From 6f8fbe8acb94448ef2eb188193e9bea534021e89 Mon Sep 17 00:00:00 2001 From: Deepak S Date: Fri, 30 Dec 2016 09:20:49 -0800 Subject: Generic helper function to provision and get path from config This patch adds, generic helper function to provision the tools and get required fields from yardstick.conf v2: Added unit tests to keep test coverage :) JIRA: YARDSTICK-484 Change-Id: Id6701924e3488c7f38f29c82e55c27fba67c0d76 Signed-off-by: Deepak S --- yardstick/network_services/utils.py | 62 +++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 yardstick/network_services/utils.py (limited to 'yardstick/network_services/utils.py') diff --git a/yardstick/network_services/utils.py b/yardstick/network_services/utils.py new file mode 100644 index 000000000..80e0a631c --- /dev/null +++ b/yardstick/network_services/utils.py @@ -0,0 +1,62 @@ +# 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 + +from oslo_config import cfg +from oslo_config.cfg import NoSuchOptError +from oslo_utils import encodeutils + +CONF = cfg.CONF +OPTS = [ + cfg.StrOpt('bin_path', + default='/opt/nsb_bin', + help='bin_path for VNFs location.'), + cfg.StrOpt('trex_path', + default='/opt/nsb_bin/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) + else: + 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_encode(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 -- cgit 1.2.3-korg