be-cd-prod.yml

name: BE CD for Prod

on:
  workflow_dispatch:

  push:
    branches: [ "main" ]
    paths:
      - backend/**

env:
  ARTIFACT_NAME: app-artifact
  JAR_NAME: app.jar
  APP_PATH: ~/app

jobs:
  build:
    uses: ./.github/workflows/build.yml
    with:
      profile: prod
    secrets:
      secret_yml: ${{ secrets.PROD_SECRET_YML }}

  deploy-a:
    needs: [ build ]
    uses: ./.github/workflows/self-hosted-runner-deployment.yml
    with:
      self_hosted_runner: prod-c # todo a
      artifact_name: ${{ needs.build.outputs.artifact_name }}
      jar_name: ${{ needs.build.outputs.jar_name }}
      profile: prod
      app_path: ~/app

  deploy-b:
    needs: [ build ]
    uses: ./.github/workflows/self-hosted-runner-deployment.yml
    with:
      self_hosted_runner: prod-d # todo b
      artifact_name: ${{ needs.build.outputs.artifact_name }}
      jar_name: ${{ needs.build.outputs.jar_name }}
      profile: prod
      app_path: ~/app

  deploy-rollback-notification:
    needs: [ deploy-a, deploy-b ]
    if: failure() && contains(needs.*.result, 'failure')
    runs-on: ubuntu-latest
    outputs:
      green_port_a: ${{ needs.deploy-a.outputs.green_port }}
      green_port_b: ${{ needs.deploy-b.outputs.green_port }}
    steps:
      - name: Send notification to Discord # todo
        run: echo "테스트입니다"

  rollback-a:
    needs: [ deploy-rollback-notification ]
    if: failure() && contains(needs.*.result, 'success')
    uses: ./.github/workflows/server-rollback.yml
    with:
      self_hosted_runner: prod-c # todo a
      port: ${{ needs.deploy-rollback-notification.outputs.green_port_a }}

  rollback-b:
    needs: [ deploy-rollback-notification ]
    if: failure() && contains(needs.*.result, 'success')
    uses: ./.github/workflows/server-rollback.yml
    with:
      self_hosted_runner: prod-d # todo b
      port: ${{ needs.deploy-rollback-notification.outputs.green_port_b }}

  nginx-config: # 여기서 시작
    needs: [ deploy-a, deploy-b ]
    runs-on: [ prod ]
    steps:
      - name: Change Nginx Config
        run: |
          ${{ env.APP_PATH }}/change_nginx_port_forwarding.sh ${{ needs.deploy.outputs.green_port }}
      
      - name: Rollback
        if: ${{ failure() }}
        run: |
          echo "Nginx Config Change failed"
          echo "Rollback Nginx Config and Green deployment"
          ${{ env.APP_PATH }}/change_nginx_port_forwarding.sh ${{ needs.deploy.outputs.blue_port }}
          sudo lsof -i :${{ needs.deploy.outputs.green_port }} | awk 'NR!=1 {print $2}' | xargs kill -9
          exit 1

  blue-down:
    needs: [ nginx-config ]
    runs-on: [ prod ]
    steps:
      - name: Blue Down
        run: |
          sudo kill -15 $(sudo lsof -t -i: ${{ needs.deploy.outputs.blue_port }})
          echo "Blue Down completed"

  on-failure:
    needs: [ blue-down ] # 알림
    runs-on: [ prod ]
    if: ${{ needs.blue-down.result == 'failure' }}
    steps:
      - name: Send Notification
        run: echo "테스트입니다"