deploy-production.yml

name: deploy-production

concurrency:
  group: deploy-production
  cancel-in-progress: true

on:
  release:
    types: [published]

permissions:
  id-token: write # required for OIDC connectiong to AWS
  contents: read

jobs:
  deploy-prod-iac:
    environment: production
    if: startsWith(github.ref_name, 'r-') # the prefix we have added to the tag
    runs-on: ubuntu-latest
    outputs:
      bucket: ${{ steps.output-bucket-name.outputs.bucket }}
      cloudfront_id: ${{ steps.output-cloudfront-distro.outputs.cloudfront_id }}
    env:
      TF_VAR_region: ${{ vars.AWS_REGION }}
      TF_VAR_environment: ${{ vars.ENV_SHORT_NAME }}
      TF_VAR_name_prefix: "tb-${{ vars.PROJECT_SHORT_NAME }}-${{ vars.ENV_SHORT_NAME }}"
      TF_VAR_app_env: ${{ vars.APP_ENV }}
      TF_VAR_db_enc_secret: ${{ vars.DB_ENCRYPTED_SECRET }}
      TF_VAR_frontend_url: ${{ vars.FRONTEND_URL }}
      TF_VAR_fxa_secret: ${{ vars.FXA_SECRET }}
      TF_VAR_google_oauth_secret: ${{ vars.GOOGLE_OAUTH_SECRET }}
      TF_VAR_log_level: ${{ vars.LOG_LEVEL }}
      TF_VAR_short_base_url: ${{ vars.SHORT_BASE_URL }}
      TF_VAR_smtp_secret: ${{ vars.SMTP_SECRET }}
      TF_VAR_zoom_callback: ${{ vars.ZOOM_CALLBACK }}
      TF_VAR_zoom_secret: ${{ vars.zoom_secret }}
      TF_VAR_sentry_dsn: ${{ vars.SENTRY_DSN }}
      TF_VAR_ssl_cert_arn: ${{ vars.SSL_CERT_ARN }}

    steps:
      - name: Get Artifact from Release
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          version: ${{ github.event.release.id }}
          file: iac.zip

      - name: Unzip Artifact
        run: unzip iac.zip

      - name: install opentofu
        uses: opentofu/setup-opentofu@v1
        with: 
          tofu_version: ${{ vars.TF_VERSION }}
          tofu_wrapper: false

      - name: install terragrunt
        run: |
          sudo wget -q -O /bin/terragrunt "https://github.com/gruntwork-io/terragrunt/releases/download/v${{ vars.TG_VERSION }}/terragrunt_linux_amd64"
          sudo chmod +x /bin/terragrunt
          terragrunt -v

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ secrets.IAM_ROLE }}
          role-session-name: Appointment_GitHub_to_AWS_via_FederatedOIDC
          aws-region: ${{ vars.AWS_REGION }}

      - name: vpc
        working-directory: ./tofu/environments/prod/network/vpc
        run: |
          terragrunt init -upgrade
          terragrunt validate
          terragrunt plan -out tfplan
          terragrunt apply tfplan

      - name: backend-infra
        working-directory: ./tofu/environments/prod/services/backend-infra
        run: |
          terragrunt init -upgrade
          terragrunt validate
          terragrunt plan -out tfplan
          terragrunt apply tfplan

      - name: cache
        working-directory: ./tofu/environments/prod/data-store/cache
        run: |
          terragrunt init -upgrade
          terragrunt validate
          terragrunt plan -out tfplan
          terragrunt apply tfplan

      - name: database
        working-directory: ./tofu/environments/prod/data-store/database
        run: |
          terragrunt init -upgrade
          terragrunt validate
          terragrunt plan -out tfplan
          terragrunt apply tfplan
          
      - name: frontend-infra
        working-directory: ./tofu/environments/prod/services/frontend-infra
        run: |
          terragrunt init -upgrade
          terragrunt validate
          terragrunt plan -out tfplan
          terragrunt apply tfplan

      - name: output-bucket-name
        id: output-bucket-name
        working-directory: ./tofu/environments/prod/services/frontend-infra
        run: |
          terragrunt init -upgrade
          output=$(terragrunt output bucket_name | tr -d '"')
          echo bucket=$output >> $GITHUB_OUTPUT

      - name: output-cloudfront-distro
        id: output-cloudfront-distro
        working-directory: ./tofu/environments/prod/services/frontend-infra
        run: |
          terragrunt init -upgrade
          output=$(terragrunt output cloudfront_id)
          echo cloudfront_id=$output >> $GITHUB_OUTPUT

  deploy-prod-frontend:
    needs: deploy-prod-iac
    if: startsWith(github.ref_name, 'r-') # the prefix we have added to the tag
    environment: production
    runs-on: ubuntu-latest

    steps:
      - name: Get Artifact from Release
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          version: ${{ github.event.release.id }}
          file: frontend.zip

      - name: Unzip Artifact
        run: unzip frontend.zip

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ secrets.IAM_ROLE }}
          role-session-name: Appointment_GitHub_to_AWS_via_FederatedOIDC
          aws-region: ${{ vars.AWS_REGION }}

      - name: Deploy frontend to S3
        run: aws s3 sync ./dist "s3://${{ needs.deploy-prod-iac.outputs.bucket }}"

      - name: Invalidate Cloudfront cache
        run: aws cloudfront create-invalidation --distribution-id ${{ needs.deploy-prod-iac.outputs.cloudfront_id }} --paths "/*"

  deploy-prod-backend:
    needs: deploy-prod-iac
    if: startsWith(github.ref_name, 'r-') # the prefix we have added to the tag
    environment: production
    runs-on: ubuntu-latest
    env:
      TF_VAR_region: ${{ vars.AWS_REGION }}
      TF_VAR_environment: ${{ vars.ENV_SHORT_NAME }}
      TF_VAR_name_prefix: "tb-${{ vars.PROJECT_SHORT_NAME }}-${{ vars.ENV_SHORT_NAME }}"
      TF_VAR_app_env: ${{ vars.APP_ENV }}
      TF_VAR_db_enc_secret: ${{ vars.DB_ENCRYPTED_SECRET }}
      TF_VAR_frontend_url: ${{ vars.FRONTEND_URL }}
      TF_VAR_fxa_secret: ${{ vars.FXA_SECRET }}
      TF_VAR_google_oauth_secret: ${{ vars.GOOGLE_OAUTH_SECRET }}
      TF_VAR_log_level: ${{ vars.LOG_LEVEL }}
      TF_VAR_short_base_url: ${{ vars.SHORT_BASE_URL }}
      TF_VAR_smtp_secret: ${{ vars.SMTP_SECRET }}
      TF_VAR_zoom_callback: ${{ vars.ZOOM_CALLBACK }}
      TF_VAR_zoom_secret: ${{ vars.zoom_secret }}
      TF_VAR_sentry_dsn: ${{ vars.SENTRY_DSN }}
      TF_VAR_ssl_cert_arn: ${{ vars.SSL_CERT_ARN }}

    steps:
      - name: Get IaC from Release
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          version: ${{ github.event.release.id }}
          file: iac.zip

      - name: Get ECR tag from Release
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          version: ${{ github.event.release.id }}
          file: ecr_tag.zip

      - name: Unzip IaC
        run: unzip iac.zip

      - name: Unzip ECR tag
        id: get_ecr_tag
        run: |
          unzip ecr_tag.zip
          output=$(cat ecr_tag.txt)
          echo ecr_tag=$output >> $GITHUB_OUTPUT

      - name: install opentofu
        uses: opentofu/setup-opentofu@v1
        with: 
          tofu_version: ${{ vars.TF_VERSION }}
          tofu_wrapper: false

      - name: install terragrunt
        run: |
          sudo wget -q -O /bin/terragrunt "https://github.com/gruntwork-io/terragrunt/releases/download/v${{ vars.TG_VERSION }}/terragrunt_linux_amd64"
          sudo chmod +x /bin/terragrunt
          terragrunt -v

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ secrets.IAM_ROLE }}
          role-session-name: Appointment_GitHub_to_AWS_via_FederatedOIDC
          aws-region: ${{ vars.AWS_REGION }}

      - name: Prepare backend dependencies
        run: |
          cd tofu/environments/prod/network/vpc
          terragrunt init -upgrade
          cd ../../data-store/database
          terragrunt init -upgrade
          cd ../../data-store/cache
          terragrunt init -upgrade
          cd ../../services/backend-infra
          terragrunt init -upgrade

      - name: Deploy Backend
        working-directory: ./tofu/environments/prod/services/backend-service
        run: |
          terragrunt init -upgrade
          terragrunt validate
          terragrunt plan -var "image=${{ steps.get_ecr_tag.outputs.ecr_tag }}" -out tfplan
          terragrunt apply tfplan