name: Create and publish an ISO

on:
  push:
    branches:
      - 'main'
    tags:
      - 'v*'
  pull_request:

# Test Values
env:
  ARCH: 'x86_64'
  IMAGE_NAME: 'base'
  IMAGE_REPO: 'quay.io/fedora-ostree-desktops'
  VERSION: '39'
  VARIANT: 'Server'

jobs:
  build-container:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}

      - name: Buildah Build
        id: build-image
        uses: redhat-actions/buildah-build@v2
        with:
          containerfiles: Containerfile
          tags: ${{ steps.meta.outputs.tags }}
          
      - name: Push image
        uses: redhat-actions/push-to-registry@v2
        with:
          image: ${{ steps.build-image.outputs.image }}
          tags: ${{ steps.build-image.outputs.tags }}
          username: ${{ github.actor }}
          password: ${{ github.token }}


  build-and-push-iso:
    runs-on: ubuntu-latest
    needs:
      - build-container
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Lowercase Registry
        id: registry_case
        uses: ASzc/change-string-case-action@v6
        with:
          string: ${{ env.IMAGE_REPO }}

      - name: Get image version
        id: meta
        uses: docker/metadata-action@v5
        with:
          tags: |
            type=ref,event=branch
            type=ref,event=pr

      - name: Build ISO with new container
        uses: ./
        with:
          arch: ${{ env.ARCH}}
          image_name: ${{ env.IMAGE_NAME}}
          image_repo: ${{ env.IMAGE_REPO}}
          version: ${{ env.VERSION }}
          variant: ${{ env.VARIANT }}

      - name: Rename ISO
        run: |
          mv build/deploy.iso build/${{ env.IMAGE_NAME }}-${{ env.VERSION }}.iso

      - name: Upload ISO as artifact
        id: upload
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.IMAGE_NAME }}-${{ env.VERSION }}.iso
          path: build/*.iso
          if-no-files-found: error
          retention-days: 0
          compression-level: 0
          overwrite: true

  test-qemu:
    runs-on: ubuntu-latest
    needs:
      - build-and-push-iso
    permissions:
      contents: read
      packages: write
    steps:
      - name: Ensure qemu is installed
        run: |
          sudo apt-get update
          sudo apt-get install -y qemu qemu-utils xorriso unzip qemu-system-x86 netcat isomd5sum

      - name: Create disk
        run: |
          qemu-img create -f qcow2 disk.qcow2 50G

      - name: Download generated ISO
        uses: actions/download-artifact@v4
        with:
          name: ${{ env.IMAGE_NAME }}-${{ env.VERSION }}.iso
    
      - name: Verify ISO
        run: checkisomd5 ${{ env.IMAGE_NAME }}-${{ env.VERSION }}.iso

      - name: Add Kickstart and Grub options to ISO
        run: |
          sudo mkdir /mnt/iso
          sudo mount -o loop ${{ env.IMAGE_NAME }}-${{ env.VERSION }}.iso /mnt/iso
          cp /mnt/iso/boot/grub2/grub.cfg grub.cfg
          sed -i 's/quiet/console=ttyS0,115200n8 inst.ks=cdrom:\/ks.cfg/' grub.cfg
          sed -i 's/set default="1"/set default="0"/' grub.cfg
          cat << EOF > ks.cfg
          lang en_US.UTF-8
          keyboard us
          timezone Americas/New_York
          zerombr
          clearpart --all --initlabel
          autopart
          reboot
          user --name=core --groups=wheel --password=foobar
          %include /usr/share/anaconda/interactive-defaults.ks
          EOF
          xorriso -dialog on << EOF
          -indev base-39.iso
          -outdev test.iso
          -boot_image any replay
          -map ks.cfg ks.cfg
          -chmod 0444 ks.cfg
          -map grub.cfg boot/grub2/grub.cfg
          -end
          EOF

      - name: Install the test VM
        run: |
          timout 30m qemu-system-x86_64 -name "Anaconda" -boot d -m 4096 -cpu qemu64 -display none -cdrom test.iso -smp 2 -drive file=disk.qcow2 -serial telnet:localhost:4321,server,nowait & QEMU_PID=$!
          echo "PID: $QEMU_PID"
          timeout 1m bash -c "while ! (echo > /dev/tcp/127.0.0.1/4321); do sleep 0.1; done"
          (nc localhost 4321 | tee vm.stdout) &
          wait $QEMU_PID

      - name: Start the test VM
        run: |
          qemu-system-x86_64 -name "Anaconda" -boot c -m 4096 -cpu qemu64 -display none -smp 2 -drive file=disk.qcow2 -serial telnet:localhost:4321,server,nowait & export QEMU_PID=$!
          echo "PID: $QEMU_PID"
          timeout 1m bash -c "while ! (echo > /dev/tcp/127.0.0.1/4321); do sleep 0.1; done"
          (nc localhost 4321 | tee vm.stdout) &
          timeout 30m bash -c "while ! (grep 'login:' vm.stdout); do sleep 1; done"
          echo "VM ready for tests"