Mount VirtualBox Guest Additions to current Vagrant instance.

vga

#!/bin/bash
#
# Adam Bolte <adam.bolte@sitepoint.com>
#
# Description:
# Mount VirtualBox Guest Additions to current Vagrant instance.

declare -r option="${1}"
declare -r attach_to_instance=$(basename $(pwd))
declare guest_additions_iso="/usr/share/virtualbox/VBoxGuestAdditions.iso"

function print_usage()
{
    {
        echo "Mount VirtualBox Guest Additions ISO to current Vagrant guest."
        echo
        echo "Usage:"
        echo "    ${0} -m|-u [IMAGE.ISO]"
        echo "where"
        echo "    -m        = mount"
        echo "    -u        = umount"
        echo "    IMAGE.ISO = VirtualBox Guest Additions ISO image path."
        echo "                (defaults to '${guest_additions_iso}')"
    } >&2
}

function check_arguments()
{
    if [ "${option}" != "-m" -a "${option}" != "-u" ]
    then
        print_usage
        exit 1
    fi
}

function check_image()
{
    if [ ! -f "${guest_additions_iso}" ]
    then
        echo "File '${guest_additions_iso}' not found!"
        exit 1
    fi
}

check_arguments
check_image

for instance in $(VBoxManage list runningvms | grep ${attach_to_instance} | \
    sed -e 's/^"\([^"]*\)".*/\1/')
do
    if [ "${attach_to_instance}" = "${instance%_*}" ]
    then
        if [ "${option}" = "-m" ]
        then
            echo -n "Attaching ISO to '${instance}'... "
                VBoxManage storageattach ${instance} \
                    --storagectl "IDE Controller" --port 1 --device 0 \
                    --type dvddrive --medium "${guest_additions_iso}"
        elif [ "${option}" = "-u" ]
        then
            echo -n "Detaching ISO on '${instance}'... "
                VBoxManage storageattach ${instance} \
                    --storagectl "IDE Controller" --port 1 --device 0 \
                    --type dvddrive --medium emptydrive
        fi
        if [ "${?}" -eq 0 ]
        then
            echo "OK."
        else
            echo "FAIL."
        fi
    fi
done