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Use Docker digest instead of tag to attest provenance #3296

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Feb 3, 2025
Merged

Use Docker digest instead of tag to attest provenance #3296

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7 changes: 5 additions & 2 deletions .github/workflows/release.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -143,12 +143,15 @@ jobs:
CURRENT_TAG: ${{ github.ref_name }}
run: |
for IMG_NAME in $(yq e '.dockers[].image_templates[0]' .goreleaser.yaml | grep PRIME_REGISTRY | sed "s/{{ .Env.PRIME_REGISTRY }}/${PRIME_REGISTRY}/g" | sed "s/{{ .Tag }}/${CURRENT_TAG}/g"); do
# Extract Docker image reference plus digest from local image
IMAGE=$(docker inspect --format='{{index .RepoDigests 0}}' ${IMG_NAME})

max_retries=3
retry_delay=5
i=0

while [ "${i}" -lt "${max_retries}" ]; do
if slsactl download provenance --format=slsav1 "${IMG_NAME}" > provenance-slsav1.json; then
if slsactl download provenance --format=slsav1 "${IMAGE}" > provenance-slsav1.json; then
break
fi
if [ "${i}" -eq "$(( max_retries - 1 ))" ]; then
Expand All @@ -159,7 +162,7 @@ jobs:
sleep "${retry_delay}"
done

cosign attest --yes --predicate provenance-slsav1.json --type slsaprovenance1 "${IMG_NAME}"
cosign attest --yes --predicate provenance-slsav1.json --type slsaprovenance1 "${IMAGE}"
done

- name: Upload charts to release
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