deploy.yml

# Simple workflow for deploying static content to GitHub Pages
name: Deploy static content to Pages

on:
  # automatically update the DK servers page on an interval
  schedule:
    # update once an hour
    - cron: "0 * * * *"

  # deploy on merge to main branch
  push:
    branches: ["main"]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
permissions:
  contents: read
  pages: write
  id-token: write
  packages: write

# Allow one concurrent deployment
concurrency:
  group: "pages"
  cancel-in-progress: false

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    # Ubuntu is fine, we just need Docker and bash
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      # checkout the code
      - name: Checkout
        uses: actions/checkout@v3

      # Setup Docker
      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - uses: docker/setup-buildx-action@v2

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      # Generate Markdown and Terraform config
      - name: Generate Markdown and TF templates
        run: ./scripts/update-servers.sh

      # Build documentation
      - name: Build mkdocs output
        run: ./scripts/mkdocs.sh build

      # GitHub pages
      - name: Setup Pages
        uses: actions/configure-pages@v2
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v1
        with:
          path: "site"
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1

      # Apply TF monitors
      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v2
        with:
          cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}
      - name: Terraform init
        id: init
        run: terraform init
        working-directory: scripts/servers/monitoring
      - name: Terraform validate
        id: validate
        run: terraform -chdir=scripts/servers/monitoring validate

      # update dashboard first, on it's own, to make sure SLO and such are not referenced anywhere before deleting them
      # See: https://discuss.hashicorp.com/t/how-to-first-update-dependency-and-then-delete-an-old-object/6221/3
      - name: Terraform apply (dashboard)
        run: terraform -chdir=scripts/servers/monitoring apply -auto-approve -input=false -target datadog_dashboard.overview
        env:
          TF_VAR_datadog_api_key: ${{ secrets.DD_API_KEY }}
          TF_VAR_datadog_app_key: ${{ secrets.DD_APP_KEY }}
      # update all TF resources
      - name: Terraform apply (all)
        run: terraform -chdir=scripts/servers/monitoring apply -auto-approve -input=false
        env:
          TF_VAR_datadog_api_key: ${{ secrets.DD_API_KEY }}
          TF_VAR_datadog_app_key: ${{ secrets.DD_APP_KEY }}