Initial commit

modules/grafana/default.nix

@@ -0,0 +1,57 @@
+{ pkgs, config, ... }:
+{
+  services.grafana = {
+    enable = true;
+
+    settings = {
+      server = {
+        http_addr = "127.0.0.1";
+        http_port = 2342;
+        domain = "grafana.pele";
+      };
+    };
+
+    provision = {
+      datasources.settings.datasources = [
+        {
+          name = "Prometheus";
+          type = "prometheus";
+          url = "http://${config.services.prometheus.listenAddress}:${toString config.services.prometheus.port}";
+        }
+      ];
+    };
+  };
+
+  services.nginx.virtualHosts.${config.services.grafana.settings.server.domain} = {
+    locations."/" = {
+      proxyPass = "http://${toString config.services.grafana.settings.server.http_addr}:${toString config.services.grafana.settings.server.http_port}";
+      proxyWebsockets = true;
+    };
+  };
+
+  services.prometheus = {
+    enable = true;
+    port = 9001;
+
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = [ "systemd" ];
+        port = 9002;
+      };
+    };
+
+    scrapeConfigs = [
+      {
+        job_name = "nixos";
+        static_configs = [
+          {
+            targets = [
+              "127.0.0.1:${toString config.services.prometheus.exporters.node.port}"
+            ];
+          }
+        ];
+      }
+    ];
+  };
+}