1 # Copyright 2015 Intel Corporation.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 """ VNF Controller interface
19 class VnfController(object):
20 """VNF controller class
22 Used to set-up and control VNFs for specified scenario
25 _vnf_class: A class object representing the VNF to be used.
26 _deployment_scenario: A string describing the scenario to set-up in the
28 _vnfs: A list of vnfs controlled by the controller.
31 def __init__(self, deployment_scenario, vnf_class):
32 """Sets up the VNF infrastructure for the PVP deployment scenario.
34 :param vnf_class: The VNF class to be used.
36 self._logger = logging.getLogger(__name__)
37 self._vnf_class = vnf_class
38 self._deployment_scenario = deployment_scenario.upper()
39 if self._deployment_scenario == 'P2P':
41 if self._deployment_scenario == 'PVP':
42 self._vnfs = [vnf_class()]
43 elif self._deployment_scenario == 'PVVP':
44 self._vnfs = [vnf_class(), vnf_class()]
45 self._logger.debug('__init__ ' + str(len(self._vnfs)) +
46 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
49 """Returns a list of vnfs controlled by this controller.
51 self._logger.debug('get_vnfs ' + str(len(self._vnfs)) +
52 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
56 """Boots all VNFs set-up by __init__.
58 This is a blocking function.
60 self._logger.debug('start ' + str(len(self._vnfs)) +
61 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
62 for vnf in self._vnfs:
66 """Stops all VNFs set-up by __init__.
68 This is a blocking function.
70 self._logger.debug('stop ' + str(len(self._vnfs)) +
71 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
72 for vnf in self._vnfs:
78 def __exit__(self, type_, value, traceback):