main.yml

name: CI/CD Pipeline for DigitalOcean Droplet

on:
  push:
    branches:
      - cicd

jobs:
  redeploy:
    runs-on: ubuntu-latest
    
    steps:
      # Step 1: Checkout the code
      - name: Checkout code
        uses: actions/checkout@v3

      # Step 2: Set up SSH for DigitalOcean access
      - name: Set up SSH
        uses: webfactory/ssh-agent@v0.5.4
        with:
          ssh-private-key: ${{ secrets.SSH_KEY }}

      # Step 3: Determine which servers had changes
      - name: Check changes in files
        id: check_files
        run: |
          CHATBOT_MAIN_CHANGED=false
          CHATBOT_PROCESS_CHANGED=false

          if git diff --name-only HEAD^ HEAD | grep -q 'chatbotmain/'; then
            CHATBOT_MAIN_CHANGED=true
          fi

          if git diff --name-only HEAD^ HEAD | grep -q 'chatbotprocess/'; then
            CHATBOT_PROCESS_CHANGED=true
          fi

          echo "::set-output name=main_changed::${CHATBOT_MAIN_CHANGED}"
          echo "::set-output name=process_changed::${CHATBOT_PROCESS_CHANGED}"

      # Step 4: Deploy to the affected servers (both chatbotmain and chatbotprocess if needed)
      - name: Deploy to DigitalOcean
        run: |
          ssh -o StrictHostKeyChecking=no ubuntu@${{ secrets.SSH_HOST }} << EOF
            # Check if chatbotmain needs to be redeployed
            if [ "${{ steps.check_files.outputs.main_changed }}" = "true" ]; then
              CONTAINER_ID=\$(sudo docker ps -q --filter "name=chatbotmain")
              if [ "\$CONTAINER_ID" ]; then
                echo "Stopping and removing container chatbotmain..."
                sudo docker stop \$CONTAINER_ID
                sudo docker rm \$CONTAINER_ID

                IMAGE_ID=\$(sudo docker images -q chatbotmain)
                if [ "\$IMAGE_ID" ]; then
                  echo "Removing image chatbotmain..."
                  sudo docker rmi -f \$IMAGE_ID
                fi
              fi

              echo "Rebuilding and running container chatbotmain..."
              sudo docker build -t chatbotmain .
              sudo docker run -d -p 8000:8000 chatbotmain
            fi

            # Check if chatbotprocess needs to be redeployed
            if [ "${{ steps.check_files.outputs.process_changed }}" = "true" ]; then
              CONTAINER_ID=\$(sudo docker ps -q --filter "name=chatbotprocess")
              if [ "\$CONTAINER_ID" ]; then
                echo "Stopping and removing container chatbotprocess..."
                sudo docker stop \$CONTAINER_ID
                sudo docker rm \$CONTAINER_ID

                IMAGE_ID=\$(sudo docker images -q chatbotprocess)
                if [ "\$IMAGE_ID" ]; then
                  echo "Removing image chatbotprocess..."
                  sudo docker rmi -f \$IMAGE_ID
                fi
              fi

              echo "Rebuilding and running container chatbotprocess..."
              sudo docker build -t chatbotprocess .
              sudo docker run -d -p 9000:9000 chatbotprocess
            fi
          EOF