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#!/usr/bin/env python
# Copyright (c) 2021 Orange and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
"""
Benchmarking Kubernetes Networking Performance
"""
import glob
import logging
import os
from pathlib import Path
import shutil
import subprocess
import time
from xtesting.core import testcase
class Netperf(testcase.TestCase):
"""Run Benchmarking Kubernetes Networking Performance"""
__logger = logging.getLogger(__name__)
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.output_log_name = 'functest-kubernetes.log'
self.output_debug_log_name = 'functest-kubernetes.debug.log'
def check_requirements(self):
"""Check if launch is in $PATH"""
self.is_skipped = not (
shutil.which("launch") and shutil.which("plotperf"))
if self.is_skipped:
self.__logger.warning("launch or plotperf is missing")
def run(self, **kwargs):
self.start_time = time.time()
try:
if not os.path.exists(self.res_dir):
os.makedirs(self.res_dir)
os.chdir(self.res_dir)
cmd = ['launch', '-iterations', '1', '-kubeConfig',
f'{Path.home()}/.kube/config', '-v', '3']
output = subprocess.check_output(
cmd, stderr=subprocess.STDOUT, timeout=3600)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
lfiles = glob.glob(os.path.join(
'results_netperf-latest', 'netperf-latest*.csv'))
results = max(lfiles, key=os.path.getmtime)
cmd = ['plotperf', '-c', results,
'-o', self.res_dir, '-s', 'netperf']
output = subprocess.check_output(
cmd, stderr=subprocess.STDOUT, timeout=60)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
self.result = 100
status = testcase.TestCase.EX_OK
except subprocess.SubprocessError as exc:
self.__logger.exception(
"Cannot run Netperf:\n%s", ' '.join(exc.cmd),
exc.output.decode("utf-8"))
self.result = 0
status = testcase.TestCase.EX_RUN_ERROR
self.stop_time = time.time()
return status
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