work.yml

name: 'work'

on:
  pull_request:
      types:
        - closed
      
jobs:
  update:
    name: 프로젝트 버전 업데이트
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true && github.base_ref == 'main'
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Set up JDK 17
        uses: actions/setup-java@v2
        with:
          java-version: '17'
          distribution: 'adopt'
      - name: Save PR labels to file
        run: echo '${{ toJson(github.event.pull_request.labels) }}' > pr_labels.json
      - name: Determine Version Increment
        id: vars
        run: |
          LABELS=$(jq -r '.[].name' pr_labels.json | tr '\n' ' ')
          echo "Detected Labels: $LABELS"
          if echo $LABELS | grep -q "major"; then
            echo "Detected major label"
            echo "::set-output name=INCREMENT::major"
          elif echo $LABELS | grep -q "minor"; then
            echo "Detected minor label"
            echo "::set-output name=INCREMENT::minor"
          elif echo $LABELS | grep -q "patch"; then
            echo "Detected patch label"
            echo "::set-output name=INCREMENT::patch"
          else
            echo "No version label detected"
            echo "::set-output name=INCREMENT::"
          fi

      - name: Grant execute permissions for gradlew
        run: chmod +x ./gradlew
      - name: Update Project Version with Gradle
        env:
            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        if: steps.vars.outputs.INCREMENT
        run: |
          ./gradlew updateVersion -Pincrement=${{ steps.vars.outputs.INCREMENT }}
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
          git add .
          git commit -m "chore: update project version based on PR label"
          git push
          
  build:
    name: 이미지 빌드 및 도커허브 푸시
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true && github.base_ref == 'main'
    needs: update
    steps:
      - uses: actions/checkout@v3
        with:
          ref: refs/heads/main
      - name: application-secret.yml 생성
        env:
          ACTIONS_STEP_DEBUG: true
          APPLICATION_SECRET: ${{ secrets.APPLICATION_SECRET_YML }}
        run: echo "$APPLICATION_SECRET" > src/main/resources/application-secret.yml
      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: 'gradle'
      - name: gradlew 실행 권한 부여
        run: chmod +x gradlew
      - name: gradle 빌드
        run: ./gradlew build --no-daemon
      - name: 빌드 버전 저장
        id: get_version
        run: echo "::set-output name=VERSION::$(./gradlew properties --no-daemon | grep "version:" | awk '{print $2}' | sed 's/-SNAPSHOT//')"
      - name: build 폴더를 캐시에 저장
        uses: actions/upload-artifact@v3
        with:
          name: build-artifact
          path: build
          retention-days: 1 
      - name: 도커 이미지 빌드 및 푸시
        run: |
          docker login -u ${{ secrets.DOCKER_HUB_USERNAME }} -p ${{ secrets.DOCKER_HUB_PASSWORD }}
          docker build -t ${{ secrets.DOCKER_REPO }}/withfestival:${{ steps.get_version.outputs.VERSION }} .
          docker push ${{ secrets.DOCKER_REPO }}/withfestival:${{ steps.get_version.outputs.VERSION }}
          
  deploy:
    name: 원격 서버에 배포
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true && github.base_ref == 'main'
    needs: build
    steps:
      - name: 원격 서버에 배포하기
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.SSH_HOST }}
          username: ${{ secrets.SSH_USER }}
          password: ${{ secrets.SSH_PASSWORD }}
          script: |
            echo ${{ secrets.DOCKER_HUB_PASSWORD }} | sudo docker login -u ${{ secrets.DOCKER_HUB_USERNAME }} --password-stdin

            sudo docker stop withfestival_app || true
            sudo docker rm withfestival_app || true

            # Get the image ID of the currently running container
            PREVIOUS_IMAGE_ID=$(sudo docker inspect withfestival_app --format '{{.Image}}')

            # Search Latest Image Version
            VERSION=$(curl -s "https://registry.hub.docker.com/v2/repositories/${{ secrets.DOCKER_REPO }}/withfestival/tags/" | \
             jq -r '.results[].name' | sort -V | tail -n 1)

            # Docker Image Run
            sudo docker pull ${{ secrets.DOCKER_REPO }}/withfestival:${VERSION}
            if ! sudo docker run --name=withfestival_app --network docker-net --restart unless-stopped \
             -p 8080:8080 -e TZ=Asia/Seoul -d ${{ secrets.DOCKER_REPO }}/withfestival:${VERSION}; then
                echo "Docker run failed, rolling back to previous image..."
                sudo docker run --name=withfestival_app --network docker-net --restart unless-stopped \
                -p 8080:8080 -e TZ=Asia/Seoul -d $PREVIOUS_IMAGE_ID
            else
                # Remove old images if docker run succeeds
                sudo docker image prune -f
            fi