ci.yml

name: CI Pipeline

on:
  push:
    branches:
      - main
  workflow_dispatch:
jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.set_version.outputs.version }}
    services:
      mysql:
        image: mysql:8.0.29
        env:
          MYSQL_ROOT_PASSWORD: tempdbpassword
          MYSQL_DATABASE: pizza
        ports:
          - "3306:3306"
        options: >-
          --health-cmd "mysqladmin ping -ptempdbpassword"
          --health-interval 10s
          --health-start-period 10s
          --health-timeout 5s
          --health-retries 10
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: "20.x"

      - name: Install dependencies
        run: npm ci

      - name: Lint
        run: npm run lint

      - name: Write config file
        run: |
          echo "module.exports = {
            jwtSecret: '${{ secrets.JWT_SECRET }}',
            db: {
              connection: {
                host: '127.0.0.1',
                user: 'root',
                password: 'tempdbpassword',
                database: 'pizza',
                connectTimeout: 60000,
              },
              listPerPage: 10,
            },
            factory: {
              url: 'https://pizza-factory.cs329.click',
              apiKey: '${{ secrets.FACTORY_API_KEY }}',
            },
            metrics: {
              source: 'jwt-pizza-service',
              userId: ${{ secrets.METRICS_USER_ID }},
              url: '${{ secrets.METRICS_URL }}',
              apiKey: '${{ secrets.METRICS_API_KEY }}',
            },            
          };" > src/config.js

      - name: Tests
        run: npm test

      - name: set version
        id: set_version
        run: |
          version=$(date +'%Y%m%d.%H%M%S')
          echo "version=$version" >> "$GITHUB_OUTPUT"
          printf '{"version": "%s" }' "$version" > src/version.json

      - name: Update coverage
        run: |
          coverage_pct=$(grep -o '"pct":[0-9.]*' coverage/coverage-summary.json | head -n 1 | cut -d ':' -f 2)
          color=$(echo "$coverage_pct < 80" | bc -l | awk '{if ($1) print "yellow"; else print "green"}')
          curl https://img.shields.io/badge/Coverage-$coverage_pct%25-$color -o coverageBadge.svg
          git config user.name github-actions
          git config user.email github-actions@github.com
          git add .
          git commit -m "generated"
          git push

      - name: Create dist
        run: |
          mkdir dist
          cp Dockerfile dist
          cp -r src/* dist
          cp *.json dist
          sed -i "s/root/${{ secrets.DB_USERNAME }}/g" dist/config.js
          sed -i "s/tempdbpassword/${{ secrets.DB_PASSWORD }}/g" dist/config.js
          sed -i "s/127.0.0.1/${{ secrets.DB_HOSTNAME }}/g" dist/config.js

      - name: Update distribution artifact
        uses: actions/upload-artifact@v4
        with:
          name: package
          path: dist/

  deploy:
    runs-on: ubuntu-latest
    permissions:
      id-token: write
    needs: build
    env:
      version: ${{needs.build.outputs.version}}
    steps:
      - name: Download distribution artifact
        uses: actions/download-artifact@v4
        with:
          name: package

      - name: Create OIDC token to AWS
        uses: aws-actions/configure-aws-credentials@v4
        with:
          audience: sts.amazonaws.com
          aws-region: us-east-1
          role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT }}:role/${{ secrets.CI_IAM_ROLE }}

      - name: Login to Amazon ECR
        id: login-ecr
        uses: aws-actions/amazon-ecr-login@v2
      
      - name: Set up machine emulation
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker build
        uses: docker/setup-buildx-action@v3

      - name: Build and push container image
        id: build-image
        env:
          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
          ECR_REPOSITORY: 'jwt-pizza-service'
        run: |
          docker build --platform=linux/arm64 -t $ECR_REGISTRY/$ECR_REPOSITORY --push .
          echo "image=$ECR_REGISTRY/$ECR_REPOSITORY:latest" >>  $GITHUB_OUTPUT

      - name: Download task definition
        run: |
          aws ecs describe-task-definition --region us-east-1 --task-definition jwt-pizza-service --query taskDefinition > task-definition.json
          echo $(cat task-definition.json | jq 'del(.taskDefinitionArn, .requiresAttributes, .compatibilities, .revision, .status, .registeredAt, .registeredBy)') > task-definition.json

      - name: Create new task definition
        id: task-def
        uses: aws-actions/amazon-ecs-render-task-definition@v1
        with:
          task-definition: task-definition.json
          container-name: jwt-pizza-service
          image: ${{ steps.build-image.outputs.image }}

      - name: Deploy new task definition
        uses: aws-actions/amazon-ecs-deploy-task-definition@v1
        with:
          task-definition: ${{ steps.task-def.outputs.task-definition }}
          service: jwt-pizza-service
          cluster: jwt-pizza-service
          wait-for-service-stability: false