yardstick/benchmark/scenarios/networking/networkcapacity.py

   1 ##############################################################################
   2 # Copyright (c) 2016 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 import pkg_resources
  10 import logging
  11 import json
  12
  13 import yardstick.ssh as ssh
  14 from yardstick.benchmark.scenarios import base
  15
  16 LOG = logging.getLogger(__name__)
  17
  18
  19 class NetworkCapacity(base.Scenario):
  20     """Measure Network capacity and scale.
  21
  22     This scenario reads network status including number of connections,
  23     number of frames sent/received.
  24     """
  25     __scenario_type__ = "NetworkCapacity"
  26     TARGET_SCRIPT = "networkcapacity.bash"
  27
  28     def __init__(self, scenario_cfg, context_cfg):
  29         self.scenario_cfg = scenario_cfg
  30         self.context_cfg = context_cfg
  31         self.setup_done = False
  32
  33     def setup(self):
  34         """scenario setup"""
  35         self.target_script = pkg_resources.resource_filename(
  36             "yardstick.benchmark.scenarios.networking",
  37             NetworkCapacity.TARGET_SCRIPT)
  38
  39         host = self.context_cfg['host']
  40         if host is None:
  41             raise RuntimeError('No right node.please check the configuration')
  42         host_user = host.get('user', 'ubuntu')
  43         ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
  44         host_ip = host.get('ip', None)
  45         host_pwd = host.get('password', None)
  46
  47         LOG.debug("user:%s, host:%s", host_user, host_ip)
  48         self.client = ssh.SSH(host_user, host_ip, password=host_pwd,
  49                               port=ssh_port)
  50         self.client.wait(timeout=600)
  51
  52         # copy script to host
  53         self.client._put_file_shell(self.target_script, '~/networkcapacity.sh')
  54
  55         self.setup_done = True
  56
  57     def run(self, result):
  58         """execute the benchmark"""
  59
  60         if not self.setup_done:
  61             self.setup()
  62
  63         cmd = "sudo bash networkcapacity.sh"
  64
  65         LOG.debug("Executing command: %s", cmd)
  66         status, stdout, stderr = self.client.execute(cmd)
  67         if status:
  68             raise RuntimeError(stderr)
  69
  70         result.update(json.loads(stdout))