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# Copyright 2015 Intel Corporation.
#
# 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.
""" VNF Controller interface
"""
class IVnfController(object):
"""Abstract class which defines a VNF controller
Used to set-up and control a VNF provider for a particular
deployment scenario.
"""
def get_vnfs(self):
"""Returns a list of vnfs controlled by this controller.
"""
raise NotImplementedError(
"The VnfController does not implement",
"the \"get_vnfs\" function.")
#TODO: Decide on contextmanager or __enter/exit__ strategy <MH 2015-05-01>
def start(self):
"""Boots all VNFs set-up by __init__.
This is a blocking function.
"""
raise NotImplementedError(
"The VnfController does not implement",
"the \"start\" function.")
def stop(self):
"""Stops all VNFs set-up by __init__.
This is a blocking function.
"""
raise NotImplementedError(
"The VnfController does not implement",
"the \"stop\" function.")
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