push.yml

name: Reference build
on:
  push:
    branches: ["master", "kirkstone"]

jobs:
  build:
    strategy:
      matrix:
        kas:
          - kas-poky-snapd.aarch64.yml
          - kas-poky-snapd.x86_64.yml
          - kas-poky-snapd.riscv64.yml
    # TODO: use large runners when available
    runs-on: [self-hosted, Linux]
    timeout-minutes: 240
    name: ${{ matrix.kas }}
    env:
      # On non-ephemeral workers, downloads and sstate is cached.
      DL_DIR: /srv/meta-snapd/master/downloads
      SSTATE_DIR: /srv/meta-snapd/master/sstate-cache
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo -E DEBIAN_FRONTEND=noninteractive apt install -y kas chrpath diffstat bzip2 cpp g++ gcc lz4 make rpcsvc-proto
          kas --version
      - name: Setup DL_DIR and SSTATE_DIR
        run: |
          sudo mkdir -p "$DL_DIR"
          sudo mkdir -p "$SSTATE_DIR"
          sudo chown $(id -u).$(id -g) "$DL_DIR" "$SSTATE_DIR"
          # This hack makes DL_DIR and SSTATE_DIR overrides compatible with kas 2.6.3 in Ubuntu 22.04
          mkdir -p build/conf
          printf 'DL_DIR = "%s"\n' "$DL_DIR" >build/conf/auto.conf
          printf 'SSTATE_DIR = "%s"\n' "$SSTATE_DIR" >> build/conf/auto.conf
      - name: Use tmpfs for TMPDIR
        run: |
          mkdir -p build/tmp
          if [ "$(LANG=C free --total --giga | awk -e '/Total/ { print $2 }')" -gt 64 ]; then
            sudo mount -o size=64G -t tmpfs none build/tmp
          fi
      - name: Run kas checkout
        run: |
          kas checkout ${{ matrix.kas }}
      - name: Run kas build
        run: |
          kas build ${{ matrix.kas }} --target snapd-demo-image
      - uses: actions/upload-artifact@v4
        with:
          name: image-${{ matrix.kas }}
          path: build/tmp/deploy/images
          if-no-files-found: warn
          retention-days: 1
          compression-level: 0
      - name: Unmount tmpfs
        if: always()
        run: |
          # Lazy umount as apparently something may be using this still?
          sudo umount -l build/tmp || true