team-devsecops/.github/workflows/deploy-k8s-client-preview.yml at eb0bc57bc584ef5b370373dbf735a843988a3c3f · AET-DevOps26/team-devsecops · GitHub

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name: PR Preview

on:
  pull_request:
    types: [opened, synchronize, reopened, closed]
    paths:
      - 'web-client/**'
      - 'infra/k8s/preview/**'
      - '.github/workflows/deploy-k8s-client-preview.yml'

concurrency:
  group: preview-${{ github.event.pull_request.number }}
  cancel-in-progress: true

permissions:
  contents: read
  packages: write
  pull-requests: write

env:
  # gets prefixed with the PR number
  PREVIEW_DOMAIN: devsecops.stud.k8s.aet.cit.tum.de

jobs:
  deploy:
    if: github.event.action != 'closed'
    runs-on: ubuntu-latest
    environment: kubernetes
    steps:
      - name: Checkout PR head
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Image prefix
        run: echo "IMAGE_PREFIX=ghcr.io/$(echo "$GITHUB_REPOSITORY" | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_ENV"

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build web-client
        uses: docker/build-push-action@v6
        with:
          context: web-client
          push: true
          tags: ${{ env.IMAGE_PREFIX }}/web-client:preview-pr-${{ github.event.pull_request.number }}

      - name: Set up kubectl
        uses: azure/setup-kubectl@v4

      - name: Configure kubeconfig
        run: |
          mkdir -p ~/.kube
          echo "${{ secrets.KUBE_CONFIG }}" | base64 -d > ~/.kube/config
          chmod 600 ~/.kube/config

      - name: Deploy preview
        id: deploy
        env:
          WEB_CLIENT_IMAGE: ${{ env.IMAGE_PREFIX }}/web-client:preview-pr-${{ github.event.pull_request.number }}
        run: |
          url=$(infra/k8s/preview/deploy.sh "${{ github.event.pull_request.number }}")
          echo "url=$url" >> "$GITHUB_OUTPUT"

      - name: Comment preview URL
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          number: ${{ github.event.pull_request.number }}
          header: preview
          message: 🚀 [Frontend preview ↗](${{ steps.deploy.outputs.url }}) &nbsp;·&nbsp; commit `${{ github.event.pull_request.head.sha }}`

  teardown:
    if: github.event.action == 'closed'
    runs-on: ubuntu-latest
    environment: kubernetes
    steps:
      - uses: actions/checkout@v4
      - name: Set up kubectl
        uses: azure/setup-kubectl@v4
      - name: Configure kubeconfig
        run: |
          mkdir -p ~/.kube
          echo "${{ secrets.KUBE_CONFIG }}" | base64 -d > ~/.kube/config
          chmod 600 ~/.kube/config
      - name: Tear down preview
        run: |
          PR="${{ github.event.pull_request.number }}"
          kubectl delete deployment,service,ingress -n app -l "preview-pr=$PR"
          kubectl delete secret "preview-pr-$PR-tls" -n app --ignore-not-found
      - name: Update comment
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          number: ${{ github.event.pull_request.number }}
          header: preview
          message: 🧹 The preview environment was removed because this PR was closed.