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