preview.yaml

# Copyright 2022 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0

---
name: Preview website

'on':
  workflow_run:
    workflows: ["Build"]
    types:
      - completed

defaults:
  run:
    shell: bash -o errexit -o pipefail -o nounset -o errtrace {0}

jobs:
  preview:
    permissions:
      pull-requests: write
    runs-on: ubuntu-latest
    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
    steps:
      - name: Download pull request artifact
        uses: actions/github-script@v6
        with:
          script: |
            const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: ${{ github.event.workflow_run.id }},
            });
            const downloads = await Promise.all(
              artifacts.data.artifacts.map(a => github.rest.actions.downloadArtifact({
                owner: context.repo.owner,
                repo: context.repo.repo,
                artifact_id: a.id,
                archive_format: 'zip'
              }))
            );
            const fs = require('fs');
            fs.mkdirSync('${{github.workspace}}/artifacts')
            downloads.forEach((d, i) => fs.writeFileSync(`${{github.workspace}}/artifacts/data-${i}.zip`, Buffer.from(d.data)));
      - name: Unzip website artifact
        run: |
          mkdir public
          unzip -q 'artifacts/data-[0-1].zip' -d public
          rm -rf artifacts
      - name: Setup pull request data
        id: data
        run: |
          PR_NUMBER=$(head -1 public/pull_request/number)
          PR_NUMBER=${PR_NUMBER//[^0-9]/}
          echo "PR_NUMBER=${PR_NUMBER}" >> $GITHUB_OUTPUT
          echo "PR_URL=https://github.com/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" >> $GITHUB_OUTPUT
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          path: code
      - name: Preview
        id: preview
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
        run: |
          npm --prefix code ci
          npm --prefix code exec -- wrangler pages deploy public --project-name enterprise-contract --branch pr-${{ steps.data.outputs.PR_NUMBER }} | tee out.txt
          grep 'Deployment complete! Take a peek over at ' out.txt | sed -e 's/.*over at /PREVIEW_URL=/' >> $GITHUB_OUTPUT
      - name: Add comment
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            github.rest.issues.createComment({
              issue_number: Number(${{ steps.data.outputs.PR_NUMBER }}),
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `🚀 Preview is available at ${{ steps.preview.outputs.PREVIEW_URL }}`
            })