make55gb-xenial64-vagrant-box

#!/bin/bash
# To make this 55GB ubuntu/<release>64 VM I did the following:

set -e
set -u

USERDIR=$PWD
UBUNTU_RELEASE=xenial64
VAGRANT_VMNAME=ubuntu-${UBUNTU_RELEASE}-55GB
if [ -e /tmp/$VAGRANT_VMNAME ]; then
    echo >&2 "/tmp/$VAGRANT_VMNAME exists!"
    echo >&2 "Please remove it and re-run to use this script."
    exit 1
fi

echo "Making temp directory /tmp/$VAGRANT_VMNAME"
mkdir -p /tmp/$VAGRANT_VMNAME
trap "cd /tmp; rm -Rf /tmp/$VAGRANT_VMNAME; exit" INT TERM EXIT
cd /tmp/$VAGRANT_VMNAME
echo "Initializing vagrant box ubuntu/${UBUNTU_RELEASE}"
vagrant init ubuntu/${UBUNTU_RELEASE} > /dev/null
vagrantfile_backup=$(mktemp Vagrantfile.XXXXXXX.tmp)
awk '{ print $0 }; /config.vm.box / { print "  config.ssh.insert_key = false"}' Vagrantfile > $vagrantfile_backup
cat $vagrantfile_backup > Vagrantfile
rm $vagrantfile_backup
vagrant box update
vagrant_up_outfile=$(mktemp vagrantup.XXXXXXX.out)
echo "Starting vagrant box ubuntu/${UBUNTU_RELEASE} to initialize the VirtualBox VM"
vagrant up --no-provision | tee $vagrant_up_outfile
trap "cd /tmp/$VAGRANT_VMNAME; vagrant destroy -f; cd /tmp; rm -Rf /tmp/$VAGRANT_VMNAME; exit" INT TERM EXIT
echo "Terminating vagrant box ubuntu/${UBUNTU_RELEASE}"
vagrant halt
VMNAME=$(awk '/Setting the name of the VM/ {print $9}' $vagrant_up_outfile)
VM_PATH="$HOME/VirtualBox VMs/$VMNAME"
cd "$VM_PATH"
echo "Cloning virtual disk to VDI format so we can resize it."
# Duplicate file descriptor 1 to FD 5, so we can both display and capture stdout to a var.
exec 5>&1
OUT_VDI_UUID=$(VBoxManage clonehd ubuntu-xenial-16.04-cloudimg.vmdk out.vdi --format VDI | tee >(cat - >&5) | sed -e 's/^.*UUID: \([0-9a-z-][0-9a-z-]*\)$/\1/')
echo "Resizing VDI disk to 55GB"
VBoxManage modifyhd out.vdi --resizebyte 59055800320
echo "Converting VDI disk back to VMDK format"
VBoxManage clonehd out.vdi ubuntu-xenial-16.04-cloudimg_55gb.vmdk --format VMDK
echo "Removing intermediate VDI disk"
VBoxManage closemedium disk ${OUT_VDI_UUID} --delete #rm out.vdi
echo "Detaching old VMDK disk from the VM and removing it"
VBoxManage storageattach $VMNAME --storagectl "SCSI Controller" --port 0 --medium none
VBoxManage closemedium disk ubuntu-xenial-16.04-cloudimg.vmdk --delete #rm ubuntu-xenial-16.04-cloudimg.vmdk
echo "Attaching the new 55GB VMDK to the VM"
VBoxManage storageattach $VMNAME --storagectl "SCSI Controller" --port 0 --medium "$VM_PATH/ubuntu-xenial-16.04-cloudimg_55gb.vmdk" --type hdd
VBoxManage modifyvm $VMNAME --uartmode1 disconnected
cd /tmp/$VAGRANT_VMNAME
echo "Packaging up the VM back into a Vagrant box file"
vagrant package --base $VMNAME --output $USERDIR/${VAGRANT_VMNAME}.box