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##############################################################################
# Copyright (c) 2016 Huawei Technologies Co.,Ltd 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
##############################################################################
# bulk data test and req/rsp test are supported
from __future__ import absolute_import
from __future__ import print_function
import logging
import pkg_resources
from oslo_serialization import jsonutils
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
class NetperfNode(base.Scenario):
"""Execute netperf between two nodes
Parameters
testname - to specify the test you wish to perform.
the valid testnames are TCP_STREAM, TCP_RR, UDP_STREAM, UDP_RR
type: string
unit: na
default: TCP_STREAM
send_msg_size - value set the local send size to value bytes.
type: int
unit: bytes
default: na
recv_msg_size - setting the receive size for the remote system.
type: int
unit: bytes
default: na
req_rsp_size - set the request and/or response sizes based on sizespec.
type: string
unit: na
default: na
duration - duration of the test
type: int
unit: seconds
default: 20
read link below for more netperf args description:
http://www.netperf.org/netperf/training/Netperf.html
"""
__scenario_type__ = "NetperfNode"
TARGET_SCRIPT = 'netperf_benchmark.bash'
INSTALL_SCRIPT = 'netperf_install.bash'
REMOVE_SCRIPT = 'netperf_remove.bash'
def __init__(self, scenario_cfg, context_cfg):
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.setup_done = False
def setup(self):
"""scenario setup"""
self.target_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
NetperfNode.TARGET_SCRIPT)
host = self.context_cfg['host']
target = self.context_cfg['target']
self.target_ip = target['ip']
# netserver start automatically during the vm boot
LOG.info("user:%s, target:%s", target['user'], target['ip'])
self.server = ssh.SSH.from_node(target, defaults={"user": "ubuntu"})
self.server.wait(timeout=600)
LOG.info("user:%s, host:%s", host['user'], host['ip'])
self.client = ssh.SSH.from_node(host, defaults={"user": "ubuntu"})
self.client.wait(timeout=600)
# copy script to host
with open(self.target_script, "rb") as file_run:
self.client.run("cat > ~/netperf.sh", stdin=file_run)
# copy script to host and client
self.install_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
NetperfNode.INSTALL_SCRIPT)
self.remove_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
NetperfNode.REMOVE_SCRIPT)
with open(self.install_script, "rb") as file_install:
self.server.run("cat > ~/netperf_install.sh", stdin=file_install)
with open(self.install_script, "rb") as file_install:
self.client.run("cat > ~/netperf_install.sh", stdin=file_install)
with open(self.remove_script, "rb") as file_remove:
self.server.run("cat > ~/netperf_remove.sh", stdin=file_remove)
with open(self.remove_script, "rb") as file_remove:
self.client.run("cat > ~/netperf_remove.sh", stdin=file_remove)
self.server.execute("sudo bash netperf_install.sh")
self.client.execute("sudo bash netperf_install.sh")
self.setup_done = True
def run(self, result):
"""execute the benchmark"""
if not self.setup_done:
self.setup()
# get global options
ipaddr = self.context_cfg['target'].get("ipaddr", '127.0.0.1')
ipaddr = self.target_ip
options = self.scenario_cfg['options']
testname = options.get("testname", 'TCP_STREAM')
duration_time = self.scenario_cfg["runner"].get("duration", None) \
if "runner" in self.scenario_cfg else None
arithmetic_time = options.get("duration", None)
if duration_time:
testlen = duration_time
elif arithmetic_time:
testlen = arithmetic_time
else:
testlen = 20
cmd_args = "-H %s -l %s -t %s -c -C" % (ipaddr, testlen, testname)
# get test specific options
output_opt = options.get(
"output_opt", "THROUGHPUT,THROUGHPUT_UNITS,MEAN_LATENCY")
default_args = "-O %s" % output_opt
cmd_args += " -- %s" % default_args
option_pair_list = [("send_msg_size", "-m"),
("recv_msg_size", "-M"),
("req_rsp_size", "-r")]
for option_pair in option_pair_list:
if option_pair[0] in options:
cmd_args += " %s %s" % (option_pair[1],
options[option_pair[0]])
cmd = "sudo bash netperf.sh %s" % (cmd_args)
LOG.debug("Executing command: %s", cmd)
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
result.update(jsonutils.loads(stdout))
if result['mean_latency'] == '':
raise RuntimeError(stdout)
# sla check
mean_latency = float(result['mean_latency'])
if "sla" in self.scenario_cfg:
sla_max_mean_latency = int(
self.scenario_cfg["sla"]["mean_latency"])
assert mean_latency <= sla_max_mean_latency, \
"mean_latency %f > sla_max_mean_latency(%f); " % \
(mean_latency, sla_max_mean_latency)
def teardown(self):
"""remove netperf from nodes after test"""
self.server.execute("sudo bash netperf_remove.sh")
self.client.execute("sudo bash netperf_remove.sh")
def _test(): # pragma: no cover
"""internal test function"""
ctx = {
"host": {
"ip": "192.168.10.10",
"user": "root",
"password": "root"
},
"target": {
"ip": "192.168.10.11",
"user": "root",
"password": "root"
}
}
logger = logging.getLogger("yardstick")
logger.setLevel(logging.DEBUG)
options = {
"testname": 'TCP_STREAM'
}
args = {"options": options}
result = {}
netperf = NetperfNode(args, ctx)
netperf.run(result)
print(result)
if __name__ == '__main__':
_test()
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