Resize Cloud9 storage

resize_cloud9.sh

#!/bin/bash

# Specify the desired volume size in GiB as a command-line argument. If not specified, default to 20 GiB.
SIZE=${1:-20}

# Install the jq command-line JSON processor.
sudo yum -y install jq >/dev/null

# Get the ID of the envrionment host Amazon EC2 instance.
INSTANCEID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
LOCALREGION=$(curl --silent http://169.254.169.254/latest/dynamic/instance-identity/document | jq -r .region)

# Get the ID of the Amazon EBS volume associated with the instance.
VOLUMEID=$(aws ec2 describe-instances --instance-id "${INSTANCEID}" --region "${LOCALREGION}" | jq -r .Reservations[0].Instances[0].BlockDeviceMappings[0].Ebs.VolumeId )

# Resize the EBS volume.
aws ec2 modify-volume --volume-id "${VOLUMEID}" --size "${SIZE}" --region "${LOCALREGION}"

# Wait for the resize to finish.
while [ "$(aws ec2 describe-volumes-modifications --volume-id "${VOLUMEID}" --region "${LOCALREGION}" --filters Name=modification-state,Values="optimizing","completed" | jq '.VolumesModifications | length')" != "1" ]; do
  sleep 1
done

xfs_resize() {
    sudo xfs_growfs -d /
}

ext4_resize(){
    # Expand the size of the file system.
    sudo resize2fs /dev/"${PART}"
}


DISK=$(lsblk | grep disk | cut -d\  -f1 | head)
PART=$(lsblk | grep "part /" | cut -d\  -f1 | cut -d─  -f2 | head)
TYPE=$(df -Th / | grep "/" | awk '{print $2}')

echo -e "\nResizing ${DISK} - ${PART} of type: ${TYPE} to ${SIZE} on ${INSTANCEID} using volume: ${VOLUMEID}\n"


# Rewrite the partition table so that the partition takes up all the space that it can.
sudo growpart /dev/"${DISK}" 1

if [ "${TYPE}" = "xfs" ]; then
    echo "Filesystem is xfs - resizing"
    xfs_resize
else
    echo "Filesystem is not xfs - resizing"
    ext4_resize
fi

# For EC2 with XFS
# Optionally, you can use lsblk to be sure of dev names
sudo sudo growpart /dev/nvme0n1 1
sudo xfs_growfs /dev/nvme0n1p1