider '%(prov)s' does not support a requested action: "
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"%(user_msg)s")
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code = 501
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class ProviderUnsupportedOptionError(APIException):
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msg = _("Provider '%(prov)s' does not support a requested option: "
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"%(user_msg)s")
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code = 501
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class InputFileError(OctaviaException):
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message = _('Error with file %(file_name)s. Reason: %(reason)s')
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class ObjectInUse(APIException):
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msg = _("%(object)s %(id)s is in use and cannot be modified.")
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code = 409
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class ProviderFlavorMismatchError(APIException):
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msg = _("Flavor '%(flav)s' is not compatible with provider '%(prov)s'")
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code = 400
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class VolumeDeleteException(OctaviaException):
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message = _('Failed to delete volume instance.')
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class VolumeGetException(OctaviaException):
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message = _('Failed to retrieve volume instance.')
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class NetworkServiceError(OctaviaException):
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message = _('The networking service had a failure: %(net_error)s')
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class InvalidIPAddress(APIException):
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msg = _('The IP Address %(ip_addr)s is invalid.')
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code = 400
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