---
name: "Cache"
on:
  workflow_call:
jobs:
  molecule:
    name: cache
    runs-on: [self-hosted, linux, x64, k3s-ci, virtualbox, nested-virt]
    env:
      PYTHON_VERSION: "3.11"
      VAGRANT_DEFAULT_PROVIDER: virtualbox
      VAGRANT_HOME: ${{ github.workspace }}/.vagrant-home

    steps:
      - name: Check out the codebase
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # 4.2.2
        with:
          ref: ${{ github.event.pull_request.head.sha || github.sha }}

      - name: Check nested VirtualBox platform
        run: |
          set -Eeuo pipefail
          grep -Eq 'vmx|svm' /proc/cpuinfo
          test -c /dev/kvm
          test -c /dev/vboxdrv
          VBoxManage --version
          vagrant --version
          test -r /etc/vbox/networks.conf
          test "$(stat -c '%u' /etc/vbox/networks.conf)" -eq 0
          free -h
          df -Pk "${RUNNER_TEMP}"

      - name: Set up Python ${{ env.PYTHON_VERSION }}
        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # 5.3.0
        with:
          python-version: ${{ env.PYTHON_VERSION }}
          cache: 'pip' # caching pip dependencies

      - name: Cache Vagrant boxes
        id: cache-vagrant
        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # 4.1.2
        with:
          lookup-only: true # if it exists, we don't need to restore and can skip the next step
          path: |
            .vagrant-home/boxes
          key: vagrant-boxes-${{ runner.os }}-${{ runner.arch }}-virtualbox-7.2-vagrant-2.4-${{ hashFiles('**/molecule.yml') }} # yamllint disable-line rule:line-length
          restore-keys: |
            vagrant-boxes-${{ runner.os }}-${{ runner.arch }}-virtualbox-7.2-vagrant-2.4-

      - name: Download Vagrant boxes for all scenarios
        # To save some cache space, all scenarios share the same cache key.
        # On the other hand, this means that the cache contents should be
        # the same across all scenarios. This step ensures that.
        if: steps.cache-vagrant.outputs.cache-hit != 'true' # only run if false since this is just a cache step
        run: |
          ./.github/download-boxes.sh
          vagrant box list