1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
# 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.
import collections
import csv
import glob
import logging
import os
import shutil
import subprocess
from yardstick.common import utils
from yardstick.network_services.vnf_generic.vnf.sample_vnf import SampleVNFTrafficGen
from yardstick.network_services.vnf_generic.vnf.sample_vnf import ClientResourceHelper
LOG = logging.getLogger(__name__)
VNF_PATH = os.path.dirname(os.path.realpath(__file__))
MOUNT_CMD = """\
mount.cifs //{0[ip]}/Results {1.RESULTS_MOUNT} \
-o username={0[user]},password={0[password]}\
"""
IXLOAD_CONFIG_TEMPLATE = '''\
{
"ixia_chassis": "%s",
"IXIA": {
"ports": %s,
"card": %s
},
"remote_server": "%s",
"result_dir": "%s",
"ixload_cfg": "C:/Results/%s"
}'''
IXLOAD_CMD = "{ixloadpy} {http_ixload} {args}"
class ResourceDataHelper(list):
def get_aggregates(self):
return {
"min": min(self),
"max": max(self),
"avg": sum(self) / len(self),
}
class IxLoadResourceHelper(ClientResourceHelper):
RESULTS_MOUNT = "/mnt/Results"
KPI_LIST = collections.OrderedDict((
('http_throughput', 'HTTP Total Throughput (Kbps)'),
('simulated_users', 'HTTP Simulated Users'),
('concurrent_connections', 'HTTP Concurrent Connections'),
('connection_rate', 'HTTP Connection Rate'),
('transaction_rate', 'HTTP Transaction Rate'),
))
def __init__(self, setup_helper):
super(IxLoadResourceHelper, self).__init__(setup_helper)
self.result = collections.OrderedDict((key, ResourceDataHelper())
for key in self.KPI_LIST)
self.resource_file_name = ''
self.data = None
def parse_csv_read(self, reader):
for row in reader:
try:
new_data = {key_left: int(row[key_right])
for key_left, key_right in self.KPI_LIST.items()}
except (TypeError, ValueError):
continue
else:
for key, value in new_data.items():
self.result[key].append(value)
def setup(self):
# NOTE: fixup scenario_helper to hanlde ixia
self.resource_file_name = \
utils.find_relative_file(
self.scenario_helper.scenario_cfg['ixia_profile'],
self.scenario_helper.scenario_cfg["task_path"])
utils.makedirs(self.RESULTS_MOUNT)
cmd = MOUNT_CMD.format(self.vnfd_helper.mgmt_interface, self)
LOG.debug(cmd)
if not os.path.ismount(self.RESULTS_MOUNT):
subprocess.call(cmd, shell=True)
shutil.rmtree(self.RESULTS_MOUNT, ignore_errors=True)
utils.makedirs(self.RESULTS_MOUNT)
shutil.copy(self.resource_file_name, self.RESULTS_MOUNT)
def make_aggregates(self):
return {key_right: self.result[key_left].get_aggregates()
for key_left, key_right in self.KPI_LIST.items()}
def collect_kpi(self):
if self.data:
self._result.update(self.data)
LOG.info("Collect %s KPIs %s", self.RESOURCE_WORD, self._result)
return self._result
def log(self):
for key in self.KPI_LIST:
LOG.debug(self.result[key])
class IxLoadTrafficGen(SampleVNFTrafficGen):
def __init__(self, name, vnfd, task_id, setup_env_helper_type=None,
resource_helper_type=None):
if resource_helper_type is None:
resource_helper_type = IxLoadResourceHelper
super(IxLoadTrafficGen, self).__init__(
name, vnfd, task_id, setup_env_helper_type, resource_helper_type)
self._result = {}
def run_traffic(self, traffic_profile):
ports = []
card = None
for interface in self.vnfd_helper.interfaces:
vpci_list = interface['virtual-interface']["vpci"].split(":")
card = vpci_list[0]
ports.append(str(vpci_list[1]))
for csv_file in glob.iglob(self.ssh_helper.join_bin_path('*.csv')):
os.unlink(csv_file)
ixia_config = self.vnfd_helper.mgmt_interface["tg-config"]
ixload_config = IXLOAD_CONFIG_TEMPLATE % (
ixia_config["ixchassis"], ports, card,
self.vnfd_helper.mgmt_interface["ip"], self.ssh_helper.bin_path,
os.path.basename(self.resource_helper.resource_file_name))
http_ixload_path = os.path.join(VNF_PATH, "../../traffic_profile")
cmd = IXLOAD_CMD.format(
ixloadpy=os.path.join(ixia_config["py_bin_path"], "ixloadpython"),
http_ixload=os.path.join(http_ixload_path, "http_ixload.py"),
args="'%s'" % ixload_config)
LOG.debug(cmd)
subprocess.call(cmd, shell=True)
with open(self.ssh_helper.join_bin_path("ixLoad_HTTP_Client.csv")) as csv_file:
lines = csv_file.readlines()[10:]
with open(self.ssh_helper.join_bin_path("http_result.csv"), 'wb+') as result_file:
result_file.writelines(lines[:-1])
result_file.flush()
result_file.seek(0)
reader = csv.DictReader(result_file)
self.resource_helper.parse_csv_read(reader)
self.resource_helper.log()
self.resource_helper.data = self.resource_helper.make_aggregates()
def terminate(self):
subprocess.call(["pkill", "-9", "http_ixload.py"])
super(IxLoadTrafficGen, self).terminate()
|
