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# Copyright (c) 2016-2017 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" Helper function to get Network Service testing configuration """
from __future__ import absolute_import
import logging
import os
from oslo_config import cfg
from oslo_config.cfg import NoSuchOptError
from oslo_utils import encodeutils
NSB_ROOT = "/opt/nsb_bin"
CONF = cfg.CONF
OPTS = [
cfg.StrOpt('bin_path',
default=NSB_ROOT,
help='bin_path for VNFs location.'),
cfg.StrOpt('trex_path',
default=os.path.join(NSB_ROOT, 'trex/scripts'),
help='trex automation lib pathh.'),
]
CONF.register_opts(OPTS, group="nsb")
def get_nsb_option(option, default=None):
"""return requested option for yardstick.conf"""
try:
return CONF.nsb.__getitem__(option)
except NoSuchOptError:
logging.debug("Invalid key %s", option)
return default
def provision_tool(connection, tool_path):
"""
verify if the tool path exits on the node,
if not push the local binary to remote node
:return - Tool path
"""
bin_path = get_nsb_option("bin_path")
exit_status, stdout = connection.execute("which %s" % tool_path)[:2]
if exit_status == 0:
return encodeutils.safe_decode(stdout, incoming='utf-8').rstrip()
logging.warning("%s not found on %s, will try to copy from localhost",
tool_path, connection.host)
connection.execute('mkdir -p "%s"' % bin_path)
connection.put(tool_path, tool_path)
return tool_path
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