def teardown(config):
ver1 = CgroupVersion.get_version(CONTROLLER1)
ver2 = CgroupVersion.get_version(CONTROLLER2)
if ver1 == CgroupVersion.CGROUP_V2 and \
ver2 == CgroupVersion.CGROUP_V2:
# If both controllers are cgroup v2, then we only need to delete
# one cgroup. The path will be the same for both
Cgroup.delete(config, [CONTROLLER1, CONTROLLER2], CGNAME)
else:
Cgroup.delete(config, CONTROLLER1, CGNAME)
Cgroup.delete(config, CONTROLLER2, CGNAME)
def prereqs(config):
result = consts.TEST_PASSED
cause = None
if CgroupVersion.get_version('cpu') != CgroupVersion.CGROUP_V1:
result = consts.TEST_SKIPPED
cause = 'This test requires the cgroup v1 cpu controller'
return result, cause
if CgroupVersion.get_version('memory') != CgroupVersion.CGROUP_V1:
result = consts.TEST_SKIPPED
cause = 'This test requires the cgroup v1 memory controller'
return result, cause
return result, cause
def test(config):
result = consts.TEST_PASSED
cause = None
version = CgroupVersion.get_version(CONTROLLER)
if version == CgroupVersion.CGROUP_V1:
setting = SETTING_V1
expected_out = EXPECTED_OUT_V1
elif version == CgroupVersion.CGROUP_V2:
setting = SETTING_V2
expected_out = EXPECTED_OUT_V2
out = Cgroup.get(config,
controller=None,
cgname=[CGNAME1, CGNAME2],
setting=setting)
for line_num, line in enumerate(out.splitlines()):
if line.strip() != expected_out.splitlines()[line_num].strip():
result = consts.TEST_FAILED
cause = ('Expected line:\n\t{}\nbut received line:\n\t{}'
''.format(expected_out.splitlines()[line_num].strip(),
line.strip()))
return result, cause
return result, cause
def prereqs(config):
result = consts.TEST_PASSED
cause = None
if CgroupVersion.get_version('cpu') != CgroupVersion.CGROUP_V1:
result = consts.TEST_SKIPPED
cause = 'This test requires the cgroup v1 cpu controller'
# cpuacct controller is only available on cgroup v1, if an exception
# gets raised, then no cgroup v1 controllers mounted.
try:
CgroupVersion.get_version('cpuacct')
except IndexError:
result = consts.TEST_SKIPPED
cause = 'This test requires the cgroup v1 cpuacct controller'
return result, cause
def prereqs(config):
result = consts.TEST_PASSED
cause = None
if CgroupVersion.get_version('cpuset') != CgroupVersion.CGROUP_V2:
result = consts.TEST_SKIPPED
cause = 'This test requires the cgroup v2 cpuset controller'
return result, cause
def prereqs(config):
result = consts.TEST_PASSED
cause = None
if CgroupVersion.get_version(CONTROLLER) != CgroupVersion.CGROUP_V2:
result = consts.TEST_SKIPPED
cause = 'This test requires cgroup v2'
return result, cause
def get_cgroup(config, pid, controller):
version = CgroupVersion.get_version(controller)
if version == CgroupVersion.CGROUP_V1:
return Process.__get_cgroup_v1(config, pid, controller)
elif version == CgroupVersion.CGROUP_V2:
return Process.__get_cgroup_v2(config, pid, controller)
raise ValueError("get_cgroup() shouldn't reach this point")
def setup(config):
Cgroup.create(config, CONTROLLER, CGNAME1)
Cgroup.create(config, CONTROLLER, CGNAME2)
version = CgroupVersion.get_version(CONTROLLER)
if version == CgroupVersion.CGROUP_V1:
Cgroup.set(config, CGNAME1, SETTING_V1, VALUE)
Cgroup.set(config, CGNAME2, SETTING_V1, VALUE)
elif version == CgroupVersion.CGROUP_V2:
Cgroup.set(config, CGNAME1, SETTING_V2, VALUE)
Cgroup.set(config, CGNAME2, SETTING_V2, VALUE)
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 prereqs(config):
result = consts.TEST_PASSED
cause = None
if CgroupVersion.get_version('memory') != CgroupVersion.CGROUP_V1:
result = consts.TEST_SKIPPED
cause = 'This test requires the cgroup v1 memory controller'
return result, cause
if not config.args.container:
result = consts.TEST_SKIPPED
cause = 'This test must be run within a container'
return result, cause
return result, cause
def setup(config):
Cgroup.create(config, CONTROLLER, PARENT)
Cgroup.create(config, CONTROLLER, os.path.join(PARENT, CHILD))
Cgroup.create(config, CONTROLLER, os.path.join(PARENT, CHILD, GRANDCHILD))
version = CgroupVersion.get_version(CONTROLLER)
if version == CgroupVersion.CGROUP_V1:
# cgdelete in a cgroup v1 controller should be able to move a process
# from a child cgroup to its parent.
#
# Moving a process from a child cgroup to its parent isn't (easily)
# supported in cgroup v2 because of cgroup v2's restriction that
# processes only be located in leaf cgroups
grandchild_cgrp_path = os.path.join(PARENT, CHILD, GRANDCHILD)
config.process.create_process_in_cgroup(config, CONTROLLER,
grandchild_cgrp_path)
def test(config):
result = consts.TEST_PASSED
cause = None
out = Cgroup.get(config,
controller='{}:{}'.format(CONTROLLER, CGNAME),
print_headers=False)
version = CgroupVersion.get_version(CONTROLLER)
if version == CgroupVersion.CGROUP_V1:
expected_out = EXPECTED_OUT_V1
if len(out.splitlines()) != len(expected_out.splitlines()):
expected_out = EXPECTED_OUT_V1_CFS_BANDWIDTH
elif version == CgroupVersion.CGROUP_V2:
expected_out = EXPECTED_OUT_V2
if len(out.splitlines()) != len(expected_out.splitlines()):
expected_out = EXPECTED_OUT_V2_PSI
if len(out.splitlines()) != len(expected_out.splitlines()):
expected_out = EXPECTED_OUT_V2_PSI_CFS_BANDWIDTH
if len(out.splitlines()) != len(expected_out.splitlines()):
result = consts.TEST_FAILED
cause = ('Expected line count: {}, but received line count: {}'
''.format(len(expected_out.splitlines()),
len(out.splitlines())))
return result, cause
if len(out.splitlines()) != len(expected_out.splitlines()):
result = consts.TEST_FAILED
cause = ('Expected {} lines but received {} lines'
''.format(len(expected_out.splitlines()),
len(out.splitlines())))
return result, cause
for line_num, line in enumerate(out.splitlines()):
if line.strip() != expected_out.splitlines()[line_num].strip():
result = consts.TEST_FAILED
cause = ('Expected line:\n\t{}\nbut received line:\n\t{}'
''.format(expected_out.splitlines()[line_num].strip(),
line.strip()))
return result, cause
return result, cause
def test(config):
result = consts.TEST_PASSED
cause = None
if CgroupVersion.get_version(CONTROLLER) == CgroupVersion.CGROUP_V1:
# request the opposite version of what this system is running
requested_ver = CgroupVersion.CGROUP_V2
else:
requested_ver = CgroupVersion.CGROUP_V1
out = Cgroup.xget(config,
cgname=CGNAME,
setting=SETTING,
version=requested_ver,
print_headers=False,
ignore_unmappable=True)
if len(out):
result = consts.TEST_FAILED
cause = 'Expected cgxget to return nothing. Received {}'.format(out)
return result, cause
def setup(config):
CgroupCli.create(config, CONTROLLER, CGNAME)
if CgroupVersion.get_version('cpu') == CgroupVersion.CGROUP_V1:
CgroupCli.set(config, CGNAME, SETTING1, VALUE1)
else:
CgroupCli.set(config, CGNAME, SETTING2, VALUE2)