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#!/usr/bin/env python
# Copyright 2018-19 Spirent Communications.
#
# 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.
"""
VSPERF-controller
"""
# Fetching Environment Variable for controller, You can configure or
# modifies list.env file for setting your environment variable.
#pylint: disable=global-statement,no-else-continue
#pylint: disable=too-many-branches
import os
import sys
from stat import S_ISDIR
import time
import paramiko
from xtesting.core import testcase
import ssh
TIMER = float()
DUT_IP = os.getenv('DUT_IP_ADDRESS')
DUT_USER = os.getenv('DUT_USERNAME')
DUT_PWD = os.getenv('DUT_PASSWORD')
RES_PATH= os.getenv('RES_PATH')
VSPERF_TEST = os.getenv('VSPERF_TESTS')
VSPERF_CONF = os.getenv('VSPERF_CONFFILE')
VSPERF_TRAFFICGEN_MODE = str(os.getenv('VSPERF_TRAFFICGEN_MODE'))
DUT_CLIENT = None
TGEN_CLIENT = None
RECV_BYTES = 4096
def host_connect():
"""
Handle host connectivity to DUT
"""
global DUT_CLIENT
DUT_CLIENT = ssh.SSH(host=DUT_IP, user=DUT_USER, password=DUT_PWD)
print("DUT Successfully Connected ..............................................[OK] \n ")
def upload_test_config_file():
"""
#Upload Test Config File on DUT
"""
#localpath = '/usr/src/app/vsperf/vsperf.conf'
if VSPERF_CONF:
localpath = VSPERF_CONF
else:
localpath = 'vsperf.conf'
if not os.path.exists(localpath):
print("VSPERF Test config File does not exists.......................[Failed]")
return
remotepath = '~/vsperf.conf'
check_test_config_cmd = "find ~/ -maxdepth 1 -name '{}'".format(
remotepath[2:])
check_test_result = str(DUT_CLIENT.execute(check_test_config_cmd)[1])
if remotepath[2:] in check_test_result:
DUT_CLIENT.run("rm -f {}".format(remotepath[2:]))
DUT_CLIENT.put_file(localpath, remotepath)
check_test_config_cmd_1= "find ~/ -maxdepth 1 -name '{}'".format(
remotepath[2:])
print(check_test_config_cmd_1)
check_test_result_1= str(DUT_CLIENT.execute(check_test_config_cmd)[1])
if remotepath[2:] in check_test_result_1:
print(
"Test Configuration File Uploaded on DUT-Host.............................[OK] \n ")
else:
print("VSPERF Test config file upload failed.....................................[Critical]")
def run_vsperf_test():
"""
Here we will perform the actual vsperf test
"""
global TIMER
rmv_cmd = "cd /mnt/huge && echo {} | sudo -S rm -rf *".format(DUT_PWD)
DUT_CLIENT.run(rmv_cmd, pty=True)
cmd = "source ~/vsperfenv/bin/activate ; "
#cmd = "scl enable python33 bash ; "
cmd += "cd vswitchperf && "
cmd += "./vsperf "
cmd += "--conf-file ~/vsperf.conf "
if "yes" in VSPERF_TRAFFICGEN_MODE.lower():
cmd += "--mode trafficgen"
vsperf_test_list = VSPERF_TEST.split(",")
print(vsperf_test_list)
for test in vsperf_test_list:
atest = cmd
atest += test
DUT_CLIENT.run(atest, pty=True)
print(
"Test Successfully Completed................................................[OK]\n ")
def get_result():
"""
Get Latest results from DUT
"""
stdout_data = []
stderr_data = []
client = paramiko.Transport((DUT_IP, 22))
client.connect(username=DUT_USER, password=DUT_PWD)
session = client.open_channel(kind='session')
directory_to_download = ''
session.exec_command('ls /tmp | grep results')
if not directory_to_download:
while True:
if session.recv_ready():
stdout_data.append(session.recv(RECV_BYTES))
if session.recv_stderr_ready():
stderr_data.append(session.recv_stderr(RECV_BYTES))
if session.exit_status_ready():
break
if stdout_data:
line = stdout_data[0]
filenames = line.decode("utf-8").rstrip("\n").split("\n")
filenames = sorted(filenames)
latest = filenames[-1]
directory_to_download = os.path.join('/tmp', latest)
stdout_data = []
stderr_data = []
if directory_to_download:
destination = os.path.join(RES_PATH,
os.path.basename(os.path.normpath(
directory_to_download)))
os.makedirs(destination)
print(directory_to_download)
# Begin the actual downlaod
sftp = paramiko.SFTPClient.from_transport(client)
def sftp_walk(remotepath):
path=remotepath
files=[]
folders=[]
for fle in sftp.listdir_attr(remotepath):
if S_ISDIR(fle.st_mode):
folders.append(fle.filename)
else:
files.append(fle.filename)
if files:
yield path, files
# Filewise download happens here
for path,files in sftp_walk(directory_to_download):
for fil in files:
remote = os.path.join(path,fil)
local = os.path.join(destination, fil)
print(local)
sftp.get(remote, local)
# Ready to work with downloaded data, close the session and client.
session.close()
client.close()
class VsperfBm(testcase.TestCase):
"""
VSPERF-Xtesting Baremetal Control Class
"""
def run(self, **kwargs):
global RES_PATH
try:
self.start_time = time.time()
self.result=100
os.makedirs(self.res_dir, exist_ok=True)
RES_PATH = self.res_dir
if DUT_IP:
host_connect()
if not DUT_CLIENT:
print('Failed to connect to DUT ...............[Critical]')
self.result = 0
else:
upload_test_config_file()
run_vsperf_test()
get_result()
self.stop_time = time.time()
except Exception: # pylint: disable=broad-except
print("Unexpected error:", sys.exc_info()[0])
self.result = 0
self.stop_time = time.time()
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