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| name: reproducible-build-test | |
| on: | |
| workflow_dispatch: {} | |
| schedule: | |
| - cron: "0 1 */2 * *" | |
| push: | |
| jobs: | |
| build: | |
| name: build reproducible images | |
| runs-on: ${{ matrix.runner }} | |
| strategy: | |
| matrix: | |
| include: | |
| - runner: warp-ubuntu-2404-x64-32x | |
| machine: machine-1 | |
| - runner: warp-ubuntu-2204-x64-32x | |
| machine: machine-2 | |
| steps: | |
| - uses: actions/checkout@v5 | |
| - name: Install uv | |
| uses: astral-sh/setup-uv@v7 | |
| with: | |
| enable-cache: "false" | |
| tool-bin-dir: "/usr/local/bin" | |
| - name: Install mkosi | |
| run: | | |
| sudo apt-get update && sudo apt-get install -y debian-archive-keyring | |
| uv tool install git+https://github.com/systemd/mkosi.git@$(cat .mkosi_version) | |
| - name: Build image | |
| run: | | |
| sudo mkosi --force -I buildernet.conf --profile=gcp,cloud | |
| - name: Calculate SHA256 | |
| id: sha256 | |
| run: | | |
| sha256sum buildernet/mkosi.output/buildernet.efi > checksum.sha256 | |
| echo "buildernet.efi SHA256 on ${{ matrix.machine }}: $(cat checksum.sha256)" | |
| - name: Upload the hash | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: checksum-${{ matrix.machine }} | |
| path: | | |
| checksum.sha256 | |
| retention-days: 1 | |
| compare: | |
| name: compare results | |
| needs: build | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Download artifacts from machine-1 | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: checksum-machine-1 | |
| path: machine-1/ | |
| - name: Download artifacts from machine-2 | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: checksum-machine-2 | |
| path: machine-2/ | |
| - name: Compare SHA256 hashes | |
| run: | | |
| echo "=== SHA256 Comparison ===" | |
| echo "Machine 1 hash:" | |
| cat machine-1/checksum.sha256 | |
| echo "Machine 2 hash:" | |
| cat machine-2/checksum.sha256 | |
| if cmp -s machine-1/checksum.sha256 machine-2/checksum.sha256; then | |
| echo "✅ SUCCESS: Images are identical (reproducible build verified)" | |
| else | |
| echo "❌ FAILURE: Images differ (reproducible build failed)" | |
| exit 1 | |
| fi |