CI_CD_pipeline.yaml

name: CI/CD Pipeline
run-name: Running CI/CD Pipeline

on: [push, pull_request]

permissions:
  id-token: write
  contents: read

jobs:
  Run-Tests:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres
        env:
          POSTGRES_PASSWORD: postgres
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432

    strategy:
      matrix:
        # Run in all these versions of Python
        python-version: [ "3.11" ]

    steps:
      - name: Checkout Repo
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
          pip install pytest
          pip install pytest-django
          pip install pytest-cov

      - name: Run tests
        run: |
          python -m pytest \
            --cov=core \
            --cov=accounts \
            --cov=stapi \
            --cov-config=.coveragerc \
            --cov-report=term > coverage.txt
        env:
          DJANGO_SETTINGS_MODULE: hydroserver.settings
          DATABASE_URL: postgresql://postgres:postgres@localhost:5432/postgres
    
      - name: Parse coverage report
        id: coverage
        run: |
          coverage=$(awk '/TOTAL/ {print $4}' coverage.txt | sed 's/%//')
          if (( $(echo "$coverage < 50" | bc -l) )); then
            echo "Test Coverage is below 50%: $coverage%"
            exit 1
          fi
          echo "Test Coverage is $coverage%"

  Deploy-Dev:
    name: Deploy to AWS S3 Dev
    needs: [Run-Tests]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    steps:
      - name: Checkout Repo
        uses: actions/checkout@v4

      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: arn:aws:iam::${{ vars.AWS_ACCOUNT_ID }}:role/${{ vars.AWS_IAM_ROLE }}
          role-session-name: deploy-hydroserver-dev
          aws-region: ${{ vars.AWS_REGION }}

      - name: Create deployment package
        run: zip -r deploy_package.zip ./

      - name: Upload deployment package to S3
        run: aws s3 cp deploy_package.zip s3://${{ vars.AWS_DJANGO_DEV_BUCKET }}/deploy_package_${{ github.sha }}.zip

      - name: Create ElasticBeanstalk Application Version
        run: |
          aws elasticbeanstalk create-application-version \
          --application-name ${{ vars.AWS_DJANGO_DEV_NAME }} \
          --source-bundle S3Bucket="${{ vars.AWS_DJANGO_DEV_BUCKET }}",S3Key="deploy_package_${{ github.sha }}.zip" \
          --version-label "${{ github.sha }}" \
          --description "commit-sha-${{ github.sha }}"

      - name: Deploy ElasticBeanstalk Application Version
        run: |
          aws elasticbeanstalk update-environment \
          --environment-name ${{ vars.AWS_DJANGO_DEV_NAME }}-env \
          --version-label "${{ github.sha }}"