deploy-pull-request.yaml

name: Deploy PR to staging env

# Note: For this to work you must
# 1) Create the service principal:
#    az ad sp create-for-rbac --name "mars-rover-sp" --sdk-auth --role contributor --scopes /subscriptions/53a27438-41b3-4bcb-90fc-76fa03e0b11f/resourceGroups/mars_rover/providers/Microsoft.Web/sites/snow-rover
#    Then put the json you get back from that command into a secret named AZURE_CREDENTIALS
# 2) change the WEBAPP_NAME and RESOURCE_NAME below

on:
  pull_request:
    branches:
    - main

concurrency: ci-${{ github.event.number }}

env:
  WEBAPP_NAME: snow-rover
  RESOURCE_GROUP: mars_rover
  SLOT_NAME: pr-${{ github.event.number }}

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Set up .NET Core
        uses: actions/setup-dotnet@v1
        with:
          dotnet-version: '7.x'
          include-prerelease: true

      - name: Run Tests
        working-directory: src
        run: dotnet test MarsRover.sln

      - name: dotnet publish
        working-directory: src/Mars.Web
        run: dotnet publish -c Release -o ${{env.DOTNET_ROOT}}/myapp

      - name: Upload artifact for deployment job
        uses: actions/upload-artifact@v2
        with:
          name: .net-app
          path: ${{env.DOTNET_ROOT}}/myapp

  set-up-test-env:
    name: Create test env
    runs-on: ubuntu-latest

    steps:
    - name: Log into Azure CLI with service principal
      uses: azure/login@v1.1
      with:
        creds: ${{ secrets.AZURE_CREDENTIALS }}

    - name: Create slot on staging site
      run: az webapp deployment slot create --resource-group $RESOURCE_GROUP  --name $WEBAPP_NAME --slot $SLOT_NAME

  deploy:
    name: Deploy to test env
    runs-on: ubuntu-latest
    needs: [build, set-up-test-env]
    environment:
      name: "PR #${{ github.event.number }}"
      url: ${{ steps.deploy-to-webapp.outputs.webapp-url }}
    permissions:
      pull-requests: write

    steps:
    - name: Download artifact from build job
      uses: actions/download-artifact@v2
      with:
        name: .net-app

    - name: Log into Azure CLI with service principal
      uses: azure/login@v1.1
      with:
        creds: ${{ secrets.AZURE_CREDENTIALS }}

    - name: Deploy to slot on staging site
      uses: azure/webapps-deploy@v2
      id: deploy-to-webapp
      with:
        app-name: ${{ env.WEBAPP_NAME }}
        slot-name:  ${{ env.SLOT_NAME }}
        package: .

    - name: Comment on PR with the preview link
      uses: mshick/add-pr-comment@v1
      with:
        message: |
          ## Preview link: https://${{ env.WEBAPP_NAME }}-${{env.SLOT_NAME }}.azurewebsites.net

          - Your changes have been deployed to the preview site. The preview site will update as you add more commits to this branch.
          - The preview link is shareable, but will be deleted when the pull request is merged or closed.

          > *This is an automated message.*
        repo-token: ${{ secrets.GITHUB_TOKEN }}
        repo-token-user-login: 'github-actions[bot]'