release.yml

name: Release
permissions:
  packages: write
  contents: write
on:
  workflow_run:
    workflows: ["Build Container"]
    types:
      - completed
    branches:
      - main
      - master
  workflow_dispatch:

env:
  DOCKER_BUILDKIT: 1
  KAMAL_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
  KAMAL_REGISTRY_USERNAME: ${{ github.actor }}

jobs:
  release:
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up environment variables
        run: |
          echo "image_repository_name=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
          echo "repository_name=$(echo ${{ github.repository }} | cut -d '/' -f 2)" >> $GITHUB_ENV
          echo "repository_name_lower=$(echo ${{ github.repository }} | cut -d '/' -f 2 | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
          echo "org_name=$(echo ${{ github.repository }} | cut -d '/' -f 1)" >> $GITHUB_ENV
          if find . -maxdepth 2 -type f -name "Configure.Db.Migrations.cs" | grep -q .; then
            echo "HAS_MIGRATIONS=true" >> $GITHUB_ENV
          else
            echo "HAS_MIGRATIONS=false" >> $GITHUB_ENV
          fi
          if [ -n "${{ secrets.KAMAL_DEPLOY_IP }}" ]; then
            echo "HAS_DEPLOY_ACTION=true" >> $GITHUB_ENV
          else
            echo "HAS_DEPLOY_ACTION=false" >> $GITHUB_ENV
          fi

      # This step is for the deployment of the templates only, safe to delete
      - name: Modify deploy.yml
        if: env.HAS_DEPLOY_ACTION == 'true'
        run: |
          sed -i "s/service: my-app/service: ${{ env.repository_name_lower }}/g" config/deploy.yml
          sed -i "s#image: my-user/myapp#image: ${{ env.image_repository_name }}#g" config/deploy.yml
          sed -i "s/- 192.168.0.1/- ${{ secrets.KAMAL_DEPLOY_IP }}/g" config/deploy.yml
          sed -i "s/host: my-app.example.com/host: ${{ secrets.KAMAL_DEPLOY_HOST }}/g" config/deploy.yml
          sed -i "s/MyApp/${{ env.repository_name }}/g" config/deploy.yml

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ env.KAMAL_REGISTRY_USERNAME }}
          password: ${{ env.KAMAL_REGISTRY_PASSWORD }}

      - name: Set up SSH key
        uses: webfactory/ssh-agent@v0.9.0
        with:
          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.3.0
          bundler-cache: true

      - name: Install Kamal
        run: gem install kamal -v 2.3.0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: image=moby/buildkit:master

      - name: Kamal bootstrap
        run: kamal server bootstrap

      - name: Check if first run and execute kamal app boot if necessary
        run: |
          FIRST_RUN_FILE=".${{ env.repository_name }}"
          if ! kamal server exec --no-interactive -q "test -f $FIRST_RUN_FILE"; then
            kamal server exec --no-interactive -q "touch $FIRST_RUN_FILE" || true
            kamal deploy -q -P --version latest || true
          else
            echo "Not first run, skipping kamal app boot"
          fi          

      - name: Ensure file permissions
        run: |
          kamal server exec --no-interactive "mkdir -p /opt/docker/${{ env.repository_name }}/App_Data && chown -R 1654:1654 /opt/docker/${{ env.repository_name }}"

      - name: Migration
        if: env.HAS_MIGRATIONS == 'true'
        run: |
          kamal server exec --no-interactive 'echo "${{ env.KAMAL_REGISTRY_PASSWORD }}" | docker login ghcr.io -u ${{ env.KAMAL_REGISTRY_USERNAME }} --password-stdin'
          kamal server exec --no-interactive "docker pull ghcr.io/${{ env.image_repository_name }}:latest || true"
          kamal app exec --no-reuse --no-interactive --version=latest "--AppTasks=migrate"

      - name: Deploy with Kamal
        run: |
          kamal lock release -v
          kamal deploy -P --version latest