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feat(release): generate SLSA provenance for the Docker image #265

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Jun 1, 2023
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feat(release): generate SLSA provenance for the Docker image #265

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28 changes: 27 additions & 1 deletion .github/workflows/release.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,8 @@ jobs:
outputs:
release-tag: ${{ steps.release-info.outputs.release-tag }}
release-url: ${{ steps.release-info.outputs.release-url }}
image-name: ${{ steps.push-docker.outputs.image-name }}
image-digest: ${{ steps.push-docker.outputs.image-digest }}
runs-on: ubuntu-latest
permissions:
contents: write # To publish release notes.
Expand Down Expand Up @@ -153,9 +155,18 @@ jobs:

# Push the Docker image as part of the release pipeline.
- name: Push the Docker image
id: push-docker
env:
RELEASE_TAG: ${{ steps.release-info.outputs.release-tag }}
run: make push-docker
run: |
make push-docker
IMAGE_AND_DIGEST=$(docker inspect --format='{{index .RepoDigests 0}}' "$IMAGE_NAME")
NAME=$(echo "$IMAGE_AND_DIGEST" | cut -d'@' -f1 | cut -d':' -f1)
DIGEST=$(echo "$IMAGE_AND_DIGEST" | cut -d'@' -f2)
{
echo "image-name=${NAME}"
echo "image-digest=${DIGEST}"
} >> "$GITHUB_OUTPUT"

# Generate the Docker image SBOM under the dist/ directory which will be published as part of the release assets.
- name: Generate Docker sbom
Expand Down Expand Up @@ -262,6 +273,21 @@ jobs:
id-token: write # To sign the provenance.
contents: write # To add assets to a release.

# Generate SLSA provenance for the Docker image and push it to the container registry.
provenance-docker:
needs: [release]
permissions:
actions: read # To detect the Github Actions environment.
id-token: write # To create OIDC tokens for signing.
packages: write # To upload provenance.
uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v1.6.0
with:
image: ${{ needs.release.outputs.image-name }}
digest: ${{ needs.release.outputs.image-digest }}
registry-username: ${{ github.actor }}
secrets:
registry-password: ${{ secrets.GITHUB_TOKEN }}

# Publish the SLSA provenance as the GitHub release asset.
publish_provenance:
needs: [release, provenance]
Expand Down