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# This file is part of Cockpit.
#
# Copyright (C) 2022 Red Hat, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import collections
import multiprocessing
import numbers
import os
import pytest
import cockpit.samples
@pytest.fixture
def hwmon_mock(tmpdir_factory, monkeypatch):
hwmon_dir = tmpdir_factory.mktemp('hwmon')
monkeypatch.setattr(cockpit.samples, "HWMON_PATH", str(hwmon_dir))
# hwmon1 - no name
(hwmon_dir / 'hwmon1').mkdir()
# hwmon2 - no label (on ARM)
hwmon2_dir = hwmon_dir / 'hwmon2'
hwmon2_dir.mkdir()
with open(hwmon2_dir / 'name', 'w') as fp:
fp.write('cpu_thermal')
with open(hwmon2_dir / 'temp1_input', 'w') as fp:
fp.write('32000')
# hwmon3 - AMD workaround #18098
hwmon3_dir = hwmon_dir / 'hwmon3'
hwmon3_dir.mkdir()
with open(hwmon3_dir / 'name', 'w') as fp:
fp.write('k10temp')
with open(hwmon3_dir / 'temp1_input', 'w') as fp:
fp.write('27500')
with open(hwmon3_dir / 'temp1_label', 'w') as fp:
fp.write('Tctl')
with open(hwmon3_dir / 'temp3_input', 'w') as fp:
fp.write('37000')
with open(hwmon3_dir / 'temp3_label', 'w') as fp:
fp.write('Tccd1')
# hwmon4 - Intel coretemp
hwmon4_dir = hwmon_dir / 'hwmon4'
hwmon4_dir.mkdir()
with open(hwmon4_dir / 'name', 'w') as fp:
fp.write('coretemp')
with open(hwmon4_dir / 'temp1_input', 'w') as fp:
fp.write('47000')
with open(hwmon4_dir / 'temp1_label', 'w') as fp:
fp.write('Package id 0')
with open(hwmon4_dir / 'temp2_input', 'w') as fp:
fp.write('46000')
with open(hwmon4_dir / 'temp2_label', 'w') as fp:
fp.write('Core 0')
with open(hwmon4_dir / 'temp3_input', 'w') as fp:
fp.write('46000')
with open(hwmon4_dir / 'temp3_label', 'w') as fp:
fp.write('Core 1')
with open(hwmon4_dir / 'temp4_input', 'w') as fp:
fp.write('46000')
with open(hwmon4_dir / 'temp4_label', 'w') as fp:
fp.write('Core 2')
return hwmon_dir
def get_checked_samples(sampler: cockpit.samples.Sampler) -> cockpit.samples.Samples:
cls = sampler.__class__
samples: cockpit.samples.Samples = collections.defaultdict(dict)
sampler.sample(samples)
assert set(samples) == {descr.name for descr in cls.descriptions}
for descr in cls.descriptions:
sample = samples[descr.name]
if descr.instanced:
assert isinstance(sample, dict)
else:
assert isinstance(sample, numbers.Real)
return samples
def test_descriptions():
for cls in cockpit.samples.SAMPLERS:
# currently broken in containers with no cgroups or temperatures or mounts present
if cls in [cockpit.samples.CGroupSampler, cockpit.samples.CPUTemperatureSampler,
cockpit.samples.MountSampler]:
continue
get_checked_samples(cls())
def test_cgroup_descriptions():
if not os.path.exists('/sys/fs/cgroup/system.slice'):
pytest.xfail('No cgroups present')
get_checked_samples(cockpit.samples.CGroupSampler())
def test_temperature_descriptions():
samples = collections.defaultdict(dict)
cockpit.samples.CPUTemperatureSampler().sample(samples)
if not samples:
pytest.xfail('No CPU temperature present')
get_checked_samples(cockpit.samples.CPUTemperatureSampler())
def test_cpu():
samples = get_checked_samples(cockpit.samples.CPUSampler())
assert len(samples['cpu.core.user']) == multiprocessing.cpu_count()
def test_cpu_temperature(hwmon_mock):
samples = collections.defaultdict(dict)
cockpit.samples.CPUTemperatureSampler().sample(samples)
samples = get_checked_samples(cockpit.samples.CPUTemperatureSampler())
for name, temperature in samples['cpu.temperature'].items():
# no name
assert 'hwmon1' not in name
assert 20 < temperature < 50
expected = ['hwmon4/temp4_input', 'hwmon4/temp3_input', 'hwmon4/temp2_input',
'hwmon4/temp1_input', 'hwmon3/temp3_input', 'hwmon3/temp1_input',
'hwmon2/temp1_input']
sensors = [os.path.relpath(p, start=hwmon_mock) for p in samples['cpu.temperature']]
assert sorted(sensors) == sorted(expected)
def test_cgroup_disk_io():
samples = collections.defaultdict(dict)
cockpit.samples.CGroupDiskIO().sample(samples)
samples = get_checked_samples(cockpit.samples.CGroupDiskIO())
assert len(samples['disk.cgroup.read']) == len(samples['disk.cgroup.written'])
for cgroup in samples['disk.cgroup.read']:
assert samples['disk.cgroup.read'][cgroup] >= 0
assert samples['disk.cgroup.written'][cgroup] >= 0
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