name: vm

# 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

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  workflow_dispatch:
  push:
    branches:
      - 'master'
      - '[0-9]+.[0-9]+'
      - '[0-9]+.x'
  pull_request:

jobs:
  validate-dco:
    uses: ./.github/workflows/.dco.yml

  vm:
    needs:
      - validate-dco
    uses: ./.github/workflows/.vm.yml
    strategy:
      fail-fast: false
      matrix:
        template:
          # EL 8 is used for running the tests with cgroup v1.
          # Do not upgrade this to EL 9 until formally deprecating the cgroup v1 support.
          #
          # FIXME: use almalinux-8, then probably no need to keep oraclelinux-8 here.
          # On almalinux-8, port forwarding tests are failing:
          # https://github.com/moby/moby/pull/49819#issuecomment-2815676000
          - template://oraclelinux-8  # Oracle's kernel 5.15
          # - template://almalinux-8  # kernel 4.18
    with:
      template: ${{ matrix.template }}