#!/bin/bash # Specify the desired volume size in GiB as a command line argument. If not specified, default to 20 GiB. SIZE=${1:-20} # Get the ID of the environment host Amazon EC2 instance. INSTANCEID=$(curl http://169.254.169.254/latest/meta-data/instance-id) REGION=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone | sed 's/\(.*\)[a-z]/\1/') # Get the ID of the Amazon EBS volume associated with the instance. VOLUMEID=$(aws ec2 describe-instances \ --instance-id $INSTANCEID \ --query "Reservations[0].Instances[0].BlockDeviceMappings[0].Ebs.VolumeId" \ --output text \ --region $REGION) # Resize the EBS volume. aws ec2 modify-volume --volume-id $VOLUMEID --size $SIZE # Wait for the resize to finish. while [ \ "$(aws ec2 describe-volumes-modifications \ --volume-id $VOLUMEID \ --filters Name=modification-state,Values="optimizing","completed" \ --query "length(VolumesModifications)"\ --output text)" != "1" ]; do sleep 1 done #Check if we're on an NVMe filesystem if [[ -e "/dev/xvda" && $(readlink -f /dev/xvda) = "/dev/xvda" ]] then # Rewrite the partition table so that the partition takes up all the space that it can. sudo growpart /dev/xvda 1 # Expand the size of the file system. # Check if we're on AL2 STR=$(cat /etc/os-release) SUB="VERSION_ID=\"2\"" if [[ "$STR" == *"$SUB"* ]] then sudo xfs_growfs -d / else sudo resize2fs /dev/xvda1 fi else # Rewrite the partition table so that the partition takes up all the space that it can. sudo growpart /dev/nvme0n1 1 # Expand the size of the file system. # Check if we're on AL2 STR=$(cat /etc/os-release) SUB="VERSION_ID=\"2\"" if [[ "$STR" == *"$SUB"* ]] then sudo xfs_growfs -d / else sudo resize2fs /dev/nvme0n1p1 fi fi