test(vagrant): add Vagrantfile to use the tests VM.

tests/Vagrantfile

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+# -*- mode: ruby -*-
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2023 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+require 'yaml'
+
+machines = YAML.load_file(File.join(File.dirname(__FILE__), 'boxes.yml'))
+
+Vagrant.require_version '>= 2.0.0'
+
+Vagrant.configure("2") do |config|
+
+  config.ssh.keys_only        = true
+  config.ssh.insert_key       = false
+  config.ssh.private_key_path = [ '~/.ssh/id_ed25519' ]
+  config.ssh.username         = 'user'
+
+  machines['boxes'].each do |instance|
+
+    # Configure the VMs per details in boxes.yml
+    config.vm.define instance['name'] do |srv|
+      srv.vm.box              = instance['box']
+      srv.vm.box_check_update = false
+      srv.vm.post_up_message  = instance.to_yaml
+      srv.vm.synced_folder '../', '/home/user/Projects/apparmor.d', type: 'virtiofs'
+
+      # Configure Libvirt provider
+      srv.vm.provider 'libvirt' do |libvirt|
+        libvirt.driver            = 'kvm'
+        libvirt.connect_via_ssh   = false
+        libvirt.storage_pool_name = 'default'
+        libvirt.memory            = instance['ram']
+        libvirt.cpus              = instance['cpu']
+        libvirt.cpu_mode          = 'host-passthrough'
+        libvirt.machine_type      = 'q35'
+        libvirt.video_type        = 'virtio'
+        libvirt.graphics_type     = 'spice'
+        libvirt.sound_type        = 'ich9'
+        libvirt.tpm_model         = 'tpm-crb'
+        libvirt.tpm_type          = 'emulator'
+        libvirt.tpm_version       = '2.0'
+        libvirt.random model: 'random'
+        libvirt.memorybacking 'source', type: 'memfd'
+        libvirt.memorybacking 'access', mode: 'shared'
+        libvirt.channel type: 'unix', target_name: 'org.qemu.guest_agent.0', target_type: 'virtio'
+        (1..2).each do
+          libvirt.redirdev :type => "spicevmc"
+        end
+        if instance['uefi']
+          libvirt.loader = '/usr/share/edk2-ovmf/x64/OVMF_CODE.fd'
+        end
+      end
+
+    end
+  end
+end

tests/boxes.yml

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+---
+
+boxes:
+
+  - name: arch-gnome
+    box: aa-archlinux-gnome
+    uefi: false
+    ram: '6144'
+    cpu: '6'
+
+  - name: arch-kde
+    box: aa-archlinux-kde
+    uefi: false
+    ram: '6144'
+    cpu: '6'
+
+  - name: ubuntu-server
+    box: aa-ubuntu-server
+    uefi: true
+    ram: '6144'
+    cpu: '6'
+
+  - name: opensuse-kde
+    box: aa-opensuse-kde
+    uefi: true
+    ram: '6144'
+    cpu: '6'
+