add grafana

hosts/chunk/grafana.nix

@@ -0,0 +1,31 @@
+{config,...}: {
+  services.grafana = {
+    enable = true;
+    settings.server = {
+      http_addr = "127.0.0.1";
+      http_port = 8088;
+      enforce_domain = true;
+      enable_gzip = true;
+      domain = "grafana.cything.io";
+    };
+    settings.analytics.reporting_enabled = false;
+  };
+
+  services.prometheus = {
+    enable = true;
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = [ "systemd" ];
+      };
+    };
+    scrapeConfigs = [
+      {
+        job_name = "chrysalis";
+        static_configs = [{
+          targets = ["127.0.0.1:${toString config.services.prometheus.exporters.node.port}"];
+        }];
+      }
+    ];
+  };
+}