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-rw-r--r--api/resources/env_action.py2
-rw-r--r--api/utils/common.py2
-rw-r--r--api/utils/influx.py2
-rw-r--r--samples/nstat.yaml35
-rwxr-xr-xtests/ci/load_images.sh2
-rw-r--r--tests/opnfv/test_cases/opnfv_yardstick_tc076.yaml56
-rw-r--r--tests/unit/benchmark/contexts/test_node.py96
-rw-r--r--tests/unit/benchmark/core/test_task.py24
-rw-r--r--tests/unit/benchmark/scenarios/networking/test_nstat.py118
-rwxr-xr-xtools/ubuntu-server-cloudimg-dpdk-modify.sh3
-rwxr-xr-xtools/ubuntu-server-cloudimg-modify.sh3
-rw-r--r--yardstick/benchmark/contexts/node.py82
-rw-r--r--yardstick/benchmark/core/__init__.py4
-rw-r--r--yardstick/benchmark/core/task.py26
-rwxr-xr-xyardstick/benchmark/runners/arithmetic.py2
-rw-r--r--yardstick/benchmark/scenarios/networking/nstat.py130
-rw-r--r--yardstick/benchmark/scenarios/networking/sfc_openstack.py2
-rwxr-xr-xyardstick/cmd/NSBperf.py2
-rwxr-xr-xyardstick/common/task_template.py4
19 files changed, 573 insertions, 22 deletions
diff --git a/api/resources/env_action.py b/api/resources/env_action.py
index 8955f3cb6..917681c37 100644
--- a/api/resources/env_action.py
+++ b/api/resources/env_action.py
@@ -248,7 +248,7 @@ def _get_remote_rc_file(rc_file, installer_ip, installer_type):
cmd = [os_fetch_script, '-d', rc_file, '-i', installer_type,
'-a', installer_ip]
p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
- p.communicate()[0]
+ p.communicate()
if p.returncode != 0:
logger.debug('Failed to fetch credentials from installer')
diff --git a/api/utils/common.py b/api/utils/common.py
index 1c800ce49..3e9bf8f8b 100644
--- a/api/utils/common.py
+++ b/api/utils/common.py
@@ -33,7 +33,7 @@ def get_command_list(command_list, opts, args):
command_list.append(args)
- command_list.extend(('--{}'.format(k) for k in opts if 'task-args' != k))
+ command_list.extend(('--{}'.format(k) for k in opts if k != 'task-args'))
task_args = opts.get('task-args', '')
if task_args:
diff --git a/api/utils/influx.py b/api/utils/influx.py
index 275c63a24..08996b9c9 100644
--- a/api/utils/influx.py
+++ b/api/utils/influx.py
@@ -24,7 +24,7 @@ def get_data_db_client():
try:
parser.read(conf.OUTPUT_CONFIG_FILE_PATH)
- if 'influxdb' != parser.get('DEFAULT', 'dispatcher'):
+ if parser.get('DEFAULT', 'dispatcher') != 'influxdb':
raise RuntimeError
return _get_client(parser)
diff --git a/samples/nstat.yaml b/samples/nstat.yaml
new file mode 100644
index 000000000..0a5aa80c9
--- /dev/null
+++ b/samples/nstat.yaml
@@ -0,0 +1,35 @@
+---
+
+schema: "yardstick:task:0.1"
+
+description: >
+ Sample benchmark task config file;
+ Monitor network metrics provided by the kernel in a host and calculate
+ IP datagram error rate, ICMP message error rate, TCP segment error rate and
+ UDP datagram error rate.
+
+scenarios:
+-
+ type: Nstat
+ options:
+ duration: 60
+
+ host: poseidon.demo
+
+ runner:
+ type: Iteration
+ iterations: 1
+
+context:
+ name: demo
+ image: yardstick-image
+ flavor: yardstick-flavor
+ user: ubuntu
+
+ servers:
+ poseidon:
+ floating_ip: true
+
+ networks:
+ test:
+ cidr: '10.0.1.0/24'
diff --git a/tests/ci/load_images.sh b/tests/ci/load_images.sh
index e1d717749..6f950ec72 100755
--- a/tests/ci/load_images.sh
+++ b/tests/ci/load_images.sh
@@ -206,7 +206,7 @@ create_nova_flavor()
# Create the nova flavor used by some sample test cases
openstack flavor create --id 100 --ram 512 --disk 3 --vcpus 1 yardstick-flavor
# DPDK-enabled OVS requires guest memory to be backed by large pages
- if [[ "$DEPLOY_SCENARIO" == *"-ovs-"* ]]; then
+ if [[ $DEPLOY_SCENARIO == *[_-]ovs[_-]* ]]; then
openstack flavor set --property hw:mem_page_size=large yardstick-flavor
fi
# VPP requires guest memory to be backed by large pages
diff --git a/tests/opnfv/test_cases/opnfv_yardstick_tc076.yaml b/tests/opnfv/test_cases/opnfv_yardstick_tc076.yaml
new file mode 100644
index 000000000..c23ee97c2
--- /dev/null
+++ b/tests/opnfv/test_cases/opnfv_yardstick_tc076.yaml
@@ -0,0 +1,56 @@
+---
+
+schema: "yardstick:task:0.1"
+
+description: >
+ Yardstick TC076 config file;
+ Monitor network metrics provided by the kernel in a host and calculate
+ IP datagram error rate, ICMP message error rate, TCP segment error rate and
+ UDP datagram error rate.
+
+scenarios:
+-
+ type: Ping
+ run_in_background: true
+ options:
+ packetsize: 200
+
+ host: demeter.yardstick-TC076
+ target: poseidon.yardstick-TC076
+
+-
+ type: Nstat
+ options:
+ duration: 300
+
+ host: poseidon.yardstick-TC076
+
+ runner:
+ type: Iteration
+ iterations: 1
+
+ sla:
+ IP_datagram_error_rate: 0.01
+ action: monitor
+
+context:
+ name: yardstick-TC076
+ image: yardstick-image
+ flavor: yardstick-flavor
+ user: ubuntu
+
+ placement_groups:
+ pgrp1:
+ policy: "availability"
+
+ servers:
+ demeter:
+ floating_ip: true
+ placement: "pgrp1"
+ poseidon:
+ floating_ip: true
+ placement: "pgrp1"
+
+ networks:
+ test:
+ cidr: '10.0.1.0/24'
diff --git a/tests/unit/benchmark/contexts/test_node.py b/tests/unit/benchmark/contexts/test_node.py
index 64fe4a566..53a8ffa93 100644
--- a/tests/unit/benchmark/contexts/test_node.py
+++ b/tests/unit/benchmark/contexts/test_node.py
@@ -14,6 +14,7 @@
from __future__ import absolute_import
import os
import unittest
+import mock
from yardstick.benchmark.contexts import node
@@ -123,3 +124,98 @@ class NodeContextTestCase(unittest.TestCase):
curr_path = os.path.dirname(os.path.abspath(__file__))
file_path = os.path.join(curr_path, filename)
return file_path
+
+ prefix = 'yardstick.benchmark.contexts.node'
+
+ @mock.patch('{}.NodeContext._execute_script'.format(prefix))
+ def test_deploy(self, execute_script_mock):
+ obj = node.NodeContext()
+ obj.env = {
+ 'setup': [
+ {'node5': {}}
+ ]
+ }
+ obj.deploy()
+ self.assertTrue(execute_script_mock.called)
+
+ @mock.patch('{}.NodeContext._execute_script'.format(prefix))
+ def test_undeploy(self, execute_script_mock):
+ obj = node.NodeContext()
+ obj.env = {
+ 'teardown': [
+ {'node5': {}}
+ ]
+ }
+ obj.undeploy()
+ self.assertTrue(execute_script_mock.called)
+
+ @mock.patch('{}.ssh.SSH._put_file_shell'.format(prefix))
+ @mock.patch('{}.ssh.SSH.execute'.format(prefix))
+ def test_execute_remote_script(self, execute_mock, put_file_mock):
+ obj = node.NodeContext()
+ obj.env = {'prefix': 'yardstick.benchmark.scenarios.compute'}
+ node_name_args = 'node5'
+ obj.nodes = [{
+ 'name': node_name_args,
+ 'user': 'ubuntu',
+ 'ip': '10.10.10.10',
+ 'pwd': 'ubuntu',
+ }]
+
+ info = {'script': 'computecapacity.bash'}
+ execute_mock.return_value = (0, '', '')
+ obj._execute_remote_script('node5', info)
+
+ self.assertTrue(put_file_mock.called)
+ self.assertTrue(execute_mock.called)
+
+ @mock.patch('{}.NodeContext._execute_local_script'.format(prefix))
+ def test_execute_script_local(self, local_execute_mock):
+ node_name = 'local'
+ info = {}
+ node.NodeContext()._execute_script(node_name, info)
+ self.assertTrue(local_execute_mock.called)
+
+ @mock.patch('{}.NodeContext._execute_remote_script'.format(prefix))
+ def test_execute_script_remote(self, remote_execute_mock):
+ node_name = 'node5'
+ info = {}
+ node.NodeContext()._execute_script(node_name, info)
+ self.assertTrue(remote_execute_mock.called)
+
+ def test_get_script(self):
+ script_args = 'hello.bash'
+ info_args = {
+ 'script': script_args
+ }
+ script, options = node.NodeContext()._get_script(info_args)
+ self.assertEqual(script_args, script)
+ self.assertEqual('', options)
+
+ def test_node_info(self):
+ node_name_args = 'node5'
+ obj = node.NodeContext()
+ obj.nodes = [{'name': node_name_args, 'check': node_name_args}]
+ node_info = obj._get_node_info(node_name_args)
+ self.assertEqual(node_info.get('check'), node_name_args)
+
+ @mock.patch('{}.ssh.SSH.wait'.format(prefix))
+ def test_get_client(self, wait_mock):
+ node_name_args = 'node5'
+ obj = node.NodeContext()
+ obj.nodes = [{
+ 'name': node_name_args,
+ 'user': 'ubuntu',
+ 'ip': '10.10.10.10',
+ 'pwd': 'ubuntu',
+ }]
+ obj._get_client(node_name_args)
+ self.assertTrue(wait_mock.called)
+
+
+def main():
+ unittest.main()
+
+
+if __name__ == '__main__':
+ main()
diff --git a/tests/unit/benchmark/core/test_task.py b/tests/unit/benchmark/core/test_task.py
index c56e21047..cd7ffdebb 100644
--- a/tests/unit/benchmark/core/test_task.py
+++ b/tests/unit/benchmark/core/test_task.py
@@ -155,6 +155,30 @@ class TaskTestCase(unittest.TestCase):
self.assertEqual(task_args_fnames[0], None)
self.assertEqual(task_args_fnames[1], None)
+ def test_change_server_name_host_str(self):
+ scenario = {'host': 'demo'}
+ suffix = '-8'
+ task.change_server_name(scenario, suffix)
+ self.assertTrue(scenario['host'], 'demo-8')
+
+ def test_change_server_name_host_dict(self):
+ scenario = {'host': {'name': 'demo'}}
+ suffix = '-8'
+ task.change_server_name(scenario, suffix)
+ self.assertTrue(scenario['host']['name'], 'demo-8')
+
+ def test_change_server_name_target_str(self):
+ scenario = {'target': 'demo'}
+ suffix = '-8'
+ task.change_server_name(scenario, suffix)
+ self.assertTrue(scenario['target'], 'demo-8')
+
+ def test_change_server_name_target_dict(self):
+ scenario = {'target': {'name': 'demo'}}
+ suffix = '-8'
+ task.change_server_name(scenario, suffix)
+ self.assertTrue(scenario['target']['name'], 'demo-8')
+
def _get_file_abspath(self, filename):
curr_path = os.path.dirname(os.path.abspath(__file__))
file_path = os.path.join(curr_path, filename)
diff --git a/tests/unit/benchmark/scenarios/networking/test_nstat.py b/tests/unit/benchmark/scenarios/networking/test_nstat.py
new file mode 100644
index 000000000..87a766302
--- /dev/null
+++ b/tests/unit/benchmark/scenarios/networking/test_nstat.py
@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+##############################################################################
+# Copyright (c) 2017 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
+##############################################################################
+
+# Unittest for yardstick.benchmark.scenarios.networking.nstat.Nstat
+
+from __future__ import absolute_import
+
+import unittest
+
+import mock
+
+from yardstick.benchmark.scenarios.networking import nstat
+
+@mock.patch('yardstick.benchmark.scenarios.networking.nstat.ssh')
+class NstatTestCase(unittest.TestCase):
+
+ def setUp(self):
+ self.ctx = {
+ "host": {
+ "ip": "192.168.50.28",
+ "user": "root",
+ "key_filename": "mykey.key"
+ }
+ }
+
+ def test_nstat_successful_setup(self, mock_ssh):
+
+ n = nstat.Nstat({}, self.ctx)
+ n.setup()
+
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+ self.assertIsNotNone(n.client)
+ self.assertEqual(n.setup_done, True)
+
+ def test_nstat_successful_no_sla(self, mock_ssh):
+
+ options = {
+ "duration": 60
+ }
+ args = {
+ "options": options,
+ }
+ n = nstat.Nstat(args, self.ctx)
+ result = {}
+
+ sample_output = '#kernel\nIpInReceives 1837 0.0\nIpInHdrErrors 0 0.0\nIpInAddrErrors 2 0.0\nIcmpInMsgs 319 0.0\nIcmpInErrors 0 0.0\nTcpInSegs 36 0.0\nTcpInErrs 0 0.0\nUdpInDatagrams 1318 0.0\nUdpInErrors 0 0.0\n'
+
+ mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+
+ n.run(result)
+ expected_result = {"TcpInErrs": 0, "UdpInDatagrams": 1318,
+ "Tcp_segment_error_rate": 0.0, "IpInAddrErrors": 2,
+ "IpInHdrErrors": 0, "IcmpInErrors": 0, "IpErrors": 2,
+ "TcpInSegs": 36, "IpInReceives": 1837, "IcmpInMsgs": 319,
+ "IP_datagram_error_rate": 0.001, "Udp_datagram_error_rate": 0.0,
+ "Icmp_message_error_rate": 0.0, "UdpInErrors": 0}
+ self.assertEqual(result, expected_result)
+
+ def test_nstat_successful_sla(self, mock_ssh):
+
+ options = {
+ "duration": 60
+ }
+ sla = {
+ "IP_datagram_error_rate": 0.1
+ }
+ args = {
+ "options": options,
+ "sla": sla
+ }
+ n = nstat.Nstat(args, self.ctx)
+ result = {}
+
+ sample_output = '#kernel\nIpInReceives 1837 0.0\nIpInHdrErrors 0 0.0\nIpInAddrErrors 2 0.0\nIcmpInMsgs 319 0.0\nIcmpInErrors 0 0.0\nTcpInSegs 36 0.0\nTcpInErrs 0 0.0\nUdpInDatagrams 1318 0.0\nUdpInErrors 0 0.0\n'
+
+ mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+
+ n.run(result)
+ expected_result = {"TcpInErrs": 0, "UdpInDatagrams": 1318,
+ "Tcp_segment_error_rate": 0.0, "IpInAddrErrors": 2,
+ "IpInHdrErrors": 0, "IcmpInErrors": 0, "IpErrors": 2,
+ "TcpInSegs": 36, "IpInReceives": 1837, "IcmpInMsgs": 319,
+ "IP_datagram_error_rate": 0.001, "Udp_datagram_error_rate": 0.0,
+ "Icmp_message_error_rate": 0.0, "UdpInErrors": 0}
+ self.assertEqual(result, expected_result)
+
+ def test_nstat_unsuccessful_cmd_error(self, mock_ssh):
+
+ options = {
+ "duration": 60
+ }
+ sla = {
+ "IP_datagram_error_rate": 0.1
+ }
+ args = {
+ "options": options,
+ "sla": sla
+ }
+ n = nstat.Nstat(args, self.ctx)
+ result = {}
+
+ mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+ self.assertRaises(RuntimeError, n.run, result)
+
+
+def main():
+ unittest.main()
+
+if __name__ == '__main__':
+ main()
diff --git a/tools/ubuntu-server-cloudimg-dpdk-modify.sh b/tools/ubuntu-server-cloudimg-dpdk-modify.sh
index aa4e252ea..9a3857ee3 100755
--- a/tools/ubuntu-server-cloudimg-dpdk-modify.sh
+++ b/tools/ubuntu-server-cloudimg-dpdk-modify.sh
@@ -63,10 +63,13 @@ linuxheadersversion=`echo ls boot/vmlinuz* | cut -d- -f2-`
apt-get update
apt-get install -y \
+ bc \
fio \
gcc \
git \
iperf3 \
+ iproute2 \
+ ethtool \
linux-tools-common \
linux-tools-generic \
lmbench \
diff --git a/tools/ubuntu-server-cloudimg-modify.sh b/tools/ubuntu-server-cloudimg-modify.sh
index 49c842c97..c0ae774ef 100755
--- a/tools/ubuntu-server-cloudimg-modify.sh
+++ b/tools/ubuntu-server-cloudimg-modify.sh
@@ -58,10 +58,13 @@ bootcmd:
EOF
fi
apt-get install -y \
+ bc \
fio \
git \
gcc \
iperf3 \
+ ethtool \
+ iproute2 \
linux-tools-common \
linux-tools-generic \
lmbench \
diff --git a/yardstick/benchmark/contexts/node.py b/yardstick/benchmark/contexts/node.py
index c7ed3b3f1..6fa9aa99a 100644
--- a/yardstick/benchmark/contexts/node.py
+++ b/yardstick/benchmark/contexts/node.py
@@ -8,14 +8,18 @@
##############################################################################
from __future__ import absolute_import
-import logging
import errno
+import subprocess
import os
import collections
+import logging
+
import yaml
+import pkg_resources
+from yardstick import ssh
from yardstick.benchmark.contexts.base import Context
-from yardstick.definitions import YARDSTICK_ROOT_PATH
+from yardstick.common.constants import YARDSTICK_ROOT_PATH
LOG = logging.getLogger(__name__)
@@ -32,6 +36,7 @@ class NodeContext(Context):
self.controllers = []
self.computes = []
self.baremetals = []
+ self.env = {}
super(NodeContext, self).__init__()
def read_config_file(self):
@@ -69,13 +74,20 @@ class NodeContext(Context):
LOG.debug("Computes: %r", self.computes)
LOG.debug("BareMetals: %r", self.baremetals)
+ self.env = attrs.get('env', {})
+ LOG.debug("Env: %r", self.env)
+
def deploy(self):
- """don't need to deploy"""
- pass
+ setups = self.env.get('setup', [])
+ for setup in setups:
+ for host, info in setup.items():
+ self._execute_script(host, info)
def undeploy(self):
- """don't need to undeploy"""
- pass
+ teardowns = self.env.get('teardown', [])
+ for teardown in teardowns:
+ for host, info in teardown.items():
+ self._execute_script(host, info)
def _get_server(self, attr_name):
"""lookup server info by name from context
@@ -106,3 +118,61 @@ class NodeContext(Context):
node["name"] = attr_name
return node
+
+ def _execute_script(self, node_name, info):
+ if node_name == 'local':
+ self._execute_local_script(info)
+ else:
+ self._execute_remote_script(node_name, info)
+
+ def _execute_remote_script(self, node_name, info):
+ prefix = self.env.get('prefix', '')
+ script, options = self._get_script(info)
+
+ script_file = pkg_resources.resource_filename(prefix, script)
+
+ self._get_client(node_name)
+ self.client._put_file_shell(script_file, '~/{}'.format(script))
+
+ cmd = 'sudo bash {} {}'.format(script, options)
+ status, stdout, stderr = self.client.execute(cmd)
+ if status:
+ raise RuntimeError(stderr)
+
+ def _execute_local_script(self, info):
+ script, options = self._get_script(info)
+ script = os.path.join(YARDSTICK_ROOT_PATH, script)
+ cmd = ['bash', script, options]
+
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+ LOG.debug('\n%s', p.communicate()[0])
+
+ def _get_script(self, info):
+ return info.get('script'), info.get('options', '')
+
+ def _get_client(self, node_name):
+ node = self._get_node_info(node_name.strip())
+
+ if node is None:
+ raise SystemExit('No such node')
+
+ user = node.get('user', 'ubuntu')
+ ssh_port = node.get("ssh_port", ssh.DEFAULT_PORT)
+ ip = node.get('ip')
+ pwd = node.get('password')
+ key_fname = node.get('key_filename', '/root/.ssh/id_rsa')
+
+ if pwd is not None:
+ LOG.debug("Log in via pw, user:%s, host:%s, password:%s",
+ user, ip, pwd)
+ self.client = ssh.SSH(user, ip, password=pwd, port=ssh_port)
+ else:
+ LOG.debug("Log in via key, user:%s, host:%s, key_filename:%s",
+ user, ip, key_fname)
+ self.client = ssh.SSH(user, ip, key_filename=key_fname,
+ port=ssh_port)
+
+ self.client.wait(timeout=600)
+
+ def _get_node_info(self, name):
+ return next((n for n in self.nodes if n['name'].strip() == name))
diff --git a/yardstick/benchmark/core/__init__.py b/yardstick/benchmark/core/__init__.py
index 161e448cc..79ebc732f 100644
--- a/yardstick/benchmark/core/__init__.py
+++ b/yardstick/benchmark/core/__init__.py
@@ -33,6 +33,6 @@ class Param(object):
def print_hbar(barlen):
"""print to stdout a horizontal bar"""
- print("+"),
- print("-" * barlen),
+ print("+")
+ print("-" * barlen)
print("+")
diff --git a/yardstick/benchmark/core/task.py b/yardstick/benchmark/core/task.py
index 87d70f42f..522ad4d23 100644
--- a/yardstick/benchmark/core/task.py
+++ b/yardstick/benchmark/core/task.py
@@ -85,7 +85,7 @@ class Task(object): # pragma: no cover
# (hide it for exit handler)
Context.list = []
else:
- for context in Context.list:
+ for context in Context.list[::-1]:
context.undeploy()
Context.list = []
one_task_end_time = time.time()
@@ -348,17 +348,23 @@ def atexit_handler():
if len(Context.list) > 0:
print("Undeploying all contexts")
- for context in Context.list:
+ for context in Context.list[::-1]:
context.undeploy()
def is_ip_addr(addr):
"""check if string addr is an IP address"""
try:
+ addr = addr.get('public_ip_attr', addr.get('private_ip_attr'))
+ except AttributeError:
+ pass
+
+ try:
ipaddress.ip_address(addr.encode('utf-8'))
- return True
except ValueError:
return False
+ else:
+ return True
def _is_same_heat_context(host_attr, target_attr):
@@ -499,14 +505,24 @@ def check_environment():
def change_server_name(scenario, suffix):
try:
- scenario['host'] += suffix
+ host = scenario['host']
except KeyError:
pass
+ else:
+ try:
+ host['name'] += suffix
+ except TypeError:
+ scenario['host'] += suffix
try:
- scenario['target'] += suffix
+ target = scenario['target']
except KeyError:
pass
+ else:
+ try:
+ target['name'] += suffix
+ except TypeError:
+ scenario['target'] += suffix
try:
key = 'targets'
diff --git a/yardstick/benchmark/runners/arithmetic.py b/yardstick/benchmark/runners/arithmetic.py
index d5605f755..65fdb9d66 100755
--- a/yardstick/benchmark/runners/arithmetic.py
+++ b/yardstick/benchmark/runners/arithmetic.py
@@ -139,7 +139,7 @@ def _worker_process(queue, cls, method_name, scenario_cfg,
sequence += 1
- if (errors and sla_action is None):
+ if errors and sla_action is None:
break
benchmark.teardown()
diff --git a/yardstick/benchmark/scenarios/networking/nstat.py b/yardstick/benchmark/scenarios/networking/nstat.py
new file mode 100644
index 000000000..df96dbda7
--- /dev/null
+++ b/yardstick/benchmark/scenarios/networking/nstat.py
@@ -0,0 +1,130 @@
+##############################################################################
+# Copyright (c) 2017 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 print_function
+from __future__ import absolute_import
+
+import time
+import logging
+
+import yardstick.ssh as ssh
+from yardstick.benchmark.scenarios import base
+
+LOG = logging.getLogger(__name__)
+
+PRECISION = 3
+
+
+class Nstat(base.Scenario):
+ """Use nstat to monitor network metrics and measure IP datagram error rate
+ and etc.
+ """
+
+ __scenario_type__ = "Nstat"
+
+ def __init__(self, scenario_cfg, context_cfg):
+ """Scenario construction"""
+ self.scenario_cfg = scenario_cfg
+ self.context_cfg = context_cfg
+ self.setup_done = False
+
+ def setup(self):
+ """scenario setup"""
+ host = self.context_cfg["host"]
+ user = host.get("user", "ubuntu")
+ ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
+ ip = host.get("ip", None)
+ key_filename = host.get('key_filename', "~/.ssh/id_rsa")
+
+ LOG.info("user:%s, host:%s", user, ip)
+ self.client = ssh.SSH(user, ip, key_filename=key_filename,
+ port=ssh_port)
+ self.client.wait(timeout=600)
+
+ self.setup_done = True
+
+ def match(self, key, field, line, results):
+ """match data in the output"""
+ if key in line:
+ results[key] = int(line.split()[field])
+
+ def calculate_error_rate(self, x, y):
+ """calculate error rate"""
+ try:
+ return round(float(x) / float(y), PRECISION)
+ except ZeroDivisionError:
+ # If incoming Errors is non-zero, but incoming data is zero
+ # consider it as 100% error rate
+ if x:
+ return 1
+ else:
+ return 0
+
+ def process_output(self, out):
+ """process output"""
+ results = {}
+ for line in out.splitlines():
+ self.match('IpInReceives', 1, line, results)
+ self.match('IpInHdrErrors', 1, line, results)
+ self.match('IpInAddrErrors', 1, line, results)
+ self.match('IcmpInMsgs', 1, line, results)
+ self.match('IcmpInErrors', 1, line, results)
+ self.match('TcpInSegs', 1, line, results)
+ self.match('TcpInErrs', 1, line, results)
+ self.match('UdpInDatagrams', 1, line, results)
+ self.match('UdpInErrors', 1, line, results)
+ results['IpErrors'] = \
+ results['IpInHdrErrors'] + results['IpInAddrErrors']
+ results['IP_datagram_error_rate'] = \
+ self.calculate_error_rate(results['IpErrors'],
+ results['IpInReceives'])
+ results['Icmp_message_error_rate'] = \
+ self.calculate_error_rate(results['IcmpInErrors'],
+ results['IcmpInMsgs'])
+ results['Tcp_segment_error_rate'] = \
+ self.calculate_error_rate(results['TcpInErrs'],
+ results['TcpInSegs'])
+ results['Udp_datagram_error_rate'] = \
+ self.calculate_error_rate(results['UdpInErrors'],
+ results['UdpInDatagrams'])
+ return results
+
+ def run(self, result):
+ """execute the benchmark"""
+
+ if not self.setup_done:
+ self.setup()
+
+ options = self.scenario_cfg['options']
+ duration = options.get('duration', 60)
+
+ time.sleep(duration)
+
+ cmd = "nstat -z"
+
+ LOG.debug("Executing command: %s", cmd)
+ status, stdout, stderr = self.client.execute(cmd)
+
+ if status:
+ raise RuntimeError(stderr)
+
+ results = self.process_output(stdout)
+
+ result.update(results)
+
+ if "sla" in self.scenario_cfg:
+ sla_error = ""
+ for i, rate in result.items():
+ if i not in self.scenario_cfg['sla']:
+ continue
+ sla_rate = float(self.scenario_cfg['sla'][i])
+ rate = float(rate)
+ if rate > sla_rate:
+ sla_error += "%s rate %f > sla:%s_rate(%f); " % \
+ (i, rate, i, sla_rate)
+ assert sla_error == "", sla_error
diff --git a/yardstick/benchmark/scenarios/networking/sfc_openstack.py b/yardstick/benchmark/scenarios/networking/sfc_openstack.py
index caaf10060..be24add32 100644
--- a/yardstick/benchmark/scenarios/networking/sfc_openstack.py
+++ b/yardstick/benchmark/scenarios/networking/sfc_openstack.py
@@ -81,7 +81,7 @@ def create_floating_ips(neutron_client): # pragma: no cover
ips = []
props = {'floating_network_id': extnet_id}
try:
- while (len(ips) < 2):
+ while len(ips) < 2:
ip_json = neutron_client.create_floatingip({'floatingip': props})
fip_addr = ip_json['floatingip']['floating_ip_address']
ips.append(fip_addr)
diff --git a/yardstick/cmd/NSBperf.py b/yardstick/cmd/NSBperf.py
index dd96b7fc8..c3730f834 100755
--- a/yardstick/cmd/NSBperf.py
+++ b/yardstick/cmd/NSBperf.py
@@ -115,7 +115,7 @@ class YardstickNSCli(object):
def generate_final_report(self, test_case):
""" Function will check if partial test results are available
and generates final report in rst format.
-"""
+ """
report_caption = '{}\n{} ({})\n{}\n\n'.format(
'================================================================',
diff --git a/yardstick/common/task_template.py b/yardstick/common/task_template.py
index bda8a1b13..9acc21336 100755
--- a/yardstick/common/task_template.py
+++ b/yardstick/common/task_template.py
@@ -45,11 +45,11 @@ def is_really_missing(mis, task_template):
# Removing variables that have default values from
# missing. Construction that won't be properly
# check is {% set x = x or 1}
- if re.search(mis.join(["{%\s*set\s+", "\s*=\s*", "[^\w]+"]),
+ if re.search(mis.join([r"{%\s*set\s+", "\s*=\s*", r"[^\w]+"]),
task_template):
return False
# Also check for a default filter which can show up as
# a missing variable
- if re.search(mis + "\s*\|\s*default\(", task_template):
+ if re.search(mis + r"\s*\|\s*default\(", task_template):
return False
return True