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@onnimonni
Created June 28, 2017 14:41
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Example terraform config for creating a digitalocean droplet with volume.
variable "digitalocean_token" {
description = "This is the Digitalocean API-token which is used to setup the machines."
}
variable "digitalocean_region" {
description = "For example: nyc1, nyc2, ams2, ams3, fra2"
default = "fra1"
}
variable "digitalocean_dokku_size" {
description = "Instance size: 512mb, 1gb, 2gb, 4gb ..."
default = "2gb"
}
variable "digitalocean_volume_size" {
description = "We will attach permanent volume for persistent data. You can provide size of that volume here"
default = "100"
}
variable "digitalocean_dokku_domain_tld" {
description = <<EOF
Main TLD for this dokku installation like: example.com
Subdomain of that domain are used for dokku and apps.
NOTE: THIS DOMAIN NEEDS TO BE SETUPPED IN DIGITALOCEAN DOMAINS!
EOF
}
variable "digitalocean_dokku_subdomain" {
description = <<EOF
Write any subdomain of the domain you provided for: var.digitalocean_dokku_domain
This will be used for this dokku installation and subdomains of that domain will be used to apps running in dokku.
For example writing: 'dokku-test.something' would result in dokku server => 'dokku-test.something.example.com'
EOF
}
variable "initial_ssh_key" {
description = "Public SSH Key which is installed into the server during initial setup"
}
# Configure the DigitalOcean Provider
provider "digitalocean" {
token = "${var.digitalocean_token}"
}
resource "digitalocean_ssh_key" "pihvi" {
name = "Pihvi.io Deployment key"
public_key = "${var.initial_ssh_key}"
}
# Add volume for persistent data
resource "digitalocean_volume" "dokku_persistent_data" {
region = "${var.digitalocean_region}"
name = "persistent-${replace("${var.digitalocean_dokku_subdomain}.${var.digitalocean_dokku_domain_tld}",".","-")}"
size = "${var.digitalocean_volume_size}"
description = "Persistent data for ${var.digitalocean_dokku_subdomain}.${var.digitalocean_dokku_domain_tld}"
}
# Create a new Dokku Droplet
resource "digitalocean_droplet" "dokku" {
# Ubuntu is the prefered installation for dokku
image = "ubuntu-16-04-x64"
# This is also the hostname and FQDN of the machine
name = "${var.digitalocean_dokku_subdomain}.${var.digitalocean_dokku_domain_tld}"
region = "${var.digitalocean_region}"
size = "${var.digitalocean_dokku_size}"
ssh_keys = [ "${digitalocean_ssh_key.pihvi.id}" ]
ipv6 = true
# Attach persistent volume
volume_ids = ["${digitalocean_volume.dokku_persistent_data.id}"]
user_data = <<EOF
#cloud-config
manage-resolv-conf: true
resolv_conf:
nameservers:
- '8.8.8.8'
- '8.8.4.4'
EOF
}
# Add floating ip for safe system updates
resource "digitalocean_floating_ip" "dokku" {
droplet_id = "${digitalocean_droplet.dokku.id}"
region = "${digitalocean_droplet.dokku.region}"
}
# Enable IPv4 (with floating ip-address)
resource "digitalocean_record" "dokku_ipv4" {
domain = "${var.digitalocean_dokku_domain_tld}"
type = "A"
name = "${var.digitalocean_dokku_subdomain}"
value = "${digitalocean_floating_ip.dokku.ip_address}"
}
# Enable IPv6 (non floating ip-address)
# To enable flaoting IPv6, Please vote for: https://digitalocean.uservoice.com/forums/136585-digitalocean/suggestions/10513887-floating-ip-ipv6
resource "digitalocean_record" "dokku_ipv6" {
domain = "${var.digitalocean_dokku_domain_tld}"
type = "AAAA"
name = "${var.digitalocean_dokku_subdomain}"
value = "${digitalocean_droplet.dokku.ipv6_address}"
}
# Enable CNAME for all subdomains
resource "digitalocean_record" "dokku_subdomains" {
domain = "${var.digitalocean_dokku_domain_tld}"
type = "CNAME"
name = "*.${var.digitalocean_dokku_subdomain}"
value = "${var.digitalocean_dokku_subdomain}.${var.digitalocean_dokku_domain_tld}."
}
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