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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
##############################################################################
from __future__ import absolute_import
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 NetworkCapacity(base.Scenario):
"""Measure Network capacity and scale.
This scenario reads network status including number of connections,
number of frames sent/received.
"""
__scenario_type__ = "NetworkCapacity"
TARGET_SCRIPT = "networkcapacity.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",
NetworkCapacity.TARGET_SCRIPT)
host = self.context_cfg['host']
if host is None:
raise RuntimeError('No right node.please check the configuration')
self.client = ssh.SSH.from_node(host, defaults={"user": "ubuntu"})
self.client.wait(timeout=600)
# copy script to host
self.client._put_file_shell(self.target_script, '~/networkcapacity.sh')
self.setup_done = True
def run(self, result):
"""execute the benchmark"""
if not self.setup_done:
self.setup()
cmd = "sudo bash networkcapacity.sh"
LOG.debug("Executing command: %s", cmd)
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
result.update(jsonutils.loads(stdout))
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