images.yaml

name: Image CI Build

on:
  pull_request_target:
    types:
      - opened
      - synchronize
      - reopened
  push:
    branches:
      - master

jobs:
  build-and-push-prs:
    if: ${{ github.repository == 'cilium/hubble-ui' }}
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        include:
          - name: hubble-ui
            context: .
            dockerfile: ./Dockerfile

          - name: hubble-ui-backend
            context: ./backend
            dockerfile: ./backend/Dockerfile

    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4b4e9c3e2d4531116a6f8ba8e71fc6e2cb6e6c8c

      - name: Login to quay.io for CI
        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
        with:
          registry: quay.io
          username: ${{ secrets.QUAY_USERNAME_CI }}
          password: ${{ secrets.QUAY_PASSWORD_CI }}

      - name: Getting image tag
        id: tag
        run: |
          if [ ${{ github.event.pull_request.head.sha }} != "" ]; then
            echo ::set-output name=tag::${{ github.event.pull_request.head.sha }}
          else
            echo ::set-output name=tag::${{ github.sha }}
          fi

      - name: Checkout Source Code
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3
        with:
          ref: ${{ steps.tag.outputs.tag }}

      # master branch pushes
      - name: CI Build ${{ matrix.name }}
        if: ${{ github.event_name != 'pull_request_target' }}
        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
        id: docker_build_ci_master
        with:
          context: ${{ matrix.context }}
          file: ${{ matrix.dockerfile }}
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:latest
            quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:${{ steps.tag.outputs.tag }}

      - name: CI Image Releases digests
        if: ${{ github.event_name != 'pull_request_target' }}
        shell: bash
        run: |
          mkdir -p image-digest/
          echo "quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:latest@${{ steps.docker_build_ci_master.outputs.digest }}" > image-digest/${{ matrix.name }}.txt
          echo "quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:latest-race@${{ steps.docker_build_ci_master_detect_race_condition.outputs.digest }}" >> image-digest/${{ matrix.name }}.txt
          echo "quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:${{ steps.tag.outputs.tag }}@${{ steps.docker_build_ci_master.outputs.digest }}" >> image-digest/${{ matrix.name }}.txt
          echo "quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:${{ steps.tag.outputs.tag }}-race@${{ steps.docker_build_ci_master_detect_race_condition.outputs.digest }}" >> image-digest/${{ matrix.name }}.txt

      # PR updates
      - name: CI Build ${{ matrix.name }}
        if: ${{ github.event_name == 'pull_request_target' }}
        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
        id: docker_build_ci_pr
        with:
          context: ${{ matrix.context }}
          file: ${{ matrix.dockerfile }}
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:${{ steps.tag.outputs.tag }}

      - name: CI Image Releases digests
        if: ${{ github.event_name == 'pull_request_target' }}
        shell: bash
        run: |
          mkdir -p image-digest/
          echo "quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:${{ steps.tag.outputs.tag }}@${{ steps.docker_build_ci_pr.outputs.digest }}" > image-digest/${{ matrix.name }}.txt

      - name: CI Image Releases digests
        if: ${{ github.event_name == 'pull_request_target' }}
        shell: bash
        run: |
          mkdir -p image-digest/
          echo "quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:${{ steps.tag.outputs.tag }}@${{ steps.docker_build_ci_pr.outputs.digest }}" >> image-digest/${{ matrix.name }}.txt
          echo "quay.io/${{ github.repository_owner }}/${{ matrix.name }}-ci:${{ steps.tag.outputs.tag }}-race@${{ steps.docker_build_ci_pr_detect_race_condition.outputs.digest }}" >> image-digest/${{ matrix.name }}.txt

      # Upload artifact digests
      - name: Upload artifact digests
        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce
        with:
          name: image-digest ${{ matrix.name }}
          path: image-digest
          retention-days: 1

  image-digests:
    if: ${{ github.repository == 'cilium/hubble-ui' }}
    name: Display Digests
    runs-on: ubuntu-20.04
    needs: build-and-push-prs
    steps:
      - name: Downloading Image Digests
        shell: bash
        run: |
          mkdir -p image-digest/

      - name: Download digests of all images built
        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a
        with:
          path: image-digest/

      - name: Image Digests Output
        shell: bash
        run: |
          cd image-digest/
          find -type f | sort | xargs -d '\n' cat