deploy.yml

name: Deploy to GCP

on:
  push:
    branches:
      - Master
  
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up JDK 21
        uses: actions/setup-java@v3
        with:
          java-version: '21'
          distribution: 'adopt'

      - name : Override APPLICATION PROPERTIES
        run : echo "${{ secrets.APPLICATION_PROPERTIES }}" > ./src/main/resources/application.properties
      
      - name: Configure Production Properties
        run: |
          touch ./src/main/resources/application-prod.properties
          echo "${{ secrets.APPLICATION_PROD_PROPERTIES }}" > ./src/main/resources/application-prod.properties

      - name: Configure GCS Properties
        run: |
          touch ./src/main/resources/application-gcs.properties
          echo "${{ secrets.APPLICATION_GCS_PROPERTIES }}" > ./src/main/resources/application-gcs.properties

      - name: Configure Test Properties
        run: |
          touch ./src/main/resources/application-test.properties
          echo "${{ secrets.APPLICATION_TEST_PROPERTIES }}" > ./src/main/resources/application-test.properties

      - name: gradlew에 실행 권한 부여
        run: chmod +x ./gradlew
      
      - name: 배포 파일 생성
        run: ./gradlew bootJar

      - name: Upload JAR file
        uses: actions/upload-artifact@v3
        with:
          name: team18-be-jar
          path: build/libs/team18-be-0.0.1-SNAPSHOT.jar
          
  deploy:
    runs-on: ubuntu-latest
    needs: build

    steps:
      - name: Download JAR file
        uses: actions/download-artifact@v3
        with:
          name: team18-be-jar

      - name: Authenticate with GCP
        uses: google-github-actions/auth@v1
        with:
          credentials_json: "${{ secrets.GCP_SERVICE_ACCOUNT_KEY }}"
      
      - name: Set up Google Cloud SDK
        uses: google-github-actions/setup-gcloud@v1
        with:
          project_id: ${{ secrets.GCP_PROJECT_ID }}

      - name: Get GitHub Actions Runner IP
        id: get_ip
        run: |
          echo $(curl -s https://api64.ipify.org) > RUNNER_IP.txt

      - name: Add GitHub Actions IP to GCP Firewall
        run: |
          RUNNER_IP=$(cat RUNNER_IP.txt)
          
          # 기존의 source-ranges 값 가져오기
          EXCLUDE_IPS=$(gcloud compute firewall-rules describe default-allow-ssh --format="get(sourceRanges)" || echo "")

          # 세미콜론 제거
          EXCLUDE_IPS=$(echo $EXCLUDE_IPS | sed 's/;/,/g')
          
          # GitHub Actions IP를 추가
          gcloud compute firewall-rules update default-allow-ssh \
            --allow tcp:22 \
            --source-ranges="${EXCLUDE_IPS},${RUNNER_IP}/32"

      - name: Configure SSH private key
        run: |
          touch ./key-hirehigher
          echo "${{ secrets.HIREHIGHER_GCP_SSH_KEY }}" > ./key-hirehigher
          chmod 600 ./key-hirehigher

      - name: Add GCP VM to known_hosts
        run: |
          mkdir -p ~/.ssh
          ssh-keyscan -H "${{ secrets.GCP_VM_IP }}" >> ~/.ssh/known_hosts

      - name: Deploy to GCP
        run: |
          # scp로 VM에 jar 파일 전송
          scp -o StrictHostKeyChecking=no -i ./key-hirehigher ./team18-be-0.0.1-SNAPSHOT.jar hirehigher@${{ secrets.GCP_VM_IP }}:/home/hirehigher/repository

      - name: Remove GitHub Actions IP from GCP Firewall
        run: |
          RUNNER_IP=$(cat RUNNER_IP.txt)
          
          # 기존 firewall 규칙 가져오기
          EXCLUDE_IPS=$(gcloud compute firewall-rules describe default-allow-ssh --format="get(sourceRanges)" || echo "")
          
          # GitHub Actions IP를 제외한 source ranges 설정
          NEW_SOURCE_RANGES=$(echo $EXCLUDE_IPS | sed "s/$RUNNER_IP\/32//g" | sed 's/;/,/g')
          
          # 업데이트된 firewall 규칙 적용
          gcloud compute firewall-rules update default-allow-ssh \
            --source-ranges=$NEW_SOURCE_RANGES
            
      - name: Clean up SSH key
        run: rm ./key-hirehigher