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#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-only
#
# cgxset functionality test using the python bindings
#
# Copyright (c) 2021-2022 Oracle and/or its affiliates.
# Author: Tom Hromatka <tom.hromatka@oracle.com>
#
from cgroup import CgroupVersion as CgroupCliVersion
from cgroup import Cgroup as CgroupCli
from libcgroup import Cgroup, Version
from run import Run
import consts
import ftests
import sys
import os
CONTROLLER = 'cpu'
CGNAME = '040bindings'
SETTING1 = 'cpu.shares'
VALUE1 = '512'
SETTING2 = 'cpu.weight'
VALUE2 = '50'
def prereqs(config):
result = consts.TEST_PASSED
cause = None
if config.args.container:
result = consts.TEST_SKIPPED
cause = 'This test cannot be run within a container'
return result, cause
def setup(config):
user_name = Run.run('whoami', shell_bool=True)
group_name = Run.run('groups', shell_bool=True).split(' ')[0]
CgroupCli.create(config, controller_list=CONTROLLER, cgname=CGNAME,
user_name=user_name, group_name=group_name)
def test(config):
result = consts.TEST_PASSED
cause = None
cg1 = Cgroup(CGNAME, Version.CGROUP_V1)
cg1.add_controller(CONTROLLER)
cg1.add_setting(SETTING1, VALUE1)
cg1.cgxset()
value_v1 = CgroupCli.xget(
config, setting=SETTING1, print_headers=False,
values_only=True,
version=CgroupCliVersion.CGROUP_V1,
cgname=CGNAME
)
if value_v1 != VALUE1:
result = consts.TEST_FAILED
cause = 'Expected {}, but received {}'.format(VALUE1, value_v1)
return result, cause
# Set the cpu.shares/cpu.weight to an arbitrary value to ensure
# the following v2 cgxset works properly
CgroupCli.xset(config, cgname=CGNAME, setting=SETTING1, value='1234',
version=CgroupCliVersion.CGROUP_V1)
cg2 = Cgroup(CGNAME, Version.CGROUP_V2)
cg2.add_controller(CONTROLLER)
cg2.add_setting(SETTING2, VALUE2)
cg2.cgxset()
value_v2 = CgroupCli.xget(
config, setting=SETTING2, print_headers=False,
values_only=True,
version=CgroupCliVersion.CGROUP_V2,
cgname=CGNAME
)
if value_v2 != VALUE2:
result = consts.TEST_FAILED
cause = 'Expected {}, but received {}'.format(VALUE2, value_v2)
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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