def module_is_loaded(module_name):
module_name = module_name.replace('-', '_')
modules = utils.system_output('/sbin/lsmod').splitlines()
for module in modules:
if module.startswith(module_name) and module[len(module_name)] == ' ':
return True
return False
def get_services():
if os.path.exists("/usr/lib/systemd"):
try:
output = utils.system_output(
"systemctl -t service list-unit-files|grep enabled|awk '{print $1}'"
)
return ",".join(output.split())
except Exception:
return "N/A"
else:
try:
output = utils.system_output(
"chkconfig --list|grep -E '(5:启用|5:on)'|awk '{print $1}'")
return ",".join(output.split())
except Exception:
return "N/A"
def get_cpu_family():
procinfo = utils.system_output('cat /proc/cpuinfo')
CPU_FAMILY_RE = re.compile(r'^cpu family\s+:\s+(\S+)', re.M)
matches = CPU_FAMILY_RE.findall(procinfo)
if matches:
return int(matches[0])
else:
raise error.TestError('Could not get valid cpu family data')
def get_RootFilesystem():
'''return
Filesystem Type Size Used Avail Use% Mounted on
'''
try:
output = utils.system_output('df -lhT|grep "/$"')
return tuple(output.split())
except Exception:
return ("N/A", "N/A", "N/A", "N/A", "N/A", "N/A", "N/A")
def check_for_kernel_feature(feature):
config = running_config()
if not config:
raise TypeError("Can't find kernel config file")
if magic.guess_type(config) == 'application/x-gzip':
grep = 'zgrep'
else:
grep = 'grep'
grep += ' ^CONFIG_%s= %s' % (feature, config)
if not utils.system_output(grep, ignore_status=True):
raise ValueError("Kernel doesn't have a %s feature" % (feature))
def get_hwclock_seconds(utc=True):
"""
Return the hardware clock in seconds as a floating point value.
Use Coordinated Universal Time if utc is True, local time otherwise.
Raise a ValueError if unable to read the hardware clock.
"""
cmd = '/sbin/hwclock --debug'
if utc:
cmd += ' --utc'
hwclock_output = utils.system_output(cmd, ignore_status=True)
match = re.search(r'= ([0-9]+) seconds since .+ (-?[0-9.]+) seconds$',
hwclock_output, re.DOTALL)
if match:
seconds = int(match.group(1)) + float(match.group(2))
logging.debug('hwclock seconds = %f' % seconds)
return seconds
raise ValueError('Unable to read the hardware clock -- ' + hwclock_output)
def unload_module(module_name):
"""
Removes a module. Handles dependencies. If even then it's not possible
to remove one of the modules, it will trhow an error.CmdError exception.
:param module_name: Name of the module we want to remove.
"""
l_raw = utils.system_output("/sbin/lsmod").splitlines()
lsmod = [x for x in l_raw if x.split()[0] == module_name]
if len(lsmod) > 0:
line_parts = lsmod[0].split()
if len(line_parts) == 4:
submodules = line_parts[3].split(",")
for submodule in submodules:
unload_module(submodule)
utils.system("/sbin/modprobe -r %s" % module_name)
logging.info("Module %s unloaded" % module_name)
else:
logging.info("Module %s is already unloaded" % module_name)
def get_loaded_modules():
lsmod_output = utils.system_output('/sbin/lsmod').splitlines()[1:]
return [line.split(None, 1)[0] for line in lsmod_output]
def get_disks():
df_output = utils.system_output('df')
disk_re = re.compile(r'^(/dev/hd[a-z]+)3', re.M)
return disk_re.findall(df_output)
