check-ca-builds.yaml

name: check-cluster-autoscaler-builds
on:
  pull_request:
    paths:
      - "cluster-autoscaler/ca.tag"
      - "cluster-autoscaler/ca.patch"
      - "cluster-autoscaler/Dockerfile"
      - ".github/workflows/check-ca-builds.yaml"
  push:
    branches:
      - main
    paths:
      - "cluster-autoscaler/ca.tag"
      - "cluster-autoscaler/ca.patch"
      - "cluster-autoscaler/Dockerfile"
      - ".github/workflows/check-ca-builds.yaml"

jobs:
  build-ca:
    strategy:
      fail-fast: false
      matrix:
        arch: [ amd64, arm64 ]
    runs-on: ${{ fromJson(format('["self-hosted", "{0}"]', matrix.arch == 'arm64' && 'large-arm64' || 'large')) }}
    steps:
      - uses: actions/checkout@v4

      - name: set custom docker config directory
        uses: ./.github/actions/set-docker-config-dir

      - uses: docker/setup-buildx-action@v3
      - name: Login to Docker cache registry
        uses: docker/login-action@v3
        with:
          registry: cache.neon.build
          username: ${{ secrets.NEON_CI_DOCKERCACHE_USERNAME }}
          password: ${{ secrets.NEON_CI_DOCKERCACHE_PASSWORD }}

      - name: get CA base git tag
        id: get-ca-tag
        run: |
          echo "tag=$(cat cluster-autoscaler/ca.tag)" | tee -a $GITHUB_OUTPUT

      - name: Build cluster-autoscaler image
        uses: docker/build-push-action@v6
        with:
          context: cluster-autoscaler
          platforms: ${{format('linux/{0}', matrix.arch)}}
          push: false
          target: ${{format('cluster_autoscaler_{0}', matrix.arch)}}
          file: cluster-autoscaler/Dockerfile
          cache-from: type=registry,ref=cache.neon.build/cluster-autoscaler-neonvm:cache
          build-args: |
            CA_GIT_TAG=${{ steps.get-ca-tag.outputs.tag }}