# reusable workflow
name: .vm

# TODO: hide reusable workflow from the UI. Tracked in https://github.com/community/community/discussions/12025

# Default to 'contents: read', which grants actions to read commits.
#
# If any permission is set, any permission not included in the list is
# implicitly set to "none".
#
# see https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
permissions:
  contents: read

on:
  workflow_call:
    inputs:
      template:
        required: true
        type: string

env:
  GO_VERSION: "1.24.8"
  TESTSTAT_VERSION: v0.1.25

jobs:
  integration:
    runs-on: ubuntu-24.04
    timeout-minutes: 60
    continue-on-error: ${{ github.event_name != 'pull_request' }}
    if: ${{ github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'ci/validate-only') }}
    strategy:
      fail-fast: false
      matrix:
        mode:
          - ""
          - rootless

    steps:
      -
        name: Checkout
        uses: actions/checkout@v4
      -
        name: Set up Lima
        uses: lima-vm/lima-actions/setup@03b96d61959e83b2c737e44162c3088e81de0886  # v1.0.1
        id: lima-actions-setup
      -
        name: Cache ~/.cache/lima
        uses: actions/cache@v4
        with:
          path: ~/.cache/lima
          key: lima-${{ steps.lima-actions-setup.outputs.version }}-${{ inputs.template }}
      -
        name: Start the guest VM
        run: |
          # --plain is set because the built-in containerd support conflicts with Docker
          limactl start \
            --name=default \
            --cpus=4 \
            --memory=12 \
            --plain \
            ${{ inputs.template }}
      -
        name: Load kernel modules in the guest VM
        run: |
          set -eux -o pipefail
          cat <<-EOF | lima sudo tee /etc/modules-load.d/docker.conf
          br_netfilter
          bridge
          ip6_tables
          ip6table_filter
          ip6table_nat
          ip_tables
          ip_vs
          iptable_filter
          iptable_nat
          nf_tables
          overlay
          tap
          tun
          veth
          x_tables
          xt_addrtype
          xt_comment
          xt_conntrack
          xt_mark
          xt_multiport
          xt_nat
          xt_tcpudp
          EOF
          lima sudo systemctl restart systemd-modules-load.service
      -
        name: Install dockerd in the guest VM
        run: |
          set -eux -o pipefail
          lima sudo mkdir -p /etc/systemd/system/docker.socket.d
          cat <<-EOF | lima sudo tee /etc/systemd/system/docker.socket.d/override.conf
          [Socket]
          SocketUser=$(whoami)
          EOF
          # TODO: use native packages for AlmaLinux: https://github.com/docker/packaging/pull/138
          lima sudo dnf config-manager --add-repo=https://download.docker.com/linux/rhel/docker-ce.repo
          lima sudo dnf -q -y install --nobest docker-ce make
          lima sudo systemctl enable --now docker
          lima docker info
      -
        name: Copy the current directory
        run: |
          set -eux -o pipefail
          limactl cp -r . default:/tmp/docker
      -
        name: Test
        run: |
          set -eux -o pipefail
          DOCKER_ROOTLESS=
          DOCKER_GRAPHDRIVER=overlay2
          if [[ "${{ matrix.mode }}" == *"rootless"* ]]; then
            DOCKER_ROOTLESS=1
            if lima grep -q "AlmaLinux release 8" /etc/system-release; then
              # kernel prior to 5.11 needs fuse-overlayfs
              DOCKER_GRAPHDRIVER=fuse-overlayfs
            fi
          fi

          DOCKER_IGNORE_BR_NETFILTER_ERROR=
          if lima grep -q "AlmaLinux release 8" /etc/system-release; then
            # DOCKER_IGNORE_BR_NETFILTER_ERROR=1 is set because /proc/sys/net/bridge does not appear in
            # a container when the kernel is older than 5.3.
            # https://web.archive.org/web/20201123224428/github.com/lxc/lxd/issues/3306#issuecomment-502857864
            DOCKER_IGNORE_BR_NETFILTER_ERROR=1
          fi

          # TODO: just propagate the env from the host: https://github.com/lima-vm/lima/issues/3430
          # TODO: enable GHA cache?
          LIMA_WORKDIR=/tmp/docker lima \
            TEST_SKIP_INTEGRATION_CLI=1 \
            TEST_INTEGRATION_USE_GRAPHDRIVER=1 \
            DOCKER_ROOTLESS=${DOCKER_ROOTLESS} \
            DOCKER_GRAPHDRIVER=${DOCKER_GRAPHDRIVER} \
            DOCKER_IGNORE_BR_NETFILTER_ERROR=${DOCKER_IGNORE_BR_NETFILTER_ERROR} \
            make test-integration
      -
        name: Prepare reports
        if: always()
        run: |
          set -eux -o pipefail
          limactl cp -v -r default:/tmp/docker/bundles . || true
          reportsName="$(basename ${{ inputs.template }})"
          if [ -n "${{ matrix.mode }}" ]; then
            reportsName="$reportsName-${{ matrix.mode }}"
          fi
          reportsPath="/tmp/reports/$reportsName"
          echo "TESTREPORTS_NAME=$reportsName" >> $GITHUB_ENV

          mkdir -p bundles $reportsPath
          find bundles -path '*/root/*overlay2' -prune -o -type f \( -name '*-report.json' -o -name '*.log' -o -name '*.out' -o -name '*.prof' -o -name '*-report.xml' \) -print | xargs sudo tar -czf /tmp/reports.tar.gz
          tar -xzf /tmp/reports.tar.gz -C $reportsPath
          sudo chown -R $(id -u):$(id -g) $reportsPath
          tree -nh $reportsPath
      -
        name: Test daemon logs
        if: always()
        run: |
          cat bundles/test-integration/docker.log
      -
        name: Upload reports
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-reports-integration-${{ env.TESTREPORTS_NAME }}
          path: /tmp/reports/*
          retention-days: 1

  integration-report:
    runs-on: ubuntu-24.04
    timeout-minutes: 10
    continue-on-error: ${{ github.event_name != 'pull_request' }}
    if: always() && (github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'ci/validate-only'))
    needs:
      - integration
    steps:
      -
        name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: false
      -
        name: Prepare reports
        run: echo "TESTREPORTS_NAME=$(basename ${{ inputs.template }})*" >> $GITHUB_ENV
      -
        name: Download reports
        uses: actions/download-artifact@v4
        with:
          path: /tmp/reports
          pattern: test-reports-integration-${{ env.TESTREPORTS_NAME }}
          merge-multiple: true
      -
        name: Install teststat
        run: |
          go install github.com/vearutop/teststat@${{ env.TESTSTAT_VERSION }}
      -
        name: Create summary
        run: |
          find /tmp/reports -type f -name '*-go-test-report.json' -exec teststat -markdown {} \+ >> $GITHUB_STEP_SUMMARY