From d1f8cc2e845abfddaff5391af3e30338b9ee6185 Mon Sep 17 00:00:00 2001
From: Dmitriy Pleshevskiy <dmitriy@pleshevski.ru>
Date: Thu, 30 Jan 2025 01:26:09 +0300
Subject: [PATCH] host/tatos: configure prometheus
---
hosts/tatos/services/default.nix | 3 +-
.../{grafana/default.nix => grafana.nix} | 0
hosts/tatos/services/prometheus.nix | 39 +++++++++++++++++++
3 files changed, 41 insertions(+), 1 deletion(-)
rename hosts/tatos/services/{grafana/default.nix => grafana.nix} (100%)
create mode 100644 hosts/tatos/services/prometheus.nix
diff --git a/hosts/tatos/services/default.nix b/hosts/tatos/services/default.nix
index ec55285..29bdf6c 100644
--- a/hosts/tatos/services/default.nix
+++ b/hosts/tatos/services/default.nix
@@ -2,10 +2,11 @@
{
imports = [
- ./grafana
./miniflux
./wireguard
./nginx.nix
./dns.nix
+ ./grafana.nix
+ ./prometheus.nix
];
}
diff --git a/hosts/tatos/services/grafana/default.nix b/hosts/tatos/services/grafana.nix
similarity index 100%
rename from hosts/tatos/services/grafana/default.nix
rename to hosts/tatos/services/grafana.nix
diff --git a/hosts/tatos/services/prometheus.nix b/hosts/tatos/services/prometheus.nix
new file mode 100644
index 0000000..bbebe23
--- /dev/null
+++ b/hosts/tatos/services/prometheus.nix
@@ -0,0 +1,39 @@
+{ config, hostsPath, ... }:
+
+let
+ istalData = import (hostsPath + "/istal/data.secret.nix");
+ nodeExporterPort = 40000;
+in
+{
+ services.prometheus.exporters.node = {
+ enable = true;
+ port = nodeExporterPort;
+ # https://github.com/NixOS/nixpkgs/blob/nixos-24.05/nixos/modules/services/monitoring/prometheus/exporters.nix
+ enabledCollectors = [ "systemd" ];
+ # /nix/store/zgsw0yx18v10xa58psanfabmg95nl2bb-node_exporter-1.8.1/bin/node_exporter --help
+ extraFlags = [ "--collector.ethtool" "--collector.softirqs" "--collector.tcpstat" "--collector.wifi" ];
+ };
+
+ # https://wiki.nixos.org/wiki/Prometheus
+ # https://nixos.org/manual/nixos/stable/#module-services-prometheus-exporters-configuration
+ # https://github.com/NixOS/nixpkgs/blob/nixos-24.05/nixos/modules/services/monitoring/prometheus/default.nix
+ services.prometheus = {
+ enable = true;
+ listenAddress = "127.0.0.1";
+ port = 33010;
+ globalConfig.scrape_interval = "15s"; # "1m"
+ scrapeConfigs = [
+ {
+ job_name = "node_dev";
+ static_configs = [
+ {
+ targets = [
+ "localhost:${toString nodeExporterPort}"
+ "${istalData.addr}:${toString nodeExporterPort}"
+ ];
+ }
+ ];
+ }
+ ];
+ };
+}