deploy.yml

name: Deploy to DigitalOcean

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest

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

    - name: Load .mautic_env variables
      run: |
        set -a
        source .mautic_env
        set +a
        echo "MAUTIC_PORT=${MAUTIC_PORT}" >> $GITHUB_ENV

    - name: Check EMAIL_ADDRESS environment variable
      run: |
        if [ -z "${EMAIL_ADDRESS}" ]; then
          echo "Error: Missing required environment variable: EMAIL_ADDRESS"
          exit 1
        fi
      env:
        EMAIL_ADDRESS: ${{ vars.EMAIL_ADDRESS }}

    - name: Check required secrets
      env:
        DIGITALOCEAN_ACCESS_TOKEN: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
        DIGITALOCEAN_SSH_FINGERPRINT: ${{ secrets.DIGITALOCEAN_SSH_FINGERPRINT }}
        MAUTIC_PASSWORD: ${{ secrets.MAUTIC_PASSWORD }}
        SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
      run: |
        error_missing_secrets=()
        check_secret() {
          if [ -z "${!1}" ]; then
            error_missing_secrets+=("$1")
          fi
        }

        check_secret "DIGITALOCEAN_ACCESS_TOKEN"
        check_secret "DIGITALOCEAN_SSH_FINGERPRINT"
        check_secret "MAUTIC_PASSWORD"
        check_secret "SSH_PRIVATE_KEY"

        if [ ${#error_missing_secrets[@]} -ne 0 ]; then
          echo "Error: Missing required secrets: ${error_missing_secrets[*]}"
          exit 1
        fi

    - name: Install doctl
      uses: digitalocean/action-doctl@v2
      with:
        token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}

    - name: Create VPS if it doesn't exist
      run: |
        if ! doctl compute droplet list | grep -q 'mautic-vps'; then
          doctl compute droplet create mautic-vps --image docker-20-04 --size s-1vcpu-1gb --region nyc1 --ssh-keys ${{ secrets.DIGITALOCEAN_SSH_FINGERPRINT }} --wait --user-data-file setup-vps.sh --enable-monitoring
          echo "droplet_created=true" >> $GITHUB_ENV
        else
          echo "Droplet 'mautic-vps' already exists."
          echo "droplet_created=true" >> $GITHUB_ENV
        fi

    - name: Get VPS IP
      run: |
        echo "Waiting for droplet to be ready..."
        while : ; do
          echo "."
          sleep 2
          STATUS=$(doctl compute droplet get mautic-vps --format Status --no-header)
          if [ "$STATUS" = "active" ]; then
            IP=$(doctl compute droplet get mautic-vps --format PublicIPv4 --no-header)
            if [ -n "$IP" ]; then
              echo "Droplet is active. IP address: $IP"
              break
            fi
          fi
        done
        echo "ip=$IP" >> $GITHUB_ENV

    - name: Wait for server to be accessible
      run: |
        echo "Waiting for server at ${{ env.ip }} to be accessible..."
        while : ; do
          if nc -z ${{ env.ip }} 22; then
            echo "Server is up and accessible."
            break
          else
            echo "."
            sleep 2
          fi
        done

    - name: Prepare virtual server configuration
      if: ${{ vars.DOMAIN }}
      run: |
        DOMAIN_IP=$(dig +short ${{ vars.DOMAIN }})
        if [ "$DOMAIN_IP" == "${{ env.ip }}" ]; then
          echo "Domain ${{ vars.DOMAIN }} correctly points to the droplet IP."
          # Rename the nginx-virtual-host-template file
          mv nginx-virtual-host-template "nginx-virtual-host-${{ vars.DOMAIN }}"
          # Replace DOMAIN_NAME inside the file with the actual domain
          sed -i "s/DOMAIN_NAME/${{ vars.DOMAIN }}/g" "nginx-virtual-host-${{ vars.DOMAIN }}"
          sed -i "s/PORT/${{ env.MAUTIC_PORT }}/g" "nginx-virtual-host-${{ vars.DOMAIN }}"
          cat nginx-virtual-host-${{ vars.DOMAIN }} # debug
        else
          echo "Error: Domain ${{ vars.DOMAIN }} does not point to the droplet IP."
          echo "To configure your DNS settings, access your domain registrar's DNS management page. Locate the DNS settings or DNS management section. You should create or update an A record with the following details: Name: @ (or your subdomain, e.g., www if your domain is www.example.com), Type: A, Value: ${{ env.ip }}. This change will point ${{ vars.DOMAIN }} to the IP address ${{ env.ip }}. Note that DNS changes can take up to 48 hours to propagate globally."
          exit 1
        fi

    - name: Prepare setup-dc.sh script
      run: |
        # Replace placeholders in setup-dc.sh
        sed -i "s/{{IP_ADDRESS}}/${{ env.ip }}/g" setup-dc.sh
        sed -i "s/{{PORT}}/${{ env.MAUTIC_PORT }}/g" setup-dc.sh
        sed -i "s/{{EMAIL_ADDRESS}}/${{ env.EMAIL_ADDRESS }}/g" setup-dc.sh
        sed -i "s/{{MAUTIC_PASSWORD}}/${{ secrets.MAUTIC_PASSWORD }}/g" setup-dc.sh
        if [ ! -z "${{ env.DOMAIN }}" ]; then
          sed -i "s/{{DOMAIN_NAME}}/${{ env.DOMAIN }}/g" setup-dc.sh
        fi
        cat setup-dc.sh # debug
      env:
        EMAIL_ADDRESS: ${{ vars.EMAIL_ADDRESS }}
        DOMAIN: ${{ vars.DOMAIN }}

    - name: Deploy to Server
      uses: easingthemes/ssh-deploy@main
      with:
        SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
        ARGS: "-rlgoDzvc"
        SOURCE: "."
        REMOTE_HOST: ${{ env.ip }}
        REMOTE_USER: root
        TARGET: /var/www
        EXCLUDE: ".git"
        SCRIPT_BEFORE: mkdir -p /var/www
        SCRIPT_AFTER: /var/www/setup-dc.sh > /var/log/setup-dc.log 2>&1

    - name: Open your Mautic instance
      run: |
        if [ -z "${DOMAIN}" ]; then
          echo "You can visit the Mautic installation at http://${{ env.ip }}:${{ env.MAUTIC_PORT }}"
        else
          echo "You can visit the Mautic installation at http://${DOMAIN}"
        fi
      env:
        DOMAIN: ${{ vars.DOMAIN }}

    - name: Download setup-dc.log from Server
      run: |
        mkdir -p ~/.ssh
        echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
        chmod 600 ~/.ssh/id_rsa
        scp -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa root@${{ env.ip }}:/var/log/setup-dc.log ./setup-dc.log
        rm -f ~/.ssh/id_rsa
      shell: bash

    - name: Upload setup-dc.log as Artifact
      uses: actions/upload-artifact@v4
      with:
        name: setup-dc-log
        path: ./setup-dc.log