Add monitoring host

services/monitoring/default.nix

@@ -0,0 +1,7 @@
+{ ... }:
+{
+  imports = [
+    ./loki.nix
+    ./grafana.nix
+  ];
+}

services/monitoring/grafana.nix

@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+{
+  services.grafana = {
+    enable = true;
+    settings = {
+      server = {
+        http_addr = "";
+      };
+    };
+  };
+}

services/monitoring/loki.nix

@@ -0,0 +1,42 @@
+{ ... }:
+{
+  services.loki = {
+    enable = true;
+    configuration = {
+      auth_enabled = false;
+
+      server = {
+        http_listen_port = 3100;
+      };
+      common = {
+        ring = {
+          instance_addr = "127.0.0.1";
+          kvstore = {
+            store = "inmemory";
+          };
+        };
+        replication_factor = 1;
+        path_prefix = "/var/lib/loki";
+      };
+      schema_config = {
+        configs = [
+          {
+            from = "2024-01-01";
+            store = "tsdb";
+            object_store = "filesystem";
+            schema = "v13";
+            index = {
+              prefix = "loki_index_";
+              period = "24h";
+            };
+          }
+        ];
+      };
+      storage_config = {
+        filesystem = {
+          directory = "/var/lib/loki/chunks";
+        };
+      };
+    };
+  };
+}

services/monitoring/prometheus.nix

@@ -0,0 +1,6 @@
+{ ... }:
+{
+  services.prometheus = {
+    enable = true;
+  };
+}