chore(monitoring): separate external machines

modules/system/access.nix

@@ -206,11 +206,20 @@ in {
       default = domain;
     };
     global.enable = mkEnableOption "globally routeable";
-    online.enable =
-      mkEnableOption "a deployed machine"
-      // {
-        default = true;
-      };
+    online = let
+      proxmoxNodeAccess = systems.${config.proxmox.node.name}.config.access;
+    in {
+      enable =
+        mkEnableOption "a deployed machine"
+        // {
+          default = true;
+        };
+      available =
+        mkEnableOption "always on machine"
+        // {
+          default = cfg.online.enable && (config.type == "NixOS" || config.proxmox.node.enable || (config.proxmox.vm.enable && proxmoxNodeAccess.online.available));
+        };
+    };
     hostnameForNetwork = mkOption {
       type = attrsOf str;
       default = {};

modules/system/exports/monitoring.nix

@@ -249,7 +249,7 @@ in
           enable =
             mkEnableOption "health check alerts"
             // {
-              default = config.access.online.enable && config.type == "NixOS";
+              default = config.access.online.enable && config.access.online.available;
             };
         };
         services = mkOption {

nixos/monitoring/gatus.nix

@@ -157,12 +157,15 @@
   };
   groups = {
     services = "Services";
+    servers = "${groups.systems}/Servers";
     systems = "Systems";
     forSystem = system: let
       node = systems.${system.config.proxmox.node.name}.config;
     in
       if system.config.proxmox.enabled
-      then "${groups.systems}/${node.name}"
+      then "${groups.servers}/${node.name}"
+      else if system.config.access.online.available
+      then groups.servers
       else groups.systems;
   };
 in {

systems/u7pro/default.nix

@@ -1,6 +1,9 @@
 _: {
   type = "Linux";
-  access.hostName = "u7-pro";
+  access = {
+    hostName = "u7-pro";
+    online.available = true;
+  };
   network.networks = {
     local = {
       address4 = "10.1.1.3";