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OpenStack Study: exceptions.py

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# vim: tabstop=4 shiftwidth=4 softtabstop=4

#

# Copyright 2012 NEC Corporation. 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: Ryota MIBU

from neutron.common import exceptions as qexc

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class OFCException(qexc.NeutronException):

message = _("An OFC exception has occurred: %(reason)s")

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    def __init__(self, **kwargs):

        super(OFCException, self).__init__(**kwargs)

        self.status = kwargs.get('status')

        self.err_msg = kwargs.get('err_msg')

        self.err_code = kwargs.get('err_code')

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class OFCResourceNotFound(qexc.NotFound):

message = _("The specified OFC resource (%(resource)s) is not found.")

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class NECDBException(qexc.NeutronException):

message = _("An exception occurred in NECPluginV2 DB: %(reason)s")

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class OFCMappingNotFound(qexc.NotFound):

message = _("Neutron-OFC resource mapping for "

"%(resource)s %(neutron_id)s is not found. "

"It may be deleted during processing.")

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class OFCServiceUnavailable(OFCException):

message = _("OFC returns Server Unavailable (503) "

"(Retry-After=%(retry_after)s)")

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    def __init__(self, **kwargs):

        super(OFCServiceUnavailable, self).__init__(**kwargs)

        self.retry_after = kwargs.get('retry_after')

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class PortInfoNotFound(qexc.NotFound):

message = _("PortInfo %(id)s could not be found")

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class ProfilePortInfoInvalidDataPathId(qexc.InvalidInput):

message = _('Invalid input for operation: '

'datapath_id should be a hex string '

'with at most 8 bytes')

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class ProfilePortInfoInvalidPortNo(qexc.InvalidInput):

message = _('Invalid input for operation: '

'port_no should be [0:65535]')

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class RouterExternalGatewayNotSupported(qexc.BadRequest):

message = _("Router (provider=%(provider)s) does not support "

"an external network")

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class ProviderNotFound(qexc.NotFound):

message = _("Provider %(provider)s could not be found")

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class RouterOverLimit(qexc.Conflict):

message = _("Cannot create more routers with provider=%(provider)s")

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class RouterProviderMismatch(qexc.Conflict):

message = _("Provider of Router %(router_id)s is %(provider)s. "

"This operation is supported only for router provider "

"%(expected_provider)s.")