OpenStack Study: extraroute.py

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

#

# Copyright 2013, Nachi Ueno, NTT MCL, Inc.

# 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.

from neutron.api.v2 import attributes as attr

from neutron.common import exceptions as qexception

# Extra Routes Exceptions

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class InvalidRoutes(qexception.InvalidInput):

message = _("Invalid format for routes: %(routes)s, %(reason)s")

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class RouterInterfaceInUseByRoute(qexception.InUse):

message = _("Router interface for subnet %(subnet_id)s on router "

"%(router_id)s cannot be deleted, as it is required "

"by one or more routes.")

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class RoutesExhausted(qexception.BadRequest):

message = _("Unable to complete operation for %(router_id)s. "

"The number of routes exceeds the maximum %(quota)s.")

# Attribute Map

EXTENDED_ATTRIBUTES_2_0 = {

'routers': {

'routes': {'allow_post': False, 'allow_put': True,

'validate': {'type:hostroutes': None},

'convert_to': attr.convert_none_to_empty_list,

'is_visible': True, '

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class Extraroute():

@classmethod

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    def get_name(cls):

        return "Neutron Extra Route"

    @classmethod

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    def get_alias(cls):

        return "extraroute"

    @classmethod

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    def get_description(cls):

        return "Extra routes configuration for L3 router"

    @classmethod

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    def get_namespace(cls):

        return "http://docs.openstack.org/ext/neutron/extraroutes/api/v1.0"

    @classmethod

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    def get_updated(cls):

        return "2013-02-01T10:00:00-00:00"

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    def get_extended_resources(self, version):

        if version == "2.0":

            attr.PLURALS.update({'routes': 'route'})

            return EXTENDED_ATTRIBUTES_2_0

        else:

            return {}