gradle.yml

name: Java CI with Gradle

on:
  push:
    branches: [ "master" ]

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    steps:

      - name: checkout
        uses: actions/checkout@v3

      - name: Set up JDK 11
        uses: actions/setup-java@v3
        with:
          java-version: '11'
          distribution: 'temurin'

      ## create application.yml
      - name: make application.yml
        run: |
          cd ./src/main/resources
          
          ## application.yml 파일 생성
          touch ./application.yml
          
          ## GitHub-Actions 에서 설정한 값을 application.yml 파일에 쓰기
          echo "${{ secrets.APPLICATION }}" >> ./application.yml
          
          ## application-oauth2.yml 파일 생성
          touch ./application-oauth2.yml
          
          ## GitHub-Actions 에서 설정한 값을 application-oauth2.yml 파일에 쓰기
          echo "${{ secrets.APPLICATION_OAUTH2 }}" >> ./application-oauth2.yml

        shell: bash

      ## build Docker and Push Docker Hub
      - name: build with Gradle
        run: ./gradlew --exclude-task test
      - name: build Docker
        run: |
          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
          docker build -t ${{ secrets.DOCKER_REPO }} .
          docker push ${{ secrets.DOCKER_REPO }}:latest

      - name: Run scripts in server
        uses: appleboy/ssh-action@master
        with:
          key: ${{ secrets.SSH_KEY }}
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          script: |
            sudo docker pull ${{ secrets.DOCKER_REPO }}:latest
            
            echo "실행 중인 도커 확인.."
            RUNNING_SERVER=$(sudo docker ps --format 'table{{.Names}}' | grep AA)
            if [ -z "${RUNNING_SERVER}"]
            then 
              echo "BB 가 실행중입니다. BB -> AA 서버 교체를 진행합니다.."
              START_CONTAINER=AA
              TERMINATE_CONTAINER=BB
              START_PORT=8080
              TERMINATE_PORT=8081
              sudo docker run -d -p 8080:8080 --name AA --log-driver=awslogs --log-opt awslogs-region=ap-northeast-2 --log-opt awslogs-group=${{ secrets.LOG_GROUP_NAME }} --log-opt awslogs-stream=${{ secrets.LOG_STREAM_NAME }} ${{ secrets.DOCKER_REPO }}
            else
              echo "AA가 실행중입니다. AA -> BB 서버 교체를 진행합니다.."
              START_CONTAINER=BB
              TERMINATE_CONTAINER=AA
              START_PORT=8081
              TERMINATE_PORT=8080
              sudo docker run -d -p 8081:8080 --name BB --log-driver=awslogs --log-opt awslogs-region=ap-northeast-2 --log-opt awslogs-group=${{ secrets.LOG_GROUP_NAME }} --log-opt awslogs-stream=${{ secrets.LOG_STREAM_NAME }} ${{ secrets.DOCKER_REPO }}
            fi
            
            for cnt in {1..10} 
            do
                echo "check server start.."
                
                UP=$(curl -s http://127.0.0.1:${START_PORT}/actuator/health | grep 'UP')
                if [ -z "${UP}" ] 
                then
                    echo "서버가 아직 실행되지 않았습니다.."
                else
                    echo "서버 실행이 확인 되었습니다."
                    break
                fi
                
                echo "10초간 대기 합니다.." 
                sleep 10
            done
              
            if [ $cnt -eq 10 ] 
            then
              echo "deployment failed."
              exit 1
            fi
            
            echo "server start!"
            
            echo "change nginx server port"
            sudo sed -i "s/${TERMINATE_PORT}/${START_PORT}/" /etc/nginx/conf.d/service-url.inc
            sudo service nginx restart
            
            sudo docker stop ${TERMINATE_CONTAINER}
            sudo docker rm ${TERMINATE_CONTAINER}
            sudo docker image prune -f