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# Copyright (c) 2016-2017 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.
import logging
from yardstick.common import utils
from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNF, DpdkVnfSetupEnvHelper
from yardstick.network_services.yang_model import YangModel
LOG = logging.getLogger(__name__)
# vFW should work the same on all systems, we can provide the binary
FW_PIPELINE_COMMAND = "sudo {tool_path} -p {port_mask_hex} -f {cfg_file} -s {script} {hwlb}"
FW_COLLECT_KPI = (r"""VFW TOTAL:[^p]+pkts_received"?:\s(\d+),[^p]+pkts_fw_forwarded"?:\s(\d+),"""
r"""[^p]+pkts_drop_fw"?:\s(\d+),\s""")
class FWApproxSetupEnvHelper(DpdkVnfSetupEnvHelper):
APP_NAME = "vFW"
CFG_CONFIG = "/tmp/vfw_config"
CFG_SCRIPT = "/tmp/vfw_script"
DEFAULT_CONFIG_TPL_CFG = "vfw.cfg"
PIPELINE_COMMAND = FW_PIPELINE_COMMAND
SW_DEFAULT_CORE = 5
HW_DEFAULT_CORE = 2
VNF_TYPE = "VFW"
class FWApproxVnf(SampleVNF):
APP_NAME = "vFW"
APP_WORD = 'vfw'
COLLECT_KPI = FW_COLLECT_KPI
COLLECT_MAP = {
'packets_in': 1,
'packets_fwd': 2,
'packets_dropped': 3,
}
def __init__(self, name, vnfd, setup_env_helper_type=None, resource_helper_type=None):
if setup_env_helper_type is None:
setup_env_helper_type = FWApproxSetupEnvHelper
super(FWApproxVnf, self).__init__(name, vnfd, setup_env_helper_type, resource_helper_type)
self.vfw_rules = None
def _start_vnf(self):
yang_model_path = utils.find_relative_file(
self.scenario_helper.options['rules'],
self.scenario_helper.task_path)
yang_model = YangModel(yang_model_path)
self.vfw_rules = yang_model.get_rules()
super(FWApproxVnf, self)._start_vnf()
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