name: Snapshotter
on:
  push:
    paths-ignore:
      - "**.md"
      - "channel.yaml"
      - "install.sh"
      - "tests/**"
      - "!tests/snapshotter/**"
      - ".github/**"
      - "!.github/workflows/snapshotter.yaml"
  pull_request:
    paths-ignore:
      - "**.md"
      - "channel.yaml"
      - "install.sh"
      - "tests/**"
      - "!tests/snapshotter/**"
      - ".github/**"
      - "!.github/workflows/snapshotter.yaml"
  workflow_dispatch: {}

permissions:
  contents: read

jobs:
  prep:
    name: "Prepare"
    runs-on: ubuntu-20.04
    timeout-minutes: 40
    steps:
      - name: "Checkout"
        uses: actions/checkout@v3
        with: { fetch-depth: 1 }
      - name: "Build"
        run: DOCKER_BUILDKIT=1 SKIP_VALIDATE=1 make
      - name: "Upload Binary"
        uses: actions/upload-artifact@v3
        with: { name: k3s, path: dist/artifacts/k3s }
  test:
    name: "Smoke Test"
    needs: prep
    # nested virtualization is only available on macOS hosts
    runs-on: macos-12
    timeout-minutes: 40
    strategy:
      fail-fast: false
      matrix:
        vm: [opensuse-leap]
        snapshotter: [btrfs]
      max-parallel: 1
    defaults:
      run:
        working-directory: tests/snapshotter/${{ matrix.snapshotter }}/${{ matrix.vm }}
    env:
      VAGRANT_EXPERIMENTAL: disks
    steps:
      - name: "Checkout"
        uses: actions/checkout@v3
        with: { fetch-depth: 1 }
      - name: "Download Binary"
        uses: actions/download-artifact@v2
        with: { name: k3s, path: dist/artifacts/ }
      - name: "Vagrant Cache"
        uses: actions/cache@v3
        with:
          path: |
            ~/.vagrant.d/boxes
            ~/.vagrant.d/gems
          key: snapshotter-${{ hashFiles(format('tests/snapshotter/{0}/{1}/Vagrantfile', matrix.snapshotter, matrix.vm)) }}
        id: vagrant-cache
        continue-on-error: true
      - name: "Vagrant Plugin(s)"
        run: vagrant plugin install vagrant-k3s
      - name: "Vagrant Up ⏩ Install K3s"
        run: vagrant up
      - name: "⏳ Node"
        run: vagrant provision --provision-with=k3s-wait-for-node
      - name: "⏳ CoreDNS"
        run: vagrant provision --provision-with=k3s-wait-for-coredns
      - name: "k3s-status" # kubectl get node,all -A -o wide
        run: vagrant provision --provision-with=k3s-status
      - name: "k3s-snapshots" # if no snapshots then we fail
        run: vagrant provision --provision-with=k3s-snapshots