#!/bin/bash
# find instance
INST=$(hostname)
REGION="ap-southeast-1"
# try open port via lightsail CLI
aws lightsail open-instance-public-ports \
  --instance-name "$INST" \
  --port-info fromPort=13180,toPort=13180,protocol=TCP \
  --region "$REGION" 2>&1 | head -20
echo "EXIT:$?"