def test_upload_offset(test, vm, params):
"""
Test command upload_offset
"""
add_ref = params.get("gf_add_ref", "disk")
readonly = "yes" == params.get("gf_add_readonly")
gf = utils_test.libguestfs.GuestfishTools(params)
if add_ref == "disk":
image_path = params.get("image_path")
gf.add_drive_opts(image_path, readonly=readonly)
elif add_ref == "domain":
vm_name = params.get("main_vm")
gf.add_domain(vm_name, readonly=readonly)
gf.run()
gf.do_mount("/")
filename = "%s/src.txt" % data_dir.get_tmp_dir()
string = "Hello World"
process.getoutput("echo %s > %s" % (string, filename))
gf.upload_offset(filename, "/dest.txt", 0)
content = gf.cat("/dest.txt").stdout.strip()
gf.close_session()
process.getoutput("rm %s" % filename)
if content != string:
test.fail("Content is not correct")
def check_ksm(mem, stress=False):
"""
:param mem: Boot guest with given memory, in KB
:param stress: Load stress or not
"""
params['mem'] = mem // 1024
params['start_vm'] = 'yes'
vm_name = params['main_vm']
env_process.preprocess_vm(test, params, env, vm_name)
vm = env.get_vm(vm_name)
vm.wait_for_login()
if stress:
params['stress_args'] = ('--cpu 4 --io 4 --vm 2 --vm-bytes %sM' %
(int(params['mem']) // 2))
stress_test = VMStress(vm, "stress", params)
stress_test.load_stress_tool()
time.sleep(30)
qemu_pid = vm.get_pid()
qemu_used_page = utils_misc.normalize_data_size(process.getoutput(
params['cmd_get_qemu_used_mem'] % qemu_pid, shell=True) + 'K', 'B')
pagesize = utils_memory.getpagesize()
qemu_used_mem = int(float(qemu_used_page)) * pagesize
free_mem_host = utils_memory.freememtotal()
ksm_status = process.getoutput(params['cmd_check_ksm_status'])
vm.destroy()
logging.info('The ksm threshold is %s, the memory allocated by qemu is'
' %s, and the total free memory on host is %s.' %
(ksm_thres, qemu_used_mem, free_mem_host))
if free_mem_host >= ksm_thres:
if ksm_status != '0':
test.fail('Ksm should not start.')
if stress:
test.error('The host resource is not consumed as expected.')
elif ksm_status == '0':
test.fail('Ksm should start but it does not.')
def get_user_ugid(username):
"""
return user uid and gid as a list
"""
user_uid = process.getoutput("id -u %s" % username).split()
user_gid = process.getoutput("id -g %s" % username).split()
return (user_uid, user_gid)
def _start_usbredir_server():
process.getoutput("killall usbredirserver")
usbredir_server = utils_misc.get_binary('usbredirserver', params)
usbredirserver_args = usbredir_server + " -p %s " % free_port
usbredirserver_args += " %s:%s" % (vendorid, productid)
usbredirserver_args += " > /dev/null 2>&1"
rv_thread = utils_misc.InterruptedThread(os.system,
(usbredirserver_args, ))
rv_thread.start()
def create_path_disk():
"""Create a passthrough disk with scsi_debug """
process.getoutput(params["pre_command"], shell=True)
disks_old = process.getoutput("ls -1d /dev/sd*", shell=True).split()
process.system_output(params["create_command"],
timeout=300,
shell=True,
verbose=False)
disks_new = process.getoutput("ls -1d /dev/sd*", shell=True).split()
return list(set(disks_new) - set(disks_old))[0]
def _host_config_check():
status = True
err_msg = ''
if option == "with_negative_config":
out = process.getoutput("dmesg")
pattern = r"usb (\d-\d(?:.\d)?):.*idVendor=%s, idProduct=%s"
pattern = pattern % (vendorid, productid)
obj = re.search(pattern, out, re.ASCII)
if not obj:
status = False
err_msg = "Fail to get the USB device info in host dmesg"
return (status, err_msg)
error_context.context("Make USB device unconfigured",
test.log.info)
unconfig_value = params["usbredir_unconfigured_value"]
cmd = "echo %s > /sys/bus/usb/devices/%s/bConfigurationValue"
cmd = cmd % (unconfig_value, obj.group(1))
test.log.info(cmd)
s, o = process.getstatusoutput(cmd)
if s:
status = False
err_msg = "Fail to unconfig the USB device, output: %s" % o
return (status, err_msg)
if backend == 'spicevmc':
gui_group = "Server with GUI"
out = process.getoutput('yum group list --installed',
allow_output_check='stdout',
shell=True)
obj = re.search(r"(Installed Environment Groups:.*?)^\S", out,
re.S | re.M)
if not obj or gui_group not in obj.group(1):
gui_groupinstall_cmd = "yum groupinstall -y '%s'" % gui_group
s, o = process.getstatusoutput(gui_groupinstall_cmd,
shell=True)
if s:
status = False
err_msg = "Fail to install '%s' on host, " % gui_group
err_msg += "output: %s" % o
return (status, err_msg)
virt_viewer_cmd = "rpm -q virt-viewer || yum install -y virt-viewer"
s, o = process.getstatusoutput(virt_viewer_cmd, shell=True)
if s:
status = False
err_msg = "Fail to install 'virt-viewer' on host, "
err_msg += "output: %s" % o
return (status, err_msg)
elif backend == 'tcp_socket':
create_repo()
if not utils_package.package_install("usbredir-server"):
status = False
err_msg = "Fail to install 'usbredir-server' on host"
return (status, err_msg)
return (status, err_msg)
def list_mount_devices():
"""
Lists mounted file systems and swap on devices.
"""
# list mounted file systems
devices = [
line.split()[0]
for line in process.getoutput('mount').splitlines()
]
# list mounted swap devices
swaps = process.getoutput('swapon -s').splitlines()
devices.extend(
[line.split()[0] for line in swaps if line.startswith('/')])
return devices
def virsh_convxml(guest_args):
"""
Put dumpxml vm'infomation to a file
:param guest_args : File which will save config information.
"""
pid = vm.get_pid()
cmdline = process.run("cat -v /proc/%d/cmdline" % pid).stdout_text
cmdline = re.sub(r'\^@', ' ', cmdline)
cmdline_tmp = re.sub(r'\s-drive\s[^\s]+', '\s', cmdline)
# Libvirt requires the binary path for domxml-from-native to succeed
# /proc/pid/cmdline would give qemu cmdline with binary without
# absolute path
qemu_bin = ['qemu-system-ppc64', 'qemu-system-x86_64', 'qemu-kvm', 'kvm']
change_bin = ''
qemu_binary = ''
for each_bin in qemu_bin:
if each_bin in cmdline_tmp:
qemu_binary = each_bin
break
for each_opt in cmdline_tmp.split():
if qemu_binary in each_opt:
change_bin = each_opt
break
exec_str = "export PATH=$PATH:/usr/libexec;which %s"
qemu_binary = process.getoutput(exec_str % qemu_binary, shell=True)
if change_bin.strip() != qemu_binary.strip():
cmdline_tmp = re.sub(change_bin, qemu_binary, cmdline_tmp)
with open(guest_args, 'w') as guest_file:
guest_file.write(cmdline_tmp)
def generate_mem_dump(test, params, vm):
"""
Generate the Memory.dmp file through qemu side.
:param test: kvm test object
:param params: the dict used for parameters.
:param vm: VM object.
"""
tmp_dir = params["tmp_dir"]
if not os.path.isdir(tmp_dir):
process.system("mkdir %s" % tmp_dir)
dump_name = utils_misc.generate_random_string(4) + "Memory.dmp"
dump_file = tmp_dir + "/" + dump_name
output = vm.monitor.human_monitor_cmd('dump-guest-memory -w %s' %
dump_file)
if output:
test.fail("Save dump file failed as: %s" % output)
else:
cmd = "ls -l %s | awk '{print $5}'" % dump_file
dump_size = int(process.getoutput(cmd))
if dump_size == 0:
test.fail("The size of dump file is %d" % dump_size)
dump_name_zip = "%s.zip" % dump_name
process.system("cd %s && zip %s %s" % (tmp_dir, dump_name_zip, dump_name),
shell=True)
dump_file_zip = tmp_dir + "/" + dump_name_zip
return dump_file, dump_file_zip
def run(test, params, env):
"""
Boot guest after disable ept/npt:
1) Create lvm with read-only permission
2) Boot up guest with lvm
3) Unplug the disk
4) Hotplug blockdev node with auto-read-only
:param test: QEMU test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment
"""
params["start_vm"] = 'yes'
params["pv_name"] = process.getoutput(params["get_devname_command"])
lvm = LVM(params)
lvm.setup()
env_process.preprocess_vm(test, params, env, params["main_vm"])
vm = env.get_vm(params['main_vm'])
session = vm.wait_for_login()
qmp_port = vm.monitor
qdev = vm.devices
device = qdev.get_by_params({"id": 'stg0'})[0]
qdev.simple_unplug(device, qmp_port)
image_name = params["data_tag"]
image_params = params.object_params(image_name)
devs = qdev.images_define_by_params(image_name, image_params, 'disk')
for dev in devs:
qdev.simple_hotplug(dev, qmp_port)
def run(test, params, env):
"""
acpi description of serial and parallel ports incorrect
with -chardev/-device:
1) Check device resources(io port and irq) on host
2) Boot guest A with isa-serial with tty chardev backend
3) Check device resources inside guest A
4) Boot guest B with -serial /dev/ttyS0
5) Check device resources inside guest B
6) Check if the result are same for host, A and B.
:param test: QEMU test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
outputs = []
check_cmd = params['check_cmd']
host_output = process.getoutput(check_cmd)[:35]
outputs.append(host_output)
for x in range(2):
if x >= 1:
params['serials'] = " ".join(params['serials'].split()[:-1])
params['extra_params'] = params.get('extra_params',
'') + ' -serial /dev/ttyS0'
env_process.preprocess(test, params, env)
vm = env.get_vm(params["main_vm"])
session = vm.wait_for_login()
vm_output = session.cmd_status_output(check_cmd)[1][:35]
outputs.append(vm_output)
vm.destroy()
assert outputs.count(outputs[0]) == len(outputs), \
"Host: {} and VM 1: {} and VM 2: {} are not the same".\
format(outputs[0], outputs[1], outputs[2])
def get_image_size(self, image):
"""
Get image size for given image.
:param image: image file.
:return: image size.
"""
force_share = False
pause_vm = False
params = self.params.object_params(image)
qemu_image = qemu_storage.QemuImg(params, self.data_dir, image)
if self.vm:
pids = process.getoutput(
"lsof %s |grep -v PID|awk '{print $2}'" % qemu_image.image_filename)
force_share = str(self.vm.get_pid()) in pids
if force_share and not self.vm.is_paused():
self.vm.pause()
pause_vm = True
image_info = qemu_image.info(force_share=force_share)
if self.vm and pause_vm:
self.vm.resume()
if not image_info:
self.test.error("Get image info failed.")
image_size = re.findall(r"disk size: (\d\.?\d*?.*)", image_info)[0]
image_size = int(float(utils_misc.normalize_data_size(image_size, "B")))
logging.info("Image size of %s is %s", image, image_size)
return image_size
def check_qemu_used_mem(qemu_pid, mem):
qemu_used_page = process.getoutput(get_qemu_used_mem % qemu_pid,
shell=True)
qemu_used_mem = float(qemu_used_page) * pagesize
if qemu_used_mem < mem * mem_thres:
return False
return True
def test_download_offset(test, vm, params):
"""
Test command download-offset
"""
add_ref = params.get("gf_add_ref", "disk")
readonly = "yes" == params.get("gf_add_readonly")
gf = utils_test.libguestfs.GuestfishTools(params)
if add_ref == "disk":
image_path = params.get("image_path")
gf.add_drive_opts(image_path, readonly=readonly)
elif add_ref == "domain":
vm_name = params.get("main_vm")
gf.add_domain(vm_name, readonly=readonly)
gf.run()
gf.do_mount("/")
string = "Hello World"
gf.write("/src.txt", string)
src_size = gf.filesize("/src.txt").stdout.strip()
dest = "%s/dest.txt" % data_dir.get_tmp_dir()
gf.download_offset("/src.txt", "%s" % dest, 0, len(string))
gf.close_session()
content = process.getoutput("cat %s" % dest)
process.system("rm %s" % dest)
if content != "Hello World":
test.fail("Content or filesize is not match")
def check_snap_in_image(vm_name, snap_name):
"""
check the snapshot info in image
:params: vm_name: VM name
:params: snap_name: Snapshot name
"""
domxml = virsh.dumpxml(vm_name).stdout.strip()
xtf_dom = xml_utils.XMLTreeFile(domxml)
# Check whether qemu-img need add -U suboption since locking feature was added afterwards qemu-2.10
qemu_img_locking_feature_support = libvirt_storage.check_qemu_image_lock_support(
)
cmd = "qemu-img info " + xtf_dom.find("devices/disk/source").get("file")
if qemu_img_locking_feature_support:
cmd = "qemu-img info -U " + xtf_dom.find("devices/disk/source").get(
"file")
img_info = process.getoutput(cmd).strip()
if re.search(snap_name, img_info):
logging.info("Find snapshot info in image")
return True
else:
return False
def setup_remote(self):
"""
Mount sharing directory to remote host.
"""
check_mount_dir_cmd = self.ssh_cmd + "'ls -d %s'" % self.mount_dir
logging.debug("To check if the %s exists", self.mount_dir)
output = process.getoutput(check_mount_dir_cmd)
if re.findall("No such file or directory", output, re.M):
mkdir_cmd = self.ssh_cmd + "'mkdir -p %s'" % self.mount_dir
logging.debug("Prepare to create %s", self.mount_dir)
s, o = process.getstatusoutput(mkdir_cmd)
if s != 0:
raise exceptions.TestFail("Failed to run %s: %s" %
(mkdir_cmd, o))
self.mkdir_mount_remote = True
if self.params.get("firewall_to_permit_nfs", "yes") == "yes":
self.firewall_to_permit_nfs()
self.mount_src = "%s:%s" % (self.nfs_server_ip, self.mount_src)
logging.debug("Mount %s to %s" % (self.mount_src, self.mount_dir))
mount_cmd = "mount -t nfs %s %s" % (self.mount_src, self.mount_dir)
if self.mount_options:
mount_cmd += " -o %s" % self.mount_options
try:
cmd = "%s '%s'" % (self.ssh_cmd, mount_cmd)
process.system(cmd, verbose=True)
except process.CmdError:
raise exceptions.TestFail("Failed to run: %s" % cmd)
# Check if the sharing directory is mounted
if not self.is_mounted():
raise exceptions.TestFail("Failed to mount from %s to %s" %
self.mount_src, self.mount_dir)
def list_mount_points():
"""
Lists the mount points.
"""
return [
line.split()[2]
for line in process.getoutput('mount').splitlines()
]
def get_ovs_ports(ovs):
'''
get the ovs bridge all Interface list.
:param ovs: Ovs bridge name
'''
cmd = "ovs-vsctl list-ports %s" % ovs
return process.getoutput(cmd, shell=True)
def get_wwpn(self, fc_host):
'''
find and return the wwpn of a fc_host
'''
cmd = 'cat /sys/class/fc_host/%s/port_name' % fc_host
wwpn = process.getoutput(cmd)[2:]
wwpn = ':'.join([wwpn[i:i+2] for i in range(0, len(wwpn), 2)])
return wwpn
def get_ovs_ports(ovs):
'''
get the ovs bridge all Interface list.
:param ovs: Ovs bridge name
'''
cmd = "ovs-vsctl list-ports %s" % ovs
return process.getoutput(cmd, shell=True)
def _rv_connection_check():
rv_pid = process.getoutput("pidof %s" % rv_binary)
cmd = 'netstat -ptn | grep "^tcp.*127.0.0.1:%s.*ESTABLISHED %s.*"'
cmd = cmd % (spice_port, rv_pid)
s, o = process.getstatusoutput(cmd)
if s:
return False
test.log.info("netstat output:\n%s", o)
return True
def is_mpath_flushed(self):
'''
returns True if multipath is flushed else false
'''
process.system("multipath -F", ignore_status=True)
cmd = "lsmod | grep -i ^%s" % self.module
if process.getoutput(cmd).split(" ")[-1] == '0':
return True
return False
def get_fc_host(self, path):
'''
find and returns fc_host for given disk
'''
cmd = 'ls -l /sys/block/ | grep -i %s' % path
out = process.getoutput(cmd)
for line in out.split("/"):
if "host" in line:
return line
def run(test, params, env):
"""
Test cpu flag intel-pt.
1) Check if current flags are in the supported lists, if no, cancel test
2) Otherwise, set pt_mode = 1 on host at first
3) Boot guest with cpu model 'host' without intel-pt.
4) Check cpu flags in guest(only for linux guest)
5) For q35
5.1) boot guest with cpu model with intel-pt
6) For pc
6.1) boot guest with intel-pt and min-level=0x14
7) Check cpu flags in guest(only for linux guest)
8) Restore pt_mode value on host at last
:param test: QEMU test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
flags = params["flags"]
check_cpu_flags(params, flags, test)
set_pt_mode = params.get("set_pt_mode")
get_pt_mode = params.get("get_pt_mode")
origin_value = process.getoutput(get_pt_mode).strip()
try:
if origin_value != '1':
process.system(set_pt_mode % '1', shell=True)
pt_mode = process.getoutput(get_pt_mode).strip()
if pt_mode != '1':
test.cancel("pt_mode can't be set to 1")
params["start_vm"] = "yes"
env_process.preprocess(test, params, env)
vm = env.get_vm(params["main_vm"])
error_context.context("Try to log into guest", test.log.info)
session = vm.wait_for_login()
if params["os_type"] == "linux":
check_cpu_flags(params, flags, test, session)
vm.verify_kernel_crash()
session.close()
utils_misc.wait_for(vm.destroy, 240)
finally:
process.system(set_pt_mode % origin_value, shell=True)
def run(test, params, env):
"""
Timer device tscwrite test:
1) Check for an appropriate clocksource on host.
2) Boot the guest.
3) Download and compile the newest msr-tools.
4) Execute cmd in guest.
:param test: QEMU test object.
:param params: Dictionary with test parameters.
:param env: Dictionary with the test environment.
"""
error_context.context("Check for an appropriate clocksource on host",
logging.info)
host_cmd = "cat /sys/devices/system/clocksource/"
host_cmd += "clocksource0/current_clocksource"
if "tsc" not in process.getoutput(host_cmd):
test.cancel("Host must use 'tsc' clocksource")
error_context.context("Boot the guest", logging.info)
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = int(params.get("login_timeout", 360))
session = vm.wait_for_login(timeout=timeout)
error_context.context("Download and compile the newest msr-tools",
logging.info)
tarball = params["tarball"]
compile_cmd = params["compile_cmd"]
msr_name = params["msr_name"]
tarball = os.path.join(data_dir.get_deps_dir(), tarball)
msr_dir = "/tmp/"
vm.copy_files_to(tarball, msr_dir)
session.cmd("cd %s && tar -zxvf %s" % (msr_dir, os.path.basename(tarball)))
session.cmd("cd %s && %s" % (msr_name, compile_cmd))
error_context.context("Execute cmd in guest", logging.info)
cmd = "dmesg -c > /dev/null"
session.cmd(cmd)
date_cmd = "strace date 2>&1 | egrep 'clock_gettime|gettimeofday' | wc -l"
output = session.cmd(date_cmd)
if '0' not in output:
test.fail("Test failed before run msr tools. Output: '%s'" % output)
msr_tools_cmd = params["msr_tools_cmd"]
session.cmd(msr_tools_cmd)
cmd = "dmesg"
session.cmd(cmd)
output = session.cmd(date_cmd)
if "1" not in output:
test.fail("Test failed after run msr tools. Output: '%s'" % output)
def run(test, params, env):
"""
Test long time virtio serial guest file transfer.
Steps:
1) Boot up a VM with virtio serial device.
2) Create a large file in guest or host(sender).
3) In 'repeat_time', repeatedly transfer the file between guest and host
4) Kill the data transfer process
5) Check guest running well, no crash
:param test: QEMU test object.
:param params: Dictionary with the test parameters.
:param env: Dictionary with test environment.
"""
os_type = params["os_type"]
sender = params['file_sender']
file_size = int(params.get("filesize", 100))
continue_time = int(params.get("continue_transfer_time", 600))
vm = env.get_vm(params["main_vm"])
session = vm.wait_for_login()
host_dir = data_dir.get_tmp_dir()
guest_dir = params.get("tmp_dir", '/var/tmp/')
host_file_size, guest_file_size, _, _ =\
get_command_options(sender, file_size)
host_file_name = generate_data_file(host_dir, host_file_size)
guest_file_name = generate_data_file(
guest_dir, guest_file_size, session)
check_pid_cmd = 'ps aux | grep "%s"| grep -v "grep"'
host_script = params['host_script']
guest_script = params["guest_script"]
logging.info('Transfer data from %s', sender)
try:
test_time = time.time() + continue_time
while time.time() < test_time:
transfer_data(
params, vm, host_file_name, guest_file_name, sender, False)
host_proc = process.getoutput(check_pid_cmd % host_script, shell=True)
guest_proc = session.cmd_output(check_pid_cmd % guest_script)
if host_proc:
host_pid = host_proc.split()[1]
logging.info("Kill serial process on host")
os.kill(int(host_pid), signal.SIGINT)
if guest_proc:
guest_pid = guest_proc.split()[1]
logging.info("Kill serial process on guest")
session.cmd('kill -9 %s' % guest_pid)
finally:
clean_cmd = params['clean_cmd']
session.cmd('%s %s' % (clean_cmd, guest_file_name))
os.remove(host_file_name)
session.close()
vm.verify_kernel_crash()
vm.destroy()
def get_abstract_address(hostfile):
"""
Only for unix socket
:param hostfile: the unix socket path in command
:return: Abstract hostfile address for unix socket
"""
find_cmd = "cat /proc/net/unix | grep '%s'" % hostfile
abstract_hostfile = process.getoutput(find_cmd).strip().split(' ')[-1]
return abstract_hostfile
def get_mpath_status(mpath):
"""
Get the status of mpathX of multipaths.
:param mpath: mpath names. Example: mpatha, mpathb.
:return: state of mpathX eg: Active, Suspend, None
"""
cmd = f'multipathd -k"show maps status" | grep -i {mpath}'
mpath_status = process.getoutput(cmd).split()[-2]
return mpath_status
def get_paths(self, fc_host):
'''
returns the list of paths coressponding to the given fc_host
'''
paths = []
cmd = 'ls -l /sys/block/ | grep -i %s' % fc_host
for line in process.getoutput(cmd):
if "/%s/" % fc_host in line:
paths.append(line.split("/")[-1])
return paths
def built_in_module(self, module):
"""
checking whether the given module is built_in module or not
"""
path = "/lib/modules/%s/modules.builtin" % self.uname
for each in genio.read_all_lines(path):
out = process.getoutput(each.split('/')[-1])
if module == out.split('.'[0]):
return True
return False
def get_microcode_ver(cmd, session=None):
"""
Get microcde version in guest or host
"""
if session:
output = session.cmd_output(cmd)
else:
output = process.getoutput(cmd, shell=True)
ver = re.findall(r":\s*(0x[0-9A-Fa-f]+)", output)[0]
return ver
def run(test, params, env):
"""
Timer device tscwrite test:
1) Check for an appropriate clocksource on host.
2) Boot the guest.
3) Download and compile the newest msr-tools.
4) Execute cmd in guest.
:param test: QEMU test object.
:param params: Dictionary with test parameters.
:param env: Dictionary with the test environment.
"""
error_context.context("Check for an appropriate clocksource on host",
logging.info)
host_cmd = "cat /sys/devices/system/clocksource/"
host_cmd += "clocksource0/current_clocksource"
if "tsc" not in process.getoutput(host_cmd):
test.cancel("Host must use 'tsc' clocksource")
error_context.context("Boot the guest", logging.info)
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = int(params.get("login_timeout", 360))
session = vm.wait_for_login(timeout=timeout)
error_context.context("Download and compile the newest msr-tools",
logging.info)
msr_tools_install_cmd = params["msr_tools_install_cmd"]
session.cmd(msr_tools_install_cmd)
error_context.context("Execute cmd in guest", logging.info)
cmd = "dmesg -c > /dev/null"
session.cmd(cmd)
date_cmd = "strace date 2>&1 | egrep 'clock_gettime|gettimeofday' | wc -l"
output = session.cmd(date_cmd)
if '0' not in output:
test.fail("Test failed before run msr tools. Output: '%s'" % output)
msr_tools_cmd = params["msr_tools_cmd"]
session.cmd(msr_tools_cmd)
cmd = "dmesg"
session.cmd(cmd)
output = session.cmd(date_cmd)
if "1" not in output:
test.fail("Test failed after run msr tools. Output: '%s'" % output)
def execute(cmd, timeout=360, session=None):
"""
Execute command in guest or host, if session is not None return
command output in guest else return command ouput in host
:param cmd: Shell commands
:param timeout: Timeout to execute command
:param session: ShellSession or None
:return: Command output string
"""
if session:
ret = session.cmd_output_safe(cmd, timeout=timeout)
else:
ret = process.getoutput(cmd)
target = 'guest' if session else 'host'
logging.debug("(%s) Execute command('%s')" % (target, cmd))
return ret
def netcf_trans_control(test, command="status"):
"""
Control current network configuration
:param: command: it may be 'status', 'snapshot-dir', restart,
change-begin, etc, Note that is the netcf-libs is required
:returns: return command result
"""
try:
# For OS using systemd, this command usually located in /usr/libexec/.
cmd = utils_path.find_command("netcf-transaction.sh")
except utils_path.CmdNotFoundError:
# This is the default location for sysV init.
old_path = "/etc/rc.d/init.d/netcf-transaction"
if os.path.isfile(old_path):
cmd = old_path
else:
test.cancel("Cannot find netcf-transaction! "
"Make sure you have netcf-libs installed!")
logging.debug(cmd)
return process.getoutput("%s %s" % (cmd, command), shell=True)
def check_snap_in_image(vm_name, snap_name):
"""
check the snapshot info in image
:params: vm_name: VM name
:params: snap_name: Snapshot name
"""
domxml = virsh.dumpxml(vm_name).stdout.strip()
xtf_dom = xml_utils.XMLTreeFile(domxml)
# Check whether qemu-img need add -U suboption since locking feature was added afterwards qemu-2.10
qemu_img_locking_feature_support = libvirt_storage.check_qemu_image_lock_support()
cmd = "qemu-img info " + xtf_dom.find("devices/disk/source").get("file")
if qemu_img_locking_feature_support:
cmd = "qemu-img info -U " + xtf_dom.find("devices/disk/source").get("file")
img_info = process.getoutput(cmd).strip()
if re.search(snap_name, img_info):
logging.info("Find snapshot info in image")
return True
else:
return False
def run(test, params, env):
"""
Test virsh create command including parameters except --pass-fds
because it is used in lxc.
Basic test scenarios:
1. --console with all combination(with other options)
2. --autodestroy with left combination
3. --paused itself
"""
vm_name = params.get("main_vm")
options = params.get("create_options", "")
status_error = ("yes" == params.get("status_error", "no"))
c_user = params.get("create_login_user", "root")
readonly = params.get("readonly", False)
if c_user == "root":
c_passwd = params.get("password")
else:
c_passwd = params.get("create_login_password_nonroot")
vm = env.get_vm(vm_name)
if vm.exists():
if vm.is_alive():
vm.destroy()
xmlfile = vm.backup_xml()
vm.undefine()
else:
xmlfile = params.get("create_domain_xmlfile")
if xmlfile is None:
test.fail("Please provide domain xml file for create or"
" existing domain name with main_vm = xx")
#get vm name from xml file
xml_cut = process.getoutput("grep '<name>.*</name>' %s" % xmlfile, shell=True)
vm_name = xml_cut.strip(' <>').strip("name").strip("<>/")
logging.debug("vm_name is %s", vm_name)
vm = env.get_vm(vm_name)
try:
def create_status_check(vm):
"""
check guest status
1. if have options --paused: check status and resume
2. check if guest is running after 1
"""
if "--paused" in options:
# make sure guest is paused
ret = utils_misc.wait_for(lambda: vm.is_paused(), 30)
if not ret:
test.fail("Guest status is not paused with"
"options %s, state is %s" %
(options, vm.state()))
else:
logging.info("Guest status is paused.")
vm.resume()
# make sure guest is running
ret = utils_misc.wait_for(lambda: vm.state() == "running", 30)
if ret:
logging.info("Guest is running now.")
else:
test.fail("Fail to create guest, guest state is %s"
% vm.state())
def create_autodestroy_check(vm):
"""
check if guest will disappear with --autodestroy
"""
# make sure guest is auto destroyed
ret = utils_misc.wait_for(lambda: not vm.exists(), 30)
if not ret:
test.fail("Guest still exist with options %s" %
options)
else:
logging.info("Guest does not exist after session closed.")
try:
if status_error:
output = virsh.create(xmlfile, options, readonly=readonly)
if output.exit_status:
logging.info("Fail to create guest as expect:%s",
output.stderr)
if vm.state() == "running":
test.fail("Expect fail, but succeed indeed")
elif "--console" in options:
# Use session for console
command = "virsh create %s %s" % (xmlfile, options)
session = aexpect.ShellSession(command)
# check domain status including paused and running
create_status_check(vm)
status = utils_test.libvirt.verify_virsh_console(
session, c_user, c_passwd, timeout=90, debug=True)
if not status:
test.fail("Fail to verify console")
session.close()
# check if domain exist after session closed
if "--autodestroy" in options:
create_autodestroy_check(vm)
elif "--autodestroy" in options:
# Use session for virsh interactive mode because
# guest will be destroyed after virsh exit
command = "virsh"
session = aexpect.ShellSession(command)
while True:
match, text = session.read_until_any_line_matches(
[r"Domain \S+ created from %s" % xmlfile, r"virsh # "],
timeout=10, internal_timeout=1)
if match == -1:
logging.info("Run create %s %s", xmlfile, options)
command = "create %s %s" % (xmlfile, options)
session.sendline(command)
elif match == -2:
logging.info("Domain created from %s", xmlfile)
break
create_status_check(vm)
logging.info("Close session!")
session.close()
# check if domain exist after session closed
create_autodestroy_check(vm)
else:
# have --paused option or none options
output = virsh.create(xmlfile, options)
if output.exit_status:
test.fail("Fail to create domain:%s" %
output.stderr)
create_status_check(vm)
except (aexpect.ShellError, aexpect.ExpectError) as detail:
log = session.get_output()
session.close()
vm.define(xmlfile)
test.fail("Verify create failed:\n%s\n%s" %
(detail, log))
finally:
#Guest recovery
vm.define(xmlfile)
def run(test, params, env):
"""
Virsh create test with --pass-fds for container
"""
fds_options = params.get("create_lxc_fds_options", "")
other_options = params.get("create_lxc_other_options", "")
uri = params.get("connect_uri", "lxc:///")
vm_name = params.get("vms")
vcpu = params.get("create_lxc_vcpu", 1)
max_mem = params.get("create_lxc_maxmem", 500000)
cur_mem = params.get("create_lxc_curmem", 500000)
dom_type = params.get("create_lxc_domtype", "lxc")
os_type = params.get("create_lxc_ostype", "exe")
os_arch = params.get("create_lxc_osarch", "x86_64")
os_init = params.get("create_lxc_osinit", "/bin/sh")
emulator_path = params.get("create_lxc_emulator",
"/usr/libexec/libvirt_lxc")
tmpfile1 = params.get("create_lxc_tmpfile1", "/tmp/foo")
tmpfile2 = params.get("create_lxc_tmpfile2", "/tmp/bar")
tmpfile3 = params.get("create_lxc_tmpfile3", "/tmp/wizz")
def container_xml_generator():
"""
Generate container xml
"""
vmxml = vm_xml.VMXML(dom_type)
vmxml.vm_name = vm_name
vmxml.max_mem = max_mem
vmxml.current_mem = cur_mem
vmxml.vcpu = vcpu
osxml = vmxml.os
osxml.type = os_type
osxml.arch = os_arch
osxml.init = os_init
vmxml.os = osxml
# Generate emulator
emulator = Emulator()
emulator.path = emulator_path
# Generate console
console = Console()
# Add emulator and console in devices
devices = vm_xml.VMXMLDevices()
devices.append(emulator)
devices.append(console)
logging.debug("device is %s", devices)
vmxml.set_devices(devices)
return vmxml
fd1 = open(tmpfile1, 'w')
fd2 = open(tmpfile2, 'w')
fd3 = open(tmpfile3, 'w')
try:
options = "%s %s,%s,%s %s" % (fds_options, fd1.fileno(), fd2.fileno(),
fd3.fileno(), other_options)
vmxml = container_xml_generator()
logging.debug("xml is %s", process.getoutput("cat %s" % vmxml.xml))
if "--console" not in options:
output = virsh.create(vmxml.xml, options, uri=uri)
if output.exit_status:
test.fail("Create %s domain failed:%s" %
(dom_type, output.stderr))
logging.info("Domain %s created, will check with console", vm_name)
command = "virsh -c %s console %s" % (uri, vm_name)
else:
command = "virsh -c %s create %s %s" % (uri, vmxml.xml, options)
session = aexpect.ShellSession(command)
time.sleep(2)
for i in (tmpfile1, tmpfile2, tmpfile3):
lsofcmd = "lsof|grep '^sh.*%s'" % i
cmd_status, cmd_output = session.cmd_status_output(lsofcmd)
if cmd_status != 0:
test.fail("Can not find file %s in container" % i)
else:
logging.info("Find open file in guest: %s", cmd_output)
session.close()
vm = env.get_vm(vm_name)
if "--autodestroy" in options:
if vm.is_alive():
test.fail("Guest still exist after close session "
"with option --autodestroy")
logging.info("Guest already destroyed after session closed")
elif not vm.is_alive():
test.fail("Guest is not running after close session!")
else:
logging.info("Guest still exist after session closed")
finally:
fd1.close()
fd2.close()
fd3.close()
os.remove(tmpfile1)
os.remove(tmpfile2)
os.remove(tmpfile3)
def run(test, params, env):
"""
Timer device check clock frequency offset using chrony on CPU starved guest:
1) Check for an appropriate clocksource on host.
2) Boot the guest.
3) Copy time-warp-test.c to guest.
4) Compile the time-warp-test.c.
5) Stop chronyd and apply load on guest.
6) Pin every vcpu to a physical cpu.
7) Verify each vcpu is pinned on host.
8) Run time-warp-test on guest.
9) Start chronyd on guest.
10) Check the drift in /var/lib/chrony/drift file on guest after hours
of running.
:param test: QEMU test object.
:param params: Dictionary with test parameters.
:param env: Dictionary with the test environment.
"""
def _drift_file_exist():
try:
session.cmd("test -f /var/lib/chrony/drift")
return True
except Exception:
return False
error_context.context("Check for an appropriate clocksource on host",
logging.info)
host_cmd = "cat /sys/devices/system/clocksource/"
host_cmd += "clocksource0/current_clocksource"
if "tsc" not in process.getoutput(host_cmd):
test.cancel("Host must use 'tsc' clocksource")
error_context.context("Boot the guest", logging.info)
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = int(params.get("login_timeout", 360))
sess_guest_load = vm.wait_for_login(timeout=timeout)
error_context.context("Copy time-warp-test.c to guest", logging.info)
src_file_name = os.path.join(data_dir.get_deps_dir(), "tsc_sync",
"time-warp-test.c")
vm.copy_files_to(src_file_name, "/tmp")
error_context.context("Compile the time-warp-test.c", logging.info)
cmd = "cd /tmp/;"
cmd += " yum install -y popt-devel;"
cmd += " rm -f time-warp-test;"
cmd += " gcc -Wall -o time-warp-test time-warp-test.c -lrt"
sess_guest_load.cmd(cmd)
error_context.context("Stop chronyd and apply load on guest", logging.info)
sess_guest_load.cmd("systemctl stop chronyd")
load_cmd = "for ((I=0; I<`grep 'processor id' /proc/cpuinfo| wc -l`; I++));"
load_cmd += " do taskset $(( 1 << $I )) /bin/bash -c 'for ((;;)); do X=1; done &';"
load_cmd += " done"
sess_guest_load.cmd(load_cmd)
error_context.context("Pin every vcpu to a physical cpu", logging.info)
host_cpu_cnt_cmd = params["host_cpu_cnt_cmd"]
host_cpu_num = process.system_output(host_cpu_cnt_cmd, shell=True).strip()
host_cpu_list = (_ for _ in range(int(host_cpu_num)))
cpu_pin_list = list(zip(vm.vcpu_threads, host_cpu_list))
if len(cpu_pin_list) < len(vm.vcpu_threads):
test.cancel("There isn't enough physical cpu to pin all the vcpus")
for vcpu, pcpu in cpu_pin_list:
process.system("taskset -p %s %s" % (1 << pcpu, vcpu))
error_context.context("Verify each vcpu is pinned on host", logging.info)
error_context.context("Run time-warp-test", logging.info)
session = vm.wait_for_login(timeout=timeout)
cmd = "/tmp/time-warp-test > /dev/null &"
session.cmd(cmd)
error_context.context("Start chronyd on guest", logging.info)
cmd = "systemctl start chronyd; sleep 1; echo"
session.cmd(cmd)
error_context.context("Check if the drift file exists on guest",
logging.info)
test_run_timeout = float(params["test_run_timeout"])
try:
utils_misc.wait_for(_drift_file_exist, test_run_timeout, step=5)
except aexpect.ShellCmdError as detail:
test.error("Failed to wait for the creation of"
" /var/lib/chronyd/drift file. Detail: '%s'" % detail)
error_context.context("Verify the drift file content on guest",
logging.info)
output = session.cmd("cat /var/lib/chrony/drift").strip().split()[0]
if int(abs(float(output))) > 20:
test.fail("Failed to check the chrony drift. Output: '%s'" % output)
def run(test, params, env):
"""
Test the RX jumbo frame function of vnics:
1) Boot the VM.
2) Change the MTU of guest nics and host taps depending on the NIC model.
3) Add the static ARP entry for guest NIC.
4) Wait for the MTU ok.
5) Verify the path MTU using ping.
6) Ping the guest with large frames.
7) Increment size ping.
8) Flood ping the guest with large frames.
9) Verify the path MTU.
10) Recover the MTU.
:param test: QEMU test object.
:param params: Dictionary with the test parameters.
:param env: Dictionary with test environment.
"""
def get_ovs_ports(ovs):
'''
get the ovs bridge all Interface list.
:param ovs: Ovs bridge name
'''
cmd = "ovs-vsctl list-ports %s" % ovs
return process.getoutput(cmd, shell=True)
netdst = params.get("netdst", "switch")
host_bridges = utils_net.find_bridge_manager(netdst)
if not isinstance(host_bridges, utils_net.Bridge):
ovs = host_bridges
host_hw_interface = get_ovs_ports(netdst)
tmp_ports = re.findall(r"t[0-9]{1,}-[a-zA-Z0-9]{6}", host_hw_interface)
if tmp_ports:
for p in tmp_ports:
process.system_output("ovs-vsctl del-port %s %s" %
(netdst, p))
params["start_vm"] = "yes"
env_process.preprocess_vm(test, params, env, params["main_vm"])
timeout = int(params.get("login_timeout", 360))
mtu_default = 1500
mtu = params.get("mtu", "1500")
def_max_icmp_size = int(mtu) - 28
max_icmp_pkt_size = int(params.get("max_icmp_pkt_size",
def_max_icmp_size))
flood_time = params.get("flood_time", "300")
os_type = params.get("os_type")
os_variant = params.get("os_variant")
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
session = vm.wait_for_login(timeout=timeout)
session_serial = vm.wait_for_serial_login(timeout=timeout)
ifname = vm.get_ifname(0)
guest_ip = vm.get_address(0)
if guest_ip is None:
test.error("Could not get the guest ip address")
host_mtu_cmd = "ifconfig %s mtu %s"
if not isinstance(host_bridges, utils_net.Bridge):
target_ifaces = set(get_ovs_ports(netdst).splitlines())
else:
br_in_use = host_bridges.list_br()
ifaces_in_use = host_bridges.list_iface()
target_ifaces = set(ifaces_in_use) - set(br_in_use)
error_context.context("Change all Bridge NICs MTU to %s" %
mtu, logging.info)
for iface in target_ifaces:
process.run(host_mtu_cmd % (iface, mtu), shell=True)
try:
error_context.context("Changing the MTU of guest", logging.info)
# Environment preparation
mac = vm.get_mac_address(0)
if os_type == "linux":
ethname = utils_net.get_linux_ifname(session, mac)
guest_mtu_cmd = "ifconfig %s mtu %s" % (ethname, mtu)
else:
connection_id = utils_net.get_windows_nic_attribute(
session, "macaddress", mac, "netconnectionid")
index = utils_net.get_windows_nic_attribute(
session, "netconnectionid", connection_id, "index")
if os_variant == "winxp":
pnpdevice_id = utils_net.get_windows_nic_attribute(
session, "netconnectionid", connection_id, "pnpdeviceid")
cd_num = utils_misc.get_winutils_vol(session)
copy_cmd = r"xcopy %s:\devcon\wxp_x86\devcon.exe c:\ " % cd_num
session.cmd(copy_cmd)
reg_set_mtu_pattern = params.get("reg_mtu_cmd")
mtu_key_word = params.get("mtu_key", "MTU")
reg_set_mtu = reg_set_mtu_pattern % (int(index), mtu_key_word,
int(mtu))
guest_mtu_cmd = "%s " % reg_set_mtu
session.cmd(guest_mtu_cmd)
if os_type == "windows":
mode = "netsh"
if os_variant == "winxp":
connection_id = pnpdevice_id.split("&")[-1]
mode = "devcon"
utils_net.restart_windows_guest_network(session_serial,
connection_id,
mode=mode)
error_context.context("Chaning the MTU of host tap ...", logging.info)
host_mtu_cmd = "ifconfig %s mtu %s"
# Before change macvtap mtu, must set the base interface mtu
if params.get("nettype") == "macvtap":
base_if = utils_net.get_macvtap_base_iface(params.get("netdst"))
process.run(host_mtu_cmd % (base_if, mtu), shell=True)
process.run(host_mtu_cmd % (ifname, mtu), shell=True)
error_context.context("Add a temporary static ARP entry ...",
logging.info)
arp_add_cmd = "arp -s %s %s -i %s" % (guest_ip, mac, ifname)
process.run(arp_add_cmd, shell=True)
def is_mtu_ok():
status, _ = utils_test.ping(guest_ip, 1,
packetsize=max_icmp_pkt_size,
hint="do", timeout=2)
return status == 0
def verify_mtu():
logging.info("Verify the path MTU")
status, output = utils_test.ping(guest_ip, 10,
packetsize=max_icmp_pkt_size,
hint="do", timeout=15)
if status != 0:
logging.error(output)
test.fail("Path MTU is not as expected")
if utils_test.get_loss_ratio(output) != 0:
logging.error(output)
test.fail("Packet loss ratio during MTU "
"verification is not zero")
def flood_ping():
logging.info("Flood with large frames")
utils_test.ping(guest_ip,
packetsize=max_icmp_pkt_size,
flood=True, timeout=float(flood_time))
def large_frame_ping(count=100):
logging.info("Large frame ping")
_, output = utils_test.ping(guest_ip, count,
packetsize=max_icmp_pkt_size,
timeout=float(count) * 2)
ratio = utils_test.get_loss_ratio(output)
if ratio != 0:
test.fail("Loss ratio of large frame ping is %s" % ratio)
def size_increase_ping(step=random.randrange(90, 110)):
logging.info("Size increase ping")
for size in range(0, max_icmp_pkt_size + 1, step):
logging.info("Ping %s with size %s", guest_ip, size)
status, output = utils_test.ping(guest_ip, 1,
packetsize=size,
hint="do", timeout=1)
if status != 0:
status, output = utils_test.ping(guest_ip, 10,
packetsize=size,
adaptive=True,
hint="do",
timeout=20)
fail_ratio = int(params.get("fail_ratio", 50))
if utils_test.get_loss_ratio(output) > fail_ratio:
test.fail("Ping loss ratio is greater "
"than 50% for size %s" % size)
logging.info("Waiting for the MTU to be OK")
wait_mtu_ok = 10
if not utils_misc.wait_for(is_mtu_ok, wait_mtu_ok, 0, 1):
logging.debug(process.getoutput("ifconfig -a",
verbose=False,
ignore_status=True,
shell=True))
test.error("MTU is not as expected even after %s "
"seconds" % wait_mtu_ok)
# Functional Test
error_context.context("Checking whether MTU change is ok",
logging.info)
verify_mtu()
large_frame_ping()
size_increase_ping()
# Stress test
flood_ping()
verify_mtu()
finally:
# Environment clean
if session:
session.close()
grep_cmd = "grep '%s.*%s' /proc/net/arp" % (guest_ip, ifname)
if process.system(grep_cmd, shell=True) == '0':
process.run("arp -d %s -i %s" % (guest_ip, ifname),
shell=True)
logging.info("Removing the temporary ARP entry successfully")
logging.info("Change back Bridge NICs MTU to %s" % mtu_default)
for iface in target_ifaces:
process.run(host_mtu_cmd % (iface, mtu_default), shell=True)
def run(test, params, env):
"""
Timer device check TSC synchronity after change host clocksource:
1) Check for an appropriate clocksource on host.
2) Boot the guest.
3) Check the guest is using vsyscall.
4) Copy time-warp-test.c to guest.
5) Compile the time-warp-test.c.
6) Switch host to hpet clocksource.
6) Run time-warp-test.
7) Check the guest is not using vsyscall.
:param test: QEMU test object.
:param params: Dictionary with test parameters.
:param env: Dictionary with the test environment.
"""
error_context.context("Check for an appropriate clocksource on host",
logging.info)
host_cmd = "cat /sys/devices/system/clocksource/"
host_cmd += "clocksource0/current_clocksource"
if "tsc" not in process.getoutput(host_cmd):
test.cancel("Host must use 'tsc' clocksource")
error_context.context("Boot the guest with one cpu socket", logging.info)
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = int(params.get("login_timeout", 360))
session = vm.wait_for_login(timeout=timeout)
error_context.context("Check the guest is using vsyscall", logging.info)
date_cmd = "strace date 2>&1|egrep 'clock_gettime|gettimeofday'|wc -l"
output = session.cmd(date_cmd)
if '0' not in output:
test.fail("Failed to check vsyscall. Output: '%s'" % output)
error_context.context("Copy time-warp-test.c to guest", logging.info)
src_file_name = os.path.join(data_dir.get_deps_dir(), "tsc_sync",
"time-warp-test.c")
vm.copy_files_to(src_file_name, "/tmp")
error_context.context("Compile the time-warp-test.c", logging.info)
cmd = "cd /tmp/;"
cmd += " yum install -y popt-devel;"
cmd += " rm -f time-warp-test;"
cmd += " gcc -Wall -o time-warp-test time-warp-test.c -lrt"
session.cmd(cmd)
error_context.context("Run time-warp-test", logging.info)
test_run_timeout = int(params.get("test_run_timeout", 10))
session.sendline("$(sleep %d; pkill time-warp-test) &" % test_run_timeout)
cmd = "/tmp/time-warp-test"
output = session.cmd_status_output(cmd, timeout=(test_run_timeout + 60))[1]
re_str = r"fail:(\d+).*?fail:(\d+).*fail:(\d+)"
fail_cnt = re.findall(re_str, output)
if not fail_cnt:
test.error("Could not get correct test output. Output: '%s'" % output)
tsc_cnt, tod_cnt, clk_cnt = [int(_) for _ in fail_cnt[-1]]
if tsc_cnt or tod_cnt or clk_cnt:
msg = output.splitlines()[-5:]
test.fail("Get error when running time-warp-test."
" Output (last 5 lines): '%s'" % msg)
try:
error_context.context("Switch host to hpet clocksource", logging.info)
cmd = "echo hpet > /sys/devices/system/clocksource/"
cmd += "clocksource0/current_clocksource"
process.system(cmd, shell=True)
error_context.context("Run time-warp-test after change the host"
" clock source", logging.info)
cmd = "$(sleep %d; pkill time-warp-test) &"
session.sendline(cmd % test_run_timeout)
cmd = "/tmp/time-warp-test"
output = session.cmd_status_output(cmd,
timeout=(test_run_timeout + 60))[1]
fail_cnt = re.findall(re_str, output)
if not fail_cnt:
test.error("Could not get correct test output."
" Output: '%s'" % output)
tsc_cnt, tod_cnt, clk_cnt = [int(_) for _ in fail_cnt[-1]]
if tsc_cnt or tod_cnt or clk_cnt:
msg = output.splitlines()[-5:]
test.fail("Get error when running time-warp-test."
" Output (last 5 lines): '%s'" % msg)
output = session.cmd(date_cmd)
if "1" not in output:
test.fail("Failed to check vsyscall. Output: '%s'" % output)
finally:
error_context.context("Restore host to tsc clocksource", logging.info)
cmd = "echo tsc > /sys/devices/system/clocksource/"
cmd += "clocksource0/current_clocksource"
try:
process.system(cmd, shell=True)
except Exception as detail:
logging.error("Failed to restore host clocksource."
"Detail: %s" % detail)
def run(test, params, env):
"""
Timer device check TSC synchronity for long time test:
1) Check for an appropriate clocksource on host.
2) Check host has more than one cpu socket.
3) Boot the guest with specified cpu socket.
4) Copy time-warp-test.c to guest.
5) Compile the time-warp-test.c.
6) Run time-warp-test for minimum 4 hours.
:param test: QEMU test object.
:param params: Dictionary with test parameters.
:param env: Dictionary with the test environment.
"""
error_context.context("Check for an appropriate clocksource on host",
logging.info)
host_cmd = "cat /sys/devices/system/clocksource/"
host_cmd += "clocksource0/current_clocksource"
if "tsc" not in process.getoutput(host_cmd):
test.cancel("Host must use 'tsc' clocksource")
error_context.context("Check host has more than one cpu socket",
logging.info)
host_socket_cnt_cmd = params["host_socket_cnt_cmd"]
if process.system_output(host_socket_cnt_cmd, shell=True).strip() == "1":
test.cancel("Host must have more than 1 socket")
error_context.context("Boot the guest with one cpu socket", logging.info)
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = int(params.get("login_timeout", 360))
session = vm.wait_for_login(timeout=timeout)
error_context.context("Copy time-warp-test.c to guest", logging.info)
src_file_name = os.path.join(data_dir.get_deps_dir(), "tsc_sync",
"time-warp-test.c")
vm.copy_files_to(src_file_name, "/tmp")
error_context.context("Compile the time-warp-test.c", logging.info)
cmd = "cd /tmp/;"
cmd += " yum install -y popt-devel;"
cmd += " rm -f time-warp-test;"
cmd += " gcc -Wall -o time-warp-test time-warp-test.c -lrt"
session.cmd(cmd)
error_context.context("Run time-warp-test for minimum 4 hours",
logging.info)
test_run_timeout = int(params.get("test_run_timeout", 14400))
session.sendline("$(sleep %d; pkill time-warp-test) &" % test_run_timeout)
cmd = "/tmp/time-warp-test"
output = session.cmd_status_output(cmd, timeout=(test_run_timeout + 60))[1]
re_str = r"fail:(\d+).*?fail:(\d+).*fail:(\d+)"
fail_cnt = re.findall(re_str, output)
if not fail_cnt:
test.error("Could not get correct test output. Output: '%s'" % output)
tsc_cnt, tod_cnt, clk_cnt = [int(_) for _ in fail_cnt[-1]]
if tsc_cnt or tod_cnt or clk_cnt:
msg = output.splitlines()[-5:]
test.fail("Get error when running time-warp-test."
" Output (last 5 lines): '%s'" % msg)
def run(test, params, env):
"""
Test virsh reset command
"""
if not virsh.has_help_command('reset'):
test.cancel("This version of libvirt does not support "
"the reset test")
vm_name = params.get("main_vm", "avocado-vt-vm1")
vm_ref = params.get("reset_vm_ref")
readonly = params.get("readonly", False)
status_error = ("yes" == params.get("status_error", "no"))
start_vm = ("yes" == params.get("start_vm"))
vm = env.get_vm(vm_name)
domid = vm.get_id()
domuuid = vm.get_uuid()
bef_pid = process.getoutput("pidof -s qemu-kvm")
if vm_ref == 'id':
vm_ref = domid
elif vm_ref == 'uuid':
vm_ref = domuuid
else:
vm_ref = vm_name
uri = params.get("virsh_uri")
unprivileged_user = params.get('unprivileged_user')
if unprivileged_user:
if unprivileged_user.count('EXAMPLE'):
unprivileged_user = '******'
if not libvirt_version.version_compare(1, 1, 1):
if params.get('setup_libvirt_polkit') == 'yes':
test.cancel("API acl test not supported in current"
" libvirt version.")
# change the disk cache to default
vmxml_backup = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
def change_cache(vmxml, mode):
"""
Change the cache mode
:param vmxml: instance of VMXML
:param mode: cache mode you want to change
"""
devices = vmxml.devices
disk_index = devices.index(devices.by_device_tag('disk')[0])
disk = devices[disk_index]
disk_driver = disk.driver
disk_driver['cache'] = mode
disk.driver = disk_driver
vmxml.devices = devices
vmxml.define()
try:
change_cache(vmxml_backup.copy(), "default")
tmpfile = "/home/%s" % utils_misc.generate_random_string(6)
logging.debug("tmpfile is %s", tmpfile)
if start_vm:
session = vm.wait_for_login()
session.cmd("rm -rf %s && sync" % tmpfile)
status = session.get_command_status("touch %s && ls %s" %
(tmpfile, tmpfile))
if status == 0:
logging.info("Succeed generate file %s", tmpfile)
else:
test.fail("Touch command failed!")
# record the pid before reset for compare
output = virsh.reset(vm_ref, readonly=readonly,
unprivileged_user=unprivileged_user,
uri=uri, ignore_status=True, debug=True)
if output.exit_status != 0:
if status_error:
logging.info("Failed to reset guest as expected, Error:%s.",
output.stderr)
return
else:
test.fail("Failed to reset guest, Error:%s." %
output.stderr)
elif status_error:
test.fail("Expect fail, but succeed indeed.")
session.close()
time.sleep(5)
session = vm.wait_for_login()
status = session.get_command_status("ls %s" % tmpfile)
if status == 0:
test.fail("Fail to reset guest, tmpfile still exist!")
else:
aft_pid = process.getoutput("pidof -s qemu-kvm")
if bef_pid == aft_pid:
logging.info("Succeed to check reset, tmpfile is removed.")
else:
test.fail("Domain pid changed after reset!")
session.close()
finally:
vmxml_backup.sync()
