Vagrant fix for instances getting stuck on boot due to DHCP failure.

vfix

#!/bin/bash
#
# Adam Bolte <adam.bolte@sitepoint.com>
#
# Description:
# Run this if Vagrant gets stuck bringing up an instance due to DHCP failure.

declare -r fix_instance=$(basename $(pwd))

for instance in $(VBoxManage list runningvms | grep ${fix_instance} | \
    sed -e 's/^"\([^"]*\)".*/\1/')
do
    if [ "${fix_instance}" = "${instance%_*}" ]
    then
        echo -n "Fixing '${instance}'... "
        VBoxManage guestcontrol ${instance} exec "/usr/bin/sudo" \
            --username vagrant --password vagrant --wait-stdout \
            dhclient -- eth0
        if [ "${?}" -eq 0 ]
        then
            echo "OK."
        else
            echo "FAIL."
        fi
    fi
done