Add grafana+prometheus + embed into dashboard

3 files changed, 70 insertions, 0 deletions

diff --git a/modules/monitoring/default.nix b/modules/monitoring/default.nix
new file mode 100644
index 0000000..d93681b
--- /dev/null
+++ b/modules/monitoring/default.nix
@@ -0,0 +1,7 @@
+{ ... }:
+{
+  imports = [
+    ./grafana.nix
+    ./prometheus.nix
+  ];
+}
diff --git a/modules/monitoring/grafana.nix b/modules/monitoring/grafana.nix
new file mode 100644
index 0000000..8e98ffc
--- /dev/null
+++ b/modules/monitoring/grafana.nix
@@ -0,0 +1,29 @@
+{ lib, ... }:
+let
+  settings = import ../../settings.nix { inherit lib; };
+  ports = settings.network.ports;
+in
+{
+  services.grafana = {
+    enable = true;
+    settings = {
+      server = {
+        protocol = "http";
+        http_addr = "0.0.0.0";
+        http_port = ports.grafana;
+        domain = "grafana.local";
+        serve_from_sub_path = true;
+      };
+      security = {
+        secret_key = settings.grafana.secretKey;
+        allow_sign_up = false;
+        disable_initial_admin_creation = false;
+        disable_gravatar = true;
+        admin_user = settings.grafana.adminUser;
+        admin_email = settings.grafana.adminEmail;
+        admin_password = settings.grafana.adminPassword;
+        allow_embedding = true;
+      };
+    };
+  };
+}
diff --git a/modules/monitoring/prometheus.nix b/modules/monitoring/prometheus.nix
new file mode 100644
index 0000000..5f71c58
--- /dev/null
+++ b/modules/monitoring/prometheus.nix
@@ -0,0 +1,34 @@
+{ lib, ... }:
+let
+  settings = import ../../settings.nix { inherit lib; };
+  ports = settings.network.ports;
+in
+{
+  services.prometheus = {
+    enable = true;
+    port = ports.prometheus;
+
+    exporters.node = {
+      enable = true;
+      port = ports.prometheusNodeExporter;
+      enabledCollectors = [ "systemd" ];
+      extraFlags = [
+        "--collector.ethtool"
+        "--collector.softirqs"
+        "--collector.tcpstat"
+        "--collector.wifi"
+      ];
+    };
+
+    scrapeConfigs = [
+      {
+        job_name = "system";
+        scrape_interval = "10s";
+        static_configs = [{
+          targets = [ "127.0.0.1:${toString ports.prometheusNodeExporter}" ];
+        }];
+      }
+    ];
+  };
+}
+