122 lines
2.6 KiB
Nix
122 lines
2.6 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}: let
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inherit
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(lib)
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mkEnableOption
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mkIf
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mkOption
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;
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cfg = config.my.services.monitoring;
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domain = config.networking.domain;
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hostname = config.networking.hostName;
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fqdn = "${hostname}.${domain}";
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in {
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options.my.services.monitoring = let
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inherit (lib) types;
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in {
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enable = mkEnableOption "Enable monitoring";
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domain = mkOption {
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type = types.str;
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default = "monitoring.${config.networking.domain}";
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example = "monitoring.example.com";
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description = "Domain to use in reverse proxy";
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};
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scrapeInterval = mkOption {
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type = types.str;
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default = "15s";
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example = "1m";
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description = "prometheus scrape interval";
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};
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};
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config = mkIf cfg.enable {
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services.grafana = {
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enable = true;
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domain = cfg.domain;
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port = 3000;
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addr = "127.0.0.1";
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provision = {
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enable = true;
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datasources = [
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{
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name = "Prometheus";
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type = "prometheus";
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url = "http://localhost:${toString config.services.prometheus.port}";
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jsonData = {
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timeInterval = cfg.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.packages.grafanaDashboards.node-exporter;
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disableDeletion = true;
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}
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{
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name = "NGINX";
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options.path = pkgs.packages.grafanaDashboards.nginx;
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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 = 9090;
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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.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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{
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targets = ["127.0.0.1:${toString config.services.prometheus.exporters.node.port}"];
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}
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];
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}
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];
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};
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services.nginx = {
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virtualHosts.${cfg.domain} = {
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locations."/" = {
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proxyPass = "http://127.0.0.1:${toString config.services.grafana.port}";
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proxyWebsockets = true;
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};
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forceSSL = true;
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useACMEHost = fqdn;
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};
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};
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security.acme.certs.${fqdn}.extraDomainNames = [cfg.domain];
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};
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}
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