bigendian.yaml

name: Test bigendian
permissions: {}

on:
  push:
    branches: [backport-1.x]
  pull_request:
    branches: [backport-1.x]
  workflow_dispatch:

jobs:
  bigendian:
    name: Run tests on bigendian s390x system
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3
        with:
          # driver must be docker, likely related to https://github.com/moby/buildkit/issues/2343
          driver: docker

      - name: Set caching parameters
        run: |
          dockerfile_sha=$(sha1sum .github/images/bigendian.Dockerfile| head -c 40)
          echo "DOCKERFILE_SHA=$dockerfile_sha" >> $GITHUB_ENV
          echo "S390X_CACHE_DIR=~/s390x_image" >> $GITHUB_ENV
          echo "S390X_CACHE_FILE=s390x.tar" >> $GITHUB_ENV
          echo "S390X_IMAGE_TAG=s390x:$dockerfile_sha" >> $GITHUB_ENV

      - name: Make s390x cache directory
        run: mkdir -p ${{ env.S390X_CACHE_DIR }}

      - name: Check for s390x cache
        uses: actions/cache@v4
        id: s390x-cache
        with:
          path: ${{ env.S390X_CACHE_DIR }}
          key: s390x-cache-${{ env.DOCKERFILE_SHA }}

      - if: steps.s390x-cache.outputs.cache-hit != 'true'
        name: Build s390x image
        uses: docker/build-push-action@v6
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: .github/images/bigendian.Dockerfile
          load: true
          platforms: linux/s390x
          target: s390x_base
          tags: ${{ env.S390X_IMAGE_TAG }}

      - if: steps.s390x-cache.outputs.cache-hit != 'true'
        name: Save built s390x image
        run: |
          echo "s390x image from dockerfile with sha ${{ env.DOCKERFILE_SHA }} not found in cache"
          echo "made s390x image with tag: ${{ env.S390X_IMAGE_TAG }}"
          docker save -o ${{ env.S390X_CACHE_DIR }}/${{ env.S390X_CACHE_FILE }} ${{ env.S390X_IMAGE_TAG }}

      - if: steps.s390x-cache.outputs.cache-hit == 'true'
        name: Load s390x image
        run: |
          ls ${{ env.S390X_CACHE_DIR }}
          docker load -i ${{ env.S390X_CACHE_DIR }}/${{ env.S390X_CACHE_FILE }}

      - name: Build
        uses: docker/build-push-action@v6
        with:
          builder: ${{ steps.buildx.outputs.name }}
          build-args: |
            S390X_BASE_IMAGE=${{ env.S390X_IMAGE_TAG }}
          context: .
          file: .github/images/bigendian.Dockerfile
          platforms: linux/s390x
          target: tester