Change static IP for Lightsail instances with AWS-CLI

readme.md

Dependency

Install jq

wget https://github.com/jqlang/jq/releases/download/jq-1.7/jq-linux64 -O /usr/local/bin/jq
chmod +x /usr/local/bin/jq

Create LightsailFullAccessGroup IAM user following this instruction

Configure AWS-CLI

$ aws configure

Usage

bash changeip.sh us-east-1

Install crontab

crontab -e

Then add the following:

# Rotate IP
5 9 * * * bash ~/changeip.sh us-east-1

Reference

https://github.com/angelsky11/change-lightsail-ip

changeip.sh

#!/bin/bash

REGION=$1
readonly REGION

echo -e '*****************************************************************'
echo -e '***************************** START *****************************'
echo -e '*****************************************************************'

#定义主进程
function main {

	#获取静态ip列表
	local ipjson=$(aws lightsail --region $REGION get-static-ips)
	
	#获取静态ip数量
	local NUM_IP=$(echo $ipjson | jq -r '.|length')
	
	for (( i = 0 ; i < $NUM_IP ; i++ ))
	do
		echo -e '=========================seq '$i' start========================='
		
		#获取ip各项信息
		local OLD_IP=$(echo $ipjson | jq -r '.[]['$i'].ipAddress')
		local INSTANCE_NAME=$(echo $ipjson | jq -r '.[]['$i'].attachedTo')
		local STATIC_IP_NAME=$(echo $ipjson | jq -r '.[]['$i'].name')
		
		echo -e "1. checking vps "$OLD_IP
		
		#删除原静态ip
		aws lightsail --region $REGION release-static-ip --static-ip-name $STATIC_IP_NAME
		#新建静态ip
		aws lightsail --region $REGION allocate-static-ip --static-ip-name $STATIC_IP_NAME
		#绑定静态ip
		aws lightsail --region $REGION attach-static-ip --static-ip-name $STATIC_IP_NAME --instance-name $INSTANCE_NAME
		#获取新ip
		local instancejson=$(aws lightsail --region $REGION get-instance --instance-name $INSTANCE_NAME)
		local NEW_IP=$(echo $instancejson | jq -r '.[].publicIpAddress')
			
		rm -rf temp.$OLD_IP.txt	
	done
}

main $REGION

echo -e '*****************************************************************'
echo -e '****************************** END ******************************'
echo -e '*****************************************************************'

exit 0