# File lib/ohai/plugins/cloud_v2.rb, line 52
    def add_ipv4_addr(ip, accessibility)
      return if ip.nil? # just skip if ip is nil
      ipaddr = validate_ip_addr(ip, :ipv4)

      case accessibility
      when :public
        @cloud[:public_ipv4_addrs] ||= Array.new
        @cloud[:public_ipv4_addrs] << ipaddr.to_s
      when :private
        @cloud[:local_ipv4_addrs] ||= Array.new
        @cloud[:local_ipv4_addrs] << ipaddr.to_s
      else
        raise "ERROR: in valid accessibility param of '#{accessibility}'. must be :public or :private."
      end
    end