dev.yml

name: Build and Deploy App to ECS

on:
  push:
    branches:
      - pipeline-implementation

env:
  ECR_IMAGE_TAG: "FRONTEND_V_${{ github.run_number }}"
  ECR_REPOSITORY: "dev-services"
  AWS_REGION: "ap-southeast-1"
  CLUSTER: "DEV-NGOTAG-CLUSTER"

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: read

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v3
        with:
          role-to-assume: ${{ secrets.IAM_ROLE }}
          aws-region: ${{ env.AWS_REGION }}

      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v1

      - name: Create .env file
        run: |
          echo "PUBLIC_BASE_URL=${{ secrets.PUBLIC_BASE_URL }}" > .env
          echo "PUBLIC_CRYPTO_PRIVATE_KEY=${{ secrets.PUBLIC_CRYPTO_PRIVATE_KEY }}" >> .env
          echo "PUBLIC_PLATFORM_NAME=${{ secrets.PUBLIC_PLATFORM_NAME }}" >> .env
          echo "PUBLIC_PLATFORM_LOGO=${{ secrets.PUBLIC_PLATFORM_LOGO }}" >> .env
          echo "PUBLIC_POWERED_BY=${{ secrets.PUBLIC_POWERED_BY }}" >> .env
          echo "PUBLIC_PLATFORM_WEB_URL=${{ secrets.PUBLIC_PLATFORM_WEB_URL }}" >> .env
          echo "PUBLIC_POWERED_BY_URL=${{ secrets.PUBLIC_POWERED_BY_URL }}" >> .env
          echo "PUBLIC_PLATFORM_SUPPORT_EMAIL=${{ secrets.PUBLIC_PLATFORM_SUPPORT_EMAIL }}" >> .env
          echo "PUBLIC_SHOW_NAME_AS_LOGO=${{ secrets.PUBLIC_SHOW_NAME_AS_LOGO }}" >> .env
          echo "PUBLIC_ALLOW_DOMAIN=${{ secrets.PUBLIC_ALLOW_DOMAIN }}" >> .env

      - name: Build, tag, and push image to Amazon ECR
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
          ECR_REPOSITORY: ${{ env.ECR_REPOSITORY }}
          IMAGE_TAG: ${{ env.ECR_IMAGE_TAG }}
        run: |
          docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
          docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
          docker image list

      - name: Set environment variables
        run: |
          echo "ECR_REGISTRY=${{ steps.login-ecr.outputs.registry }}" >> $GITHUB_ENV
          echo "ECR_REPOSITORY=${{ env.ECR_REPOSITORY }}" >> $GITHUB_ENV
          echo "IMAGE_TAG=${{ env.ECR_IMAGE_TAG }}" >> $GITHUB_ENV

      - name: Print environment variables
        run: |
          echo "ECR_REGISTRY: $ECR_REGISTRY"
          echo "ECR_REPOSITORY: $ECR_REPOSITORY"
          echo "IMAGE_TAG: $IMAGE_TAG"

      - name: Retrieve Repository URI
        run: |
          REPOSITORY_URI=$(aws ecr describe-repositories --repository-names ${{ env.ECR_REPOSITORY }} --region ${{ env.AWS_REGION }} | jq -r '.repositories[].repositoryUri')
          echo "REPOSITORY_URI=${REPOSITORY_URI}" >> $GITHUB_ENV

      - name: Replace executionRoleArn in task definition
        run: |
          sed -i "s#\"executionRoleArn\": \"arn:aws:iam::.*:role/ecsTaskExecutionRole\"#\"executionRoleArn\": \"arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/ecsTaskExecutionRole\"#" taskdef/frontend-taskdef.json

      - name: Update Task Definition and Service
        run: |
          FAMILY=$(sed -n 's/.*"family": "\(.*\)",/\1/p' taskdef/frontend-taskdef.json)
          
          SERVICE_NAME="frontend-ui"
          echo "SERVICE_NAME: $SERVICE_NAME"

          # Replace placeholders in the JSON file
          sed -e "s;%BUILD_NUMBER%;${{ github.run_number }};g" -e "s;%REPOSITORY_URI%;${REPOSITORY_URI};g" taskdef/frontend-taskdef.json > ${GITHUB_WORKSPACE}/${NAME}-v_${{ github.run_number }}.json

          # Debug: Print the content of the modified JSON file
          cat ${GITHUB_WORKSPACE}/${NAME}-v_${{ github.run_number }}.json

          # Register the task definition using the modified JSON file
          aws ecs register-task-definition --family ${FAMILY} --cli-input-json file://${GITHUB_WORKSPACE}/${NAME}-v_${{ github.run_number }}.json --region ${{ env.AWS_REGION }}

          SERVICE_INFO=$(aws ecs describe-services --services ${SERVICE_NAME} --cluster ${{ env.CLUSTER }} --region ${{ env.AWS_REGION }})

          # Check if the service exists
          if [ "$(echo "$SERVICE_INFO" | jq -r '.services | length')" -eq 0 ]; then
            echo "Service does not exist, creating new service..."
            # Your logic to create a new service goes here
          else
            echo "Entered existing service"
            # Extract desired count from the stored service info
            DESIRED_COUNT=$(echo "$SERVICE_INFO" | jq -r '.services[].desiredCount')
            echo "DESIRED_COUNT: $DESIRED_COUNT"

            if [ "$DESIRED_COUNT" = "0" ]; then
              DESIRED_COUNT="1"
            fi

            # Get the latest task definition revision
            REVISION=$(aws ecs describe-task-definition --task-definition ${FAMILY} --region ${{ env.AWS_REGION }} | jq -r '.taskDefinition.revision')
            echo "REVISION: $REVISION"

            # Update the existing service
            aws ecs update-service --cluster ${{ env.CLUSTER }} --region ${{ env.AWS_REGION }} --service ${SERVICE_NAME} --task-definition ${FAMILY}:${REVISION} --desired-count ${DESIRED_COUNT}
          fi