name: Infrastructure
on:
  pull_request:
    branches:
      - main
    paths:
      - infra/**playbook.yaml
      - .github/workflows/infra.yaml
  push:
    branches:
      - main

env:
  DEPLOY: ${{ github.ref == 'refs/heads/main' && ((startsWith(github.event.head_commit.message, '[deploy-all]') && 'all') || ('some')) || 'none' }}

jobs:
  ansible-playbooks:
    name: Check and run Ansbile playbooks
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: ${{ env.DEPLOY == 'some' && 2 || 1 }}

      - name: Install dependencies
        run: |
          apt update
          apt install -y python3-pip
          pip3 install -r requirements.txt
          ansible-galaxy collection install community.general

      - name: Check playbooks
        run: |
          for file in $(find . -wholename "*/infra/*playbook.yaml" -type f); do
            ansible-playbook --inventory ./inventory --syntax-check "$file"
          done

      - name: Get changed playbooks
        id: files
        if: env.DEPLOY == 'some'
        uses: tj-actions/changed-files@v38
        with:
          files: infra/**/*playbook.yaml

      - name: Get playbooks
        id: playbooks
        if: env.DEPLOY != 'none'
        run: |
          if [[ "${{ env.DEPLOY }}" == "some" ]]; then
            export TO_RUN="${{ steps.files.outputs.all_changed_files }}"
          else
            export TO_RUN="$(find . -wholename './infra/*playbook.yaml' -type f)"
          fi
          export TO_RUN="$( echo -n $TO_RUN | tr ' ' '\n' | sort | tr '\n' ' ' )" # run things in order :)
          echo "will run playbooks: $TO_RUN"
          echo "to_run=$TO_RUN" >> "$GITHUB_OUTPUT"

      - name: Setup environment
        if: env.DEPLOY != 'none' && steps.playbooks.outputs.to_run != ''
        run: |
          mkdir -p -m 700 ~/.ssh
          echo "${{ secrets.SSH_PRIVATE }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa

      - name: Run playbooks
        if: env.DEPLOY != 'none' && steps.playbooks.outputs.to_run != ''
        env:
          PROXMOX_HOST: ${{ secrets.PROXMOX_HOST }}
          PROXMOX_USER: ${{ secrets.PROXMOX_USER }}
          PROXMOX_TOKEN_ID: ${{ secrets.PROXMOX_TOKEN_ID }}
          PROXMOX_TOKEN_SECRET: ${{ secrets.PROXMOX_TOKEN_SECRET }}
          SSH_PUBLIC: ${{ secrets.SSH_PUBLIC }}
        run: ansible-playbook --inventory ./inventory ${{ steps.playbooks.outputs.to_run }} -vv