name: Build, test and publish

on:
  workflow_call:
    inputs:
      openwrt_version:
        description: OpenWrt version passed as OPENWRT_VERSION build argument (e.g. "master" or "25.12.6")
        required: true
        type: string
      ci_tag:
        description: Docker Hub tag used for the intermediate CI image (e.g. "ci-openwrt-stable")
        required: true
        type: string
      app_version_prefix:
        description: Prefix of the u-OS app version. uc-aom-packager accepts decimal numbers only.
        required: true
        type: string
      publish_tags:
        description: Space-separated Docker Hub tags that are set after the tests passed
        required: true
        type: string
      publish_versioned_tag:
        description: Additionally publish the tag "openwrt-<openwrt_version>-<git hash>"
        required: false
        type: boolean
        default: false

env:
  OPENWRT_VERSION: ${{ inputs.openwrt_version }}
  CI_IMAGE: albrechtloh/openwrt-docker:${{ inputs.ci_tag }}

jobs:
  build:
    name: Build
    runs-on: ubuntu-26.04

    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Set Swap Space
        uses: pierotofy/set-swap-space@master
        with:
          swap-size-gb: 10

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4
        with:
          driver-opts: network=host # Important to access local Docker registry

      - name: Login into Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build Docker image
        uses: docker/build-push-action@v7
        env:
          DOCKER_BUILD_RECORD_UPLOAD: false
        with:
          context: .
          push: true
          provenance: false
          platforms: |
            linux/x86_64
            linux/arm64
          build-args: |
            OPENWRT_VERSION=${{ env.OPENWRT_VERSION }}
            BUILDKIT_MULTI_PLATFORM=1
          tags: |
            ${{ env.CI_IMAGE }}
            localhost:5000/local/openwrt-docker:latest

      - name: Inspect
        run: |
          docker buildx imagetools inspect localhost:5000/local/openwrt-docker:latest

      - name: Build and export
        uses: docker/build-push-action@v7
        env:
          DOCKER_BUILD_SUMMARY: false
          DOCKER_BUILD_RECORD_UPLOAD: false
        with:
          tags: openwrt-docker:latest
          build-args: OPENWRT_VERSION=${{ env.OPENWRT_VERSION }}
          allow: security.insecure,network.host
          outputs: type=docker,dest=/tmp/openwrt-docker-image.tar

      - name: Upload artifact
        uses: actions/upload-artifact@v7
        with:
          name: OpenWrt Docker Image
          path: /tmp/openwrt-docker-image.tar

      - name: Login to Weidmueller wmucdev
        uses: docker/login-action@v4
        with:
          registry: wmucdev.azurecr.io
          username: ${{ secrets.WMUCDEV_USERNAME }}
          password: ${{ secrets.WMUCDEV_TOKEN }}

      - name: Create Weidmueller u-OS app
        id: create_u-os-app
        env:
          APP_VERSION_PREFIX: ${{ inputs.app_version_prefix }}
        run: |
          # uc-aom-packager accept only version that has to be greater than the previous one. Lets use the datetime to ensure that.
          DATETIME=$(date "+%Y%m%d%H%M%S")

          # uc-aom-packager allow only decimal numbers as version number for an unkonwn reason
          # see https://github.com/weidmueller/uc-addon/blob/main/uc-manifest.schema-doc.md#version)
          # So lets convert the git hash into a decimal value
          GIT_HASH=`git rev-parse --short HEAD`
          GIT_HASH_DECIMAL=$((16#$GIT_HASH))

          # Create app version
          APP_VERSION=$APP_VERSION_PREFIX.$DATETIME-$GIT_HASH_DECIMAL

          echo "***** Create manifest from template *****"
          mv u-os-app/manifest.json.template u-os-app/manifest.json
          sed -i 's/APPVERSION_TO_INSERT/'"$APP_VERSION"'/g' u-os-app/manifest.json
          cat u-os-app/manifest.json | grep version

          echo "***** Run uc-aom-packager to create the u-OS app *****"
          # uc-aom-packager accepts only multiarch images. "--build-arg BUILDKIT_MULTI_PLATFORM=1" has to set to ensure that.
          # uc-aom-packager needs to Docker registry credentials in a clear text file. Because of security concerns we use a local registry without credentials here.

          docker run --rm --network=host --pull=always \
          --mount src=$(pwd)/u-os-app,target=/tmp/u-os-app-openwrt,type=bind wmucdev.azurecr.io/u-control/uc-aom-packager:0 \
          uc-aom-packager push \
          -m /tmp/u-os-app-openwrt \
          -s /tmp/u-os-app-openwrt/source-credentials.json \
          -t /tmp/u-os-app-openwrt/target-credentials.json \
          -v

          echo "***** Create SWU app file*****"
          docker run --rm --network=host --pull=always \
          --mount src=$(pwd)/u-os-app,target=/tmp/u-os-app-openwrt,type=bind wmucdev.azurecr.io/u-control/uc-aom-packager:0 \
          uc-aom-packager \
          export \
          -t /tmp/u-os-app-openwrt/target-credentials.json \
          --version $APP_VERSION \
          -o /tmp/u-os-app-openwrt/u-os-app-openwrt_$APP_VERSION.swu \
          -v

          find u-os-app/

      - name: Archive artifacts (OpenWrt u-OS app)
        if: always() && steps.create_u-os-app.outcome == 'success'
        uses: actions/upload-artifact@v7
        with:
          name: OpenWrt u-OS app
          path: |
            u-os-app/u-os-app-openwrt_*.swu/linux-arm64/*.swu
            u-os-app/u-os-app-openwrt_*.swu/linux-amd64/*.swu
          if-no-files-found: error

  sbom:
    name: SBOM generation
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Generate alpine SBOM
        uses: anchore/sbom-action@v0
        with:
          image: ${{ env.CI_IMAGE }}
          upload-artifact: false
          format: cyclonedx-json
          output-file: alpine_sbom.json

      - name: Prepare OpenWrt rootfs
        run: |
          # Use automated generated image (commented "#image:" lines are not touched)
          sed -i "s|^\(\s*\)image: .*|\1image: $CI_IMAGE|" docker-compose.yml
          grep -n "image:" docker-compose.yml

          # Run OpenWrt container for some time to install additional IPKs
          set +e # Enable that the next command can fail
          timeout --preserve-status 60 docker compose up
          set -e # Revert set +e

          # Get image from volume
          sudo find /var/lib/docker/volumes/
          IMAGE=$(sudo cat /var/lib/docker/volumes/openwrt-docker_data/_data/current_version)
          echo $IMAGE

          # Mount volume
          sudo ./src/mount_openwrt_squashfs_combined.sh "/var/lib/docker/volumes/openwrt-docker_data/_data/${IMAGE}"

      - name: Generate OpenWrt SBOM
        uses: anchore/sbom-action@v0
        with:
          path: /mnt
          upload-artifact: false
          format: cyclonedx-json
          output-file: openwrt_sbom.json

      - name: Generate web-frontend SBOM
        uses: anchore/sbom-action@v0
        with:
          path: web-frontend
          upload-artifact: false
          format: cyclonedx-json
          output-file: web-frontend_sbom.json

      - name: Generate web-backend SBOM
        uses: anchore/sbom-action@v0
        with:
          path: web-backend
          upload-artifact: false
          format: cyclonedx-json
          output-file: web-backend_sbom.json

      - name: Archive artifacts (SBOMs)
        uses: actions/upload-artifact@v7
        with:
          name: Software Bill of Material (SBOM)
          path: ./*.json
          if-no-files-found: error

  test:
    name: Test
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Download artifact
        uses: actions/download-artifact@v8
        with:
          name: OpenWrt Docker Image
          path: .

      - name: Install VMs
        run: |
          set -x
          sudo snap install multipass # need multipass >= 1.15 because of networks support

          # Workaround for "multipass_root_cert.pem': No such file or directory" issue, see https://github.com/canonical/multipass/issues/5015
          sleep 180

          # Workaround for 'multipass socket access denied'
          sudo chmod a+w /var/snap/multipass/common/multipass_socket

          multipass find

          # Set up some bridges for the VMs
          sudo ip link add lannetvm type bridge
          sudo ip link add wannetvm type bridge
          sudo ip link set dev lannetvm up
          sudo ip link set dev wannetvm up
          ip addr

          # We need to disable the firewall otherwise the tap devices are not working properly
          sudo ufw disable

          # Start VMs
          # Multipass and the OpenWrt container are using the same MAC QUI 52:54:00 which creates error. Let's use differnet MAC addresses here
          # Multipass >= 1.17 dropped blueprints (formerly "multipass launch docker"), so install Docker via cloud-init
          printf '#cloud-config\nruncmd:\n  - curl -fsSL https://get.docker.com | sh\n  - adduser ubuntu docker\n' | \
            multipass launch 24.04 --cpus 2 --memory 4G --disk 40G --timeout 1800 --cloud-init - \
            --network name=wannetvm,mac=06:00:00:11:22:33 --network name=lannetvm,mac=06:00:00:44:55:66 --name router-vm
          multipass mount $GITHUB_WORKSPACE router-vm

          multipass launch --network wannetvm --name wan-vm
          multipass launch --network lannetvm --name lan-vm

      - name: Show VM and and environments variables
        run:  |
          export
          multipass exec router-vm -- lsb_release -a
          multipass info

      - name: Load image
        run: |
          multipass exec router-vm -- docker load --input openwrt-docker-image.tar
          multipass exec router-vm -- docker image ls -a

      - name: Prepare VMs
        run: |
          # Install python
          multipass exec router-vm -- sudo apt-get -y install python3-pip python-is-python3 python3-venv

          # Install everthing for pytest
          multipass exec router-vm -- find .
          multipass exec router-vm -- bash -c 'python -m venv ~/.venv'
          multipass exec router-vm -- bash -c 'source ~/.venv/bin/activate && pip install -r test/requirements.txt'

          echo '******** router-vm IPs ********'
          multipass exec router-vm -- ip addr

          # Prepare WAN VM
          echo '******** wan-vm IPs ********'
          # Add IP address
          multipass exec wan-vm -- sudo ip addr add 192.168.22.1/24 dev eth1
          multipass exec wan-vm -- ip addr
          # Install DHCP server
          multipass exec wan-vm -- sudo sh -c 'apt-get update && apt-get install -y isc-dhcp-server && echo "default-lease-time 600;\nmax-lease-time 7200;\nsubnet 192.168.22.0 netmask 255.255.255.0 {\n  range 192.168.22.100 192.168.22.200;\n  option routers 192.168.22.1;\n  option domain-name-servers 8.8.8.8, 8.8.4.4;\n  option domain-name \"example.org\";\n}" > /etc/dhcp/dhcpd.conf && systemctl enable isc-dhcp-server && systemctl restart isc-dhcp-server'
          multipass exec wan-vm -- cat /etc/dhcp/dhcpd.conf
          # Enable NAT
          multipass exec wan-vm -- sudo modprobe iptable_nat
          multipass exec wan-vm -- sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
          multipass exec wan-vm -- sudo sysctl -w net.ipv4.ip_forward=1

          # Prepare LAN VM
          echo '******** lan-vm IPs ********'
          multipass exec lan-vm -- sudo ip addr add 172.31.1.2/24 dev eth1
          multipass exec lan-vm -- sudo ip addr add 172.31.22.2/24 dev eth1
          multipass exec lan-vm -- ip addr

          # Double check if virtual networks are working
          echo '******** host IPs ********'
          ip addr
          sudo ufw status

          echo '******** router-vm IPs ********'
          multipass exec router-vm -- sudo ip addr add 192.168.22.99/24 dev eth1
          multipass exec router-vm -- sudo ip addr add 172.31.22.99/24 dev eth2
          multipass exec router-vm -- ip addr

          echo '******** Test connection between router-vm, lan-vm and wan-vm ********'
          multipass exec router-vm -- ping -c 1 192.168.22.1 # to wan-vm
          multipass exec router-vm -- ping -c 1 172.31.22.2 # to lan-vm

      - name: Run tests
        run: |
          cat test/tests/docker-compose.yml.template
          # Run pytest
          multipass exec router-vm -- bash -c 'source ~/.venv/bin/activate && cd test/ && pytest -v -s --html=report.html --self-contained-html --reruns 3'

      - name: Archive test report
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: Test report
          path: test/*.html
          if-no-files-found: error

  publish:
    name: Publish
    needs: test
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Login into Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Tag image at Docker Hub
        env:
          PUBLISH_TAGS: ${{ inputs.publish_tags }}
          PUBLISH_VERSIONED_TAG: ${{ inputs.publish_versioned_tag }}
        run: |
          TAGS=()
          for TAG in $PUBLISH_TAGS; do
            TAGS+=(--tag "albrechtloh/openwrt-docker:$TAG")
          done

          if [ "$PUBLISH_VERSIONED_TAG" = "true" ]; then
            GIT_HASH=`git rev-parse --short HEAD`
            TAGS+=(--tag "albrechtloh/openwrt-docker:openwrt-$OPENWRT_VERSION-$GIT_HASH")
          fi

          echo "Publishing $CI_IMAGE as: ${TAGS[*]}"
          docker buildx imagetools create "${TAGS[@]}" "$CI_IMAGE"