From 3db3fa23998972cd17e821a4150d4a3672b9664b Mon Sep 17 00:00:00 2001
From: Jeremy Dormitzer <jeremydormitzer@lola.com>
Date: Fri, 4 Dec 2020 07:15:55 -0500
Subject: [PATCH] Pull remaining droplet IPs from remote state

---
 mgmt/do-jeremydormitzer-com/main.tf  | 37 ++++++++++++++++++++++++----
 prod/git-jeremydormitzer-com/main.tf |  4 +++
 prod/syncthing/main.tf               |  4 +++
 3 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/mgmt/do-jeremydormitzer-com/main.tf b/mgmt/do-jeremydormitzer-com/main.tf
index ac7b8b2..1753f35 100644
--- a/mgmt/do-jeremydormitzer-com/main.tf
+++ b/mgmt/do-jeremydormitzer-com/main.tf
@@ -19,15 +19,42 @@ data "terraform_remote_state" "jdormit_website" {
   }
 }
 
+data "terraform_remote_state" "git_jeremydormitzer_com" {
+  backend = "s3"
+
+  config = {
+    skip_credentials_validation = true
+    skip_metadata_api_check     = true
+    access_key                  = var.spaces_access_id
+    secret_key                  = var.spaces_secret_key
+    region                      = "us-east-1"
+    endpoint                    = "nyc3.digitaloceanspaces.com"
+    bucket                      = "jdormit-tf-state"
+    key                         = "prod/git-jeremydormitzer-com.tfstate"
+  }
+}
+
+data "terraform_remote_state" "syncthing" {
+  backend = "s3"
+
+  config = {
+    skip_credentials_validation = true
+    skip_metadata_api_check     = true
+    access_key                  = var.spaces_access_id
+    secret_key                  = var.spaces_secret_key
+    region                      = "us-east-1"
+    endpoint                    = "nyc3.digitaloceanspaces.com"
+    bucket                      = "jdormit-tf-state"
+    key                         = "prod/syncthing.tfstate"
+  }
+}
+
 # This domain is registered via Google Domains, so the nameservers
 # there need to point to DO's nameservers
 resource "digitalocean_domain" "jeremydormitzer_com" {
   name = "jeremydormitzer.com"
 }
 
-# TODO once these services are managed by Terraform, update the IP
-# addresses to pull from Terraform state
-
 resource "digitalocean_record" "top_level_a" {
   domain = digitalocean_domain.jeremydormitzer_com.name
   type   = "A"
@@ -64,7 +91,7 @@ resource "digitalocean_record" "git" {
   domain = digitalocean_domain.jeremydormitzer_com.name
   type   = "A"
   name   = "git"
-  value  = "159.203.78.16"
+  value  = data.terraform_remote_state.git_jeremydormitzer_com.outputs.git_ip_address
   ttl    = 3600
 }
 
@@ -98,7 +125,7 @@ resource "digitalocean_record" "syncthing" {
   domain = digitalocean_domain.jeremydormitzer_com.name
   type   = "A"
   name   = "syncthing"
-  value  = "198.199.86.10"
+  value  = data.terraform_remote_state.syncthing.outputs.syncthing_ip_address
   ttl    = 3600
 }
 
diff --git a/prod/git-jeremydormitzer-com/main.tf b/prod/git-jeremydormitzer-com/main.tf
index 119822f..c352147 100644
--- a/prod/git-jeremydormitzer-com/main.tf
+++ b/prod/git-jeremydormitzer-com/main.tf
@@ -11,3 +11,7 @@ resource "digitalocean_droplet" "git_jeremydormitzer_com" {
   size    = "s-1vcpu-1gb"
   backups = true
 }
+
+output "git_ip_address" {
+  value = digitalocean_droplet.git_jeremydormitzer_com.ipv4_address
+}
diff --git a/prod/syncthing/main.tf b/prod/syncthing/main.tf
index 8fa079d..ec37c4e 100644
--- a/prod/syncthing/main.tf
+++ b/prod/syncthing/main.tf
@@ -18,3 +18,7 @@ resource "digitalocean_volume" "syncthing_volume" {
   region = "nyc1"
   size   = 100
 }
+
+output "syncthing_ip_address" {
+  value = digitalocean_droplet.jdormit_syncthing.ipv4_address
+}