preview.yml

name: Manage site previews

on:
    pull_request:
        types:
            - closed
            - opened
            - reopened
            - synchronize

concurrency:
    group: ${{ github.workflow }}

jobs:
    preview:
        runs-on: ubuntu-latest
        steps:
            - name: Get branch's latest deployment
              uses: octokit/request-action@v2.x
              id: get_latest_deployment
              if: contains('closed synchronize', github.event.action)
              with:
                  route: GET /repos/{repo}/deployments
                  repo: ${{ github.repository }}
                  ref: ${{ github.event.pull_request.head.ref }}
                  environment: preview
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

            - name: Mark branch's latest deployment as inactive
              uses: octokit/request-action@v2.x
              if: contains('closed synchronize', github.event.action)
              with:
                  route: POST /repos/{repo}/deployments/{deployment}/statuses
                  repo: ${{ github.repository }}
                  deployment: ${{ fromJson(steps.get_latest_deployment.outputs.data)[0].id }}
                  state: inactive
                  headers: |
                      Accept: application/vnd.github.ant-man-preview+json
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

            - name: Clean up deployment artifacts
              if: contains('closed', github.event.action) # leave untouched when commits are pushed
              run: aws s3 rm --recursive s3://preview.nicholas.cloud/${{ github.event.pull_request.number }}/
              env:
                  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
                  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_ACCESS_KEY_SECRET }}
                  AWS_DEFAULT_REGION: ap-southeast-2

            - name: Create new deployment
              uses: octokit/request-action@v2.x
              id: create_deployment
              if: contains('opened reopened synchronize', github.event.action)
              with:
                  route: POST /repos/{repo}/deployments
                  repo: ${{ github.repository }}
                  ref: ${{ github.event.pull_request.head.ref }}
                  environment: preview
                  auto_merge: false
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

            - name: Check out source code
              uses: actions/checkout@v2
              if: contains('opened reopened synchronize', github.event.action)
              with:
                  submodules: recursive
            - name: Build
              uses: docker://registry.gitlab.com/pages/hugo:latest
              with:
                  args: --baseURL https://preview.nicholas.cloud/${{ github.event.pull_request.number }}/
              if: contains('opened reopened synchronize', github.event.action)

            - name: Deploy build artifacts
              if: contains('opened reopened synchronize', github.event.action)
              run: aws s3 sync --size-only public/ s3://preview.nicholas.cloud/${{ github.event.pull_request.number }}/
              env:
                  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
                  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_ACCESS_KEY_SECRET }}
                  AWS_DEFAULT_REGION: ap-southeast-2

            - name: Mark new deployment as a success
              uses: octokit/request-action@v2.x
              if: contains('opened reopened synchronize', github.event.action)
              with:
                  route: POST /repos/{repo}/deployments/{deployment}/statuses
                  repo: ${{ github.repository }}
                  deployment: ${{ fromJson(steps.create_deployment.outputs.data).id }}
                  state: success
                  environment_url: https://preview.nicholas.cloud/${{ github.event.pull_request.number }}/
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

            - name: Mark new deployment as failed
              uses: octokit/request-action@v2.x
              if: contains('opened reopened synchronize', github.event.action) && failure()
              with:
                  route: POST /repos/{repo}/deployments/{deployment}/statuses
                  repo: ${{ github.repository }}
                  deployment: ${{ fromJson(steps.create_deployment.outputs.data).id }}
                  state: failure
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}