Clean up bluegreen stuff

app.tf

@@ -1,24 +1,10 @@
-locals {
-  blue_resource_prefix  = "${var.resource_prefix}-appserver-b"
-  green_resource_prefix = "${var.resource_prefix}-appserver-g"
-}
-
-module "bluegreen" {
-  source  = "github.com/enwikipedia-acc/terraform-openstack-bluegreen?ref=0.2.0"
-
-  blue_dns_name       = "${local.blue_resource_prefix}.${data.openstack_dns_zone_v2.rootzone.name}"
-  green_dns_name      = "${local.green_resource_prefix}.${data.openstack_dns_zone_v2.rootzone.name}"
-  live_environment    = var.live_instance
-  staging_environment = var.staging_instance
-}
-
 module "application-blue" {
   source = "github.com/enwikipedia-acc/terraform-openstack-waca-application?ref=0.1.0"
 
-  count = module.bluegreen.blue_count
+  count = 1
 
-  dns_name        = module.bluegreen.blue_dns_name
-  resource_prefix = local.blue_resource_prefix
+  dns_name        = "${var.resource_prefix}-appserver-b.${data.openstack_dns_zone_v2.rootzone.name}"
+  resource_prefix = "${var.resource_prefix}-appserver-b"
   environment     = "blue"
   instance_type   = data.openstack_compute_flavor_v2.small.id
   network         = data.openstack_networking_network_v2.network.id
@@ -30,22 +16,3 @@ module "application-blue" {
     openstack_networking_secgroup_v2.app.name,
   ]
 }
-
-module "application-green" {
-  source = "github.com/enwikipedia-acc/terraform-openstack-waca-application"
-
-  count = module.bluegreen.green_count
-
-  dns_name        = module.bluegreen.green_dns_name
-  resource_prefix = local.green_resource_prefix
-  environment     = "green"
-  instance_type   = data.openstack_compute_flavor_v2.small.id
-  network         = data.openstack_networking_network_v2.network.id
-  dns_zone_id     = data.openstack_dns_zone_v2.rootzone.id
-  image_name      = "debian-11.0-bullseye"
-
-  security_groups = [
-    data.openstack_networking_secgroup_v2.default.name,
-    openstack_networking_secgroup_v2.app.name,
-  ]
-}

dns.tf

@@ -2,7 +2,7 @@ resource "openstack_dns_recordset_v2" "prod_app" {
   name    = "app-prod.${data.openstack_dns_zone_v2.rootzone.name}"
   zone_id = data.openstack_dns_zone_v2.rootzone.id
   type    = "CNAME"
-  records = [module.bluegreen.live_dns_name]
+  records = ["app-legacy.${data.openstack_dns_zone_v2.rootzone.name}"]
   ttl     = 180
 }
 
@@ -31,19 +31,3 @@ resource "cloudvps_web_proxy" "application_proxy_dev" {
   backends = ["http://app-prod.${trimsuffix(data.openstack_dns_zone_v2.rootzone.name, ".")}:80"]
 }
 
-resource "cloudvps_web_proxy" "staging_proxy" {
-  count = module.bluegreen.staging_count
-
-  hostname = local.staging_proxy_hostname
-  domain   = var.proxy_domain
-  backends = ["http://${trimsuffix(module.bluegreen.staging_dns_name, ".")}:80"]
-}
-
-
-resource "cloudvps_web_proxy" "staging_proxy_dev" {
-  count = module.bluegreen.staging_count
-
-  hostname = "${local.staging_proxy_hostname}-dev"
-  domain   = var.proxy_domain
-  backends = ["http://${trimsuffix(module.bluegreen.staging_dns_name, ".")}:80"]
-}

variables.tf

@@ -19,17 +19,6 @@ variable "resource_prefix" {
   default = "accounts"
 }
 
-# blue/green deployments
-variable "live_instance" {
-  type        = string
-  description = "The currently-active instance of the application"
-}
-
-variable "staging_instance" {
-  type        = string
-  description = "The instance of the application running as a staging environment"
-}
-
 # Proxies
 variable "proxy_domain" {
   type    = string