on_pull_request_merge.yaml

name: PR Merged
on:
  pull_request:
    types: [closed]

jobs:
  destroy:
    name: Destroy Pulumi Stack and Resources
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2
        with:
          fetch-depth: 1

      - name: Install infra dependencies
        run: cd infra && npm ci

      - uses: actions/setup-node@v1
        with:
          node-version: "12"

      - name: Inject slug/short variables
        uses: rlespinasse/github-slug-action@v2.x

      - name: Create PR_STACK_NAME env variable
        run: echo "PR_STACK_NAME=$(echo $GITHUB_BASE_REF_SLUG | cut -c 1-3)-$(echo $GITHUB_HEAD_REF_SLUG | cut -c 1-15 | sed 's:-*$::')" >> $GITHUB_ENV

      - name: Destroy the PR stack and resources
        run: cd infra/automation && node index.js destroy
        env:
          PR_STACK_NAME: ${{ env.PR_STACK_NAME }}
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          MONGODB_ATLAS_PUBLIC_KEY: ${{ secrets.MONGODB_ATLAS_PUBLIC_KEY }}
          MONGODB_ATLAS_PRIVATE_KEY: ${{ secrets.MONGODB_ATLAS_PRIVATE_KEY }}
          PULUMI_ACCESS_TOKEN: ${{ secrets.PULUMI_ACCESS_TOKEN }}
          PULUMI_ROOT: infra
          PULUMI_CI: pr