Minimal Provenances #1
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| name: Minimal Provenances | |
| on: | |
| push: | |
| branches: | |
| - 'stage0verify' | |
| workflow_dispatch: | |
| inputs: | |
| build-config-path: | |
| required: true | |
| type: string | |
| jobs: | |
| get_inputs: | |
| outputs: | |
| # Resolves to a single file which is passed to the SLSA provenance | |
| # generator. | |
| artifact-path: ${{ steps.parse-build-config.outputs.artifact-path }} | |
| # The name of the internal TR package. This must coincide with the | |
| # basename of the buildconfig. | |
| package-name: ${{ steps.parse-build-config.outputs.package-name }} | |
| builder-digest: ${{ steps.builder-digest.outputs.builder-digest }} | |
| runs-on: ubuntu-20.04 | |
| steps: | |
| - name: Mount main branch | |
| uses: actions/checkout@v4 | |
| - name: Parse build config | |
| id: parse-build-config | |
| run: | | |
| set -o errexit | |
| set -o nounset | |
| set -o xtrace | |
| set -o pipefail | |
| artifact_path="$(tail -1 ${{ inputs.build-config-path }} | grep -oP 'artifact_path = \K(.*)')" | |
| package_name="$(basename ${{ inputs.build-config-path }} .toml)" | |
| echo "artifact-path=${artifact_path}" >> $GITHUB_OUTPUT | |
| echo "package-name=${package_name}" >> $GITHUB_OUTPUT | |
| - name: Get builder image info | |
| id: builder-digest | |
| run: | | |
| set -o errexit | |
| set -o nounset | |
| set -o xtrace | |
| set -o pipefail | |
| source ./scripts/common | |
| digest="$(echo "${DOCKER_IMAGE_REPO_DIGEST}" | cut -d'@' -f2)" | |
| echo "builder-digest=${digest}" >> $GITHUB_OUTPUT | |
| - name: Print values | |
| run: | | |
| echo "${{ steps.parse-build-config.outputs.artifact-path }}" | |
| echo "${{ steps.parse-build-config.outputs.package-name }}" | |
| echo "${{ steps.builder-digest.outputs.builder-digest }}" | |
| generate_provenance: | |
| needs: [get_inputs] | |
| permissions: | |
| id-token: write | |
| attestations: write | |
| contents: read | |
| runs-on: ubuntu-20.04 | |
| steps: | |
| - name: Pretend build | |
| id: pretend | |
| run: | | |
| set -o errexit | |
| set -o nounset | |
| set -o xtrace | |
| set -o pipefail | |
| dir="$(dirname ${{ needs.get_inputs.outputs.artifact-path }})" | |
| mkdir -p $dir | |
| echo whatever > ${{ needs.get_inputs.outputs.artifact-path }} | |
| - name: Debug subject path | |
| run: | | |
| echo "${{ needs.get_inputs.outputs.artifact-path }}" | |
| ls -la "${{ needs.get_inputs.outputs.artifact-path }}" | |
| - name: Attest Build Provenance | |
| id: provenance | |
| uses: actions/[email protected] | |
| with: | |
| subject-name: not-a-real-build | |
| subject-digest: sha256:cd293be6cea034bd45a0352775a219ef5dc7825ce55d1f7dae9762d80ce64411 | |
| push-to-registry: true | |
| - name: Show Bundle | |
| run: | | |
| echo "${{ steps.provenance.outputs.bundle-path }}" | |
| ls -la "${{ steps.provenance.outputs.bundle-path }}" |