yardstick/benchmark/scenarios/networking/netperf.py

   1 ##############################################################################
   2 # Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9 # bulk data test and req/rsp test are supported
  10 import pkg_resources
  11 import logging
  12 import json
  13
  14 import yardstick.ssh as ssh
  15 from yardstick.benchmark.scenarios import base
  16
  17 LOG = logging.getLogger(__name__)
  18
  19
  20 class Netperf(base.Scenario):
  21     """Execute netperf between two hosts
  22
  23   Parameters
  24     testname - to specify the test you wish to perform.
  25     the valid testnames are TCP_STREAM, TCP_RR, UDP_STREAM, UDP_RR
  26         type:    string
  27         unit:    na
  28         default: TCP_STREAM
  29     send_msg_size - value set the local send size to value bytes.
  30         type:    int
  31         unit:    bytes
  32         default: na
  33     recv_msg_size - setting the receive size for the remote system.
  34         type:    int
  35         unit:    bytes
  36         default: na
  37     req_rsp_size - set the request and/or response sizes based on sizespec.
  38         type:    string
  39         unit:    na
  40         default: na
  41     duration - duration of the test
  42         type:    int
  43         unit:    seconds
  44         default: 20
  45
  46     read link below for more netperf args description:
  47     http://www.netperf.org/netperf/training/Netperf.html
  48     """
  49     __scenario_type__ = "Netperf"
  50
  51     TARGET_SCRIPT = 'netperf_benchmark.bash'
  52
  53     def __init__(self, scenario_cfg, context_cfg):
  54         self.scenario_cfg = scenario_cfg
  55         self.context_cfg = context_cfg
  56         self.setup_done = False
  57
  58     def setup(self):
  59         '''scenario setup'''
  60         self.target_script = pkg_resources.resource_filename(
  61             'yardstick.benchmark.scenarios.networking',
  62             Netperf.TARGET_SCRIPT)
  63         host = self.context_cfg['host']
  64         host_user = host.get('user', 'ubuntu')
  65         host_ip = host.get('ip', None)
  66         host_key_filename = host.get('key_filename', '~/.ssh/id_rsa')
  67         target = self.context_cfg['target']
  68         target_user = target.get('user', 'ubuntu')
  69         target_ip = target.get('ip', None)
  70         target_key_filename = target.get('key_filename', '~/.ssh/id_rsa')
  71
  72         # netserver start automatically during the vm boot
  73         LOG.info("user:%s, target:%s", target_user, target_ip)
  74         self.server = ssh.SSH(target_user, target_ip,
  75                               key_filename=target_key_filename)
  76         self.server.wait(timeout=600)
  77
  78         LOG.info("user:%s, host:%s", host_user, host_ip)
  79         self.client = ssh.SSH(host_user, host_ip,
  80                               key_filename=host_key_filename)
  81         self.client.wait(timeout=600)
  82
  83         # copy script to host
  84         self.client.run("cat > ~/netperf.sh",
  85                         stdin=open(self.target_script, "rb"))
  86
  87         self.setup_done = True
  88
  89     def run(self, result):
  90         """execute the benchmark"""
  91
  92         if not self.setup_done:
  93             self.setup()
  94
  95         # get global options
  96         ipaddr = self.context_cfg['target'].get("ipaddr", '127.0.0.1')
  97         options = self.scenario_cfg['options']
  98         testname = options.get("testname", 'TCP_STREAM')
  99         duration_time = self.scenario_cfg["runner"].get("duration", None) \
 100             if "runner" in self.scenario_cfg else None
 101         arithmetic_time = options.get("duration", None)
 102         if duration_time:
 103             testlen = duration_time
 104         elif arithmetic_time:
 105             testlen = arithmetic_time
 106         else:
 107             testlen = 20
 108
 109         cmd_args = "-H %s -l %s -t %s" % (ipaddr, testlen, testname)
 110
 111         # get test specific options
 112         default_args = "-O 'THROUGHPUT,THROUGHPUT_UNITS,MEAN_LATENCY'"
 113         cmd_args += " -- %s" % default_args
 114         option_pair_list = [("send_msg_size", "-m"),
 115                             ("recv_msg_size", "-M"),
 116                             ("req_rsp_size", "-r")]
 117         for option_pair in option_pair_list:
 118             if option_pair[0] in options:
 119                 cmd_args += " %s %s" % (option_pair[1],
 120                                         options[option_pair[0]])
 121
 122         cmd = "sudo bash netperf.sh %s" % (cmd_args)
 123         LOG.debug("Executing command: %s", cmd)
 124         status, stdout, stderr = self.client.execute(cmd)
 125
 126         if status:
 127             raise RuntimeError(stderr)
 128
 129         result.update(json.loads(stdout))
 130
 131         if result['mean_latency'] == '':
 132             raise RuntimeError(stdout)
 133
 134         # sla check
 135         mean_latency = float(result['mean_latency'])
 136         if "sla" in self.scenario_cfg:
 137             sla_max_mean_latency = int(
 138                 self.scenario_cfg["sla"]["mean_latency"])
 139
 140             assert mean_latency <= sla_max_mean_latency, \
 141                 "mean_latency %f > sla_max_mean_latency(%f); " % \
 142                 (mean_latency, sla_max_mean_latency)
 143
 144
 145 def _test():
 146     '''internal test function'''
 147     key_filename = pkg_resources.resource_filename("yardstick.resources",
 148                                                    "files/yardstick_key")
 149     ctx = {
 150         "host": {
 151             "ip": "10.229.47.137",
 152             "user": "root",
 153             "key_filename": key_filename
 154         },
 155         "target": {
 156             "ip": "10.229.47.137",
 157             "user": "root",
 158             "key_filename": key_filename,
 159             "ipaddr": "10.229.47.137"
 160         }
 161     }
 162
 163     logger = logging.getLogger("yardstick")
 164     logger.setLevel(logging.DEBUG)
 165
 166     options = {
 167         "testname": 'TCP_STREAM'
 168     }
 169
 170     args = {"options": options}
 171     result = {}
 172
 173     netperf = Netperf(args, ctx)
 174     netperf.run(result)
 175     print result
 176
 177 if __name__ == '__main__':
 178     _test()