digital ocean's automatic setup script

droplet.conf

# /etc/rc.digitalocean.d/droplet.conf
# Generated by bsdcloud-init 2017-01-31 08:52
hostname="wolf.example.org"
# Generated by bsdcloud-init 2017-01-31 08:52
ifconfig_vtnet0_alias0="inet 10.18.0.5 netmask 255.255.0.0"
# Generated by bsdcloud-init 2017-01-31 08:52
ifconfig_vtnet0="inet 188.166.73.162 netmask 255.255.192.0"
# Generated by bsdcloud-init 2017-01-31 08:52
defaultrouter="188.166.64.1"

rc.d.digitalocean

#!/bin/sh
# /etc/rc.d/digitalocean
# PROVIDE: digitalocean
# REQUIRE: var
# BEFORE: netif hostname

. /etc/rc.subr

name="digitalocean"
start_cmd="${name}_start"
stop_cmd=":"

digitalocean_start()
{
        echo "Resizing the disk..."
        /sbin/gpart recover vtbd0
        /sbin/gpart resize -i 2 vtbd0

        echo "Expanding the ZFS pool"
        /sbin/zpool online -e zroot gpt/disk0

        check_startmsgs && echo "Generating DigitalOcean configuration."
        /usr/local/sbin/avahi-autoipd -c vtnet0

        if [ $? != 0 ]
        then
                /usr/local/sbin/avahi-autoipd --force-bind -w -D vtnet0

                DROPLET_ID=$(/usr/local/bin/curl --retry 5 --retry-delay 2 --connect-timeout 2 -s http://169.254.169.254/metadata/v1/id)

                if [ -e /etc/rc.digitalocean.d/$DROPLET_ID.conf ]
                then
                        /bin/ln -s -f /etc/rc.digitalocean.d/$DROPLET_ID.conf /etc/rc.digitalocean.d/droplet.conf
                else
                        /usr/local/bin/python2.7 /usr/local/bsd-cloudinit/run.py --log-file /var/log/bsd-cloudinit.log
                        /bin/ln -s -f /etc/rc.digitalocean.d/$DROPLET_ID.conf /etc/rc.digitalocean.d/droplet.conf
                fi
        fi
}

load_rc_config $name
run_rc_command "$1"