def test_running_under_container_runtime(self, container_runtime_id):
with tempfile.NamedTemporaryFile() as proc_one_cgroup:
proc_one_cgroup.write(container_runtime_id.encode())
proc_one_cgroup.write(b'\n')
proc_one_cgroup.flush()
self.assertTrue(
utils.running_under_container_runtime(proc_one_cgroup.name))
def _get_cni_cgroup_path():
"""Returns the path to the CNI process cgroup memory directory."""
if utils.running_under_container_runtime():
# We are running inside a container. This means the root cgroup
# is the one we need to track as it will be the CNI parent proc
cg_memsw_path = TOP_CGROUP_MEMORY_PATH
else:
cg_memsw_path = CONF.cni_health_server.cg_path
return cg_memsw_path
def test_not_running_under_container_runtime(self):
with tempfile.NamedTemporaryFile() as proc_one_cgroup:
self.assertFalse(
utils.running_under_container_runtime(proc_one_cgroup.name))