split genepi monitoring in two modules

hosts/genepi/default.nix

@@ -16,7 +16,7 @@
     ./freshrss.nix
     ./hardware.nix
     ./immich.nix
-    ./monitoring.nix
+    ./monitoring
     ./network.nix
     ./nginx.nix
     ./persistence.nix

hosts/genepi/monitoring/default.nix

@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./grafana.nix
+    ./prometheus.nix
+  ];
+}

hosts/genepi/monitoring/grafana.nix

@@ -0,0 +1,40 @@
+{ config, ... }:
+let
+  domain = "home.rpqt.fr";
+in
+{
+  services.grafana = {
+    enable = true;
+    settings = {
+      server = {
+        http_port = 3000;
+        domain = "grafana.${domain}";
+      };
+    };
+    provision = {
+      enable = true;
+      datasources = {
+        settings = {
+          datasources = [
+            {
+              name = "Prometheus";
+              type = "prometheus";
+              access = "proxy";
+              url = "http://127.0.0.1:${toString config.services.prometheus.port}";
+              isDefault = true;
+            }
+          ];
+        };
+      };
+    };
+  };
+
+  services.nginx.virtualHosts.${config.services.grafana.settings.server.domain} = {
+    forceSSL = true;
+    useACMEHost = "${domain}";
+    locations."/" = {
+      proxyPass = "http://127.0.0.1:${toString config.services.grafana.settings.server.http_port}";
+      proxyWebsockets = true;
+    };
+  };
+}

hosts/genepi/monitoring/prometheus.nix

@@ -1,12 +1,9 @@
 {
-  config,
   lib,
   self,
   ...
 }:
 let
-  domain = "home.rpqt.fr";
-
   allHosts = self.nixosConfigurations;
 
   hostInTailnetFilter = k: v: v.config.services.tailscale.enable;
@@ -47,41 +44,6 @@ let
   );
 in
 {
-  services.grafana = {
-    enable = true;
-    settings = {
-      server = {
-        http_port = 3000;
-        domain = "grafana.${domain}";
-      };
-    };
-    provision = {
-      enable = true;
-      datasources = {
-        settings = {
-          datasources = [
-            {
-              name = "Prometheus";
-              type = "prometheus";
-              access = "proxy";
-              url = "http://127.0.0.1:${toString config.services.prometheus.port}";
-              isDefault = true;
-            }
-          ];
-        };
-      };
-    };
-  };
-
-  services.nginx.virtualHosts.${config.services.grafana.settings.server.domain} = {
-    forceSSL = true;
-    useACMEHost = "${domain}";
-    locations."/" = {
-      proxyPass = "http://127.0.0.1:${toString config.services.grafana.settings.server.http_port}";
-      proxyWebsockets = true;
-    };
-  };
-
   services.prometheus = {
     enable = true;
     port = 9001;