OpenStack Study: netpartition.py

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# Copyright 2014 Alcatel-Lucent USA Inc.

#

# 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: Ronak Shah, Nuage Networks, Alcatel-Lucent USA Inc.

from abc import abstractmethod

from neutron.api import extensions

from neutron.api.v2 import base

from neutron import manager

from neutron import quota

# Attribute Map

RESOURCE_ATTRIBUTE_MAP = {

'net_partitions': {

'id': {'allow_post': False, 'allow_put': False,

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

'is_visible': True},

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

'is_visible': True, 'default': '',

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

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

'is_visible': True, 'default': '',

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

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

'required_by_policy': True,

'is_visible': True},

},

}

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class Netpartition(object):

"""Extension class supporting net_partition.

"""

@classmethod

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    def get_name(cls):

        return "NetPartition"

    @classmethod

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    def get_alias(cls):

        return "net-partition"

    @classmethod

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    def get_description(cls):

        return "NetPartition"

    @classmethod

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    def get_namespace(cls):

        return "http://nuagenetworks.net/ext/net_partition/api/v1.0"

    @classmethod

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    def get_updated(cls):

        return "2014-01-01T10:00:00-00:00"

    @classmethod

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    def get_resources(cls):

        """Returns Ext Resources."""

        exts = []

        plugin = manager.NeutronManager.get_plugin()

        resource_name = 'net_partition'

        collection_name = resource_name.replace('_', '-') + "s"

        params = RESOURCE_ATTRIBUTE_MAP.get(resource_name + "s", dict())

        quota.QUOTAS.register_resource_by_name(resource_name)

        controller = base.create_resource(collection_name,

                                          resource_name,

                                          plugin, params, allow_bulk=True)

        ex = extensions.ResourceExtension(collection_name,

                                          controller)

        exts.append(ex)

        return exts

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class NetPartitionPluginBase(object):

@abstractmethod

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    def create_net_partition(self, context, router):

        pass

    @abstractmethod

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    def update_net_partition(self, context, id, router):

        pass

    @abstractmethod

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    def get_net_partition(self, context, id, fields=None):

        pass

    @abstractmethod

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    def delete_net_partition(self, context, id):

        pass

    @abstractmethod

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    def get_net_partitions(self, context, filters=None, fields=None):

        pass