特定のEC2インスタンスのインスタンスサイズを変更&EIP紐付け

ec2scaleup.sh

#!/bin/sh
AWS_PROFILE='YOUR awscli PROFILE NAME HERE'
INSTANCE_ID='YOUR INSTANCE ID HERE'
INSTANCE_TYPE='YOUR INSTANCE TYPE HERE'
PUBLIC_IP='YOUR INSTANCE EIP HERE'
 
while :
do
  EC2_STATE=`aws ec2 describe-instances --profile ${AWS_PROFILE} --instance-ids ${INSTANCE_ID} | jq '.Reservations []  .Instances [] .State | .Name'`
  if [ $EC2_STATE = '"running"' ]; then
    aws ec2 stop-instances --profile ${AWS_PROFILE} --instance-ids ${INSTANCE_ID}
  fi
  if [ $EC2_STATE = '"stopped"' ]; then
    break
  fi
  echo "${INSTANCE_ID} : ${EC2_STATE}"
  sleep 10
done
 
aws ec2 modify-instance-attribute --profile ${AWS_PROFILE} --instance-id ${INSTANCE_ID} --instance-type ${INSTANCE_TYPE}
aws ec2 start-instances --profile ${AWS_PROFILE} --instance-ids ${INSTANCE_ID}
while :
do
  EC2_STATE=`aws ec2 describe-instances --profile ${AWS_PROFILE} --instance-ids ${INSTANCE_ID} | jq '.Reservations []  .Instances [] .State | .Name'`
  if [ $EC2_STATE = '"running"' ]; then
    break
  fi
  echo "${INSTANCE_ID} : ${EC2_STATE}"
  sleep 10
done
aws ec2 associate-address --profile ${AWS_PROFILE} --instance-id ${INSTANCE_ID} --public-ip ${PUBLIC_IP}