# octavia.common.exceptions

# Source code for octavia.common.exceptions

    # Copyright 2011 VMware, Inc, 2014 A10 Networks
    # 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.

    """
    Octavia base exception handling.
    """

    from oslo_utils import excutils
    from webob import exc

    from octavia.i18n import _

    class OctaviaException(Exception):
        """Base Octavia Exception.

        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.")
        orig_msg = None
        orig_code = None

        def __init__(self, *args, **kwargs):
            try:
                if args:
                    self.message = args[0]
                    self.orig_msg = kwargs.get('orig_msg')
                    self.orig_code = kwargs.get('orig_code')
                super().__init__(self.message % kwargs)
                self.msg = self.message % kwargs
            except Exception:
                with excutils.save_and_reraise_exception() as ctxt:
                    if not self.use_fatal_exceptions():
                        ctxt.reraise = False
                        # at least get the core message out if something happened
                        super().__init__(self.message)

        def __unicode__(self):
            return self.msg

        @staticmethod
        def use_fatal_exceptions():
            return False

    # NOTE(blogan) Using webob exceptions here because WSME exceptions a very
    # limited at this point and they do not work well in _lookup methods in the
    # controllers

    class APIException(exc.HTTPClientError):
        msg = "Something unknown went wrong"
        code = 500

        def __init__(self, **kwargs):
            self.msg = self.msg % kwargs
            super().__init__(detail=self.msg)

    class NotFound(APIException):
        msg = _('%(resource)s %(id)s not found.')
        code = 404

    class PolicyForbidden(APIException):
        msg = _("Policy does not allow this request to be performed.")
        code = 403

    class InvalidOption(APIException):
        msg = _("%(value)s is not a valid option for %(option)s")
        code = 400

    class InvalidFilterArgument(APIException):
        msg = "One or more arguments are either duplicate or invalid"
        code = 400

    class DisabledOption(APIException):
        msg = _("The selected %(option)s is not allowed in this deployment: "
                "%(value)s")
        code = 400

    class L7RuleValidation(APIException):
        msg = _("Error parsing L7Rule: %(error)s")
        code = 400

    class SingleCreateDetailsMissing(APIException):
        msg = _("Missing details for %(type)s object: %(name)s")
        code = 400

    class InvalidHMACException(OctaviaException):
        message = _("HMAC hashes didn't match")

    class MissingArguments(OctaviaException):
        message = _("Missing arguments.")

    class NetworkConfig(OctaviaException):
        message = _("Unable to allocate network resource from config")

    class NeedsPassphrase(OctaviaException):
        message = _("Passphrase needed to decrypt key but client "
                    "did not provide one.")

    class UnreadableCert(OctaviaException):
        message = _("Could not read X509 from PEM")

    class UnreadablePKCS12(APIException):
        msg = _("The PKCS12 bundle is unreadable. Please check the PKCS12 bundle "
                "validity. In addition, make sure it does not require a pass "
                "phrase. Error: %(error)s")
        code = 400

    class MissingCertSubject(APIException):
        msg = _('No CN or DNSName(s) found in certificate. The certificate is '
                'invalid.')
        code = 400

    class MisMatchedKey(OctaviaException):
        message = _("Key and x509 certificate do not match")

    class CertificateRetrievalException(APIException):
        msg = _('Could not retrieve certificate: %(ref)s')
        code = 400

    class CertificateStorageException(OctaviaException):
        message = _('Could not store certificate: %(msg)s')

    class CertificateGenerationException(OctaviaException):
        message = _('Could not sign the certificate request: %(msg)s')

    class DuplicateListenerEntry(APIException):
        msg = _("Another Listener on this Load Balancer "
                "is already using protocol %(protocol)s "
                "and protocol_port %(port)d")
        code = 409

    class DuplicateMemberEntry(APIException):
        msg = _("Another member on this pool is already using ip %(ip_address)s "
                "on protocol_port %(port)d")
        code = 409

    class DuplicateHealthMonitor(APIException):
        msg = _("This pool already has a health monitor")
        code = 409

    class DuplicatePoolEntry(APIException):
        msg = _("This listener already has a default pool")
        code = 409

    class PoolInUseByL7Policy(APIException):
        msg = _("Pool %(id)s is in use by L7 policy %(l7policy_id)s")
        code = 409

    class ImmutableObject(APIException):
        msg = _("%(resource)s %(id)s is immutable and cannot be updated.")
        code = 409

    class LBPendingStateError(APIException):
        msg = _("Invalid state %(state)s of loadbalancer resource %(id)s")
        code = 409

    class TooManyL7RulesOnL7Policy(APIException):
        msg = _("Too many rules on L7 policy %(id)s")
        code = 409

    class ComputeBuildException(OctaviaException):
        message = _("Failed to build compute instance due to: %(fault)s")

    class ComputeBuildQueueTimeoutException(OctaviaException):
        message = _('Failed to get an amphora build slot.')

    class ComputeDeleteException(OctaviaException):
        message = _('Failed to delete compute instance. The compute service '
                    'reports: %(compute_msg)s')

    class ComputeGetException(OctaviaException):
        message = _('Failed to retrieve compute instance.')

    class ComputeStatusException(OctaviaException):
        message = _('Failed to retrieve compute instance status.')

    class ComputeGetInterfaceException(OctaviaException):
        message = _('Failed to retrieve compute virtual interfaces.')

    class IDAlreadyExists(APIException):
        msg = _('Already an entity with that specified id.')
        code = 409

    class RecordAlreadyExists(APIException):
        msg = _('A %(field)s of %(name)s already exists.')
        code = 409

    class NoReadyAmphoraeException(OctaviaException):
        message = _('There are not any READY amphora available.')

    class ImageGetException(OctaviaException):
        message = _('Failed to retrieve image with %(tag)s tag.')

    # This is an internal use exception for the taskflow work flow
    # and will not be exposed to the customer.  This means it is a
    # normal part of operation while waiting for compute to go active
    # on the instance

    class ComputeWaitTimeoutException(OctaviaException):
        message = _('Waiting for compute id %(id)s to go active timeout.')

    class ComputePortInUseException(OctaviaException):
        message = _('Compute driver reports port %(port)s is already in use.')

    class ComputeNoResourcesException(OctaviaException):
        message = _('The compute service does not have the resources available to '
                    'fulfill the request')

    class ComputeUnknownException(OctaviaException):
        message = _('Unknown exception from the compute driver: %(exc)s.')

    class InvalidTopology(OctaviaException):
        message = _('Invalid topology specified: %(topology)s')

    # L7 policy and rule exceptions

    class InvalidL7PolicyAction(APIException):
        msg = _('Invalid L7 Policy action specified: %(action)s')
        code = 400

    class InvalidL7PolicyArgs(APIException):
        msg = _('Invalid L7 Policy arguments: %(msg)s')
        code = 400

    class InvalidURL(OctaviaException):
        message = _('Not a valid URL: %(url)s')

    class InvalidURLPath(APIException):
        msg = _('Not a valid URLPath: %(url_path)s')
        code = 400

    class InvalidString(OctaviaException):
        message = _('Invalid characters in %(what)s')

    class InvalidRegex(OctaviaException):
        message = _('Unable to parse regular expression: %(e)s')

    class InvalidL7Rule(OctaviaException):
        message = _('Invalid L7 Rule: %(msg)s')

    class ServerGroupObjectCreateException(OctaviaException):
        message = _('Failed to create server group object.')

    class ServerGroupObjectDeleteException(OctaviaException):
        message = _('Failed to delete server group object.')

    class InvalidAmphoraOperatingSystem(OctaviaException):
        message = _('Invalid amphora operating system: %(os_name)s')

    class QuotaException(APIException):
        msg = _('Quota has been met for resources: %(resource)s')
        code = 403

    class ProjectBusyException(APIException):
        msg = _('Project busy.  Unable to lock the project.  Please try again.')
        code = 503

    class MissingProjectID(OctaviaException):
        message = _('Missing project ID in request where one is required.')

    class MissingAPIProjectID(APIException):
        message = _('Missing project ID in request where one is required.')
        code = 400

    class InvalidSubresource(APIException):
        msg = _('%(resource)s %(id)s not found.')
        code = 400

    class ValidationException(APIException):
        msg = _('Validation failure: %(detail)s')
        code = 400

    class VIPValidationException(APIException):
        msg = _('Validation failure: VIP must contain one of: %(objects)s.')
        code = 400

    class InvalidSortKey(APIException):
        msg = _("Supplied sort key '%(key)s' is not valid.")
        code = 400

    class InvalidSortDirection(APIException):
        msg = _("Supplied sort direction '%(key)s' is not valid.")
        code = 400

    class InvalidMarker(APIException):
        msg = _("Supplied pagination marker '%(key)s' is not valid.")
        code = 400

    class InvalidLimit(APIException):
        msg = _("Supplied pagination limit '%(key)s' is not valid.")
        code = 400

    class MissingVIPSecurityGroup(OctaviaException):
        message = _('VIP security group is missing for load balancer: %(lb_id)s')

    class ProviderNotEnabled(APIException):
        msg = _("Provider '%(prov)s' is not enabled.")
        code = 400

    class ProviderNotFound(APIException):
        msg = _("Provider '%(prov)s' was not found.")
        code = 501

    class ProviderDriverError(APIException):
        msg = _("Provider '%(prov)s' reports error: %(user_msg)s")
        code = 500

    class ProviderNotImplementedError(APIException):
        msg = _("Provider '%(prov)s' does not support a requested action: "
                "%(user_msg)s")
        code = 501

    class ProviderUnsupportedOptionError(APIException):
        msg = _("Provider '%(prov)s' does not support a requested option: "
                "%(user_msg)s")
        code = 501

    class InputFileError(OctaviaException):
        message = _('Error with file %(file_name)s. Reason: %(reason)s')

    class ObjectInUse(APIException):
        msg = _("%(object)s %(id)s is in use and cannot be modified.")
        code = 409

    class ProviderFlavorMismatchError(APIException):
        msg = _("Flavor '%(flav)s' is not compatible with provider '%(prov)s'")
        code = 400

    class VolumeDeleteException(OctaviaException):
        message = _('Failed to delete volume instance.')

    class VolumeGetException(OctaviaException):
        message = _('Failed to retrieve volume instance.')

    class NetworkServiceError(OctaviaException):
        message = _('The networking service had a failure: %(net_error)s')

    class InvalidIPAddress(APIException):
        msg = _('The IP Address %(ip_addr)s is invalid.')
        code = 400

    class AmphoraNetworkConfigException(OctaviaException):
        message = _('Cannot configure network resource in the amphora: '
                    '%(detail)s')

    class ListenerNoChildren(APIException):
        msg = _('Protocol %(protocol)s listeners cannot have child objects.')
        code = 400

    class MemberSRIOVDisabled(APIException):
        msg = _('The load balancer flavor does not allow SR-IOV member ports.')
        code = 400

    class VIPAddressConflict(APIException):
        msg = _('The VIP IP address is already in use: %(msg)s')
        code = 409

this page last updated: 2025-10-06 11:22:08

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