def test_docker_parse_container_mem_docker_plugin_cgroupv2_with_limit():
result = parse_docker_container_mem(PLUGIN_OUTPUT_CGROUPV2_LIMIT)
assert result == {"MemFree": 55504896, "MemTotal": 57671680}
# make sure docker stats result is the same:
assert (result["MemTotal"]) / 1024 / 1024 == 55
assert round(
(result["MemTotal"] - result["MemFree"]) / 1024 / 10.24) / 100 == 2.07
def test_parse_container_mem_docker_plugin_with_limit():
"""
same as above, but with a 500MiB memory limit set via `-m` on `docker run`
"""
result = parse_docker_container_mem(PLUGIN_OUTPUT_MEM_LIMIT)
assert result == {'MemFree': 119451648, 'MemTotal': 524288000}
# compare to output of docker stats:
assert round(result['MemTotal'] / 1024 / 1024) == 500
assert round((result['MemTotal'] - result['MemFree']) / 1024 / 102.4) / 10 == 386.1
def test_docker_parse_container_mem_docker_plugin_cgroupv2():
"""
data fetched with mk_docker.py may look different depending on the cgroup
version used on the host.
"""
result = parse_docker_container_mem(PLUGIN_OUTPUT_CGROUPV2)
assert result == {'MemFree': 16564215808, 'MemTotal': 16591540224}
# make sure docker stats result is the same:
assert round((result['MemTotal'] - result['MemFree']) / 1024 / 10.24) / 100 == 26.06
def test_parse_container_mem_docker_plugin():
"""
see if the output returned from mk_docker.py on a host with cgroup v1 can
be parsed corretly
"""
result = parse_docker_container_mem(PLUGIN_OUTPUT_MEM_NO_LIMIT)
assert result == {'MemFree': 3611148288, 'MemTotal': 4667232256}
# compare to output of docker stats:
assert round(result['MemTotal'] / 1024 / 1024 / 1.024) / 1000 == 4.347
assert round((result['MemTotal'] - result['MemFree']) / 1024 / 1024) == 1007
