#!/bin/sh

# lb-hogehoge = ELB Tag Name Value

for instance_id in `aws elb describe-load-balancers --query 'LoadBalancerDescriptions[?LoadBalancerName==\`lb-hogehoge\`].["Instances"[]["InstanceId"]]' --output text`
do

	ips=`aws ec2 describe-instances --instance-id $instance_id --query Reservations[].["Instances"[]["NetworkInterfaces"][][]["PrivateIpAddresses"][][]["PrivateIpAddress"]] --output text`

	for ip in $ips
	do
    	echo $ip
	done

done