1 # Copyright 2015-2016 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 from vnfs.vnf.vnf import IVnf
21 class VnfController(object):
22 """VNF controller class
24 Used to set-up and control VNFs for specified scenario
27 _vnf_class: A class object representing the VNF to be used.
28 _deployment_scenario: A string describing the scenario to set-up in the
30 _vnfs: A list of vnfs controlled by the controller.
33 def __init__(self, deployment_scenario, vnf_class):
34 """Sets up the VNF infrastructure for the PVP deployment scenario.
36 :param vnf_class: The VNF class to be used.
38 # reset VNF ID counter for each testcase
39 IVnf.reset_vnf_counter()
41 # setup controller with requested number of VNFs
42 self._logger = logging.getLogger(__name__)
43 self._vnf_class = vnf_class
44 self._deployment_scenario = deployment_scenario.upper()
45 if self._deployment_scenario == 'P2P':
47 elif self._deployment_scenario == 'PVP':
48 self._vnfs = [vnf_class()]
49 elif self._deployment_scenario == 'PVVP':
50 self._vnfs = [vnf_class(), vnf_class()]
51 elif self._deployment_scenario == 'OP2P':
55 self._logger.debug('__init__ ' + str(len(self._vnfs)) +
56 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
59 """Returns a list of vnfs controlled by this controller.
61 self._logger.debug('get_vnfs ' + str(len(self._vnfs)) +
62 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
66 """Boots all VNFs set-up by __init__.
68 This is a blocking function.
70 self._logger.debug('start ' + str(len(self._vnfs)) +
71 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
73 for vnf in self._vnfs:
75 except pexpect.TIMEOUT:
80 """Stops all VNFs set-up by __init__.
82 This is a blocking function.
84 self._logger.debug('stop ' + str(len(self._vnfs)) +
85 ' VNF[s] with ' + ' '.join(map(str, self._vnfs)))
86 for vnf in self._vnfs:
92 def __exit__(self, type_, value, traceback):