build-ironic-images.yaml

---
name: build-ironic-images

on:
  workflow_dispatch:
  pull_request:
    paths:
      - 'ironic-images/**'
  push:
    branches:
      - main
    paths:
      - 'ironic-images/**'
  merge_group:
    types: [checks_requested]

jobs:
  discover:
    runs-on: ubuntu-latest
    outputs:
      yaml-files: ${{ steps.set-matrix.outputs.yaml-files }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

      - name: Find YAML files
        id: set-matrix
        run: |
          yaml_files="[$(find . -maxdepth 1 -type f \( -name '*.yaml' -o -name '*.yml' \) -printf '"%f", ' | sed 's/, $//')]"
          echo "yaml-files=${yaml_files}" >> $GITHUB_OUTPUT
        working-directory: ironic-images

  build-esp-image:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ironic-images

    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

      - name: Install Dependencies
        run: sudo apt update && sudo apt install -y grub-efi-amd64-signed shim-signed mtools

      - name: Create esp image
        run: |
          cp /usr/lib/shim/shimx64.efi.signed /tmp/bootx64.efi
          cp /usr/lib/grub/x86_64-efi-signed/grubnetx64.efi.signed /tmp/grubx64.efi
          dd if=/dev/zero of=/tmp/esp.img bs=4096 count=1024
          mkfs.msdos -F 12 -n ESP_IMAGE /tmp/esp.img
          mmd -i /tmp/esp.img EFI EFI/BOOT
          mcopy -i /tmp/esp.img -v /tmp/bootx64.efi ::EFI/BOOT/BOOTX64.efi
          mcopy -i /tmp/esp.img -v /tmp/grubx64.efi ::EFI/BOOT/GRUBX64.efi
          mdir -i /tmp/esp.img ::EFI/BOOT
          mkdir uploads
          mv /tmp/esp.img uploads/esp.img

  copy-ipxe-images:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ironic-images

    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

      - name: Install Dependencies
        run: sudo apt update && sudo apt install -y ipxe

      - name: Copy ipxe images
        run: cp /usr/lib/ipxe/{undionly.kpxe,ipxe.efi,snponly.efi} uploads
          
  build-tenant-images:
    runs-on: ubuntu-latest
    needs: [discover, build-esp-image]
    defaults:
      run:
        working-directory: ironic-images
    strategy:
      matrix:
        yaml-file: ${{ fromJson(needs.discover.outputs.yaml-files) }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

      - name: Set up variables
        run: |
          echo "Processing YAML file: ${{ matrix.yaml-file }}"
          imagename=$(grep -m 1 '^- imagename:' "${{ matrix.yaml-file }}" | awk '{print $3}')
          echo "distro=${imagename%-*}" >> $GITHUB_ENV
          echo "release=${imagename##*-}" >> $GITHUB_ENV

      - name: Setup python environment
        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5
        id: setup-python
        with:
          python-version: '3.11'
          cache: 'pip'

      - name: Install Dependencies
        run: sudo apt update && sudo apt install -y debootstrap qemu-utils squashfs-tools kpartx

      - name: Install python packages
        run: pip install -r requirements.txt

      - name: Build Images
        run: |
          diskimage-builder ${{ matrix.yaml-file }}
          mkdir -p upload
          find . -maxdepth 1 -type f \( -name '*.qcow2' -o -name '*.kernel' -o -name '*.initramfs' \) -exec cp {} upload/ \;
        env:
          DIB_RELEASE: ${{ env.release }}
          ELEMENTS_PATH: "${{ env.distro == 'ipa-debian' && format('{0}/share/ironic-python-agent-builder/dib:{1}/ironic-images/custom_elements', env.pythonLocation, github.workspace) || ''}}"

      - name: Set timestamp environment variable
        run: echo "TIMESTAMP=$(git show --no-patch --no-notes --pretty='%cd' --date=format:'%Y%m%d%H%M%S' ${{ github.sha }})" >>  $GITHUB_ENV

      - name: Publish Release
        id: create_release
        uses: softprops/action-gh-release@e7a8f85e1c67a31e6ed99a94b41bd0b71bbee6b8 # v2
        with:
          name: understack-images
          tag_name: understack-images-${{ env.TIMESTAMP }}
          make_latest: true
          fail_on_unmatched_files: true
          files: ironic-images/upload/*
        if: ${{ github.ref == 'refs/heads/main' }}