OpenStack Study: abstract_driver.py

**** CubicPower OpenStack Study ****

# Copyright (C) 2013 eNovance SAS

#

# Author: Sylvain Afchain

#

# 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.

import abc

import six

@six.add_metaclass(abc.ABCMeta)

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class MeteringAbstractDriver(object):

"""Abstract Metering driver."""

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    def __init__(self, plugin, conf):

        pass

    @abc.abstractmethod

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    def update_routers(self, context, routers):

        pass

    @abc.abstractmethod

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    def remove_router(self, context, router_id):

        pass

    @abc.abstractmethod

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    def update_metering_label_rules(self, context, routers):

        pass

    @abc.abstractmethod

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    def add_metering_label(self, context, routers):

        pass

    @abc.abstractmethod

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    def remove_metering_label(self, context, routers):

        pass

    @abc.abstractmethod

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    def get_traffic_counters(self, context, routers):

        pass