[Buildroot] [PATCH v1 3/3] package/genuinetools-img: new host and target package

[Yann E. MORIN <yann.morin.1998@free.fr>]

Christian, All,

On 2021-05-02 19:45 -0700, Christian Stewart spake thusly:
> On Sun, May 2, 2021 at 7:33 PM Christian Stewart <christian@paral.in> wrote:
> >
> > Img is a standalone, daemon-less, unprivileged Dockerfile and OCI compatible
> > container image builder. It uses the moby-buildkit solver internally. The
> > commands/UX mirror the Docker CLI for workflow compatibility.
> >
> > Using the genuinetools- prefix due to the generic nature of the "img" name.
> >
> > Adds both host and target variants. fuse-overlayfs can be used as an
> > unprivileged and rootless overlay filesystem backend.
> >
> > https://github.com/genuinetools/img
> 
> The intent here is to eventually add some kind of "download" target to
> Buildroot for downloading & verifying container images as .tar.gz
> files from container registries using the genuinetools-img tool - it
> can "pull" and "save" using an unprivileged cache directory.
> 
> I'm not sure the best way to do this / if there is any appetite for
> adding a pkg helper for this, thoughts?

Im not usre I understood that, but basically one would write:

    HELLO_WORLD_VERSION = 1.2.3
    HELLO_WORLD_SOURCE = hello-world:1.2.3
    HELLO_WORLD_SITE = dockerhub.com/u/hello

    $(eval $(oci-image-package))

And that would download the hello-world:1.2.3 image from dockerhub and
install that as a OCI image in the target filesystem, so that at runtime
one could do (on the CLI, in an init script, in a systemd unit, etc...):
    docker run hello-world:1.2.3 /bin/hello-world

Something like that?

Regards,
Yann E. MORIN.

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