# frozen_string_literal: true

# set region based on the subnet

Facter.add('region') do
  setcode do
    # use facts['networking']['ip']to find the promary IP address
    ip = Facter.value(:networking)['ip']

    # subnet to region mapping
    subnet_to_region = {
      '198.18.17.0/24' => 'drw1'
    }

    require 'ipaddr'

    # Find the region for the IP
    region = 'lost' # default to 'lost' if no region matches
    subnet_to_region.each do |subnet, region_name|
      if IPAddr.new(subnet).include?(IPAddr.new(ip))
        region = region_name
        break
      end
    end

    region
  end
end