resize-vm-disk

#!/bin/bash

set -e
set -x

# adapted from: https://gist.github.com/christopher-hopper/9755310
# Prereq: VirtualBox installed, Vagrant VM provisioned but not currently running

export VM_NAME=$1
export DESIRED_SIZE=$2
export KILL_OLD_VMDK=$3

# whine if $VM_NAME is blank

if [ "$VM_NAME" = "" ]; then
    echo "Must specify the name of your Vagrant VM whose disk you wish to resize!"
    exit 1
fi

# default $DESIRED_SIZE to 102400 (100GB)
if [ "$DESIRED_SIZE" = "" ]; then
    export DESIRED_SIZE=102400
fi

# default $KILL_OLD_VMDK to "no"
if [ "$KILL_OLD_VMDK" = "" ]; then
    export KILL_OLD_VMDK="no"
fi

# switch to vm path
pushd ~/VirtualBox\ VMs/$VM_NAME

# clone .vmdk to .vdi
VBoxManage clonehd "ubuntu-xenial-16.04-cloudimg.vmdk" "clone-disk1.vdi" --format vdi

# resize the .vdi to $DESIRED_SIZE
VBoxManage modifyhd "clone-disk1.vdi" --resize $DESIRED_SIZE

# wire up the resized .vdi to your VM
VBoxManage storageattach $VM_NAME --storagectl "SCSI" --port 0 --device 0 --type hdd --medium clone-disk1.vdi
VBoxManage storageattach jjh-ubuntu-vagrant --storagectl "SCSI" --port 0 --device 0 --type hdd --medium clone-disk1.vdi

# remove the old .vmdk if specified
if [ "$KILL_OLD_VMDK" != "no" ]; then
    echo "Deleting ubuntu-xenial-16.04-cloudimg.vmdk as specified"
    rm ubuntu-xenial-16.04-cloudimg.vmdk
fi

# jump back to starting dir
popd