148 lines
3.5 KiB
Nix
148 lines
3.5 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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hosts = (import ../../lib/hosts.nix { inherit pkgs; }).hosts;
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monitoringHosts = filterAttrs (name: host:
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attrByPath ["clerie" "monitoring" "enable"] false host.config)
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hosts;
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monitoringHostsNames = mapAttrs' (name: host:
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nameValuePair "${host.config.clerie.monitoring.networkBase}${host.config.clerie.monitoring.id}" ["${host.config.networking.hostName}.mon.entr0py.de"])
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monitoringHosts;
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monitoringPeers = mapAttrsToList (name: host: {
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allowedIPs = [ "${host.config.clerie.monitoring.networkBase}${host.config.clerie.monitoring.id}/128" ];
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publicKey = host.config.clerie.monitoring.pubkey;
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})
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monitoringHosts;
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monitoringTargets = mapAttrsToList (name: host:
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"${host.config.networking.hostName}.mon.entr0py.de:9100")
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monitoringHosts;
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in {
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networking.hosts = {
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"fd00:23:23:23::1" = [ "monitoring-1.mon.entr0py.de" ];
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}
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// monitoringHostsNames;
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networking.wireguard.enable = true;
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networking.wireguard.interfaces = {
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wg-monitoring = {
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ips = [ "fd00:23:23:23::1/64" ];
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listenPort = 51820;
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peers = monitoringPeers;
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privateKeyFile = "/run/keys/wg-mon_priv";
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};
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};
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networking.firewall.allowedUDPPorts = [ config.networking.wireguard.interfaces.wg-monitoring.listenPort ];
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services.prometheus.exporters.node.enable = true;
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services.prometheus = {
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enable = true;
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listenAddress = "[::1]";
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scrapeConfigs = [
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{
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job_name = "prometheus";
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scrape_interval = "20s";
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scheme = "http";
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static_configs = [
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{
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targets = [
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"monitoring-1.mon.entr0py.de:9090"
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];
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}
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];
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}
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{
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job_name = "node-exporter";
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scrape_interval = "60s";
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static_configs = [
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{
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targets = [
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"monitoring-1.mon.entr0py.de:9100"
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]
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++ monitoringTargets;
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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.postgresql = {
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enable = true;
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package = pkgs.postgresql_12;
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ensureDatabases = [ "grafana" ];
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ensureUsers = [
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{
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name = "grafana";
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ensurePermissions."DATABASE grafana" = "ALL PRIVILEGES";
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}
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];
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};
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services.grafana = {
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enable = true;
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domain = "grafana.monitoring.entr0py.de";
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rootUrl = "https://grafana.monitoring.entr0py.de";
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port = 3001;
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addr = "::1";
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database = {
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type = "postgres";
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name = "grafana";
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user = "grafana";
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host = "/run/postgresql";
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};
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auth.anonymous.enable = true;
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security = {
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adminUser = "garionion";
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adminPasswordFile = "/run/keys/grafana-admin";
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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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type = "prometheus";
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name = "Prometheus";
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url = "http://[::1]:9090";
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isDefault = true;
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}
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];
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dashboards = [
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{
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options.path = ./dashboards;
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}
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];
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};
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};
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systemd.services.grafana.after = ["postgresql.service"];
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services.nginx = {
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enable = true;
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virtualHosts = {
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"prometheus.monitoring.entr0py.de" = {
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enableACME = true;
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forceSSL = true;
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locations."/".proxyPass = "http://[::1]:9090/";
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};
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"grafana.monitoring.entr0py.de" = {
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enableACME = true;
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forceSSL = true;
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locations."/".proxyPass = "http://[::1]:${toString config.services.grafana.port}/";
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};
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};
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};
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networking.firewall.allowedTCPPorts = [ 80 443 ];
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}
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