don't enable dyndns for services not running

.github/workflows/arrow.yml

@@ -1,6 +1,6 @@
 name: Arrow
 
-run-name: Arrow - ${{ inputs.rebuild && 'Rebuild and ' || '' }}${{ inputs.action == 'create' && 'Create' || ( ${{ inputs.action == 'destroy' && 'Destroy' || 'No Action' ) }}
+run-name: Arrow - ${{ inputs.rebuild && 'Rebuild and ' || '' }}${{ inputs.action == 'create' && 'Create' || ( inputs.action == 'destroy' && 'Destroy' || 'No Action' ) }}
 
 env:
   TERRAFORM_DIRECTORY: hosts/arrow
@@ -27,6 +27,16 @@ on:
           - create
           - destroy
           - nothing
+      plan:
+        type: choice
+        required: false
+        options:
+          - vc2-1c-1gb # 25 GB / $5
+          - vc2-1c-2gb # 55 GB / $10 (default)
+          - vc2-2c-2gb # 65 GB / $15
+          - vc2-2c-4gb # 80 GB / $20
+          - vc2-4c-8gb # 160 GB / $40
+          - vc2-6c-16gb # 320 GB / $80
 
 jobs:
   build-deploy:
@@ -92,6 +102,8 @@ jobs:
       - name: Terraform Apply
         if: inputs.action == 'create'
         working-directory: ${{ env.TERRAFORM_DIRECTORY }}
+        env:
+          TF_VAR_vultr_plan: ${{ inputs.plan }}
         run: |
           terraform apply \
             -auto-approve \

hosts/arrow/main.tf

@@ -45,6 +45,13 @@ variable "vultr_api_key" {
   sensitive   = true
 }
 
+# https://api.vultr.com/v2/plans
+variable "vultr_plan" {
+  type        = string
+  description = "Size of instance to launch"
+  default     = "vc2-1c-2gb" # 55 GB SSD ($10/mo)
+}
+
 provider "aws" {
   region                      = "auto"
   skip_credentials_validation = true
@@ -75,7 +82,7 @@ resource "vultr_iso_private" "image" {
 }
 
 resource "vultr_instance" "arrow" {
-  plan                = "vc2-1c-2gb"
+  plan                = var.vultr_plan
   region              = "ewr"
   iso_id              = vultr_iso_private.image.id
   label               = "arrow"

hosts/tempest/default.nix

@@ -111,7 +111,6 @@ inputs.nixpkgs.lib.nixosSystem {
         steam.enable = true;
         legendary.enable = true;
         lutris.enable = true;
-        leagueoflegends.enable = true;
         ryujinx.enable = true;
       };
       services.vmagent.enable = true; # Enables Prometheus metrics

modules/nixos/services/influxdb2.nix

@@ -5,7 +5,7 @@
 
 { config, lib, ... }: {
 
-  config = {
+  config = lib.mkIf config.services.influxdb2.enable {
 
     services.influxdb2 = {
       provision = {

modules/nixos/services/irc.nix

@@ -1,6 +1,6 @@
-{ config, ... }: {
+{ config, lib, ... }: {
 
-  config = {
+  config = lib.mkIf config.services.thelounge.enable {
 
     services.thelounge = {
       public = false;

modules/nixos/services/prometheus.nix

@@ -108,7 +108,11 @@
     }];
 
     # Configure Cloudflare DNS to point to this machine
-    services.cloudflare-dyndns.domains = [ config.hostnames.prometheus ];
+    services.cloudflare-dyndns.domains =
+      if (config.services.prometheus.enable && isServer) then
+        [ config.hostnames.prometheus ]
+      else
+        [ ];
 
   };
 

modules/nixos/services/victoriametrics.nix

@@ -69,6 +69,13 @@ in {
       }];
     }];
 
+    # Configure Cloudflare DNS to point to this machine
+    services.cloudflare-dyndns.domains =
+      if config.services.victoriametrics.enable then
+        [ config.hostnames.prometheus ]
+      else
+        [ ];
+
     # VMAgent
 
     services.vmagent.prometheusConfig = prometheusConfig; # Overwritten below