diff options
Diffstat (limited to 'yardstick/common/utils.py')
| -rw-r--r-- | yardstick/common/utils.py | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/yardstick/common/utils.py b/yardstick/common/utils.py index 31885c073..7475f6991 100644 --- a/yardstick/common/utils.py +++ b/yardstick/common/utils.py @@ -19,6 +19,7 @@ import datetime import errno import importlib import ipaddress +import json import logging import os import pydoc @@ -30,6 +31,7 @@ import subprocess import sys import time import threading +import math import six from flask import jsonify @@ -292,6 +294,17 @@ def make_ipv4_address(ip_addr): return ipaddress.IPv4Address(six.text_type(ip_addr)) +def get_ip_range_count(iprange): + start_range, end_range = iprange.split("-") + start = int(make_ipv4_address(start_range)) + end = int(make_ipv4_address(end_range)) + return end - start + + +def get_ip_range_start(iprange): + return str(make_ipv4_address(iprange.split("-")[0])) + + def safe_ip_address(ip_addr): """ get ip address version v6 or v4 """ try: @@ -499,6 +512,23 @@ def read_meminfo(ssh_client): return output +def setup_hugepages(ssh_client, size_kb): + """Setup needed number of hugepages for the size specified""" + + NR_HUGEPAGES_PATH = '/proc/sys/vm/nr_hugepages' + meminfo = read_meminfo(ssh_client) + hp_size_kb = int(meminfo['Hugepagesize']) + hp_number = int(math.ceil(size_kb / float(hp_size_kb))) + ssh_client.execute( + 'echo %s | sudo tee %s' % (hp_number, NR_HUGEPAGES_PATH)) + hp = six.BytesIO() + ssh_client.get_file_obj(NR_HUGEPAGES_PATH, hp) + hp_number_set = int(hp.getvalue().decode('utf-8').splitlines()[0]) + logger.info('Hugepages size (kB): %s, number claimed: %s, number set: %s', + hp_size_kb, hp_number, hp_number_set) + return hp_size_kb, hp_number, hp_number_set + + def find_relative_file(path, task_path): """ Find file in one of places: in abs of path or relative to a directory path, @@ -600,3 +630,47 @@ def safe_cast(value, type_to_convert, default_value): return _type(value) except ValueError: return default_value + + +def get_os_version(ssh_client): + """Return OS version. + + :param ssh_client: SSH + :return str: Linux OS versions + """ + os_ver = ssh_client.execute("cat /etc/lsb-release")[1] + return os_ver + + +def get_kernel_version(ssh_client): + """Return kernel version. + + :param ssh_client: SSH + :return str: Linux kernel versions + """ + kernel_ver = ssh_client.execute("uname -a")[1] + return kernel_ver + + +def get_sample_vnf_info(ssh_client, + json_file='/opt/nsb_bin/yardstick_sample_vnf.json'): + """Return sample VNF data. + + :param ssh_client: SSH + :param json_file: str + :return dict: information about sample VNF + """ + rc, json_str, err = ssh_client.execute("cat %s" % json_file) + logger.debug("cat %s: %s, rc: %s, err: %s", json_file, json_str, rc, err) + + if rc: + return {} + json_data = json.loads(json_str) + for vnf_data in json_data.values(): + out = ssh_client.execute("md5sum %s" % vnf_data["path_vnf"])[1] + md5 = out.split()[0].strip() + if md5 == vnf_data["md5"]: + vnf_data["md5_result"] = "MD5 checksum is valid" + else: + vnf_data["md5_result"] = "MD5 checksum is invalid" + return json_data |