image provenance #7
Workflow file for this run
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| name: goreleaser | |
| on: | |
| push: | |
| tags: | |
| - "v*" # triggers only if push new tag version, like `0.8.4` or else | |
| permissions: | |
| contents: read | |
| jobs: | |
| goreleaser: | |
| outputs: | |
| hashes: ${{ steps.binary.outputs.hashes }} | |
| image: ${{ steps.image.outputs.name }} | |
| digest: ${{ steps.image.outputs.digest }} | |
| permissions: | |
| contents: write # for goreleaser/goreleaser-action to create a GitHub release | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v2.3.4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Set up Go | |
| uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0 | |
| with: | |
| go-version: "1.20" | |
| check-latest: true | |
| - name: Run GoReleaser | |
| id: goreleaser | |
| uses: goreleaser/goreleaser-action@8f67e590f2d095516493f017008adc464e63adb1 # v2.5.0 | |
| with: | |
| version: latest | |
| args: release --rm-dist | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Generate binary hashes | |
| id: binary | |
| env: | |
| ARTIFACTS: "${{ steps.goreleaser.outputs.artifacts }}" | |
| run: | | |
| set -euo pipefail | |
| checksum_file=$(echo "$ARTIFACTS" | jq -r '.[] | select (.type=="Checksum") | .path') | |
| echo "hashes=$(cat $checksum_file | base64 -w0)" >> "$GITHUB_OUTPUT" | |
| - name: Image digest | |
| id: image | |
| env: | |
| ARTIFACTS: "${{ steps.goreleaser.outputs.artifacts }}" | |
| run: | | |
| set -euo pipefail | |
| image_and_digest=$(echo "$ARTIFACTS" | jq -r '.[] | select (.type=="Docker Manifest") | .path') | |
| image=$(echo "${image_and_digest}" | cut -d'@' -f1 | cut -d':' -f1) | |
| digest=$(echo "${image_and_digest}" | cut -d'@' -f2) | |
| echo "name=$image" >> "$GITHUB_OUTPUT" | |
| echo "digest=$digest" >> "$GITHUB_OUTPUT" | |
| binary-provenance: | |
| needs: [goreleaser] | |
| permissions: | |
| actions: read # To read the workflow path. | |
| id-token: write # To sign the provenance. | |
| contents: write # To add assets to a release. | |
| uses: slsa-framework/slsa-github-generator/.github/workflows/[email protected] | |
| with: | |
| base64-subjects: "${{ needs.goreleaser.outputs.hashes }}" | |
| upload-assets: true # upload to a new release | |
| image-provenance: | |
| needs: [goreleaser] | |
| permissions: | |
| actions: read | |
| id-token: write | |
| packages: write | |
| uses: slsa-framework/slsa-github-generator/.github/workflows/[email protected] | |
| with: | |
| image: ${{ needs.goreleaser.outputs.image }} | |
| digest: ${{ needs.goreleaser.outputs.digest }} | |
| registry-username: ${{ github.actor }} | |
| secrets: | |
| registry-password: ${{ secrets.GITHUB_TOKEN }} | |
| verification-with-slsa-verifier: | |
| needs: [goreleaser, binary-provenance] | |
| runs-on: ubuntu-latest | |
| permissions: read-all | |
| steps: | |
| - name: Install the verifier | |
| uses: slsa-framework/slsa-verifier/actions/[email protected] | |
| - name: Download assets | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| PROVENANCE: "${{ needs.binary-provenance.outputs.provenance-name }}" | |
| run: | | |
| set -euo pipefail | |
| gh -R "$GITHUB_REPOSITORY" release download "$GITHUB_REF_NAME" -p "*.tar.gz" | |
| gh -R "$GITHUB_REPOSITORY" release download "$GITHUB_REF_NAME" -p "*.zip" | |
| gh -R "$GITHUB_REPOSITORY" release download "$GITHUB_REF_NAME" -p "$PROVENANCE" | |
| - name: Verify assets | |
| env: | |
| CHECKSUMS: ${{ needs.goreleaser.outputs.hashes }} | |
| PROVENANCE: "${{ needs.binary-provenance.outputs.provenance-name }}" | |
| run: | | |
| set -euo pipefail | |
| checksums=$(echo "$CHECKSUMS" | base64 -d) | |
| while read -r line; do | |
| fn=$(echo $line | cut -d ' ' -f2) | |
| echo "Verifying $fn" | |
| slsa-verifier verify-artifact --provenance-path "$PROVENANCE" \ | |
| --source-uri "github.com/$GITHUB_REPOSITORY" \ | |
| --source-tag "$GITHUB_REF_NAME" \ | |
| "$fn" | |
| done <<<"$checksums" | |
| verification-with-cosign: | |
| needs: [goreleaser, image-provenance] | |
| runs-on: ubuntu-latest | |
| permissions: read-all | |
| steps: | |
| - name: Login | |
| uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Install Cosign | |
| uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19 # v3.1.2 | |
| - name: Verify image | |
| env: | |
| IMAGE: ${{ needs.goreleaser.outputs.image }} | |
| DIGEST: ${{ needs.goreleaser.outputs.digest }} | |
| run: | | |
| cosign verify-attestation \ | |
| --type slsaprovenance \ | |
| --certificate-oidc-issuer https://token.actions.githubusercontent.com \ | |
| --certificate-identity-regexp '^https://github.com/slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@refs/tags/v[0-9]+.[0-9]+.[0-9]+$' \ | |
| $IMAGE@$DIGEST |