deploy.yml

name: Deploy Angelos-UI

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Print Repository Variables
        run: |
          echo "VM_HOST: ${{ vars.VM_HOST }}"
          echo "VM_USERNAME: ${{ vars.VM_USERNAME }}"

      - name: Test SSH Key Access
        run: |
          if [ -z "${{ secrets.VM_SSH_PRIVATE_KEY }}" ]; then
            echo "SSH private key not found!"
          else
            echo "SSH private key exists."
          fi

      - name: Test SSH Connection
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ vars.VM_HOST }}
          username: ${{ vars.VM_USERNAME }}
          key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
          proxy_host: ${{ vars.DEPLOYMENT_GATEWAY_HOST }}
          proxy_username: ${{ vars.DEPLOYMENT_GATEWAY_USER }}
          proxy_key: ${{ secrets.DEPLOYMENT_GATEWAY_SSH_KEY }}
          proxy_port: ${{ vars.DEPLOYMENT_GATEWAY_PORT }}
          command_timeout: 1m
          script: |
            echo "SSH connection successful!"

      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Check if Docker network exists and create it if not
        run: |
          if ! docker network inspect angelos-network >/dev/null 2>&1; then
            echo "Network 'angelos-network' does not exist, creating it..."
            docker network create angelos-network
          else
            echo "Network 'angelos-network' already exists."
          fi

      - name: Build and Push to GitHub Container Registry
        uses: docker/build-push-action@v6
        with:
          platforms: amd64, arm64
          file: ./Dockerfile
          context: .
          tags: ghcr.io/ls1intum/eunomnia:latest
          push: true

  deploy:
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: checkout
        uses: actions/checkout@v4

      - name: Copy Docker Compose File From Repo to VM Host
        uses: appleboy/scp-action@v0.1.7
        with:
          host: ${{ vars.VM_HOST }}
          username: ${{ vars.VM_USERNAME }}
          key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
          proxy_host: ${{ vars.DEPLOYMENT_GATEWAY_HOST }}
          proxy_username: ${{ vars.DEPLOYMENT_GATEWAY_USER }}
          proxy_key: ${{ secrets.DEPLOYMENT_GATEWAY_SSH_KEY }}
          proxy_port: ${{ vars.DEPLOYMENT_GATEWAY_PORT }}
          source: "./docker-compose.yml"
          target: /home/${{ vars.VM_USERNAME }}


      - name: SSH to VM and Execute Docker-Compose Up
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ vars.VM_HOST }}
          username: ${{ vars.VM_USERNAME }}
          key: ${{ secrets.VM_SSH_PRIVATE_KEY }}
          proxy_host: ${{ vars.DEPLOYMENT_GATEWAY_HOST }}
          proxy_username: ${{ vars.DEPLOYMENT_GATEWAY_USER }}
          proxy_key: ${{ secrets.DEPLOYMENT_GATEWAY_SSH_KEY }}
          proxy_port: ${{ vars.DEPLOYMENT_GATEWAY_PORT }}
          script: |
            docker compose -f /home/${{ vars.VM_USERNAME }}/docker-compose.yml --env-file=.env.prod up --pull=always -d