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concourse / registry-image-resource

a resource for images in a Docker registry
Apache License 2.0
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Add support for building OCI multi-arch images #321

Closed rdrgmnzs closed 2 years ago

rdrgmnzs commented 2 years ago

Add support for building OCI multi-arch images.

It should work in conjunction with the work on https://github.com/concourse/oci-build-task/pull/93

This PR assumes that the image is being provided to it as a directory rather than a tar. This is because google/go-containerregistry does not support importing multi-arch images at this time. oci-build-task is already extracting the image to a directory for similar reasons, so instead of doubling up the work we just consume the directory it creates.

Signed-off-by: Rodrigo Menezes brdude@gmail.com

rdrgmnzs commented 2 years ago

@xtremerui added some tests which should determine if the image is pushed correctly. I decided against duplicating the glob matching tests as I don't think there'd be a lot to gain from them but let me know if you want me to add them anyway.