cloud-config

#cloud-config
apt_update: true
apt_upgrade: true
packages:
 - augeas-tools
 - screen
 - curl
 - wget
 - build-essential
 - git-core
 - p7zip-full

ssh_pwauth: False

users:
  - name: fuzz
    groups: sudo
    shell: /bin/bash
    sudo: ['ALL=(ALL) NOPASSWD:ALL']
    ssh-authorized-keys:
      - ssh-rsa ...

start-digitalocean-vm.sh

#!/bin/bash

set -e
HOSTNAME=$1
DOMAIN=do.yx.fi
IMAGE="ubuntu-14-04-x64"
REGION=lon1
SIZE=512mb
SSH_KEY=1b:bb:5c:85:8c:50:7f:eb:43:86:ca:b7:27:67:fc:2a

if [[ -z $HOSTNAME ]]; then
	echo Usage: start-vm HOSTNAME
	exit 1
fi
if [[ -z $DO_API_TOKEN ]]; then
	echo Set DO_API_TOKEN environment variable first
	exit 1
fi

http -v --json post "https://api.digitalocean.com/v2/droplets" \
	Authorization:"Bearer ${DO_API_TOKEN}" \
	name=$HOSTNAME.do.yx.fi \
	region=$REGION \
	size=$SIZE \
	[email protected] \
	ssh_keys:="[\"$SSH_KEY\"]" \
	image="$IMAGE"

https://www.digitalocean.com/?refcode=7895291a5a1b