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
18 from vnfs.vnf.vnf import IVnf
20 class VnfController(object):
21 """VNF controller class
23 Used to set-up and control VNFs for specified scenario
26 _vnf_class: A class object representing the VNF to be used.
27 _deployment_scenario: A string describing the scenario to set-up in the
29 _vnfs: A list of vnfs controlled by the controller.
32 def __init__(self, deployment_scenario, vnf_class):
33 """Sets up the VNF infrastructure for the PVP deployment scenario.
35 :param vnf_class: The VNF class to be used.
37 # reset VNF ID counter for each testcase
38 IVnf.reset_vnf_counter()
40 # setup controller with requested number of VNFs
41 self._logger = logging.getLogger(__name__)
42 self._vnf_class = vnf_class
43 self._deployment_scenario = deployment_scenario.upper()
44 if self._deployment_scenario == 'P2P':
46 if self._deployment_scenario == 'PVP':
47 self._vnfs = [vnf_class()]
48 elif self._deployment_scenario == 'PVVP':
49 self._vnfs = [vnf_class(), vnf_class()]
50 self._logger.debug('__init__ ' + str(len(self._vnfs)) +
51 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
54 """Returns a list of vnfs controlled by this controller.
56 self._logger.debug('get_vnfs ' + str(len(self._vnfs)) +
57 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
61 """Boots all VNFs set-up by __init__.
63 This is a blocking function.
65 self._logger.debug('start ' + str(len(self._vnfs)) +
66 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
67 for vnf in self._vnfs:
71 """Stops all VNFs set-up by __init__.
73 This is a blocking function.
75 self._logger.debug('stop ' + str(len(self._vnfs)) +
76 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
77 for vnf in self._vnfs:
83 def __exit__(self, type_, value, traceback):