deploy.yml

name: Deploy

on:
  push:
    branches:
      - dev
  workflow_dispatch:
    inputs:
      environment:
        description: "Environment to deploy to"
        required: true
        type: choice
        options:
          - dev
          - prod
        default: prod
      ref:
        description: "Optional git ref (commit SHA, branch, or tag) to deploy (for rollback)"
        required: false
        default: ""
      skip_ialirt:
        description: "For manual prod deploys only: skip deploying IalirtStack"
        required: false
        type: boolean
        default: true

permissions:
  id-token: write
  contents: write # needed for tagging and release creation
  actions: read

jobs:
  cdk-deploy:
    runs-on: ubuntu-latest

    steps:
      # ----------------------------------------------------
      # 🧭 Determine environment + AWS role + tagging behavior
      # ----------------------------------------------------
      - name: Determine deployment target
        id: set_account
        run: |
          if [[ "${GITHUB_EVENT_NAME}" == "push" ]]; then
            if [[ "${GITHUB_REF##*/}" == "dev" ]]; then
              echo "account_name=dev" >> $GITHUB_ENV
              echo "role_arn=arn:aws:iam::449431850278:role/GitHubDeploy" >> $GITHUB_ENV
              echo "should_tag=false" >> $GITHUB_ENV
            else
              echo "Branch not configured for deployment." && exit 1
            fi
          elif [[ "${GITHUB_EVENT_NAME}" == "workflow_dispatch" ]]; then
            if [[ "${{ github.event.inputs.environment }}" == "dev" ]]; then
              echo "account_name=dev" >> $GITHUB_ENV
              echo "role_arn=arn:aws:iam::449431850278:role/GitHubDeploy" >> $GITHUB_ENV
              echo "should_tag=false" >> $GITHUB_ENV
            elif [[ "${{ github.event.inputs.environment }}" == "prod" ]]; then
              echo "account_name=prod" >> $GITHUB_ENV
              echo "role_arn=arn:aws:iam::593025701104:role/GitHubDeploy" >> $GITHUB_ENV
              echo "should_tag=true" >> $GITHUB_ENV
            else
              echo "Invalid environment specified." && exit 1
            fi
          else
            echo "Unsupported trigger type" && exit 1
          fi

      # ----------------------------------------------------
      # 🔄 Checkout code (use ref input if provided for rollback)
      # ----------------------------------------------------
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.inputs.ref || github.ref }}

      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - uses: Gr1N/setup-poetry@v8
        with:
          poetry-version: "2.3.4"

      - name: Install dependencies and app
        run: |
          poetry install --with layer-database --with layer-spice --with layer-processing

      - name: Install cdk
        run: |
          npm install -g aws-cdk

      # https://github.com/aws-actions/configure-aws-credentials
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ env.role_arn }}
          aws-region: us-west-2

      # ----------------------------------------------------
      # 🧱 CDK Synth + Deploy
      # ----------------------------------------------------
      - name: Synth
        env:
          ACCOUNT_NAME: ${{ env.account_name }}
        run: |
          echo "Synthesizing for environment: $ACCOUNT_NAME"
          # poetry run to get the environment we installed everything into
          poetry run cdk synth --context account_name=$ACCOUNT_NAME

      - name: Deploy
        env:
          ACCOUNT_NAME: ${{ env.account_name }}
          SKIP_IALIRT: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'prod' && github.event.inputs.skip_ialirt == 'true' }}
        run: |
          echo "Deploying to environment: $ACCOUNT_NAME"
          echo "SKIP_IALIRT=$SKIP_IALIRT"
          if [[ "$SKIP_IALIRT" == "true" ]]; then
            STACKS="NetworkingStack HostedZoneCertificateStack WebsiteStack SDCStack DagsterStack BackupStack"
          else
            STACKS="--all"
          fi
          # poetry run to get the environment we installed everything into
          poetry run cdk deploy $STACKS --context account_name=$ACCOUNT_NAME --require-approval never

      # ----------------------------------------------------
      # Force ECS redeploy of Dagster daemon + webserver
      # ----------------------------------------------------
      - name: Force new ECS deployment for Dagster
        run: |
          CLUSTER=$(aws ecs list-clusters --region us-west-2 \
            --query "clusterArns[?contains(@, 'DagsterCluster')]" --output text)

          SERVICES=$(aws ecs list-services --cluster "$CLUSTER" --region us-west-2 \
            --query "serviceArns[?contains(@, 'Dagster')]" --output text)

          for svc in $SERVICES; do
            echo "Forcing redeploy of $svc"
            aws ecs update-service --cluster "$CLUSTER" --service "$svc" --force-new-deployment --region us-west-2
          done

      # ----------------------------------------------------
      # 🏷️ Tag Release (prod only)
      # ----------------------------------------------------
      - name: Create tag
        if: env.should_tag == 'true'
        run: |
          # Configure Git identity for tagging
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"

          # Create and push tag
          TAG_NAME="prod-$(date -u +'%Y-%m-%d-%H%M%S')"
          echo "TAG_NAME=$TAG_NAME" >> $GITHUB_ENV
          git tag -a "$TAG_NAME" -m "Production deployment on $(date -u)"
          git push origin "$TAG_NAME"
          echo "Created tag $TAG_NAME"