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cosign bundle create should support images #5138

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@cmurphy

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Currently, cosign bundle create only supports converting bundles on disk. We should make sure that we have a good migration story for images as well.

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  1. steiza commented on Oct 1, 2026

    @steiza
    Member

    I started thinking about this today, but there's at least one rather large problem.

    Today, cosign subcommands are either oriented towards OCI registries (sign, attest, download) or files on disk (sign-blob, verify-blob, ...)

    bundle create today is oriented towards files on disk, and there would not be a lot of overlap between the existing flags and the flags needed for the OCI case (--registry-*, --allow-http-registry, --allow-insecure-registry, etc).

    Should we try to have one subcommand bundle create to handle both files on disk and OCI registries? Or should we have an OCI version of bundle create (and if so what should we call it)?

  2. self-assigned this
    on Oct 2, 2026
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