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terraform-digitalocean-spoke
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Many updates! terraform 0.14 formatting, nginx compat, error handling

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main
Dan Buch 3 years ago
parent 883213a3be
commit c1a57ba5d1
Signed by: meatballhat
GPG Key ID: 9685130D8B763EA7
4 changed files with 66 additions and 43 deletions
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86
main.tf
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@ -65,92 +65,97 @@ terraform {
}
}
variable server_name {
variable "server_name" {
description = "Server name used in nginx config"
type = string
}
variable base_url {
variable "base_url" {
description = "Fully qualified https URL of the app"
type = string
}
variable resource_prefix {
variable "resource_prefix" {
description = "Prefix prepended to resource names"
default = "spoke-"
type = string
}
variable node_options {
variable "nginx_site_override_conf" {
description = "Complete nginx site configuration override"
default = ""
}
variable "node_options" {
description = "Value defined at build time and run time as NODE_OPTIONS"
default = "--max_old_space_size=8192"
type = string
}
variable node_env {
variable "node_env" {
description = "Value defined at build time and run time as NODE_ENV"
default = "production"
type = string
}
variable port {
variable "port" {
description = "TCP port used to communicate between droplet and nginx"
default = "3000"
type = string
}
variable droplet_image {
variable "droplet_image" {
description = "Image to use when provisioning app droplet"
default = "ubuntu-20-04-x64"
type = string
}
variable droplet_size {
variable "droplet_size" {
description = "Size value passed when provisioning app droplet"
default = "s-1vcpu-1gb"
type = string
}
variable region {
variable "region" {
description = "Region in which all resources will be provisioned"
default = "nyc1"
type = string
}
variable spoke_version {
variable "spoke_version" {
description = "Git ref of MoveOnOrg/Spoke to deploy"
default = "v8.0"
type = string
}
variable ssh_keys {
variable "ssh_keys" {
type = list(string)
description = "List of ssh public keys to pass to droplet provisioning"
}
variable cert_private_key {
variable "cert_private_key" {
description = "Certificate key to pass to nginx"
type = string
}
variable cert_certificate {
variable "cert_certificate" {
description = "Certificate with leaf and intermediates to pass to nginx"
type = string
}
variable env {
variable "env" {
description = "Arbitrary *additional* environment variables passed at build time and run time"
default = {}
type = map(string)
}
resource digitalocean_ssh_key app {
resource "digitalocean_ssh_key" "app" {
count = length(var.ssh_keys)
name = "${var.resource_prefix}app-${count.index}"
public_key = element(var.ssh_keys, count.index)
}
resource digitalocean_droplet app {
resource "digitalocean_droplet" "app" {
image = var.droplet_image
name = "${var.resource_prefix}app"
region = var.region
@ -159,17 +164,17 @@ resource digitalocean_droplet app {
ssh_keys = digitalocean_ssh_key.app[*].id
}
resource digitalocean_floating_ip app {
resource "digitalocean_floating_ip" "app" {
droplet_id = digitalocean_droplet.app.id
region = digitalocean_droplet.app.region
}
resource digitalocean_firewall app {
resource "digitalocean_firewall" "app" {
name = "pghdsa-spoke-app"
droplet_ids = [digitalocean_droplet.app.id]
dynamic inbound_rule {
dynamic "inbound_rule" {
for_each = ["22", "80", "443"]
content {
protocol = "tcp"
@ -183,7 +188,7 @@ resource digitalocean_firewall app {
source_addresses = ["0.0.0.0/0", "::/0"]
}
dynamic outbound_rule {
dynamic "outbound_rule" {
for_each = ["tcp", "udp"]
content {
protocol = outbound_rule.value
@ -198,12 +203,12 @@ resource digitalocean_firewall app {
}
}
resource random_string session_secret {
resource "random_string" "session_secret" {
length = 199
special = false
}
resource random_string pg_password {
resource "random_string" "pg_password" {
length = 31
}
@ -231,7 +236,7 @@ locals {
}, var.env)
}
resource null_resource app_provision {
resource "null_resource" "app_provision" {
triggers = {
droplet_id = digitalocean_droplet.app.id
provision_script_sha1 = filesha1("${path.module}/spoke-app-provision")
@ -251,17 +256,17 @@ resource null_resource app_provision {
host = digitalocean_droplet.app.ipv4_address
}
provisioner file {
provisioner "file" {
source = "${path.module}/spoke-app-provision"
destination = "/tmp/spoke-app-provision"
}
provisioner file {
provisioner "file" {
source = "${path.module}/spoke-app-run"
destination = "/tmp/spoke-app-run"
}
provisioner file {
provisioner "file" {
content = templatefile("${path.module}/nginx-sites-default.conf.tpl", {
server_name = var.server_name,
port = var.port,
@ -269,17 +274,22 @@ resource null_resource app_provision {
destination = "/tmp/nginx-sites-default.conf"
}
provisioner file {
provisioner "file" {
content = var.nginx_site_override_conf
destination = "/tmp/nginx-sites-default-override.conf"
}
provisioner "file" {
content = var.cert_certificate
destination = "/tmp/spoke.crt"
}
provisioner file {
provisioner "file" {
content = var.cert_private_key
destination = "/tmp/spoke.key"
}
provisioner file {
provisioner "file" {
content = <<-ENVTMPL
%{for key, value in local.env_map~}
${key}='${value}'
@ -289,36 +299,32 @@ ENVTMPL
destination = "/tmp/app.env"
}
provisioner file {
provisioner "file" {
source = "${path.module}/spoke.service"
destination = "/tmp/spoke.service"
}
provisioner remote-exec {
inline = [
"bash /tmp/spoke-app-provision system0",
"sudo -H -u spoke bash /tmp/spoke-app-provision spoke0",
"bash /tmp/spoke-app-provision system1",
]
provisioner "remote-exec" {
script = "${path.module}/spoke-app-provision-wrapper"
}
}
output droplet_urn {
output "droplet_urn" {
description = "urn of the droplet suitable for adding to project resources"
value = digitalocean_droplet.app.urn
}
output droplet_ipv4_address {
output "droplet_ipv4_address" {
description = "ipv4 address of the droplet"
value = digitalocean_droplet.app.ipv4_address
}
output floating_ip_address {
output "floating_ip_address" {
description = "floating IP address assigned to the droplet suitable for creating a DNS A record"
value = digitalocean_floating_ip.app.ip_address
}
output floating_ip_urn {
output "floating_ip_urn" {
description = "urn of the floating IP address assigned to the droplet suitable for adding to project resources"
value = digitalocean_floating_ip.app.urn
}

9
spoke-app-provision
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@ -40,15 +40,15 @@ _run_system0() {
redis
dpkg --get-selections || true |
if ! grep -qE '^postgresql-client-11.+install$'; then
if ! grep -qE '^postgresql-client-13.+install$'; then
echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" |
sudo tee /etc/apt/sources.list.d/pgdg.list &>/dev/null
curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update -y
sudo apt-get install -y postgresql-11 postgresql-client-11
sudo apt-get install -y postgresql-13 postgresql-client-13
fi
pg_ctlcluster 11 main start
pg_ctlcluster 13 main start
sudo -H -u postgres bash <<PGSETUP
set -o allexport
# shellcheck source=/dev/null
@ -80,6 +80,9 @@ PGSETUP
chmod 0600 /home/spoke/spoke.crt /home/spoke/spoke.key
chown spoke /home/spoke/spoke.crt /home/spoke/spoke.key
cp -v /tmp/nginx-sites-default.conf /etc/nginx/sites-available/default
if [[ -s /tmp/nginx-sites-default-override.conf ]]; then
cp -v /tmp/nginx-sites-default-override.conf /etc/nginx/sites-available/default
fi
ln -svf /etc/nginx/sites-available/default /etc/nginx/sites-enabled/default
sha1sum /etc/nginx/sites-available/default
systemctl restart nginx

11
spoke-app-provision-wrapper
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@ -0,0 +1,11 @@
#!/usr/bin/env bash
set -o errexit
set -o pipefail
main() {
bash /tmp/spoke-app-provision system0
sudo -H -u spoke bash /tmp/spoke-app-provision spoke0
bash /tmp/spoke-app-provision system1
}
main "${@}"

3
spoke-app-run
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@ -7,6 +7,9 @@ main() {
# shellcheck source=/dev/null
source ~/.nvm/nvm.sh
nvm use
if [[ -f ./build/server/server/index.js ]]; then
exec node ./build/server/server
fi
exec npm start
}

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