The changes (mostly in pkg/kubelet/cm) are there to adopt changed
runc 1.1 API, and simplify things a bit. In particular:
1. simplify cgroup manager instantiation, using a new, easier way of
libcontainers/cgroups/manager.New;
2. replace libcontainerAdapter with a boolean variable (all it did
was passing on whether systemd manager should be used);
3. trivial change due to removed cgroupfs.HugePageSizes and added
cgroups.HugePageSizes();
4. do not calculate cgroup paths in update / destroy, since libcontainer
cgroup managers now calculate the paths upon creation (previously,
they were doing that only in Apply, so using e.g. Set or Destroy right
after creation was impossible without specifying paths).
We currently still calculate cgroup paths in Exists -- this is to be
addressed separately.
Co-Authored-By: Elana Hashman <ehashman@redhat.com>
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