AFAICT none of the callers (which all involve one of `linuxkit/mkimage-*`) have
any reason to hit the network.
Signed-off-by: Ian Campbell <ijc@docker.com>
Instead of passing the image name as string use the a reference
to a containerd reference.Spec. This allows us, for example,
to update the reference in place when verifying content trust
with more specific information, such as the sha256
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Rather than using an initrd, unpack full filesystem for ISO BIOS.
Stream docker output direct to file rather than via a buffer, to save
memory.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
- this is pretty much the smallest change to split this out and it
exposes a few things that can be improved later
- no change to logging yet
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
