def configure():
"""
Set up the multipath daemon configuration to the known and
supported state. The original configuration, if any, is saved
"""
if os.path.exists(_CONF_FILE):
backup = _CONF_FILE + '.' + time.strftime("%Y%m%d%H%M")
shutil.copyfile(_CONF_FILE, backup)
sys.stdout.write("Backup previous multipath.conf to %r\n" % backup)
with tempfile.NamedTemporaryFile(
mode="wb",
prefix=os.path.basename(_CONF_FILE) + ".tmp",
dir=os.path.dirname(_CONF_FILE),
delete=False) as f:
try:
f.write(_CONF_DATA)
f.flush()
selinux.restorecon(f.name)
os.chmod(f.name, 0o644)
os.rename(f.name, _CONF_FILE)
except:
os.unlink(f.name)
raise
# Flush all unused multipath device maps
commands.execCmd([constants.EXT_MULTIPATH, "-F"])
try:
service.service_reload("multipathd")
except service.ServiceOperationError:
status = service.service_status("multipathd", False)
if status == 0:
raise
def configure():
"""
Set up the multipath daemon configuration to the known and
supported state. The original configuration, if any, is saved
"""
if os.path.exists(_CONF_FILE):
backup = _CONF_FILE + '.' + time.strftime("%Y%m%d%H%M")
shutil.copyfile(_CONF_FILE, backup)
sys.stdout.write("Backup previous multipath.conf to %r\n" % backup)
utils.persist(backup)
with tempfile.NamedTemporaryFile(
mode="wb",
prefix=os.path.basename(_CONF_FILE) + ".tmp",
dir=os.path.dirname(_CONF_FILE),
delete=False) as f:
try:
f.write(_CONF_DATA)
f.flush()
if selinux.is_selinux_enabled():
selinux.restorecon(f.name)
os.chmod(f.name, 0o644)
# On ovirt node multipath.conf is a bind mount and rename will fail
# if we do not unpersist first, making this non-atomic.
utils.unpersist(_CONF_FILE)
os.rename(f.name, _CONF_FILE)
except:
os.unlink(f.name)
raise
utils.persist(_CONF_FILE)
# Flush all unused multipath device maps
commands.execCmd([constants.EXT_MULTIPATH, "-F"])
try:
service.service_reload("multipathd")
except service.ServiceOperationError:
status = service.service_status("multipathd", False)
if status == 0:
raise
def configure():
"""
Set up the multipath daemon configuration to the known and
supported state. The original configuration, if any, is saved
"""
if os.path.exists(_CONF_FILE):
backup = _CONF_FILE + '.' + time.strftime("%Y%m%d%H%M")
shutil.copyfile(_CONF_FILE, backup)
sys.stdout.write("Backup previous multipath.conf to %r\n" % backup)
with tempfile.NamedTemporaryFile(
mode="wb",
prefix=os.path.basename(_CONF_FILE) + ".tmp",
dir=os.path.dirname(_CONF_FILE),
delete=False) as f:
try:
f.write(_CONF_DATA)
f.flush()
selinux.restorecon(f.name)
os.chmod(f.name, 0o644)
os.rename(f.name, _CONF_FILE)
except:
os.unlink(f.name)
raise
# Flush all unused multipath device maps. 'multipath'
# returns 1 if any of the devices is in use and unable to flush.
try:
commands.run([constants.EXT_MULTIPATH, "-F"])
except cmdutils.Error:
pass
try:
service.service_reload("multipathd")
except service.ServiceOperationError:
status = service.service_status("multipathd", False)
if status == 0:
raise