feat: add error pages to nginx on bekkalokk

base/default.nix

@@ -1,4 +1,9 @@
-{ pkgs, lib, fp, ... }:
+{
+  pkgs,
+  lib,
+  fp,
+  ...
+}:
 
 {
   imports = [
@@ -8,6 +13,7 @@
     ./networking.nix
     ./nix.nix
     ./vm.nix
+    ./flake-input-exporter.nix
 
     ./services/acme.nix
     ./services/uptimed.nix
@@ -57,11 +63,11 @@
   # home-manager usually handles this for you: https://github.com/nix-community/home-manager/blob/22a36aa709de7dd42b562a433b9cefecf104a6ee/modules/programs/bash.nix#L203-L209
   # btw, programs.bash.shellInit just goes into environment.shellInit which in turn goes into /etc/profile, spooky shit
   programs.bash.shellInit = ''
-   if [ -n "''${BASH_VERSION:-}" ]; then
-     if [[ ! -f ~/.bash_profile && ! -f ~/.bash_login ]]; then
-      [[ -f ~/.bashrc ]] && . ~/.bashrc
-     fi
-   fi
+    if [ -n "''${BASH_VERSION:-}" ]; then
+      if [[ ! -f ~/.bash_profile && ! -f ~/.bash_login ]]; then
+       [[ -f ~/.bashrc ]] && . ~/.bashrc
+      fi
+    fi
   '';
 
   programs.zsh.enable = true;

base/flake-input-exporter.nix

@@ -0,0 +1,55 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  values,
+  ...
+}:
+let
+  data = lib.flip lib.mapAttrs inputs (
+    name: input: {
+      inherit (input)
+        lastModified
+        ;
+    }
+  );
+  folder = pkgs.writeTextDir "share/flake-inputs" (
+    lib.concatMapStringsSep "\n" (
+      { name, value }: ''nixos_last_modified_input{flake="${name}"} ${toString value.lastModified}''
+    ) (lib.attrsToList data)
+  );
+  port = 9102;
+in
+{
+  services.nginx.virtualHosts."${config.networking.fqdn}-nixos-metrics" = {
+    serverName = config.networking.fqdn;
+    serverAliases = [
+      "${config.networking.hostName}.pvv.org"
+    ];
+    locations."/metrics" = {
+      root = "${folder}/share";
+      tryFiles = "/flake-inputs =404";
+      extraConfig = ''
+        default_type text/plain;
+      '';
+    };
+    listen = [
+      {
+        inherit port;
+        addr = "0.0.0.0";
+      }
+    ];
+    extraConfig = ''
+      allow ${values.hosts.ildkule.ipv4}/32;
+      allow ${values.hosts.ildkule.ipv6}/128;
+      allow 127.0.0.1/32;
+      allow ::1/128;
+      allow 129.241.210.128/25;
+      allow 2001:700:300:1900::/64;
+      deny all;
+    '';
+  };
+
+  networking.firewall.allowedTCPPorts = [ port ];
+}

flake.lock

@@ -48,11 +48,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1758386174,
-        "narHash": "sha256-iNDxHSDdb/LlqDbqP9BcZd1QEmks4iYiyN34UhUizZ8=",
+        "lastModified": 1758919016,
+        "narHash": "sha256-TSJMOWq9dO7P1iQB4httzWwAtpM1veacLcaS7FAyTpo=",
         "ref": "refs/heads/main",
-        "rev": "a21fdfe56743afc7de1fb14597711fbd97ddef76",
-        "revCount": 50,
+        "rev": "c87263b784954d20485d108e70934c9316935d75",
+        "revCount": 51,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Grzegorz/greg-ng.git"
       },
@@ -159,11 +159,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1758363343,
-        "narHash": "sha256-TWem5ajoX0vD7j1v/cg3XU7GHWW10HRUQbZL++QNXLk=",
-        "rev": "b2a3852bd078e68dd2b3dfa8c00c67af1f0a7d20",
+        "lastModified": 1760254360,
+        "narHash": "sha256-Npp92Joy2bRyickrrVP9+85z31aGS8kVNiLlKvd5pC4=",
+        "rev": "bafe987a29b8bea2edbb3aba76b51464b3d222f0",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/25.05-small/nixos-25.05.810175.b2a3852bd078/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/25.05-small/nixos-25.05.811161.bafe987a29b8/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -172,11 +172,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1758361324,
-        "narHash": "sha256-uCqhgJlmxP3UmyCNZ21ucc5Ic0I2le3rA7+Q61UH1YA=",
-        "rev": "0f3383ef02bc092d2f82afa4e556743c6e6b74d6",
+        "lastModified": 1760252326,
+        "narHash": "sha256-5v32B25kSE++E+KtP4DO687r/AlWL9qOlOjtYyfcDSw=",
+        "rev": "66e5020bfe0af40ffa127426f8405edbdadbb40b",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-25.11pre864278.0f3383ef02bc/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-25.11pre876242.66e5020bfe0a/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -268,11 +268,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758007585,
-        "narHash": "sha256-HYnwlbY6RE5xVd5rh0bYw77pnD8lOgbT4mlrfjgNZ0c=",
+        "lastModified": 1760240450,
+        "narHash": "sha256-sa9bS9jSyc4vH0jSWrUsPGdqtMvDwmkLg971ntWOo2U=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "f77d4cfa075c3de66fc9976b80e0c4fc69e2c139",
+        "rev": "41fd1f7570c89f645ee0ada0be4e2d3c4b169549",
         "type": "github"
       },
       "original": {

hosts/bekkalokk/services/500.html

@@ -0,0 +1,99 @@
+<!DOCTYPE html>
+<html lang="no">
+<head>
+  <meta charset="utf-8">
+  <title>500 – Intern serverfeil | PVV</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <style>
+    body {
+      margin: 0;
+      padding: 0;
+      font-family: 'Open Sans', sans-serif;
+      background-color: #002244;
+      color: #f0f0f0;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      height: 100vh;
+      text-align: center;
+    }
+    .box {
+      max-width: 480px;
+      padding: 2rem;
+    }
+    .logo {
+      width: 30%;
+      height: auto;
+      margin: 0 auto 2rem;
+    }
+    h1 {
+      margin: 0 0 1rem;
+      font-size: 2.25rem;
+      font-weight: 700;
+    }
+    p {
+      margin: 0 0 1.25rem;
+      font-size: 1.05rem;
+      line-height: 1.4;
+    }
+    .error-code {
+      margin: 1.5rem 0;
+      opacity: 0.7;
+    }
+    .contact {
+      margin-top: 1.75rem;
+      font-size: 0.93rem;
+      line-height: 1.4;
+    }
+    .contact a {
+      color: #bcd025;
+      text-decoration: none;
+    }
+    ul {
+      padding: 0;
+      list-style: none;
+      margin: 0.5rem 0 0;
+    }
+    li {
+      margin: 0.35rem 0;
+    }
+  </style>
+</head>
+<body>
+  <div class="box">
+    <div class="logo">
+      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200">
+        <path fill="#283681" d="M0 0h200v200H0z"/>
+        <g fill="none" fill-opacity="0" stroke="#fff" stroke-width="1.1">
+          <path d="M119.6 180H78.3"/>
+          <path d="M179.3 55.8v124.3h-55"/>
+          <path stroke-linecap="square" d="M124.6 180a2.5 2.5 0 0 0-2.5-2.5 2.5 2.5 0 0 0-2.6 2.6H78.6a2.5 2.5 0 0 0-2.5-2.6 2.5 2.5 0 0 0-2.6 2.6H19.2V19.9h160v30H175v6.2h4.3"/>
+        </g>
+        <circle cx="396.8" cy="400" r="320.3" fill="none" stroke="#fff" stroke-miterlimit="10" stroke-width="4.2" transform="scale(.25)"/>
+        <g fill="none" fill-opacity="0" stroke="#fff" stroke-width="1.1">
+          <path stroke-linejoin="bevel" d="M128.6 43.4h-86v113.3h113.2V53.8l-9.7-10.5h-6.8L137 45h-5.4"/>
+          <path d="M131.6 83c0 1.9-1.3 3.4-3 3.4H57c-1.6 0-3-1.6-3-3.5v-36c0-1.9 1.4-3.4 3-3.4h71.7c1.7 0 3 1.5 3 3.4z"/>
+          <path d="M131.7 83.4a3 3 0 0 1-3 3H74.2a3 3 0 0 1-3-3v-37a3 3 0 0 1 3-3h54.5a3 3 0 0 1 3 3zm12.8 70a3 3 0 0 1-3 3H56.9a3 3 0 0 1-3-3V95.3a3 3 0 0 1 3-3h84.6a3 3 0 0 1 3 3zM45 147.6h6.4v5.7H45zm101.9 0h6.4v5.7H147z"/>
+          <path d="M108.4 48.4h16.2v34.4h-16.2z"/>
+        </g>
+        <path fill="#fff" stroke="#fff" stroke-miterlimit="10" stroke-width="4.2" d="M275 541.6c0 3.5 2.7 6.4 6.2 6.4 3.6 0 6.5-2.9 6.5-6.4v-31h30.8c10.5 0 19.2-8.7 19.2-19.2v-22.7c0-10.3-8.7-19-19.2-19H275zm12.7-43.8v-35.4h30.8c3.3 0 6.5 3 6.5 6.3v22.7c0 3.6-3 6.5-6.5 6.5zm78.3-19 25.3 65.2a6.4 6.4 0 0 0 12 0l25.4-65.3V456c0-3.4-2.9-6.3-6.4-6.3a6.3 6.3 0 0 0-6.3 6.3v20.3l-18.6 47.6-18.7-47.6V456c0-3.4-2.9-6.3-6.4-6.3a6.3 6.3 0 0 0-6.3 6.3zm91 0 25.4 65.2a6.4 6.4 0 0 0 12 0l25.4-65.3V456c0-3.4-2.9-6.3-6.4-6.3a6.3 6.3 0 0 0-6.3 6.3v20.3l-18.7 47.6-18.6-47.6V456c0-3.4-3-6.3-6.5-6.3a6.3 6.3 0 0 0-6.3 6.3z" transform="scale(.25)"/>
+      </svg>
+    </div>
+
+    <h1>50X: Intern serverfeil</h1>
+    <p>Beklager, noe gikk galt.</p>
+    <p>Vennligst prøv igjen senere eller gå til forsiden.</p>
+    <div class="error-code">Feilkode: 50X</div>
+
+    <div class="contact">
+      <p>Kontakt drift hvis problemet vedvarer:</p>
+      <ul>
+        <li><strong>Discord:</strong> <a href="https://discord.gg/pyDDFpbG2x" target="_blank">discord.gg/pyDDFpbG2x</a></li>
+        <li><strong>Matrix:</strong> <a href="https://matrix.to/#/#pvv:pvv.ntnu.no" target="_blank">#pvv:pvv.ntnu.no</a></li>
+        <li><strong>E‑post:</strong> <a href="mailto:drift@pvv.ntnu.no">drift@pvv.ntnu.no</a></li>
+      </ul>
+    </div>
+  </div>
+</body>
+</html>
+

hosts/bekkalokk/services/nginx.nix

@@ -1,4 +1,10 @@
 { pkgs, config, ... }:
 {
-  services.nginx.enable = true;
+  services.nginx = {
+    enable = true;
+    appendHttpConfig = ''
+      error_page 500 502 503 504 /500.html;
+    '';
+  };
+  environment.etc."nginx/html/500.html".source = ./500.html;
 }

hosts/bekkalokk/services/website/default.nix

@@ -122,5 +122,17 @@ in {
       "/diverse/abuse.php".return = "301 https://wiki.pvv.ntnu.no/wiki/CERT/Abuse";
       "/nerds/".return = "301 https://wiki.pvv.ntnu.no/wiki/Nerdepizza";
     };
+
+
+    extraConfig = ''
+      error_page 500 502 503 504 /500.html;
+    '';
+    locations."/500.html" = {
+      root = "/etc/static/nginx/html";
+      extraConfig = ''
+        internal;
+      '';
+    };
+
   };
 }

hosts/bicep/services/matrix/hookshot/default.nix

@@ -77,14 +77,14 @@ in
         outbound = true;
         urlPrefix = "https://hookshot.pvv.ntnu.no/webhook/";
         userIdPrefix = "_webhooks_";
-        allowJsTransformationFunctions = false;
+        allowJsTransformationFunctions = true;
         waitForComplete = false;
       };
       feeds = {
         enabled = true;
         pollIntervalSeconds = 600;
       };
-      
+
       serviceBots = [
         { localpart = "bot_feeds";
           displayname = "Aya";
@@ -94,6 +94,11 @@ in
         }
       ];
 
+      widgets = {
+        roomSetupWidget.addOnInvite = false;
+        publicUrl = "https://hookshot.pvv.ntnu.no/widgetapi/v1/static";
+      };
+
       permissions = [
         # Users of the PVV Server
         { actor = "pvv.ntnu.no";
@@ -128,6 +133,7 @@ in
 
   services.nginx.virtualHosts."hookshot.pvv.ntnu.no" = {
     enableACME = true;
+    addSSL = true;
     locations."/" = {
       proxyPass = "http://${webhookListenAddress}:${toString webhookListenPort}";
     };

hosts/ildkule/services/monitoring/prometheus/machines.nix

@@ -8,25 +8,26 @@
 
   defaultNodeExporterPort = 9100;
   defaultSystemdExporterPort = 9101;
+  defaultNixosExporterPort = 9102;
 in {
   services.prometheus.scrapeConfigs = [{
     job_name = "base_info";
     static_configs = [
-      (mkHostScrapeConfig "ildkule" [ cfg.exporters.node.port cfg.exporters.systemd.port ])
+      (mkHostScrapeConfig "ildkule" [ cfg.exporters.node.port cfg.exporters.systemd.port defaultNixosExporterPort ])
 
-      (mkHostScrapeConfig "bekkalokk" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "bicep" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "brzeczyszczykiewicz" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "georg" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "kommode" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "ustetind" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "wenche" [ defaultNodeExporterPort defaultSystemdExporterPort ])
+      (mkHostScrapeConfig "bekkalokk" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "bicep" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "brzeczyszczykiewicz" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "georg" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "kommode" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "ustetind" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "wenche" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
 
-      (mkHostScrapeConfig "lupine-1" [ defaultNodeExporterPort defaultSystemdExporterPort ])
+      (mkHostScrapeConfig "lupine-1" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       # (mkHostScrapeConfig "lupine-2" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "lupine-3" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "lupine-4" [ defaultNodeExporterPort defaultSystemdExporterPort ])
-      (mkHostScrapeConfig "lupine-5" [ defaultNodeExporterPort defaultSystemdExporterPort ])
+      (mkHostScrapeConfig "lupine-3" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "lupine-4" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "lupine-5" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
 
       (mkHostScrapeConfig "hildring" [ defaultNodeExporterPort ])
       (mkHostScrapeConfig "isvegg" [ defaultNodeExporterPort ])