123 lines
2.7 KiB
Nix
123 lines
2.7 KiB
Nix
# Grafana dashboards for all the things!
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{ config, lib, pkgs, ... }:
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let
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cfg = config.my.services.monitoring;
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in
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{
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options.my.services.monitoring = with lib; {
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enable = mkEnableOption "monitoring";
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grafana = {
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port = mkOption {
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type = types.port;
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default = 9500;
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example = 3001;
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description = "Internal port";
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};
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username = mkOption {
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type = types.str;
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default = "ambroisie";
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example = "admin";
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description = "Admin username";
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};
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passwordFile = mkOption {
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type = types.str;
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example = "/var/lib/grafana/password.txt";
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description = "Admin password stored in a file";
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};
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};
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prometheus = {
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port = mkOption {
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type = types.port;
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default = 9501;
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example = 3002;
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description = "Internal port";
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};
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scrapeInterval = mkOption {
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type = types.str;
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default = "15s";
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example = "1m";
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description = "Scrape interval";
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};
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};
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};
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config = lib.mkIf cfg.enable {
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services.grafana = {
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enable = true;
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domain = "monitoring.${config.networking.domain}";
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port = cfg.grafana.port;
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addr = "127.0.0.1"; # Proxied through Nginx
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security = {
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adminUser = cfg.grafana.username;
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adminPasswordFile = cfg.grafana.passwordFile;
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};
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provision = {
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enable = true;
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datasources = [
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{
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name = "Prometheus";
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type = "prometheus";
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url = "http://localhost:${toString cfg.prometheus.port}";
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jsonData = {
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timeInterval = cfg.prometheus.scrapeInterval;
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};
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}
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];
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dashboards = [
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{
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name = "Node Exporter";
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options.path = pkgs.nur.repos.alarsyo.grafanaDashboards.node-exporter;
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disableDeletion = true;
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}
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];
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};
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};
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services.prometheus = {
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enable = true;
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port = cfg.prometheus.port;
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listenAddress = "127.0.0.1";
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retentionTime = "2y";
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exporters = {
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node = {
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enable = true;
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enabledCollectors = [ "systemd" ];
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port = 9100;
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listenAddress = "127.0.0.1";
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};
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};
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globalConfig = {
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scrape_interval = cfg.prometheus.scrapeInterval;
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};
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scrapeConfigs = [
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{
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job_name = config.networking.hostName;
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static_configs = [{
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targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.node.port}" ];
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}];
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}
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];
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};
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my.services.nginx.virtualHosts = [
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{
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subdomain = "monitoring";
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inherit (cfg.grafana) port;
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}
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];
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};
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}
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