create-image.yml

name: "initial-image-build-workflow"

on:
  # Trigger a specific workflow run on demand without need for a code push/pull request
  workflow_dispatch:
    inputs:
      githubRepo:
        description: "Link of public github repo to deploy"
        required: true

jobs:
  create_submodule:
    permissions:
      contents: "write"

    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - id: create_student_submodule
        name: Add student's repo as a submodule
        run: |
          year=$(date '+%Y')
          user_name=$(echo "${{ github.event.inputs.githubRepo }}" | cut -d'/' -f4)
          repo_name=$(echo "${{ github.event.inputs.githubRepo }}" | cut -d'/' -f5)

          if [ ! -d submissions-${year}/${user_name}-${repo_name} ]; then
            echo "Adding ${{ github.event.inputs.githubRepo }} to ./submissions-${year}/${user_name}-${repo_name}/${user_name}-${repo_name} as a submodule"

            git config --global user.name github-actions
            git config --global user.email github-actions@github.com

            git submodule add ${{ github.event.inputs.githubRepo }} ./submissions-${year}/${user_name}-${repo_name}/${user_name}-${repo_name}
            git commit -m "Added ${user_name}-${repo_name} as a submodule by github-actions"
            git push
          else
             echo "Submodule already exists, terminating github actions"
          fi
          cd ./submissions-${year}/${user_name}-${repo_name}/
        env:
          year: ${year}
          user_name: ${user_name}
          repo_name: ${repo_name}

    outputs:
      status: ${{ steps.create_student_submodule.outcome }}
      year: ${{ steps.create_student_submodule.env.year }}
      user_name: ${{ steps.create_student_submodule.env.user_name }}
      repo_name: ${{ steps.create_student_submodule.env.repo_name }}

  create_docker_image:
    needs: create_submodule
    permissions:
      contents: "write"
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash

    if: needs.create_submodule.outputs.status == 'success'
    steps:
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.10"

      - name: Install Github dependents info
        run: pip install -U github-dependents-info

      - name: Get submodule's dependencies in JSON file
        run: |
          github-dependents-info --repo ${{ needs.create_submodule.outputs.user_name }}/${{ needs.create_submodule.outputs.repo_name }} --json

      - name: Check if the JSON file was created successfully
        run: |
          if [[ -f ${{ needs.create_submodule.outputs.user_name }}/${{ needs.create_submodule.outputs.repo_name }}.json ]]; then
            echo "${{ needs.create_submodule.outputs.user_name }}/${{ needs.create_submodule.outputs.repo_name }}.json exists!"
          else
            echo "${{ needs.create_submodule.outputs.user_name }}/${{ needs.create_submodule.outputs.repo_name }}.json does not exist!"
          fi

# need to add export DOCKER_BUILDKIT=1 before building python docker image