deploy.yml

name: Spring Push CI/CD (v 1.3)

env:
  IMAGE_TAG: 1.0.0

on:
  push:
    branches:
      - feat/ci-cd

jobs:

  test:
    runs-on: ubuntu-latest
    steps:

      - name: 1. checkout repo
        uses: actions/checkout@v2 # 깃허브 액션이 코드가져옴

      - name: 2. run test
        run: ./gradlew test

      - name: 3. set up JDK 21
        uses: actions/setup-java@v2
        with:
          java-version: 21
          distribution: 'temurin'

      - name: 3. grant execute permission for gradlew
        run: chmod +x gradlew

      - name: 4. run tests
        run: #./gradlew test
  build-and-push:
    needs: test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2 # 깃허브 액션이 코드가져옴

      - name: Docker Hub Login
        uses: docker/login-action@v3
        with:
          username: ${{secrets.DOCKER_USERNAME}}
          password: ${{secrets.DOCKER_TOKEN}}

      - name: Spring Image Build and Push
        run: |
          docker build --platform linux/amd64 \
            -t ${{ secrets.DOCKER_USERNAME }}/not-me-be:1.0.0 \
            --push .
  
  
  

  deploy:
    needs: build-and-push
    runs-on: ubuntu-latest
    steps:


      # 1. SSH 초기 설정
      - name: Set up SSH
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
      
      
      
      
      

      # 2. 깃허브 액션에서 env 생성
      - name: Create .env file
        run: |
          echo "RDS_DNS=${{ secrets.RDS_DNS }}" >> .env
          echo "MYSQL_DATABASE=${{ secrets.MYSQL_DATABASE }}" >> .env
          echo "MYSQL_ROOT_PASSWORD=${{ secrets.MYSQL_ROOT_PASSWORD }}" >> .env
          echo "IMAGE=${{ secrets.IMAGE }}" >> .env    

      # 3. 깃허브 액션에 AWS CLI 설치
      - name: Install AWS CLI
        uses: unfor19/install-aws-cli-action@v1
        with:
          version: 2

      # 4. 깃허브 액션 CLI 환경변수 설정
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v3
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: ap-northeast-2

      # 5. BE1 인스턴스 퍼블릭 IP 반환
      - name: Get BE1 Public IP
        run: |
          BE1_IP=$(aws ec2 describe-instances \
            --filters "Name=tag:Name,Values=Our-Universe-BE1" \
                      "Name=instance-state-name,Values=running" \
            --query "Reservations[].Instances[].PublicIpAddress" \
            --output text \
          )
          echo "BE1_IP=$BE1_IP" >> $GITHUB_ENV
          echo "불러온 BE1 IP => $BE1_IP"


      # 6. B2 IP 가져오기
      - name: Get BE2 Public IP
        run: |
          BE2_IP=$(aws ec2 describe-instances \
            --filters "Name=tag:Name,Values=Our-Universe-BE2" \
                      "Name=instance-state-name,Values=running" \
            --query "Reservations[].Instances[].PublicIpAddress" \
            --output text \
          )
          echo "BE2_IP=$BE2_IP" >> $GITHUB_ENV
          echo "불러온 BE2 IP => $BE2_IP"



      # 7. B1에 .env 전송
      - name: Upload .env to BE1
        run: |
          scp -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa .env \
          ubuntu@$BE1_IP:/home/${{secrets.SERVER_USER}}/AWS_DOCKER/be


      # 8. B2에 .env 전송
      - name: Upload .env to BE2
        run: |
          scp -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa .env \
          ubuntu@$BE2_IP:/home/${{secrets.SERVER_USER}}/AWS_DOCKER/be
      
      
      

      # 9. BE1 배포
      - name: Deploy to BE1
        run: |
          ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa ubuntu@$BE1_IP 'bash -s' <<'EOF'
            set -e
            cd /home/ubuntu/AWS_DOCKER/be
            docker compose down
            docker compose pull
            docker compose up -d
          EOF



      # 10. BE2 배포
      - name: Deploy to BE2
        run: |
          ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa ubuntu@$BE2_IP 'bash -s' <<'EOF'
            set -e
            cd /home/ubuntu/AWS_DOCKER/be
            docker compose down
            docker compose pull
            docker compose up -d
          EOF