Merge pull request #244 from kakao-tech-campus-2nd-step3/docs/#185-re… #198
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| name: Java CI with Gradle | |
| # Master, develop, weekly/* 브랜치에 push가 발생할 경우 동작한다. | |
| on: | |
| push: | |
| branches: [ "Master", "develop", "weekly/*" ] | |
| permissions: | |
| contents: read | |
| jobs: | |
| # Spring Boot 애플리케이션을 빌드하여 도커허브에 푸시하는 과정 | |
| build-docker-image: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| # Java 17 세팅 | |
| - name: Set up JDK 17 | |
| uses: actions/setup-java@v4 | |
| with: | |
| java-version: '17' | |
| distribution: 'temurin' | |
| # Gradle Wrapper 파일 실행 권한 주기 | |
| - name: Run chmod to make gradlew executable | |
| run: chmod +x ./gradlew | |
| # Spring Boot 애플리케이션 빌드 | |
| - name: Build with Gradle | |
| uses: gradle/gradle-build-action@67421db6bd0bf253fb4bd25b31ebb98943c375e1 | |
| with: | |
| arguments: clean bootJar | |
| # 테스트 실행 | |
| # - name: Run tests | |
| # run: ./gradlew test | |
| # Docker 이미지 빌드 | |
| - name: docker image build | |
| run: docker build -t ${{ secrets.DOCKERHUB_USERNAME }}/inplace . | |
| # DockerHub 로그인 | |
| - name: docker login | |
| uses: docker/login-action@v2 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_PASSWORD }} | |
| # Docker Hub 이미지 푸시 | |
| - name: docker Hub push | |
| run: docker push ${{ secrets.DOCKERHUB_USERNAME }}/inplace | |
| # 위 과정에서 푸시한 이미지를 ec2에서 풀받아서 실행시키는 과정 | |
| run-docker-image-on-ec2: | |
| # build-docker-image 과정이 완료되어야 실행된다. | |
| needs: build-docker-image | |
| runs-on: self-hosted | |
| # weekly/* 브랜치에서는 실행되지 않도록 조건 추가 | |
| if: startsWith(github.ref, 'refs/heads/Master') || startsWith(github.ref, 'refs/heads/develop') | |
| steps: | |
| # 최신 이미지를 pull | |
| - name: docker pull | |
| run: sudo docker pull ${{ secrets.DOCKERHUB_USERNAME }}/inplace | |
| # 현재 실행 중인 버전을 확인 | |
| - name: Check current active container | |
| id: check_version | |
| run: | | |
| CURRENT_VERSION=$(sudo docker ps --format "{{.Names}}" | grep -oE "inplace-(blue|green)" || echo "") | |
| if [[ -z "$CURRENT_VERSION" ]]; then | |
| echo "No active container found" | |
| echo "current_version=none" >> $GITHUB_ENV | |
| else | |
| CURRENT_VERSION=$(echo "$CURRENT_VERSION" | grep -oE "(blue|green)") | |
| echo "Current running version is $CURRENT_VERSION" | |
| echo "current_version=${CURRENT_VERSION}" >> $GITHUB_ENV | |
| fi | |
| # 다음 배포 버전을 결정 | |
| - name: Set next version | |
| run: | | |
| if [[ "${{ env.current_version }}" == "blue" ]]; then | |
| NEXT_VERSION="green" | |
| PORT=8081 | |
| else | |
| NEXT_VERSION="blue" | |
| PORT=8080 | |
| fi | |
| echo "Next version to deploy is inplace-${NEXT_VERSION}" | |
| echo "next_version=${NEXT_VERSION}" >> $GITHUB_ENV | |
| echo "port=${PORT}" >> $GITHUB_ENV | |
| # .env 파일 생성 | |
| - name: Create .env file | |
| run: | | |
| rm -f .env | |
| echo "${{ secrets.ENV }}" >> .env | |
| # 다음 버전으로 새 컨테이너를 실행 | |
| - name: Run New Container on Next Version | |
| run: | | |
| echo "Running new container inplace-${{ env.next_version }}" | |
| sudo docker run --name "inplace-${{ env.next_version }}" --rm -d -p ${{ env.port }}:8080 --env-file .env ${{ secrets.DOCKERHUB_USERNAME }}/inplace | |
| # 스프링부트 시작을 기다리기 위해 헬스 체크로 대기 | |
| - name: Wait for Spring Boot Application to Start | |
| run: | | |
| echo "Waiting for the application to be healthy on PORT: ${{ env.port }}..." | |
| for i in {1..40}; do | |
| if curl -s http://localhost:${{ env.port }}/actuator/health | grep '"status":"UP"' > /dev/null; then | |
| echo "Application is healthy" | |
| break | |
| fi | |
| echo "Waiting for new application to start...($i)" | |
| sleep 5 | |
| done | |
| if [ $i -eq 40 ]; then | |
| echo "Application failed to start after 40 attempts." | |
| exit 1 | |
| fi | |
| # 로드 밸런서 타겟 그룹을 업데이트하여 트래픽을 새 컨테이너로 전환 | |
| - name: Update Load Balancer Target Group | |
| if: success() | |
| run: | | |
| TARGET_GROUP_ARN_BLUE="${{ secrets.TARGET_GROUP_ARN_8080 }}" | |
| TARGET_GROUP_ARN_GREEN="${{ secrets.TARGET_GROUP_ARN_8081 }}" | |
| if [[ "${{ env.next_version }}" == "blue" ]]; then | |
| aws elbv2 modify-listener --listener-arn ${{ secrets.LISTENER_ARN_443 }} --default-actions Type=forward,TargetGroupArn=$TARGET_GROUP_ARN_BLUE | |
| else | |
| aws elbv2 modify-listener --listener-arn ${{ secrets.LISTENER_ARN_443 }} --default-actions Type=forward,TargetGroupArn=$TARGET_GROUP_ARN_GREEN | |
| fi | |
| # 이전 컨테이너 정리 전 드레이닝 시간 부여 | |
| - name: Wait for connection draining | |
| run: | | |
| if [[ "${{ env.current_version }}" != "none" ]]; then | |
| echo "Waiting 30 seconds for connection draining..." | |
| sleep 30 | |
| fi | |
| # 이전 컨테이너 정리 | |
| - name: Remove previous docker container | |
| run: | | |
| if [[ "${{ env.current_version }}" != "none" ]]; then | |
| echo "Removing previous container inplace-${{ env.current_version }}" | |
| sudo docker stop inplace-${{ env.current_version }} || true | |
| sudo docker rm inplace-${{ env.current_version }} || true | |
| else | |
| echo "No active container to remove" | |
| fi | |
| # 미사용 이미지를 정리 | |
| - name: delete old docker image | |
| run: sudo docker system prune -f |