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#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-only
#
# Test to set the permissions on a cgroup using the python bindings
#
# Copyright (c) 2023 Oracle and/or its affiliates.
# Author: Tom Hromatka <tom.hromatka@oracle.com>
#
from cgroup import Cgroup as CgroupCli, CgroupVersion
from libcgroup import Cgroup, Version
import consts
import ftests
import utils
import stat
import sys
import os
CGNAME = '057setperms'
CONTROLLER = 'memory'
# 0711
DIR_MODE = stat.S_IRWXU | stat.S_IXGRP | stat.S_IXOTH
# 0640
CTRL_MODE = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP
# 0660
TASK_MODE = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IWGRP
def prereqs(config):
result = consts.TEST_PASSED
cause = None
if CgroupVersion.get_version(CONTROLLER) != CgroupVersion.CGROUP_V1:
result = consts.TEST_SKIPPED
cause = 'This test requires cgroup v1'
return result, cause
def setup(config):
pass
def test(config):
result = consts.TEST_PASSED
cause = None
cg = Cgroup(CGNAME, Version.CGROUP_V1)
cg.set_permissions(DIR_MODE, CTRL_MODE, TASK_MODE)
cg.add_controller(CONTROLLER)
cg.create(ignore_ownership=False)
dir_path = os.path.join(CgroupCli.get_controller_mount_point(CONTROLLER), CGNAME)
dir_mode = utils.get_file_permissions(config, dir_path)
if int(dir_mode, 8) != DIR_MODE:
result = consts.TEST_FAILED
cause = "Expected directory mode to be {} but it's {}".format(
format(DIR_MODE, '03o'), dir_mode)
ctrl_path = os.path.join(CgroupCli.get_controller_mount_point(CONTROLLER), CGNAME,
'cgroup.procs')
ctrl_mode = utils.get_file_permissions(config, ctrl_path)
if int(ctrl_mode, 8) != CTRL_MODE:
result = consts.TEST_FAILED
tmp_cause = "Expected cgroup.procs mode to be {} but it's {}".format(
format(CTRL_MODE, '03o'), ctrl_mode)
cause = '\n'.join(filter(None, [cause, tmp_cause]))
task_path = os.path.join(CgroupCli.get_controller_mount_point(CONTROLLER), CGNAME,
'tasks')
task_mode = utils.get_file_permissions(config, task_path)
if int(task_mode, 8) != TASK_MODE:
result = consts.TEST_FAILED
tmp_cause = "Expected tasks mode to be {} but it's {}".format(
format(TASK_MODE, '03o'), task_mode)
cause = '\n'.join(filter(None, [cause, tmp_cause]))
return result, cause
def teardown(config):
CgroupCli.delete(config, CONTROLLER, CGNAME)
def main(config):
[result, cause] = prereqs(config)
if result != consts.TEST_PASSED:
return [result, cause]
setup(config)
[result, cause] = test(config)
teardown(config)
return [result, cause]
if __name__ == '__main__':
config = ftests.parse_args()
# this test was invoked directly. run only it
config.args.num = int(os.path.basename(__file__).split('-')[0])
sys.exit(ftests.main(config))
# vim: set et ts=4 sw=4:
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