name: Downstream Resource Docs Test
on:
  pull_request:
    paths:
      - 'pkg/codegen/docs/**'
      - 'pkg/codegen/docs/docs.go'
      - 'pkg/codegen/docs/docs_test.go'
      - '.github/workflows/res-docs-test.yml'

jobs:
  aws:
    name: Resource Docs
    # Verify that the event is not triggered by a fork since forks cannot
    # access secrets other than the default GITHUB_TOKEN. Specifically,
    # this workflow relies on the secret PULUMI_BOT_GH_PAT_DOCS to create a
    # draft PR in the docs repo.
    if: github.event.pull_request.head.repo.full_name == github.repository
    env:
      GOPATH: ${{ github.workspace }}
    runs-on: ubuntu-latest

    steps:
      - name: Install Go
        uses: actions/setup-go@v1
        with:
          go-version: 1.14.x
      - name: Add GOBIN to PATH
        run: |
          mkdir -p "$(go env GOPATH)/bin"
          echo "::add-path::$(go env GOPATH)/bin"
      - name: Install Node.js
        uses: actions/setup-node@v1
        with:
          node-version: '12.x'
      - name: Install Pulumi CLI
        uses: pulumi/action-install-pulumi-cli@releases/v1

      - name: Check out source code
        uses: actions/checkout@master
        with:
          path: pulumi
      - name: Check out pulumi-aws
        uses: actions/checkout@master
        with:
          repository: pulumi/pulumi-aws
          path: pulumi-aws
      - name: Check out pulumi-kubernetes
        uses: actions/checkout@master
        with:
          repository: pulumi/pulumi-kubernetes
          path: pulumi-kubernetes
      - name: Check out docs
        uses: actions/checkout@master
        with:
          # Use the PAT and not the default GITHUB_TOKEN since we want to create a branch
          # in this workflow and push it to a remote that is NOT the current repo, i.e. pulumi/pulumi.
          token: ${{ secrets.PULUMI_BOT_GH_PAT_DOCS }}
          repository: pulumi/docs
          path: docs

      - name: Regenerate resource docs
        id: regenerate-resource-docs
        run: |
          PR_NUMBER=$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH")
          BRANCH_NAME="${GITHUB_ACTOR}/${PR_NUMBER}-test-generator-changes"

          # If generating docs for more providers here, be sure to update
          # the description of the draft PR that is opened in the next step.
          pushd docs
          ./scripts/gen_resource_docs.sh aws true
          ./scripts/gen_resource_docs.sh kubernetes true
          popd

          echo "::set-output name=branchName::${BRANCH_NAME}"
          echo "::set-output name=prNumber::${PR_NUMBER}"

      - name: Create draft docs PR
        uses: peter-evans/create-pull-request@v2
        with:
          draft: true
          # We use a repo:public scoped PAT instead of the implicitly provided GITHUB_TOKEN secret here
          # because we want the creation of the docs PR to trigger the `on: pull_request` workflow in the
          # docs repo. Using a fork repo to raise the PR would also cause the `on: pull_request` workflow
          # to trigger, but currently Pulumify in the docs repo does not run for forks, but we want it to
          # generate the preview link.
          token: ${{ secrets.PULUMI_BOT_GH_PAT_DOCS }}
          path: docs
          committer: Pulumi Bot <bot@pulumi.com>
          author: Pulumi Bot <bot@pulumi.com>
          commit-message: Regenerate resource docs
          title: Preview resource docs changes for pulumi/pulumi#${{ steps.regenerate-resource-docs.outputs.prNumber }}
          body: |
            This PR was auto-generated from pulumi/pulumi#${{ steps.regenerate-resource-docs.outputs.prNumber }}.

            By default, this PR contains regenerated docs for AWS and Kubernetes only.
          # Assign the draft PR to the author of the current PR.
          assignees: ${{ github.event.pull_request.user.login }}
          branch: ${{ steps.regenerate-resource-docs.outputs.branchName }}
          request-to-parent: false