This change allows implementations to resolve the location of the actual data
using OCI descriptor fields such as MediaType.
No OCI descriptor field is written to the store.
No change on gRPC API.
Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
This allows non-privileged users to use containerd. This is part of a
larger track of work integrating containerd into Cloudfoundry's garden
with support for rootless.
[#156343575]
Signed-off-by: Claudia Beresford <cberesford@pivotal.io>
