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utils_netperf.py
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utils_netperf.py
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import os
import logging
import re
import aexpect
from avocado.utils import download
from avocado.utils import aurl
from six.moves import xrange
from . import data_dir
from . import remote
class NetperfError(Exception):
pass
class NetperfPackageError(NetperfError):
def __init__(self, error_info):
NetperfError.__init__(self)
self.error_info = error_info
def __str__(self):
e_msg = "Packeage Error: %s" % self.error_info
return e_msg
class NetserverError(NetperfError):
def __init__(self, error_info):
NetperfError.__init__(self)
self.error_info = error_info
def __str__(self):
e_msg = "%s" % self.error_info
return e_msg
class NetperfTestError(NetperfError):
def __init__(self, error_info):
NetperfError.__init__(self)
self.error_info = error_info
def __str__(self):
e_msg = "Netperf test error: %s" % self.error_info
return e_msg
class NetperfPackage(remote.Remote_Package):
def __init__(self, address, netperf_path, md5sum="", netperf_source="",
client="ssh", port="22", username="root", password="123456",
prompt="^root@.*[\#\$]\s*$|", linesep="\n", status_test_command="echo $?"):
"""
Class NetperfPackage just represent the netperf package
Init NetperfPackage class.
:param address: Remote host or guest address
:param netperf_path: Installed netperf path
:param me5sum: Local netperf package me5sum
:param netperf_source: source netperf (path or link) path
:param client: The client to use ('ssh', 'telnet' or 'nc')
:param port: Port to connect to
:param username: Username (if required)
:param password: Password (if required)
"""
super(NetperfPackage, self).__init__(address, client, username,
password, port, netperf_path)
self.netperf_source = netperf_source
self.pack_suffix = ""
self.netperf_dir = None
self.build_tool = False
self.md5sum = md5sum
self.netperf_base_dir = self.remote_path
self.netperf_file = os.path.basename(self.netperf_source)
if client == "ssh":
if self.netperf_source.endswith("tar.bz2"):
self.pack_suffix = ".tar.bz2"
self.decomp_cmd = "tar jxf"
elif self.netperf_source.endswith("tar.gz"):
self.pack_suffix = ".tar.gz"
self.decomp_cmd = "tar zxf"
self.netperf_dir = os.path.join(self.remote_path,
self.netperf_file.rstrip(self.pack_suffix))
if self.pack_suffix:
self.netserver_path = os.path.join(self.netperf_dir,
"src/netserver")
self.netperf_path = os.path.join(self.netperf_dir,
"src/netperf")
else:
self.netserver_path = os.path.join(self.netperf_base_dir,
self.netperf_file)
self.netperf_path = os.path.join(self.netperf_base_dir,
self.netperf_file)
logging.debug("Create remote session")
self.session = remote.remote_login(self.client, self.address,
self.port, self.username,
self.password, prompt,
linesep, timeout=360,
status_test_command=status_test_command)
def __del__(self):
self.env_cleanup()
def env_cleanup(self, clean_all=True):
clean_cmd = ""
if self.netperf_dir:
clean_cmd = "rm -rf %s" % self.netperf_dir
if clean_all:
clean_cmd += " rm -rf %s" % os.path.join(self.remote_path,
self.netperf_file)
self.session.cmd(clean_cmd, ignore_all_errors=True)
def pack_compile(self, compile_option=""):
pre_setup_cmd = "cd %s " % self.netperf_base_dir
pre_setup_cmd += " && %s %s" % (self.decomp_cmd, self.netperf_file)
pre_setup_cmd += " && cd %s " % self.netperf_dir
# Create dict to make other OS architectures easy to extend
build_type = {"aarch64": "aarch64-unknown-linux-gnu"}
build_arch = self.session.cmd_output("arch", timeout=60).strip()
np_build = build_type.get(build_arch, build_arch).strip()
setup_cmd = "./configure --build=%s %s > /dev/null 2>&1" % (np_build,
compile_option)
setup_cmd += " && make > /dev/null 2>&1"
self.env_cleanup(clean_all=False)
cmd = "%s && %s " % (pre_setup_cmd, setup_cmd)
try:
self.session.cmd(cmd, timeout=1200)
except aexpect.ShellError as e:
raise NetperfPackageError("Compile failed: %s" % e)
def pull_file(self, netperf_source=None):
"""
Copy file from remote to local.
"""
if aurl.is_url(netperf_source):
logging.debug("Download URL file to local path")
tmp_dir = data_dir.get_download_dir()
dst = os.path.join(tmp_dir, os.path.basename(netperf_source))
self.netperf_source = download.get_file(src=netperf_source,
dst=dst,
hash_expected=self.md5sum)
else:
self.netperf_source = netperf_source
return self.netperf_source
def install(self, install, compile_option):
cmd = "which netperf"
try:
status, netperf = self.session.cmd_status_output(cmd)
except aexpect.ShellError:
status = 1
if not status:
self.netperf_path = netperf.rstrip()
cmd = "which netserver"
self.netserver_path = self.session.cmd_output(cmd).rstrip()
install = False
if install:
self.build_tool = True
self.pull_file(self.netperf_source)
self.push_file(self.netperf_source)
if self.pack_suffix:
logging.debug("Compiling netserver from source")
self.pack_compile(compile_option)
msg = "Using local netperf: %s and %s" % (self.netperf_path,
self.netserver_path)
logging.debug(msg)
return (self.netserver_path, self.netperf_path)
class Netperf(object):
def __init__(self, address, netperf_path, md5sum="", netperf_source="",
client="ssh", port="22", username="root", password="redhat",
prompt="^root@.*[\#\$]\s*$|", linesep="\n", status_test_command="echo $?",
compile_option="--enable-demo=yes", install=True):
"""
Init NetperfServer class.
:param address: Remote host or guest address
:param netperf_path: Remote netperf path
:param me5sum: Local netperf package me5sum
:param netperf_source: netperf source file (path or link) which will
transfer to remote
:param client: The client to use ('ssh', 'telnet' or 'nc')
:param port: Port to connect to
:param username: Username (if required)
:param password: Password (if required)
:param compile_option: Compile option for netperf
:param install: Whether need install netperf or not.
"""
self.client = client
self.package = NetperfPackage(address, netperf_path, md5sum,
netperf_source, client, port, username,
password, prompt, linesep, status_test_command)
self.netserver_path, self.netperf_path = self.package.install(install,
compile_option)
logging.debug("Create remote session")
self.session = remote.remote_login(client, address, port, username,
password, prompt,
linesep, timeout=360,
status_test_command=status_test_command)
def is_target_running(self, target):
list_cmd = "ps -C %s" % target
if self.client == "nc":
list_cmd = "wmic process where name='%s' list" % target
try:
output = self.session.cmd_output_safe(list_cmd, timeout=120)
check_reg = re.compile(r"%s" % target, re.I | re.M)
return bool(check_reg.findall(output))
except Exception as err:
logging.debug("Check process error: %s" % str(err))
return False
def stop(self, target):
if self.client == "nc":
stop_cmd = "taskkill /F /IM %s*" % target
else:
stop_cmd = "killall %s" % target
if self.is_target_running(target):
self.session.cmd(stop_cmd, ignore_all_errors=True)
if self.is_target_running(target):
raise NetserverError("Cannot stop %s" % target)
logging.info("Stop %s successfully" % target)
class NetperfServer(Netperf):
def __init__(self, address, netperf_path, md5sum="", netperf_source="",
client="ssh", port="22", username="root", password="redhat",
prompt="^root@.*[\#\$]\s*$|", linesep="\n", status_test_command="echo $?",
compile_option="--enable-demo=yes", install=True):
"""
Init NetperfServer class.
:param address: Remote host or guest address
:param netperf_path: Remote netperf path
:param me5sum: Local netperf package me5sum
:param netperf_source: Local netperf (path or link) with will transfer to
remote
:param client: The client to use ('ssh', 'telnet' or 'nc')
:param port: Port to connect to
:param username: Username (if required)
:param password: Password (if required)
:param compile_option: Compile option for netperf
:param install: Whether need install netperf or not.
"""
super(NetperfServer, self).__init__(address, netperf_path, md5sum,
netperf_source, client, port, username,
password, prompt, linesep, status_test_command,
compile_option, install)
def start(self, restart=False):
"""
Start/Restart netserver
:param restart: if restart=True, will restart the netserver
"""
logging.info("Start netserver ...")
server_cmd = ""
if self.client == "nc":
server_cmd += "start /b %s > null" % self.netserver_path
else:
server_cmd = "%s > /dev/null" % self.netserver_path
if restart:
self.stop()
if not self.is_server_running():
logging.info("Start netserver with cmd: '%s'" % server_cmd)
self.session.cmd_output_safe(server_cmd)
if not self.is_server_running():
raise NetserverError("Can not start netperf server!")
logging.info("Netserver start successfully")
def is_server_running(self):
return self.is_target_running(os.path.basename(self.netserver_path))
def stop(self):
super(NetperfServer, self).stop(os.path.basename(self.netserver_path))
class NetperfClient(Netperf):
def __init__(self, address, netperf_path, md5sum="", netperf_source="",
client="ssh", port="22", username="root", password="redhat",
prompt="^root@.*[\#\$]\s*$|", linesep="\n", status_test_command="echo $?",
compile_option="", install=True):
"""
Init NetperfClient class.
:param address: Remote host or guest address
:param netperf_path: Remote netperf path
:param me5sum: Local netperf package me5sum
:param netperf_source: Netperf source file (path or link) which will
transfer to remote
:param client: The client to use ('ssh', 'telnet' or 'nc')
:param port: Port to connect to
:param username: Username (if required)
:param password: Password (if required)
:param compile_option: Compile option for netperf
:param install: Whether need install netperf or not.
"""
super(NetperfClient, self).__init__(address, netperf_path, md5sum,
netperf_source, client, port, username,
password, prompt, linesep, status_test_command,
compile_option, install)
def start(self, server_address, test_option="", timeout=1200,
cmd_prefix="", package_sizes=""):
"""
Run netperf test
:param server_address: Remote netserver address
:param netperf_path: Netperf test option (global/test option)
:param timeout: Netperf test timeout(-l)
:param cmd_prefix: Prefix in netperf command
:param package_sizes: Package sizes test in netperf command.
:return: return test result
"""
netperf_cmd = "%s %s -H %s %s " % (cmd_prefix, self.netperf_path,
server_address, test_option)
try:
output = ""
if package_sizes:
for p_size in package_sizes.split():
cmd = netperf_cmd + " -- -m %s" % p_size
logging.info("Start netperf with cmd: '%s'" % cmd)
output += self.session.cmd_output_safe(cmd,
timeout=timeout)
else:
logging.info("Start netperf with cmd: '%s'" % netperf_cmd)
output = self.session.cmd_output_safe(netperf_cmd,
timeout=timeout)
except aexpect.ShellError as err:
raise NetperfTestError("Run netperf error. %s" % str(err))
self.result = output
return self.result
def bg_start(self, server_address, test_option="", session_num=1,
cmd_prefix="", package_sizes=""):
"""
Run netperf background, for stress test do not have output
:param server_address: Remote netserver address
:param netperf_path: netperf test option (global/test option)
:param timeout: Netperf test timeout(-l)
:param cmd_prefix: Prefix in netperf command
:param package_sizes: Package sizes test in netperf command.
"""
if self.client == "nc":
netperf_cmd = "start /b %s %s -H %s %s " % (cmd_prefix,
self.netperf_path,
server_address,
test_option)
else:
netperf_cmd = "%s %s -H %s %s " % (cmd_prefix,
self.netperf_path,
server_address,
test_option)
if package_sizes:
for p_size in package_sizes.split():
cmd = netperf_cmd + " -- -m %s" % p_size
if self.client == "nc":
cmd = "%s > null " % cmd
else:
cmd = "%s > /dev/null" % cmd
txt = "Start %s sessions netperf background" % session_num
txt += " with cmd: '%s' " % cmd
logging.info(txt)
for num in xrange(int(session_num)):
self.session.cmd_output_safe("%s &" % cmd)
else:
if self.client == "nc":
netperf_cmd = "%s > null " % netperf_cmd
else:
netperf_cmd = "%s > /dev/null " % netperf_cmd
txt = "Start %s sessions netperf background" % session_num
txt += " with cmd: '%s' " % netperf_cmd
logging.info(txt)
for num in xrange(int(session_num)):
self.session.cmd_output_safe("%s &" % netperf_cmd)
def is_netperf_running(self):
return self.is_target_running(os.path.basename(self.netperf_path))
def stop(self):
super(NetperfClient, self).stop(os.path.basename(self.netperf_path))