Abstract customised images.

Images currently set are either multiarch or ARM64.
Users willing to create their own k8s cluster in different architectures
should find it easier to change images causing problems to desirable format.

step3/infrastructure/adguard.tf

@@ -180,7 +180,7 @@ resource "kubernetes_deployment" "adguard" {
         }
         container {
           name  = "adguard"
-          image = "adguard/adguardhome:arm64-edge"
+          image = var.images.adguard
           port {
             container_port = 53
             protocol       = "TCP"

step3/infrastructure/master-backup.tf

@@ -83,7 +83,7 @@ resource "kubernetes_cron_job" "etcd_backup" {
             }
             container {
               name  = "etcd-backup"
-              image = "gcr.io/etcd-development/etcd:v3.4.15-arm64"
+              image = var.images.etcd
               env {
                 name  = "ETCDCTL_API"
                 value = "3"

step3/infrastructure/torrent.tf

@@ -149,7 +149,7 @@ resource "kubernetes_deployment" "flood-torrent" {
         }
         container {
           name  = "flood-torrent"
-          image = "ghcr.io/lukaszraczylo/flood:1.2292.7"
+          image = var.images.flood_torrent
           env {
             name  = "FLOOD_DISABLE_AUTH"
             value = "true"

step3/infrastructure/variables.tf

@@ -1,6 +1,7 @@
 variable "network_subnet" {}
 variable "nfs_storage" {}
 variable "net_hosts" {}
+variable "images" {}
 variable "traefik_api_key" {}
 variable "github_user" {}
 variable "github_pat" {}

step3/variables.tfvars

@@ -14,5 +14,12 @@ nfs_storage = {
   adguard = "/mnt/drobo-storage/docker-volumes/adguard"
 }
 
+# Images definition to make it easier to update
+images = {
+  flood_torrent = "ghcr.io/lukaszraczylo/flood:1.2292.7"
+  etcd = "gcr.io/etcd-development/etcd:v3.4.15-arm64"
+  adguard = "adguard/adguardhome:arm64-edge"
+}
+
 # ENV variable: TRAEFIK_API_KEY sets traefik_api_key
 # ENV variable: GH_USER, GH_PAT for authentication with private containers