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Re: [atomic-devel] atomic pull from containers-storage

On 02/01/2018 04:36 AM, Thorsten Scherf wrote:
On Thu, Feb 1, 2018 at 5:16 AM, Chris Negus <cnegus redhat com> wrote:
----- Original Message -----

there was already a similar request on the list before for which I
have a follow-up question.

Let's say I have an image created by buildah and the the image has
been written to the storage location as defined in
/etc/containers/storage.conf. The default is
/var/lib/containers/storage. Now I want to pull the image from this
storage and store it into an ostree repository using the atomic tool.
This does't seem to work.

Let's take a look at the buildah default storage:

# sudo buildah images
        CREATED AT             SIZE
0e04578ef6b7         docker.io/library/foobar:latest
        Jan 28, 2018 09:48     251 MB

When I try to pull this image with atomic, it does not work as expected:

# sudo atomic pull --storage ostree containers-storage:foobar:latest
The image `containers-storage:foobar:latest` is not fully qualified.
The default registry configured for Skopeo will be used.
FATA[0000] Invalid source name
docker://containers-storage:foobar:latest: invalid reference format

Is this because atomic does not support the containers-storage
transport? What else should I use in order to pull an image from this
I can't find "containers-storage" referenced in any atomic man pages. There is ostree storage, but I couldn't get that or containers-storage to work as a place to pull from. Maybe someone who knows more that I do could shed some light on this.
Same here. I think that would be a RfE for atomic.

One thing that did work is to push the image created by buildah to a registry, then use atomic pull. With the docker-distribution service running on the local host, I did this after building an image with buildah named "foobar":

# buildah push --tls-verify=false foobar:latest localhost:5000/foobar:latest
# atomic pull --storage ostree http:localhost:5000/foobar
# atomic images list | grep foobar
    localhost:5000/foobar   latest   a76583269cbd   2018-01-31 22:04   31.29 MB       ostree
I tried that too. But on a build system where I build images with
buildah to avoid the need to have any docker service installed, I just
want atomic to be able to pull an image out of the storage that is
used by buildah.


Yes now that podman is almost ready, we will add containers/storage support to atmomic.  Just need podman packages.

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