From 3c70100ea13c29f16acdb83b4f68a6d667f4a719 Mon Sep 17 00:00:00 2001 From: Tom Hromatka Date: Tue, 14 Dec 2021 14:43:30 -0700 Subject: [PATCH] ftests: Add a test to get/set cgroup.type Add a functional test that can get/set cgroup.type on a cgroup v2 filesystem. ----------------------------------------------------------------- Test Results: Run Date: Dec 06 14:40:46 Passed: 1 test(s) Skipped: 0 test(s) Failed: 0 test(s) ----------------------------------------------------------------- Timing Results: Test Time (sec) ------------------------------------------- setup 0.00 035-cgset-set_cgroup_type.py 2.30 teardown 0.00 ------------------------------------------- Total Run Time 2.30 Signed-off-by: Tom Hromatka (cherry picked from commit 9ba430f59d780b5670e2c58bba94fed9266a190e) --- ftests/035-cgset-set_cgroup_type.py | 107 ++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100755 ftests/035-cgset-set_cgroup_type.py diff --git a/ftests/035-cgset-set_cgroup_type.py b/ftests/035-cgset-set_cgroup_type.py new file mode 100755 index 00000000..70159502 --- /dev/null +++ b/ftests/035-cgset-set_cgroup_type.py @@ -0,0 +1,107 @@ +#!/usr/bin/env python3 +# +# cgget/cgset cgroup.type functionality test +# +# Copyright (c) 2021 Oracle and/or its affiliates. +# Author: Tom Hromatka +# + +# +# This library is free software; you can redistribute it and/or modify it +# under the terms of version 2.1 of the GNU Lesser General Public License as +# published by the Free Software Foundation. +# +# This library is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License +# for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library; if not, see . +# + +from cgroup import Cgroup, CgroupVersion +import consts +import ftests +import os +import sys + +# Which controller isn't all that important, but it is important that we +# have a cgroup v2 controller +CONTROLLER = 'cpu' +CGNAME = "035cgset" + +SETTING = 'cgroup.type' +BEFORE = 'domain' +AFTER = 'threaded' + +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 + + if CgroupVersion.get_version(CONTROLLER) != CgroupVersion.CGROUP_V2: + result = consts.TEST_SKIPPED + cause = "This test requires cgroup v2" + + return result, cause + +def setup(config): + result = consts.TEST_PASSED + cause = None + + Cgroup.create(config, CONTROLLER, CGNAME) + + + before = Cgroup.get(config, controller=None, cgname=CGNAME, + setting=SETTING, print_headers=False, + values_only=True) + if before != BEFORE: + result = consts.TEST_SKIPPED + cause = "Skipping test. Unexpected value in {}: {}".format(SETTING, + before) + + return result, cause + +def test(config): + result = consts.TEST_PASSED + cause = None + + Cgroup.set(config, CGNAME, SETTING, AFTER) + + after = Cgroup.get(config, controller=None, cgname=CGNAME, + setting=SETTING, print_headers=False, + values_only=True) + + if after != AFTER: + result = consts.TEST_FAILED + cause = "cgget expected {} but received {}".format(AFTER, after) + + return result, cause + +def teardown(config): + Cgroup.delete(config, CONTROLLER, CGNAME) + +def main(config): + [result, cause] = prereqs(config) + if result != consts.TEST_PASSED: + return [result, cause] + + setup(config) + if result != consts.TEST_PASSED: + return [result, cause] + + [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)) -- 2.47.2