def run(test, params, env):
"""
Kill libvirt daemon with different signals and check
whether daemon restart properly and leaving no pid file
if stopped.
"""
def get_pid(libvirtd):
"""
Get the pid of libvirt daemon process.
"""
pid = int(open(pid_file).read())
return pid
def send_signal(pid, signal_name):
"""
Send signal to a process by pid.
"""
signal_num = getattr(signal, signal_name)
os.kill(pid, signal_num)
def start_mark(src_file, dest_file):
"""
Copy the src_file to a tmp file
:param src_file: The file should be checked.
:param dest_file: The temp file to mark the time point.
"""
# Clean the dest file if existed
if os.path.exists(dest_file):
os.remove(dest_file)
cmdline = 'cp %s %s' % \
(src_file, dest_file)
process.run(cmdline, shell=True)
pid_file = '/var/run/libvirtd.pid'
message_src_file = '/var/log/messages'
message_dest_file = '/tmp/messages_tmp'
signal_name = params.get("signal", "SIGTERM")
should_restart = params.get("expect_restart", "yes") == "yes"
pid_should_change = params.get("expect_pid_change", "yes") == "yes"
sysconfig = params.get("sysconfig", None)
check_dmesg = params.get("check_dmesg", None)
libvirtd = Libvirtd()
try:
libvirtd.start()
if sysconfig:
config = utils_config.LibvirtdSysConfig()
setattr(config, sysconfig.split('=')[0], sysconfig.split('=')[1])
libvirtd.restart()
if check_dmesg:
start_mark(message_src_file, message_dest_file)
pid = get_pid(libvirtd)
logging.debug("Pid of libvirtd is %d" % pid)
logging.debug("Killing process %s with %s" % (pid, signal_name))
send_signal(pid, signal_name)
# Wait for libvirtd to restart or reload
time.sleep(1)
if libvirtd.is_running():
if not should_restart:
test.fail("libvirtd should stop running after signal %s" %
signal_name)
new_pid = get_pid(libvirtd)
logging.debug("New pid of libvirtd is %d" % new_pid)
if pid == new_pid and pid_should_change:
test.fail("Pid should have been changed.")
if pid != new_pid and not pid_should_change:
test.fail("Pid should not have been changed.")
else:
if should_restart:
test.fail("libvirtd should still running after signal %s" %
signal_name)
if check_dmesg:
cmdline = 'diff %s %s' % \
(message_src_file, message_dest_file)
res = process.run(cmdline, shell=True,
ignore_status=True).stdout_text
if check_dmesg not in res:
test.fail('%s should in %s , but not now' %
(check_dmesg, message_src_file))
finally:
if not libvirtd.is_running():
if os.path.exists(pid_file):
os.remove(pid_file)
libvirtd.start()
test.fail("Pid file should not reside")
libvirtd.start()
if sysconfig:
config.restore()
libvirtd.restart()
def run(test, params, env):
"""
Test libvirtd_config parameter in /etc/sysconfig/libvirtd.
1) Change libvirtd_config in sysconfig;
2) Change host_uuid in newly defined libvirtd.conf file;
3) Restart libvirt daemon;
4) Check if libvirtd successfully started;
5) Check if host_uuid updated accordingly;
"""
def get_init_name():
"""
Internal function to determine what executable is PID 1,
:return: executable name for PID 1, aka init
"""
fp = open('/proc/1/comm')
name = fp.read().strip()
fp.close()
return name
libvirtd_config = params.get('libvirtd_config', 'not_set')
expected_result = params.get('expected_result', 'success')
if get_init_name() == 'systemd':
logging.info('Init process is systemd, '
'LIBVIRTD_CONFIG should not working.')
expected_result = 'unchanged'
sysconfig = utils_config.LibvirtdSysConfig()
libvirtd = utils_libvirtd.Libvirtd()
config_path = ""
check_uuid = '13371337-1337-1337-1337-133713371337'
try:
if libvirtd_config == 'not_set':
del sysconfig.LIBVIRTD_CONFIG
elif libvirtd_config == 'exist_file':
config_path = os.path.join(data_dir.get_tmp_dir(), 'test.conf')
open(config_path, 'a').close()
config = utils_config.LibvirtdConfig(config_path)
config.host_uuid = check_uuid
sysconfig.LIBVIRTD_CONFIG = config_path
else:
sysconfig.LIBVIRTD_CONFIG = libvirtd_config
if not libvirtd.restart():
if expected_result != 'unbootable':
raise error.TestFail('Libvirtd is expected to be started '
'with LIBVIRTD_CONFIG = '
'%s' % sysconfig.LIBVIRTD_CONFIG)
if expected_result == 'unbootable':
raise error.TestFail('Libvirtd is not expected to be started '
'with LIBVIRTD_CONFIG = '
'%s' % sysconfig.LIBVIRTD_CONFIG)
cur_uuid = capability_xml.CapabilityXML()['uuid']
if cur_uuid == check_uuid:
if expected_result == 'unchange':
raise error.TestFail('Expected host UUID is not changed, '
'but got %s' % cur_uuid)
else:
if expected_result == 'change':
raise error.TestFail('Expected host UUID is %s, but got %s' %
(check_uuid, cur_uuid))
finally:
if libvirtd_config == 'exist_file':
config.restore()
if os.path.isfile(config_path):
os.remove(config_path)
sysconfig.restore()
libvirtd.restart()