build-custom-wntp-image.yml

name: Build Customized Image for WNTP

on:
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:
    inputs:
      release_tag:
        description: 'Release tag (e.g., v1.0.0)'
        required: true
      customize_args:
        description: 'Space-separated arguments for virt-customize'
        required: true
        default: >-
          --install tcpdump,nmap,python3,keepalived,iperf3
          --root-password password:12345678
          --selinux-relabel

jobs:
  build-image:
    # TODO(eduolivares): the virt-customize command fails with ubuntu-24.04/ubuntu-latest
    runs-on: ubuntu-22.04

    # Permission needed to create a release and upload assets
    permissions:
      contents: write

    env:
      # Base image URL
      BASE_IMAGE_URL: https://dl.rockylinux.org/pub/rocky/9/images/x86_64/Rocky-9-GenericCloud-Base.latest.x86_64.qcow2
      BASE_IMAGE_FILE: Rocky-9-GenericCloud-Base.latest.x86_64.qcow2

      # Define our custom output image name
      CUSTOM_IMAGE_FILE: wntp-custom-${{ inputs.release_tag }}.qcow2

    steps:
      - name: 1. Install Dependencies
        run: |
          echo "Installing libguestfs-tools (for virt-customize) and wget"
          sudo apt-get update
          sudo apt-get install -y libguestfs-tools wget

      - name: 2. Download Base Rocky Linux Image
        run: |
          echo "Downloading from ${{ env.BASE_IMAGE_URL }}"
          wget -O ${{ env.BASE_IMAGE_FILE }} ${{ env.BASE_IMAGE_URL }}

      - name: 3. Customize Image
        run: |
          # Copy the downloaded image and give it our custom name
          sudo cp ${{ env.BASE_IMAGE_FILE }} /tmp/${{ env.CUSTOM_IMAGE_FILE }}

          echo "Running virt-customize with args: ${{ inputs.customize_args }}"

          # virt-customize modifies the image file in-place
          sudo LIBGUESTFS_BACKEND=direct virt-customize -a /tmp/${{ env.CUSTOM_IMAGE_FILE }} ${{ inputs.customize_args }}

          # Move the customized image back to the working directory
          sudo mv /tmp/${{ env.CUSTOM_IMAGE_FILE }} ${{ env.CUSTOM_IMAGE_FILE }}

          # Change ownership back to the runner user so the file can be read
          echo "Resetting file ownership..."
          sudo chown $(whoami):$(whoami) ${{ env.CUSTOM_IMAGE_FILE }}

      - name: 4. Create GitHub Release and Upload Artifact
        uses: softprops/action-gh-release@718ea10b132b3b2eba29c1007bb80653f286566b # v3
        with:
          # This is the tag you provided as input
          tag_name: ${{ inputs.release_tag }}

          # Title for the release
          name: "Custom WNTP ${{ inputs.release_tag }} Image"

          # Release description
          body: |
            Customized Rocky Linux 9 image for whitebox-neutron-tempest-plugin (WNTP) tests.

            **Base Image:** Rocky-9-GenericCloud-Base.latest.x86_64.qcow2

            **Customizations:**
            ```
            ${{ inputs.customize_args }}
            ```

          # The file(s) to upload
          files: ${{ env.CUSTOM_IMAGE_FILE }}