extend_ebs.sh

extend_ebs.sh

instance_ids=""
device_name=""
for vol in $(aws ec2 describe-instances --region ap-northeast-1 --instance-ids ${instance_ids} | jq '.Reservations[].Instances[] | .BlockDeviceMappings[] | select(.DeviceName == "'${device_name}'") | .Ebs.VolumeId' -r); do
  current=$(aws ec2 describe-volumes --volume-ids ${vol} | jq '.Volumes[] | .Size')
  target=$(expr $current + 50)
  echo "${vol}: ${current} -> ${target}"
  echo "aws ec2 modify-volume --volume-id ${vol} --size ${target} --dry-run"
  #aws ec2 modify-volume --volume-id ${vol} --size ${target} --dry-run
done