imagetools: support for creating attestations/signatures #3433
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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Persist attestation manifest and any manifest cosign-based signatures when creating new images. When creating index from single-arch manifests where attestation manifest is not inlined, it can be loaded from referrers API. Note that for this to work the attestation manifest needs to be in artifact type when image was built. Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com> (cherry picked from commit aab8171)
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jsternberg
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This was added after the initial version was written. Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
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Persist attestation manifest and any manifest cosign-based
signatures when creating new images.
When creating index from single-arch manifests where attestation
manifest is not inlined, it can be loaded from referrers API.
Note that for this to work the attestation manifest needs to be
in artifact type when image was built.
Signed-off-by: Tonis Tiigi tonistiigi@gmail.com