backend-prod-cd.yml

name: backend-prod-cd

on:
  pull_request:
    branches: [ "main" ]
    types: [closed]
    
jobs:
  build:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    permissions:
      contents: read
      
    steps:
    - name: Checkout Repository
      uses: actions/checkout@v4
      
    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'

    - name: Setup Gradle
      uses: gradle/gradle-build-action@v3
      with:
        gradle-version: 8.8

    - name: Grant execute permission for gradlew
      run: chmod +x backend/bang-ggood/gradlew

    - name: Write application.yml
      env:
        APPLICATION_YML: ${{ secrets.APPLICATION_YML }}
        APPLICATION_PROD_YML: ${{ secrets.APPLICATION_PROD_YML }}
        APPLICATION_TEST_YML: ${{ secrets.APPLICATION_TEST_YML }}
        APPLICATION_READ_WRITE_TEST_YML: ${{ secrets.APPLICATION_READ_WRITE_TEST_YML }}
        
      run: |
        echo "${APPLICATION_YML}" > backend/bang-ggood/src/main/resources/application.yml
        echo "${APPLICATION_PROD_YML}" > backend/bang-ggood/src/main/resources/application-prod.yml
        echo "${APPLICATION_TEST_YML}" > backend/bang-ggood/src/test/resources/application-test.yml
        echo "${APPLICATION_READ_WRITE_TEST_YML}" > backend/bang-ggood/src/test/resources/application-read-write-test.yml

    - name: Build with Gradle
      run: ./gradlew clean build
      working-directory: backend/bang-ggood

    - name: Upload build artifact
      uses: actions/upload-artifact@v3
      with:
        working-directory: backend/bang-ggood
        name: bang-ggood-be-develop-jar
        path: ./**/*.jar

  deploy1:
    needs: build
    runs-on: bang-ggood-prod1
    steps:
      - name: change permission
        run: sudo chown -R ubuntu:ubuntu /home/ubuntu/actions-runner/_work/2024-bang-ggood

      - name: Download build artifact
        uses: actions/download-artifact@v3
        with:
          name: bang-ggood-be-develop-jar

      - name: Create unhealth_flag file
        run: echo "unhealth" | sudo tee /etc/nginx/sites-available/unhealth_flag.txt > /dev/null

      - name: Sleep for 30 seconds to be unhealthy
        run: sleep 30

      - name: Turn off the server 8080 if runs
        run: sudo fuser -k -n tcp 8080 || true
        
      - name: Start server
        run: sudo nohup java -jar -Dspring.profiles.active=prod -Duser.timezone=Asia/Seoul ./backend/bang-ggood/build/libs/*SNAPSHOT.jar > /home/ubuntu/actions-runner/server.log 2>&1 &

      - name: Delete unhealth_flag file
        run: sudo rm /etc/nginx/sites-available/unhealth_flag.txt

      - name: Sleep for 30 seconds to be healthy
        run: sleep 30

      - name: Health check
        run: |
          for i in {1..2}; do
            RESPONSE=$(curl -s -w "%{http_code}" -o /dev/null http://localhost:8080/health-check)
            echo "Response: $RESPONSE"
            if [ "$RESPONSE" -eq 200 ]; then
              echo "Health check passed"
              exit 0
            fi
            echo "Waiting for server to be healthy..."
            sleep 10
          done
          echo "Health check failed"
          exit 1

  deploy2:
    needs: deploy1
    runs-on: bang-ggood-prod2
    steps:
      - name: change permission
        run: sudo chown -R ubuntu:ubuntu /home/ubuntu/actions-runner/_work/2024-bang-ggood

      - name: Download build artifact
        uses: actions/download-artifact@v3
        with:
          name: bang-ggood-be-develop-jar

      - name: Create unhealth_flag file
        run: echo "unhealth" | sudo tee /etc/nginx/sites-available/unhealth_flag.txt > /dev/null

      - name: Sleep for 30 seconds to be unhealthy
        run: sleep 30

      - name: Turn off the server 8080 if runs
        run: sudo fuser -k -n tcp 8080 || true
        
      - name: Start server
        run: sudo nohup java -jar -Dspring.profiles.active=prod -Duser.timezone=Asia/Seoul ./backend/bang-ggood/build/libs/*SNAPSHOT.jar > /home/ubuntu/actions-runner/server.log 2>&1 &

      - name: Delete unhealth_flag file
        run: sudo rm /etc/nginx/sites-available/unhealth_flag.txt

      - name: Sleep for 30 seconds to be healthy
        run: sleep 30