new-ubuntu-hub-image-requested.yml

name: New Ubuntu Hub Version ⚙

on:
  repository_dispatch:
    types:
      - new_hub_images_requested
      - new_ubuntu_hub_image_requested

# Further reading:
# https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows#repository_dispatch
# https://docs.github.com/en/free-pro-team@latest/rest/reference/repos#create-a-repository-dispatch-event
# https://developer.github.com/webhooks/event-payloads/#repository_dispatch

jobs:
  build:
    name: "🛠 Build unityci/hub"
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Checkout latest release tag
        run: |
          LATEST_TAG=$(git describe --tags `git rev-list --tags --max-count=1`)
          git checkout $LATEST_TAG

      #################
      #   Variables   #
      #################
      - name: Show hook input
        run: |
          echo "Event ${{ github.event.action }}"
          echo "jobId: ${{ github.event.client_payload.jobId }}"
          echo "repoVersion (full): ${{ github.event.client_payload.repoVersionFull }}"
          echo "repoVersion (only minor and major): ${{ github.event.client_payload.repoVersionMinor }}"
          echo "repoVersion (only major): ${{ github.event.client_payload.repoVersionMajor }}"
      - name: Report new build
        uses: ./.github/workflows/actions/report-to-backend
        with:
          token: ${{ secrets.VERSIONING_TOKEN }}
          jobId: ${{ github.event.client_payload.jobId }}
          status: started
          # Build info
          imageType: hub
          baseOs: ubuntu
          repoVersion: ${{ github.event.client_payload.repoVersionFull }}
      #############
      #   Setup   #
      #############
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Check if image does not already exist
        run: |
          # Source: https://stackoverflow.com/a/39731444/3593896
          function docker_tag_exists() {
            curl --silent -f -lSL https://index.docker.io/v1/repositories/$1/tags/$2 > /dev/null
          }

          if docker_tag_exists unityci/hub ubuntu-${{ github.event.client_payload.repoVersionFull }} ; then
            echo "Image already exists. Exiting."
            exit 1
          fi
      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ github.event.client_payload.repoVersionFull }}-${{ runner.os }}-buildx-hub-${{ github.sha }}
          restore-keys: |
            ${{ github.event.client_payload.repoVersionFull }}-${{ runner.os }}-buildx-hub
            ${{ github.event.client_payload.repoVersionFull }}-${{ runner.os }}-buildx-
      ############################
      #   Pull previous images   #
      ############################
      - name: Pull base image (must exist)
        run: docker pull unityci/base:${{ github.event.client_payload.repoVersionFull }}
      #################
      #   Hub image   #
      #################
      - name: Build and publish
        uses: docker/build-push-action@v5
        id: build_ubuntu_hub_image
        with:
          file: ./images/ubuntu/hub/Dockerfile
          build-args: baseImage=unityci/base:${{ github.event.client_payload.repoVersionFull }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
          push: true
          tags: |
            unityci/hub:ubuntu-${{ github.event.client_payload.repoVersionFull }}
            unityci/hub:${{ github.event.client_payload.repoVersionFull }}
            unityci/hub:ubuntu-${{ github.event.client_payload.repoVersionMinor }}
            unityci/hub:${{ github.event.client_payload.repoVersionMinor }}
            unityci/hub:ubuntu-${{ github.event.client_payload.repoVersionMajor }}
            unityci/hub:${{ github.event.client_payload.repoVersionMajor }}
            unityci/hub:ubuntu-latest
            unityci/hub:latest
      - name: Inspect
        run: |
          docker buildx imagetools inspect unityci/hub:ubuntu-${{ github.event.client_payload.repoVersionFull }}
      - name: Image digest
        run: echo ${{ steps.build_ubuntu_hub_image.outputs.digest }}
      #################
      #   reporting   #
      #################
      - name: Report publication
        if: ${{ success() }}
        uses: ./.github/workflows/actions/report-to-backend
        with:
          token: ${{ secrets.VERSIONING_TOKEN }}
          jobId: ${{ github.event.client_payload.jobId }}
          status: published
          # Build info
          imageType: hub
          baseOs: ubuntu
          repoVersion: ${{ github.event.client_payload.repoVersionFull }}
          # Publication info
          imageRepo: unityci
          imageName: hub
          friendlyTag: ${{ github.event.client_payload.repoVersionMinor }}
          specificTag: ubuntu-${{ github.event.client_payload.repoVersionFull }}
          digest: ${{ steps.build_ubuntu_hub_image.outputs.digest }}
      - name: Report failure
        if: ${{ failure() || cancelled() }}
        uses: ./.github/workflows/actions/report-to-backend
        with:
          token: ${{ secrets.VERSIONING_TOKEN }}
          jobId: ${{ github.event.client_payload.jobId }}
          status: failed
          # Build info
          imageType: hub
          baseOs: ubuntu
          repoVersion: ${{ github.event.client_payload.repoVersionFull }}
          # Failure info
          reason: ${{ job.status }} - ${{ steps.build_ubuntu_hub_image.outputs.metadata }}