monitoring websites with gatus
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10 changed files with 262 additions and 25 deletions
64
nix/modules/monitoring/default.nix
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64
nix/modules/monitoring/default.nix
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@ -0,0 +1,64 @@
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{ lib, pkgs, nixpkgs-unstable, config, machines, ... }:
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let
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cfg = config.lab.monitoring;
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in
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{
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imports = [
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"${nixpkgs-unstable}/nixos/modules/services/monitoring/gatus.nix"
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];
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options = {
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lab.monitoring = {
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enable = lib.mkOption {
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default = true;
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type = lib.types.bool;
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};
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server.enable = lib.mkOption {
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default = false;
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type = lib.types.bool;
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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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networking.firewall.allowedTCPPorts = [ config.services.prometheus.exporters.node.port ]
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++ lib.lists.optionals cfg.server.enable [ config.services.prometheus.port ];
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services.prometheus = {
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enable = cfg.server.enable;
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exporters = {
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node = {
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enable = true;
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};
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};
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scrapeConfigs = lib.mkIf cfg.server.enable (
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lib.attrsets.mapAttrsToList
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(name: machine:
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let
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domain = if machine.isPhysical then "hyp" else "dmz";
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in
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{
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job_name = name;
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static_configs = [{
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targets = [ "${name}.${domain}:${toString config.services.prometheus.exporters.node.port}" ];
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}];
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})
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machines
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);
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};
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services.gatus = lib.mkIf cfg.server.enable {
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enable = true;
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package = pkgs.unstable.gatus;
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openFirewall = true;
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settings = {
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web.port = 4242;
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endpoints = import ./gatus-endpoints.nix;
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};
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};
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};
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}
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187
nix/modules/monitoring/gatus-endpoints.nix
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187
nix/modules/monitoring/gatus-endpoints.nix
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@ -0,0 +1,187 @@
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let
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status = code: "[STATUS] == ${toString code}";
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bodyContains = text: "[BODY] == pat(*${text}*)";
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maxResponseTime = ms: "[RESPONSE_TIME] < ${toString ms}";
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endpoints = [
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{
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name = "Forgejo";
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url = "https://git.kun.is";
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conditions = [
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(status 200)
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(bodyContains "Forgejo: Beyond coding. We forge.")
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(maxResponseTime 750)
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];
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}
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{
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name = "Nextcloud";
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url = "https://cloud.kun.is/status.php";
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conditions = [
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(status 200)
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"[BODY].installed == true"
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"[BODY].maintenance == false"
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"[BODY].needsDbUpgrade == false"
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(maxResponseTime 750)
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];
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}
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{
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name = "Paperless-ngx";
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url = "https://paperless.kun.is/accounts/login/";
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conditions = [
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(status 200)
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(bodyContains "Please sign in.")
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(maxResponseTime 750)
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];
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}
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{
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name = "Radicale";
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url = "https://dav.kun.is/.web/";
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conditions = [
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(status 200)
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(bodyContains "Login")
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(maxResponseTime 750)
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];
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}
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{
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name = "FreshRSS";
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url = "https://rss.kun.is/i/";
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conditions = [
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(status 200)
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(bodyContains "Login")
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(maxResponseTime 750)
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];
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}
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{
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name = "KitchenOwl";
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url = "https://boodschappen.kun.is/signin";
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conditions = [
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(status 200)
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(bodyContains "<title>KitchenOwl</title>")
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(maxResponseTime 750)
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];
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}
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{
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name = "HedgeDoc";
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url = "https://md.kun.is/";
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conditions = [
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(status 200)
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(bodyContains "The best platform to write and share markdown.")
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(maxResponseTime 750)
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];
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}
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{
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name = "Cyberchef";
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url = "https://cyberchef.kun.is/";
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conditions = [
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(status 200)
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(bodyContains "CyberChef - The Cyber Swiss Army Knife")
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(maxResponseTime 750)
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];
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}
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{
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name = "Pi-hole";
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url = "https://pihole.kun.is:444/admin/login.php";
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conditions = [
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(status 200)
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(bodyContains "Log in")
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(maxResponseTime 750)
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];
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}
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{
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name = "Inbucket";
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url = "https://inbucket.kun.is:444/";
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conditions = [
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(status 200)
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(bodyContains "<title>Inbucket</title>")
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(maxResponseTime 750)
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];
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}
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{
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name = "kms";
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url = "tcp://kms.kun.is:1688";
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conditions = [
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"[CONNECTED] == true"
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];
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}
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{
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name = "Bazarr";
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url = "https://bazarr.kun.is:444/system/status";
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conditions = [
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(status 200)
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(bodyContains "<title>Bazarr</title>")
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(maxResponseTime 750)
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];
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}
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{
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name = "Sonarr";
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url = "https://sonarr.kun.is:444/system/status";
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conditions = [
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(status 200)
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(bodyContains "<title>Sonarr</title>")
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(maxResponseTime 750)
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];
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}
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{
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name = "Radarr";
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url = "https://radarr.kun.is:444/system/status";
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conditions = [
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(status 200)
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(bodyContains "<title>Radarr</title>")
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(maxResponseTime 750)
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];
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}
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{
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name = "Jellyfin";
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url = "https://media.kun.is/web/index.html#!/login.html?";
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conditions = [
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(status 200)
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(bodyContains "<title>Jellyfin</title>")
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(maxResponseTime 750)
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];
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}
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{
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name = "Jellyseerr";
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url = "https://jellyseerr.kun.is:444/login";
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conditions = [
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(status 200)
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(bodyContains "Sign in to continue")
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(maxResponseTime 750)
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];
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}
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{
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name = "Prowlarr";
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url = "https://prowlarr.kun.is:444/system/status";
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conditions = [
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(status 200)
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(bodyContains "<title>Prowlarr</title>")
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(maxResponseTime 750)
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];
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}
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{
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name = "Transmission";
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url = "https://transmission.kun.is:444/transmission/web/";
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conditions = [
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(status 200)
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(bodyContains "Transmission Web Interface")
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(maxResponseTime 750)
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];
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}
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{
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name = "Syncthing";
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url = "https://sync.kun.is:444/";
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conditions = [
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(status 401)
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(maxResponseTime 750)
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];
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}
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{
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name = "Traefik";
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url = "https://traefik.kun.is:444/dashboard/#/";
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conditions = [
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(status 200)
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(bodyContains "<title>Traefik</title>")
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(maxResponseTime 750)
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];
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}
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];
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in
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map (endpoint: endpoint // { interval = "5m"; }) endpoints
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