#!/usr/bin/env bash
set -euo pipefail

shopt -s nullglob

get_prop() {
  local info="$1"
  local key="$2"
  awk -F= -v k="$key" '$1==k {print $2}' "$info"
}

for info in state/vms/*/info; do
  id="$(get_prop "$info" "id")"
  name="$(get_prop "$info" "name")"
  created_at="$(get_prop "$info" "created_at")"
  guest_ip="$(get_prop "$info" "guest_ip")"
  pid="$(get_prop "$info" "pid")"
  tap="$(get_prop "$info" "tap")"
  api_sock="$(get_prop "$info" "api_sock")"

  if [[ -z "$pid" || -z "$api_sock" ]]; then
    continue
  fi

  if ps -p "$pid" -o comm=,args= 2>/dev/null | rg -q "firecracker.*--api-sock $api_sock"; then
    printf 'id=%s name=%s created_at=%s guest_ip=%s pid=%s tap=%s\n' \
      "$id" "$name" "$created_at" "$guest_ip" "$pid" "$tap"
  fi
done