ci.yml

name: CI

on:
  workflow_dispatch:
  pull_request:
    branches:
      - main
    paths:
      # All tf files
      - '**/*.tf'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read
  statuses: write
  id-token: write

env:
  ARM_CLIENT_ID: ${{ vars.AZURE_CLIENT_ID }}
  ARM_TENANT_ID: ${{ vars.AZURE_TENANT_ID }}
  GITHUB_TOKEN: ${{ secrets.PAT }}
  ARM_USE_OIDC: true

jobs:
  CI:
    name: CI
    runs-on: ubuntu-latest
    environment: prod
    steps:
      - name: Generate app token
        uses: actions/create-github-app-token@v2
        id: authenticate
        with:
          app-id: ${{ secrets.APP_ID }}
          private-key: ${{ secrets.APP_PEM }}

      - uses: actions/checkout@v6

      - run: terraform init

      - name: Create a speculative plan
        id: tfplan
        shell: pwsh
        run: |
          # Create a speculative plan
          $plan = terraform plan -lock=false -no-color
          Set-Content -Path 'tfplan' -Value $plan -Encoding utf8

          terraform plan -lock=false

      - name: Write plan in pr comment
        uses: actions/github-script@v8
        if: github.event_name == 'pull_request'
        env:
          plan: ${{ steps.tfplan.outputs.plan }}
        with:
          github-token: ${{ steps.authenticate.outputs.token }}
          script: |
              const fs = require('fs')
              const fileContent = fs.readFileSync('tfplan', 'utf8')

              const body = `
              Here is the plan for the changes in this PR:

              <details>
              <summary>Terraform Plan</summary>

              \`\`\`terraform
              ${fileContent}
              \`\`\`

              `

              github.rest.issues.createComment({
                ...context.repo,
                issue_number: context.issue.number,
                body
              })