#!/bin/execlineb -S2
# SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2023-2024 Alyssa Ross <hi@alyssa.is>

cd $2
elglob -0 names *

forx -po0 -E name { $names }

backtick -E dir { mktemp -d /run/vm/by-id/XXXXXX }
backtick -E id { basename -- $dir }

if { ln -s -- ${dir} /run/vm/by-name/${1}.${name} }
if { ln -s -- ${2}/${name} ${dir}/config }
if { ln -s -- /run/service/vmm/instance/${id} ${dir}/service }

if {
  if -t { elglob -0d " " providers ${name}/providers/net test -n $providers }

  if { ip link add br-${id} type bridge }
  if { ip link set br-${id} up }

  if { ip tuntap add client-${id} mode tap }
  if { ip link set client-${id} master br-${id} up }

  if { ip tuntap add router-${id} mode tap }
  ip link set router-${id} master br-${id} up
}

if { create-vm-dependencies $id }

s6-instance-create -- /run/service/vmm $id