Deploy Minecraft with Terraform

minecraft.sh

#!/bin/bash
useradd -m minecraft
apt-get update
apt-get install -y openjdk-7-jre-headless wget

cd /home/minecraft
wget https://s3.amazonaws.com/Minecraft.Download/versions/1.8.3/minecraft_server.1.8.3.jar

cat >/home/minecraft/eula.txt<<EOF
#By changing the setting below to TRUE you are indicating your agreement to our EULA (https://account.mojang.com/documents/minecraft_eula).
#Tue Jan 27 21:40:00 UTC 2015
eula=true
EOF

chown -R minecraft: /home/minecraft

cat >/etc/init/minecraft.conf<<EOF
start on runlevel [2345]
stop on runlevel [^2345]

console log
chdir /home/minecraft
setuid minecraft
setgid minecraft

respawn
respawn limit 20 5

exec /usr/bin/java -Xms1536M -Xmx2048M -jar minecraft_server.1.8.3.jar nogui
EOF

start minecraft

minecraft.tf

# Please be aware that you will only be able to access the Minecraft server using a Minecraft client.
# No other access is possible.
# This is truly an emphemeral, disposable Minecraft service.

resource "openstack_compute_secgroup_v2" "minecraft" {
  name = "minecraft"
  description = "security rules for minecraft"
  rule {
    from_port = 25565
    to_port = 25565
    ip_protocol = "tcp"
    cidr = "0.0.0.0/0"
  }
}

resource "openstack_compute_floatingip_v2" "minecraft" {
  pool = "nova"
}

resource "openstack_compute_instance_v2" "minecraft" {
  name = "minecraft"
  image_name = "Ubuntu 14.04"
  flavor_name = "m1.medium"
  security_groups = ["${openstack_compute_secgroup_v2.minecraft.name}"]
  floating_ip = "${openstack_compute_floatingip_v2.minecraft.address}"
  user_data = "${file("minecraft.sh")}"
}