WIP: Move krb5 realm to pvv.local, make sane ldap structure

This reverts commit 4a67eddf52.

.gitea/workflows/build-topology-graph.yml

@@ -7,16 +7,13 @@ jobs:
   evals:
     runs-on: debian-latest
     steps:
+    - name: Install sudo
+      run: apt-get install --update --assume-yes sudo
+
     - uses: actions/checkout@v6
 
-    - name: Install sudo
-      run: apt-get update && apt-get -y install sudo
-
     - uses: https://github.com/cachix/install-nix-action@v31
 
-    - name: Configure Nix
-      run: echo -e "show-trace = true\nmax-jobs = auto\ntrusted-users = root\nexperimental-features = nix-command flakes\nbuild-users-group =" > /etc/nix/nix.conf
-
     - name: Build topology graph
       run: nix build .#topology -L
 

.gitea/workflows/eval.yml

@@ -6,8 +6,11 @@ jobs:
   evals:
     runs-on: debian-latest
     steps:
+    - name: Install sudo
+      run: apt-get install --update --assume-yes sudo
+
     - uses: actions/checkout@v6
-    - run: apt-get update && apt-get -y install sudo
+
     - uses: https://github.com/cachix/install-nix-action@v31
-    - run: echo -e "show-trace = true\nmax-jobs = auto\ntrusted-users = root\nexperimental-features = nix-command flakes\nbuild-users-group =" > /etc/nix/nix.conf
+
     - run: nix flake check

.mailmap

@@ -23,3 +23,9 @@ Adrian Gunnar Lauterer <adriangl@pvv.ntnu.no> Adrian Gunnar Lauterer <adrian@lau
 
 Fredrik Robertsen <frero@pvv.ntnu.no> frero <frero@pvv.ntnu.no>
 Fredrik Robertsen <frero@pvv.ntnu.no> fredrikr79 <fredrikrobertsen7@gmail.com>
+Fredrik Robertsen <frero@pvv.ntnu.no> fredrik <fredrikr79@pm.me>
+
+Vegard Bieker Matthey <vegardbm@pvv.ntnu.no> Vegard Matthey <VegardMatthey@protonmail.com>
+Vegard Bieker Matthey <vegardbm@pvv.ntnu.no> Vegard Bieker Matthey <VegardMatthey@protonmail.com>
+
+Albert Bayazidi <albertba@pvv.ntnu.no> Albert <albert.bayazidi@gmail.com>

.sops.yaml

@@ -10,17 +10,17 @@ keys:
   - &user_vegardbm age1sqs7urnzsdy64efmd0zukzv3gs5pnjksuxd7nqmdwdy5l0nqnunq6hyune
 
   # Hosts
-  - &host_bakke age1syted6kt48sumjjucggh6r3uca4x2ppp4mfungf3lamkt2le05csc99633
   - &host_bekkalokk age12nj59tguy9wg882updc2vjdusx5srnxmjyfaqve4zx6jnnsaw3qsyjq6zd
   - &host_bicep age19nk55kcs7s0358jpkn75xnr57dfq6fq3p43nartvsprx0su22v7qcgcjdx
-  - &host_ildkule age1x28hmzvuv6f2n66c0jtqcca3h9rput8d7j5uek6jcpx8n9egd52sqpejq0
+  - &host_ildkule age102e6y8gah0ntr6fxqnkpepc8ar29p6ls7ks9ka7v8w87q8scm9yqmc2u8d
   - &host_kommode age1mt4d0hg5g76qp7j0884llemy0k2ymr5up8vfudz6vzvsflk5nptqqd32ly
-  - &host_lupine-1 age1fkrypl6fu4ldsa7te4g3v4qsegnk7sd6qhkquuwzh04vguy96qus08902e
+  - &host_lupine-1 age18lta9d683yekz487xwtd99da236d8mgk4ftlmv2jffx858p9qf2s9j868l
-  - &host_lupine-2 age1mu0ej57n4s30ghealhyju3enls83qyjua69986la35t2yh0q2s0seruz5n
+  - &host_lupine-2 age1e0a4ru707v637wzmuxqv0xywmlkhunzgyfy4mrkjc7a23qq8msgq7nqtvt
-  - &host_lupine-3 age1j2u876z8hu87q5npfxzzpfgllyw8ypj66d7cgelmzmnrf3xud34qzkntp9
+  - &host_lupine-3 age1wmrrhd5deatmgflkas636u3rzuk46u9knl02v4t39ncs37xqquhq9vwzye
-  - &host_lupine-4 age1t8zlawqkmhye737pn8yx0z3p9cl947d9ktv2cajdc6hnvn52d3fsc59s2k
+  - &host_lupine-4 age1ml48zztcmnrdrhrdsjrlyxf09jtmjgz46u8td4zm59wn3fm4g57qs4wg0l
-  - &host_lupine-5 age199zkqq4jp4yc3d0hx2q0ksxdtp42xhmjsqwyngh8tswuck34ke3smrfyqu
+  - &host_lupine-5 age12gws5nws69vxryd3kt7q0ayngch90efmhqcrfhnnsmj00lkgxd4qsdkvqn
-  - &host_ustetind age1hffjafs4slznksefmtqrlj7rdaqgzqncn4un938rhr053237ry8s3rs0v8
+  - &host_skrot age1hzkvnktkr8t5gvtq0ccw69e44z5z6wf00n3xhk3hj24emf07je5s6q2evr
+  - &host_gluttony age12czfkvuw9pjk5qny5c6m2hjhd634cj9r4dsa3ss5zkux5h4vvc7s7k4urq
 
 creation_rules:
   # Global secrets
@@ -91,19 +91,6 @@ creation_rules:
       pgp:
       - *user_oysteikt
 
-  - path_regex: secrets/ustetind/[^/]+\.yaml$
-    key_groups:
-    - age:
-      - *host_ustetind
-      - *user_danio
-      - *user_felixalb
-      - *user_pederbs_sopp
-      - *user_pederbs_nord
-      - *user_pederbs_bjarte
-      - *user_vegardbm
-      pgp:
-      - *user_oysteikt
-
   - path_regex: secrets/lupine/[^/]+\.yaml$
     key_groups:
     - age:
@@ -121,10 +108,10 @@ creation_rules:
       pgp:
       - *user_oysteikt
 
-  - path_regex: secrets/bakke/[^/]+\.yaml$
+  - path_regex: secrets/skrot/[^/]+\.yaml$
     key_groups:
     - age:
-      - *host_bakke
+      - *host_skrot
       - *user_danio
       - *user_felixalb
       - *user_pederbs_sopp
@@ -134,13 +121,15 @@ creation_rules:
       pgp:
       - *user_oysteikt
 
-  - path_regex: secrets/skrott/[^/]+\.yaml$
+  - path_regex: secrets/gluttony/[^/]+\.yaml$
     key_groups:
     - age:
+      - *host_gluttony
       - *user_danio
       - *user_felixalb
       - *user_pederbs_sopp
       - *user_pederbs_nord
       - *user_pederbs_bjarte
+      - *user_vegardbm
       pgp:
       - *user_oysteikt

README.md

@@ -39,10 +39,13 @@ revert the changes on the next nightly rebuild (tends to happen when everybody i
 |  bikkje                    | Virtual  | Experimental login box                                    |
 | [brzeczyszczykiewicz][brz] | Physical | Shared music player                                       |
 | [georg][geo]               | Physical | Shared music player                                       |
+| [gluttony][glu]            | Virtual  | General purpose compute                                   |
 | [ildkule][ild]             | Virtual  | Logging and monitoring host, prometheus, grafana, ...     |
 | [kommode][kom]             | Virtual  | Gitea + Gitea pages                                       |
 | [lupine][lup]              | Physical | Gitea CI/CD runners                                       |
 |  shark                     | Virtual  | Test host for authentication, absolutely horrendous       |
+| [skrot][skr]               | Physical | Kiosk, snacks and soda                                    |
+| [temmie][tem]              | Virtual  | User websites                                             |
 | [wenche][wen]              | Virtual  | Nix-builders, general purpose compute                     |
 
 ## Documentation
@@ -56,7 +59,10 @@ revert the changes on the next nightly rebuild (tends to happen when everybody i
 [bic]: https://wiki.pvv.ntnu.no/wiki/Maskiner/bicep
 [brz]: https://wiki.pvv.ntnu.no/wiki/Maskiner/brzęczyszczykiewicz
 [geo]: https://wiki.pvv.ntnu.no/wiki/Maskiner/georg
+[glu]: https://wiki.pvv.ntnu.no/wiki/Maskiner/gluttony
 [ild]: https://wiki.pvv.ntnu.no/wiki/Maskiner/ildkule
 [kom]: https://wiki.pvv.ntnu.no/wiki/Maskiner/kommode
 [lup]: https://wiki.pvv.ntnu.no/wiki/Maskiner/lupine
+[skr]: https://wiki.pvv.ntnu.no/wiki/Maskiner/Skrot
+[tem]: https://wiki.pvv.ntnu.no/wiki/Maskiner/temmie
 [wen]: https://wiki.pvv.ntnu.no/wiki/Maskiner/wenche

base/default.nix

@@ -10,14 +10,20 @@
     (fp /users)
     (fp /modules/snakeoil-certs.nix)
 
+    ./mitigations.nix
+
+    ./flake-input-exporter.nix
+    ./hardening.nix
     ./networking.nix
     ./nix.nix
+    ./programs.nix
+    ./sops.nix
     ./vm.nix
-    ./flake-input-exporter.nix
 
     ./services/acme.nix
     ./services/auto-upgrade.nix
     ./services/dbus.nix
+    ./services/fluentbit.nix
     ./services/fwupd.nix
     ./services/irqbalance.nix
     ./services/journald-upload.nix
@@ -28,7 +34,6 @@
     ./services/postfix.nix
     ./services/prometheus-node-exporter.nix
     ./services/prometheus-systemd-exporter.nix
-    ./services/promtail.nix
     ./services/roowho2.nix
     ./services/smartd.nix
     ./services/thermald.nix
@@ -40,6 +45,9 @@
   boot.tmp.cleanOnBoot = lib.mkDefault true;
   boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
 
+  boot.loader.systemd-boot.enable = lib.mkDefault true;
+  boot.loader.efi.canTouchEfiVariables = lib.mkDefault true;
+
   time.timeZone = "Europe/Oslo";
 
   i18n.defaultLocale = "en_US.UTF-8";
@@ -48,22 +56,8 @@
     keyMap = "no";
   };
 
-  environment.systemPackages = with pkgs; [
+  # Don't install the /lib/ld-linux.so.2 stub
-    file
+  environment.ldso32 = null;
-    git
-    gnupg
-    htop
-    nano
-    net-tools
-    ripgrep
-    rsync
-    screen
-    tmux
-    vim
-    wget
-
-    kitty.terminfo
-  ];
 
   # .bash_profile already works, but lets also use .bashrc like literally every other distro
   # https://man.archlinux.org/man/core/bash/bash.1.en#INVOCATION
@@ -77,15 +71,19 @@
     fi
   '';
 
-  programs.zsh.enable = true;
-
-  # security.lockKernelModules = true;
-  security.protectKernelImage = true;
   security.sudo.execWheelOnly = true;
   security.sudo.extraConfig = ''
     Defaults lecture = never
   '';
 
+  # These are servers, sleep is for the weak
+  systemd.sleep.settings.Sleep = {
+    AllowSuspend = lib.mkDefault false;
+    AllowHibernation = lib.mkDefault false;
+  };
+
+  # users.mutableUsers = lib.mkDefault false;
+
   users.groups."drift".name = "drift";
 
   # Trusted users on the nix builder machines

base/hardening.nix

@@ -0,0 +1,71 @@
+{ ... }:
+{
+  boot.blacklistedKernelModules = [
+    # Obscure network protocols
+    "appletalk"
+    "atm"
+    "ax25"
+    "batman-adv"
+    "can"
+    "dccp"
+    "ipx"
+    "llc"
+    "n-hdlc"
+    "netrom"
+    "p8022"
+    "p8023"
+    "psnap"
+    "rds"
+    "rose"
+    "sctp"
+    "tipc"
+
+    # Filesystems we don't use
+    "adfs"
+    "affs"
+    "befs"
+    "bfs"
+    "cifs"
+    "cramfs"
+    "efs"
+    "exofs"
+    "freevxfs"
+    "gfs2"
+    "hfs"
+    "hfsplus"
+    "hpfs"
+    "jffs2"
+    "jfs"
+    "minix"
+    "nilfs2"
+    "ntfs"
+    "omfs"
+    "orangefs"
+    "qnx4"
+    "qnx6"
+    "sysv"
+    "ubifs"
+    "udf"
+    "ufs"
+
+    # Legacy hardware
+    "pcspkr"
+    "floppy"
+    "parport"
+    "ppdev"
+
+    # Other stuff we don't use
+    "firewire-core"
+    "firewire-ohci"
+    "ksmbd"
+    "ib_core"
+    "l2tp_eth"
+    "l2tp_netlink"
+    "l2tp_ppp"
+    "nfc"
+    "soundwire"
+  ];
+
+  # security.lockKernelModules = true;
+  security.protectKernelImage = true;
+}

base/mitigations.nix

@@ -0,0 +1,24 @@
+{ pkgs, lib, ... }:
+let
+  modulesToBan = [
+    # copy.fail
+    "af_alg"
+    "algif_aead"
+    "algif_hash"
+    "algif_rng"
+    "algif_skcipher"
+
+    # dirtyfrag / Fragnesia
+    "esp4"
+    "esp6"
+    "rxrpc"
+
+    # PinTheft
+    "rds"
+  ];
+in
+{
+  boot.blacklistedKernelModules = modulesToBan;
+
+  boot.extraModprobeConfig = lib.concatMapStringsSep "\n" (mod: "install ${mod} ${lib.getExe' pkgs.coreutils "false"}") modulesToBan;
+}

base/networking.nix

@@ -3,11 +3,15 @@
   systemd.network.enable = true;
   networking.domain = "pvv.ntnu.no";
   networking.useDHCP = false;
+  # networking.search = [ "pvv.ntnu.no" "pvv.org" ];
+  # networking.nameservers = lib.mkDefault [ "129.241.0.200" "129.241.0.201" ];
+  # networking.tempAddresses = lib.mkDefault "disabled";
+  # networking.defaultGateway = values.hosts.gateway;
 
   # The rest of the networking configuration is usually sourced from /values.nix
 
   services.resolved = {
     enable = lib.mkDefault true;
-    dnssec = "false"; # Supposdly this keeps breaking and the default is to allow downgrades anyways...
+    settings.Resolve.DNSSEC = false; # Supposdly this keeps breaking and the default is to allow downgrades anyways...
   };
 }

base/nix.nix

@@ -37,4 +37,9 @@
       "unstable=${inputs.nixpkgs-unstable}"
     ];
   };
+
+  # Make builds to be more likely killed than important services.
+  # 100 is the default for user slices and 500 is systemd-coredumpd@
+  # We rather want a build to be killed than our precious user sessions as builds can be easily restarted.
+  systemd.services.nix-daemon.serviceConfig.OOMScoreAdjust = lib.mkDefault 250;
 }

base/programs.nix

@@ -0,0 +1,68 @@
+{ pkgs, lib, ... }:
+{
+  # We don't need fonts on headless machines
+  fonts.fontconfig.enable = lib.mkDefault false;
+
+  # Extra packags for better terminal emulator compatibility in SSH sessions
+  environment.enableAllTerminfo = true;
+
+  environment.systemPackages = with pkgs; [
+    # Debug dns outside resolvectl
+    dig
+
+    # Debug and find files
+    file
+
+    # Process json data
+    jq
+
+    # Check computer specs
+    lshw
+
+    # Check who is keeping open files
+    lsof
+
+    # Scan for open ports with netstat
+    net-tools
+
+    # Grep for files quickly
+    ripgrep
+
+    # Copy files over the network
+    rsync
+
+    # Access various state, often in /var/lib
+    sqlite-interactive
+
+    # Debug software which won't debug itself
+    strace
+
+    # Download files from the internet
+    wget
+  ];
+
+  # Clone/push nix config and friends
+  programs.git.enable = true;
+
+  # Gitea gpg, oysteikt sops, etc.
+  programs.gnupg.agent.enable = true;
+
+  # Monitor the wellbeing of the machines
+  programs.htop.enable = true;
+
+  # Keep sessions running during work over SSH
+  programs.tmux.enable = true;
+
+  # Same reasoning as tmux
+  programs.screen.enable = true;
+
+  # Edit files on the system without resorting to joe(1)
+  programs.nano.enable = true;
+  # Same reasoning as nano
+  programs.vim.enable = true;
+  # Same reasoning as vim
+  programs.neovim.enable = true;
+
+  # Some people like this shell for some reason
+  programs.zsh.enable = true;
+}

base/services/acme.nix

@@ -8,8 +8,6 @@
   # Let's not spam LetsEncrypt in `nixos-rebuild build-vm` mode:
   virtualisation.vmVariant = {
     security.acme.defaults.server = "https://127.0.0.1";
-    security.acme.preliminarySelfsigned = true;
-
     users.users.root.initialPassword = "root";
   };
 }

base/services/auto-upgrade.nix

@@ -28,7 +28,7 @@ in
 
   # workaround for https://github.com/NixOS/nix/issues/6895
   # via https://git.lix.systems/lix-project/lix/issues/400
-  environment.etc = lib.mkIf (!config.virtualisation.isVmVariant) {
+  environment.etc = lib.mkIf (!config.virtualisation.isVmVariant && config.system.autoUpgrade.enable) {
     "current-system-flake-inputs.json".source
       = pkgs.writers.writeJSON "flake-inputs.json" (
         lib.flip lib.mapAttrs inputs (name: input:

base/services/fluentbit.nix

@@ -0,0 +1,135 @@
+{ config, lib, ... }:
+let
+  cfg = config.services.fluent-bit;
+in
+{
+  services.fluent-bit = {
+    enable = lib.mkDefault true;
+    settings = {
+      service = {
+        flush = 1;
+        log_level = "warn";
+
+        http_server = "on";
+        http_listen = "127.0.0.1";
+        http_port = 28183;
+
+        # filesystem-backed buffering so logs survives potential outages.
+        "storage.path" = "/var/lib/fluent-bit/storage";
+        "storage.sync" = "normal";
+        "storage.max_chunks_up" = 64;
+        "storage.backlog.mem_limit" = "16M";
+      };
+
+      pipeline = {
+        inputs = [{
+          name = "systemd";
+          tag = "journal.*";
+
+          db = "/var/lib/fluent-bit/journal.db";
+          read_from_tail = true;
+          strip_underscores = true;
+          lowercase = true;
+          max_entries = 1000;
+          "storage.type" = "filesystem";
+        }];
+
+        filters = [{
+          name = "modify";
+          match = "journal.*";
+          rename = [
+            "hostname host"
+            "priority level"
+            "systemd_unit unit"
+          ];
+        }] ++ (lib.mapAttrsToList (k: v: {
+          name = "modify";
+          match = "journal.*";
+          condition = "Key_value_equals level ${k}";
+          set = "level ${v}";
+        }) {
+          "7" = "debug";
+          "6" = "info";
+          "5" = "notice";
+          "4" = "warning";
+          "3" = "error";
+          "2" = "crit";
+          "1" = "alert";
+          "0" = "emergency";
+        });
+
+        outputs = [{
+          name = "loki";
+          match = "*";
+
+          host = "ildkule.pvv.ntnu.no";
+          port = 3100;
+          uri = "/loki/api/v1/push";
+          compress = "gzip";
+
+          labels = lib.concatStringsSep ", " [
+            "job=systemd-journal"
+          ];
+          label_keys = lib.concatMapStringsSep "," (k: "$" + k) [
+            "host"
+            "unit"
+            "level"
+          ];
+
+          # JSON is probably fine for now, then we just extract the keys we want with the grafana web ui
+          # line_format = "key_value";
+          # drop_single_key = true;
+
+          "storage.total_limit_size" = "256M";
+        }];
+      };
+    };
+  };
+
+  systemd.services.fluent-bit = lib.mkIf cfg.enable {
+    serviceConfig = {
+      StateDirectory = "fluent-bit";
+
+      # NOTE: This hardening might be way too strong for general purpose use, don't upstream this.
+      AmbientCapabilities = [ "" ];
+      CapabilityBoundingSet = [ "" ];
+      DeviceAllow = [ "" ];
+      LockPersonality = true;
+      # Lua JIT, maybe other things
+      MemoryDenyWriteExecute = false;
+      NoNewPrivileges = true;
+      PrivateDevices = true;
+      PrivateMounts = true;
+      PrivateTmp = true;
+      PrivateUsers = true;
+      ProtectClock = true;
+      ProtectControlGroups = true;
+      ProtectHome = true;
+      ProtectHostname = true;
+      ProtectKernelLogs = true;
+      ProtectKernelModules = true;
+      ProtectKernelTunables = true;
+      ProtectProc = "invisible";
+      ProtectSystem = "strict";
+      RestrictAddressFamilies = [
+        "AF_INET"
+        "AF_INET6"
+        "AF_UNIX"
+      ];
+      RestrictNamespaces = true;
+      RestrictRealtime = true;
+      RestrictSUIDSGID = true;
+      SystemCallArchitectures = "native";
+      SystemCallFilter = [
+        "@system-service"
+        "~@privileged"
+        "~@resources"
+      ];
+      UMask = "0077";
+
+      BindReadOnlyPaths = [
+        "/run/systemd/journal"
+      ];
+    };
+  };
+}

base/services/journald-upload.nix

@@ -6,8 +6,7 @@ in
   services.journald.upload = {
     enable = lib.mkDefault true;
     settings.Upload = {
-      # URL = "https://journald.pvv.ntnu.no:${toString config.services.journald.remote.port}";
+      URL = "https://journald.pvv.ntnu.no:${toString config.services.journald.remote.port}";
-      URL = "https://${values.hosts.ildkule.ipv4}:${toString config.services.journald.remote.port}";
       ServerKeyFile = "-";
       ServerCertificateFile = "-";
       TrustedCertificateFile = "-";

base/services/nginx.nix

@@ -39,7 +39,8 @@
     SystemCallFilter = lib.mkForce null;
   };
 
-  services.nginx.virtualHosts."_" = lib.mkIf config.services.nginx.enable {
+  services.nginx.virtualHosts = lib.mkIf config.services.nginx.enable {
+    "_" = {
       listen = [
         {
           addr = "0.0.0.0";
@@ -64,4 +65,12 @@
       addSSL = true;
       extraConfig = "return 444;";
     };
+
+    ${config.networking.fqdn} = {
+      sslCertificate = lib.mkDefault "/etc/certs/nginx.crt";
+      sslCertificateKey = lib.mkDefault "/etc/certs/nginx.key";
+      addSSL = lib.mkDefault true;
+      extraConfig = lib.mkDefault "return 444;";
+    };
+  };
 }

base/services/promtail.nix

@@ -1,38 +0,0 @@
-{ config, lib, values, ... }:
-let
-  cfg = config.services.prometheus.exporters.node;
-in
-{
-  services.promtail = {
-    enable = lib.mkDefault true;
-    configuration = {
-      server = {
-        http_listen_port = 28183;
-        grpc_listen_port = 0;
-      };
-      clients = [{
-        url = "http://ildkule.pvv.ntnu.no:3100/loki/api/v1/push";
-      }];
-      scrape_configs = [{
-        job_name = "systemd-journal";
-        journal = {
-          max_age = "12h";
-          labels = {
-            job = "systemd-journal";
-            host = config.networking.hostName;
-          };
-        };
-        relabel_configs = [
-          {
-            source_labels = [ "__journal__systemd_unit" ];
-            target_label = "unit";
-          }
-          {
-            source_labels = [ "__journal_priority_keyword" ];
-            target_label = "level";
-          }
-        ];
-      }];
-    };
-  };
-}

base/services/smartd.nix

@@ -1,7 +1,9 @@
 { config, pkgs, lib, ... }:
 {
   services.smartd = {
-    enable = lib.mkDefault true;
+    # NOTE: qemu guests tend not to have SMART-reporting disks. Please override for the
+    #       hosts with disk passthrough.
+    enable = lib.mkDefault (!config.services.qemuGuest.enable);
     notifications = {
       mail = {
         enable = true;

base/sops.nix

@@ -0,0 +1,12 @@
+{ config, fp, lib, ... }:
+{
+  sops.defaultSopsFile = let
+    secretsFilePath = fp /secrets/${config.networking.hostName}/${config.networking.hostName}.yaml;
+  in lib.mkIf (builtins.pathExists secretsFilePath) secretsFilePath;
+
+  sops.age = lib.mkIf (config.sops.defaultSopsFile != null) {
+    sshKeyPaths = lib.mkDefault [ "/etc/ssh/ssh_host_ed25519_key" ];
+    keyFile = "/var/lib/sops-nix/key.txt";
+    generateKey = true;
+  };
+}

base/vm.nix

@@ -11,5 +11,6 @@
   };
   config.virtualisation.vmVariant = {
     virtualisation.isVmVariant = true;
+    virtualisation.graphics = false;
   };
 }

docs/secret-management.md

@@ -151,7 +151,7 @@ is up to date, you can do the following:
 
 ```console
 # Fetch gpg (unless you have it already)
-nix-shell -p gpg
+nix shell nixpkgs#gnupg
 
 # Import oysteikts key to the gpg keychain
 gpg --import ./keys/oysteikt.pub

flake.lock

@@ -1,18 +1,32 @@
 {
   "nodes": {
+    "crane": {
+      "locked": {
+        "lastModified": 1776635034,
+        "narHash": "sha256-OEOJrT3ZfwbChzODfIH4GzlNTtOFuZFWPtW7jIeR8xU=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "dc7496d8ea6e526b1254b55d09b966e94673750f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
     "dibbler": {
       "inputs": {
-        "flake-utils": "flake-utils",
         "nixpkgs": [
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1768138611,
+        "lastModified": 1771267058,
-        "narHash": "sha256-KfZX6wpuwE2IRKLjh0DrEviE4f6kqLJWwKIE5QJSqa4=",
+        "narHash": "sha256-EEL4SmD1b3BPJPsSJJ4wDTXWMumJqbR+BLzhJJG0skE=",
         "ref": "main",
-        "rev": "cb385097dcda5fb9772f903688d078b30a66ccd4",
+        "rev": "e3962d02c78b9c7b4d18148d931a9a4bf22e7902",
-        "revCount": 221,
+        "revCount": 254,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/dibbler.git"
       },
@@ -29,16 +43,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1736864502,
+        "lastModified": 1768920986,
-        "narHash": "sha256-ItkIZyebGvNH2dK9jVGzJHGPtb6BSWLN8Gmef16NeY0=",
+        "narHash": "sha256-CNzzBsRhq7gg4BMBuTDObiWDH/rFYHEuDRVOwCcwXw4=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "0141aabed359f063de7413f80d906e1d98c0c123",
+        "rev": "de5708739256238fb912c62f03988815db89ec9a",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "v1.11.0",
+        "ref": "v1.13.0",
         "repo": "disko",
         "type": "github"
       }
@@ -48,11 +62,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1765835352,
+        "lastModified": 1772408722,
-        "narHash": "sha256-XswHlK/Qtjasvhd1nOa1e8MgZ8GS//jBoTqWtrS1Giw=",
+        "narHash": "sha256-rHuJtdcOjK7rAHpHphUb1iCvgkU3GpfvicLMwwnfMT0=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "a34fae9c08a15ad73f295041fec82323541400a9",
+        "rev": "f20dc5d9b8027381c474144ecabc9034d6a839a3",
         "type": "github"
       },
       "original": {
@@ -61,35 +75,18 @@
         "type": "github"
       }
     },
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "id": "flake-utils",
-        "type": "indirect"
-      }
-    },
     "gergle": {
       "inputs": {
         "nixpkgs": [
-          "nixpkgs"
+          "nixpkgs-unstable"
         ]
       },
       "locked": {
-        "lastModified": 1767906545,
+        "lastModified": 1777067150,
-        "narHash": "sha256-LOf08pcjEQFLs3dLPuep5d1bAXWOFcdfxuk3YMb5KWw=",
+        "narHash": "sha256-vqPz8jCS1zTQlvmgctUFpvnr6f9ISR5h7CPG/HgQvf0=",
         "ref": "main",
-        "rev": "e55cbe0ce0b20fc5952ed491fa8a553c8afb1bdd",
+        "rev": "b452a854fb78d6df9fe062b45e23a968657d115d",
-        "revCount": 23,
+        "revCount": 35,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Grzegorz/gergle.git"
       },
@@ -102,15 +99,15 @@
     "greg-ng": {
       "inputs": {
         "nixpkgs": [
-          "nixpkgs"
+          "nixpkgs-unstable"
         ],
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1767906494,
+        "lastModified": 1777019032,
-        "narHash": "sha256-Dd6gtdZfRMAD6JhdX0GdJwIHVaBikePSpQXhIdwLlWI=",
+        "narHash": "sha256-29lw7THThWb5DW01rVRj1b816Apwz/P4m2wVWaSIadU=",
         "ref": "main",
-        "rev": "7258822e2e90fea2ea00b13b5542f63699e33a9e",
+        "rev": "55262afca46c96f75a834d4e00e30d5fb20affb6",
         "revCount": 61,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Grzegorz/greg-ng.git"
@@ -192,11 +189,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768749374,
+        "lastModified": 1769500363,
-        "narHash": "sha256-dhXYLc64d7TKCnRPW4TlHGl6nLRNdabJB2DpJ8ffUw0=",
+        "narHash": "sha256-vFxmdsLBPdTy5j2bf54gbTQi1XnWbZDmeR/BBh8MFrw=",
         "ref": "main",
-        "rev": "040294f2e1df46e33d995add6944b25859654097",
+        "rev": "2618e434e40e109eaab6a0693313c7e0de7324a3",
-        "revCount": 37,
+        "revCount": 47,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/minecraft-kartverket.git"
       },
@@ -213,11 +210,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767906352,
+        "lastModified": 1770960722,
-        "narHash": "sha256-wYsH9MMAPFG3XTL+3DwI39XMG0F2fTmn/5lt265a3Es=",
+        "narHash": "sha256-IdhPsWFZUKSJh/nLjGLJvGM5d5Uta+k1FlVYPxTZi0E=",
         "ref": "main",
-        "rev": "d054c5d064b8ed6d53a0adb0cf6c0a72febe212e",
+        "rev": "c2e4aca7e1ba27cd09eeaeab47010d32a11841b2",
-        "revCount": 13,
+        "revCount": 15,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Drift/nix-gitea-themes.git"
       },
@@ -235,11 +232,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768068512,
+        "lastModified": 1778407980,
-        "narHash": "sha256-pH5wkcNOiXy4MBjDTe6A1gml+7m+ULC3lYMBPMqdS1w=",
+        "narHash": "sha256-r980BhsReZQe6FkmyNZkwCZpvzARo5jZgTl8HxjAssY=",
         "owner": "oddlama",
         "repo": "nix-topology",
-        "rev": "4367a2093c5ff74fc478466aebf41d47ce0cacb4",
+        "rev": "ca0a602f650306d00d6f3e3c76d0f4c48a5c5adc",
         "type": "github"
       },
       "original": {
@@ -251,24 +248,24 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1768555036,
+        "lastModified": 1779622335,
-        "narHash": "sha256-qJTh3xrFsqrXDzUmjPGV0VC70vpsq/YP25Jo6Fh7PTs=",
+        "narHash": "sha256-06G98ieM6l+OI7EMhlvchgDBDn+DvIWCNj40LDhKpmc=",
-        "rev": "1d2851ebcd64734ef057e8c80e05dd5600323792",
+        "rev": "705e9929918b43bd7b715dc0a878ac870449bb03",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/25.11-small/nixos-25.11.4104.1d2851ebcd64/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/26.05-small/nixos-26.05beta1.705e9929918b/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://nixos.org/channels/nixos-25.11-small/nixexprs.tar.xz"
+        "url": "https://nixos.org/channels/nixos-26.05-small/nixexprs.tar.xz"
       }
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1765674936,
+        "lastModified": 1772328832,
-        "narHash": "sha256-k00uTP4JNfmejrCLJOwdObYC9jHRrr/5M/a/8L2EIdo=",
+        "narHash": "sha256-e+/T/pmEkLP6BHhYjx6GmwP5ivonQQn0bJdH9YrRB+Q=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "2075416fcb47225d9b68ac469a5c4801a9c4dd85",
+        "rev": "c185c7a5e5dd8f9add5b2f8ebeff00888b070742",
         "type": "github"
       },
       "original": {
@@ -279,11 +276,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1768553552,
+        "lastModified": 1778586796,
-        "narHash": "sha256-YeNMZDAxdQUMLcqZmoc+/WzYrJxTEg6Y7uNALUcF1dE=",
+        "narHash": "sha256-XmDljcG4x8slQDlsWOc77pCA1YVuYn8JGumkYlhfTxI=",
-        "rev": "a6b8b0f0ceb6d4f5da70808e26c68044099460fd",
+        "rev": "b25e938b89759b5f9466fc53c4a970244f84dc39",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre928681.a6b8b0f0ceb6/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre996582.b25e938b8975/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -318,11 +315,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768636400,
+        "lastModified": 1778960428,
-        "narHash": "sha256-AiSKT4/25LS1rUlPduBMogf4EbdMQYDY1rS7AvHFcxk=",
+        "narHash": "sha256-YAs3LbFGlBLJW3xHeoQfTq2GBBXTvuSKl2WXDtloczU=",
         "ref": "main",
-        "rev": "3a8f82b12a44e6c4ceacd6955a290a52d1ee2856",
+        "rev": "927748790b1f7159adfe32a3ad9ec01d22e9c5a2",
-        "revCount": 573,
+        "revCount": 583,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/nettsiden.git"
       },
@@ -376,22 +373,24 @@
     },
     "roowho2": {
       "inputs": {
+        "crane": "crane",
         "nixpkgs": [
           "nixpkgs"
         ],
         "rust-overlay": "rust-overlay_3"
       },
       "locked": {
-        "lastModified": 1768140181,
+        "lastModified": 1778600367,
-        "narHash": "sha256-HfZzup5/jlu8X5vMUglTovVTSwhHGHwwV1YOFIL/ksA=",
+        "narHash": "sha256-YB0b2xUf4D8792D5Ay//7C3AjHyv+9yoy8K1mTe+wvE=",
         "ref": "main",
-        "rev": "834463ed64773939798589ee6fd4adfe3a97dddd",
+        "rev": "8e5f2849ff7c9616100fe928261512a7ad647939",
-        "revCount": 43,
+        "revCount": 91,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/roowho2.git"
       },
       "original": {
         "ref": "main",
+        "rev": "8e5f2849ff7c9616100fe928261512a7ad647939",
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/roowho2.git"
       }
@@ -404,11 +403,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767840362,
+        "lastModified": 1777000482,
-        "narHash": "sha256-ZtsFqUhilubohNZ1TgpQIFsi4biZTwRH9rjZsDRDik8=",
+        "narHash": "sha256-CZ5FKUSA8FCJf0h9GWdPJXoVVDL9H5yC74GkVc5ubIM=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "d159ea1fc321c60f88a616ac28bab660092a227d",
+        "rev": "403c09094a877e6c4816462d00b1a56ff8198e06",
         "type": "github"
       },
       "original": {
@@ -446,11 +445,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767322002,
+        "lastModified": 1776914043,
-        "narHash": "sha256-yHKXXw2OWfIFsyTjduB4EyFwR0SYYF0hK8xI9z4NIn0=",
+        "narHash": "sha256-qug5r56yW1qOsjSI99l3Jm15JNT9CvS2otkXNRNtrPI=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "03c6e38661c02a27ca006a284813afdc461e9f7e",
+        "rev": "2d35c4358d7de3a0e606a6e8b27925d981c01cc3",
         "type": "github"
       },
       "original": {
@@ -466,11 +465,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768481291,
+        "lastModified": 1777944972,
-        "narHash": "sha256-NjKtkJraCZEnLHAJxLTI+BfdU//9coAz9p5TqveZwPU=",
+        "narHash": "sha256-VfGRo1qTBKOe3s2gOv8LSoA6Fk19PvBlwQ1ECN0Evn8=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "e085e303dfcce21adcb5fec535d65aacb066f101",
+        "rev": "c591bf665727040c6cc5cb409079acb22dcce33c",
         "type": "github"
       },
       "original": {
@@ -479,21 +478,6 @@
         "repo": "sops-nix",
         "type": "github"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -2,13 +2,13 @@
   description = "PVV System flake";
 
   inputs = {
-    nixpkgs.url = "https://nixos.org/channels/nixos-25.11-small/nixexprs.tar.xz";
+    nixpkgs.url = "https://nixos.org/channels/nixos-26.05-small/nixexprs.tar.xz";
     nixpkgs-unstable.url = "https://nixos.org/channels/nixos-unstable-small/nixexprs.tar.xz";
 
     sops-nix.url = "github:Mic92/sops-nix/master";
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
 
-    disko.url = "github:nix-community/disko/v1.11.0";
+    disko.url = "github:nix-community/disko/v1.13.0";
     disko.inputs.nixpkgs.follows = "nixpkgs";
 
     nix-topology.url = "github:oddlama/nix-topology/main";
@@ -32,13 +32,13 @@
     minecraft-heatmap.url = "git+https://git.pvv.ntnu.no/Projects/minecraft-heatmap.git?ref=main";
     minecraft-heatmap.inputs.nixpkgs.follows = "nixpkgs";
 
-    roowho2.url = "git+https://git.pvv.ntnu.no/Projects/roowho2.git?ref=main";
+    roowho2.url = "git+https://git.pvv.ntnu.no/Projects/roowho2.git?ref=main&rev=8e5f2849ff7c9616100fe928261512a7ad647939";
     roowho2.inputs.nixpkgs.follows = "nixpkgs";
 
     greg-ng.url = "git+https://git.pvv.ntnu.no/Grzegorz/greg-ng.git?ref=main";
-    greg-ng.inputs.nixpkgs.follows = "nixpkgs";
+    greg-ng.inputs.nixpkgs.follows = "nixpkgs-unstable";
     gergle.url = "git+https://git.pvv.ntnu.no/Grzegorz/gergle.git?ref=main";
-    gergle.inputs.nixpkgs.follows = "nixpkgs";
+    gergle.inputs.nixpkgs.follows = "nixpkgs-unstable";
     grzegorz-clients.url = "git+https://git.pvv.ntnu.no/Grzegorz/grzegorz-clients.git?ref=master";
     grzegorz-clients.inputs.nixpkgs.follows = "nixpkgs";
 
@@ -49,8 +49,14 @@
     qotd.inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs = { self, nixpkgs, nixpkgs-unstable, sops-nix, disko, ... }@inputs:
+  outputs = {
-  let
+    self,
+    nixpkgs,
+    nixpkgs-unstable,
+    sops-nix,
+    disko,
+    ...
+  } @ inputs: let
     inherit (nixpkgs) lib;
     systems = [
       "x86_64-linux"
@@ -62,9 +68,11 @@
     importantMachines = [
       "bekkalokk"
       "bicep"
-      "brzeczyszczykiewicz"
       "georg"
       "ildkule"
+      "kommode"
+      "lupine-1"
+      "skrot"
     ];
   in {
     inputs = lib.mapAttrs (_: src: src.outPath) inputs;
@@ -72,60 +80,85 @@
     pkgs = forAllSystems (system:
       import nixpkgs {
         inherit system;
-        config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg)
+        config.allowUnfreePredicate = pkg:
+          builtins.elem (lib.getName pkg)
           [
             "nvidia-x11"
             "nvidia-settings"
+            "nvidia-kernel-modules"
           ];
       });
 
     nixosConfigurations = let
-      unstablePkgs = nixpkgs-unstable.legacyPackages.x86_64-linux;
+      nixosConfig = nixpkgs: name: configurationPath: extraArgs @ {
-
+        localSystem ? "x86_64-linux", # buildPlatform
-      nixosConfig =
+        crossSystem ? "x86_64-linux", # hostPlatform
-        nixpkgs:
+        specialArgs ? {},
-        name:
+        modules ? [],
-        configurationPath:
+        overlays ? [],
-        extraArgs@{
-          system ? "x86_64-linux",
-          specialArgs ? { },
-          modules ? [ ],
-          overlays ? [ ],
         enableDefaults ? true,
         ...
-        }:
+      }: let
-        lib.nixosSystem (lib.recursiveUpdate
+        commonPkgsConfig =
           {
-          inherit system;
+            config.allowUnfreePredicate = pkg:
-
+              builtins.elem (lib.getName pkg)
-          specialArgs = {
-            inherit unstablePkgs inputs;
-            values = import ./values.nix;
-            fp = path: ./${path};
-          } // specialArgs;
-
-          modules = [
-            configurationPath
-          ] ++ (lib.optionals enableDefaults [
-            sops-nix.nixosModules.sops
-            inputs.roowho2.nixosModules.default
-          ]) ++ modules;
-
-          pkgs = import nixpkgs {
-            inherit system;
-            config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg)
               [
                 "nvidia-x11"
                 "nvidia-settings"
+                "nvidia-kernel-modules"
               ];
-            overlays = (lib.optionals enableDefaults [
+            overlays =
+              (lib.optionals enableDefaults [
                 # Global overlays go here
                 inputs.roowho2.overlays.default
-            ]) ++ overlays;
+              ])
-          };
+              ++ overlays;
+          }
+          // (
+            if localSystem != crossSystem
+            then {
+              inherit localSystem crossSystem;
+            }
+            else {
+              system = crossSystem;
+            }
+          );
+        pkgs = import nixpkgs commonPkgsConfig;
+        unstablePkgs = import nixpkgs-unstable commonPkgsConfig;
+      in
+        lib.nixosSystem (
+          lib.recursiveUpdate
+          {
+            system = crossSystem;
+
+            inherit pkgs;
+
+            specialArgs =
+              {
+                inherit inputs unstablePkgs;
+                values = import ./values.nix;
+                fp = path: ./${path};
+              }
+              // specialArgs;
+
+            modules =
+              [
+                {
+                  networking.hostName = lib.mkDefault name;
+                }
+                configurationPath
+              ]
+              ++ (lib.optionals enableDefaults [
+                sops-nix.nixosModules.sops
+                inputs.roowho2.nixosModules.default
+                self.nixosModules.rsync-pull-targets
+              ])
+              ++ modules;
           }
           (builtins.removeAttrs extraArgs [
-          "system"
+            "localSystem"
+            "crossSystem"
             "modules"
             "overlays"
             "specialArgs"
@@ -135,12 +168,8 @@
 
       stableNixosConfig = name: extraArgs:
         nixosConfig nixpkgs name ./hosts/${name}/configuration.nix extraArgs;
-    in {
+    in
-      bakke = stableNixosConfig "bakke" {
+      {
-        modules = [
-          disko.nixosModules.disko
-        ];
-      };
         bicep = stableNixosConfig "bicep" {
           modules = [
             inputs.matrix-next.nixosModules.default
@@ -160,26 +189,39 @@
         bekkalokk = stableNixosConfig "bekkalokk" {
           overlays = [
             (final: prev: {
-            heimdal = unstablePkgs.heimdal;
+              mediawiki-extensions = final.callPackage ./packages/mediawiki-extensions {};
-            mediawiki-extensions = final.callPackage ./packages/mediawiki-extensions { };
+              simplesamlphp = final.callPackage ./packages/simplesamlphp {};
-            simplesamlphp = final.callPackage ./packages/simplesamlphp { };
-            bluemap = final.callPackage ./packages/bluemap.nix { };
             })
             inputs.pvv-nettsiden.overlays.default
             inputs.qotd.overlays.default
           ];
           modules = [
             inputs.pvv-nettsiden.nixosModules.default
-          self.nixosModules.bluemap
             inputs.qotd.nixosModules.default
           ];
         };
-      ildkule = stableNixosConfig "ildkule" { };
+        ildkule = stableNixosConfig "ildkule" {
-      #ildkule-unstable = unstableNixosConfig "ildkule" { };
+          modules = [
-      shark = stableNixosConfig "shark" { };
+            inputs.disko.nixosModules.disko
-      wenche = stableNixosConfig "wenche" { };
+          ];
-      temmie = stableNixosConfig "temmie" { };
+        };
-      gluttony = stableNixosConfig "gluttony" { };
+        skrot = stableNixosConfig "skrot" {
+          modules = [
+            inputs.disko.nixosModules.disko
+            inputs.dibbler.nixosModules.default
+          ];
+          overlays = [inputs.dibbler.overlays.default];
+        };
+        dagali = stableNixosConfig "dagali" { };
+        shark = stableNixosConfig "shark" {};
+        wenche = stableNixosConfig "wenche" {};
+        temmie = stableNixosConfig "temmie" {};
+        gluttony = stableNixosConfig "gluttony" {
+          overlays = [
+            (final: prev: { bluemap = final.callPackage ./packages/bluemap.nix {}; })
+          ];
+          modules = [ self.nixosModules.bluemap ];
+        };
 
         kommode = stableNixosConfig "kommode" {
           overlays = [
@@ -187,12 +229,7 @@
           ];
           modules = [
             inputs.nix-gitea-themes.nixosModules.default
-        ];
+            inputs.disko.nixosModules.disko
-      };
-
-      ustetind = stableNixosConfig "ustetind" {
-        modules = [
-         "${nixpkgs}/nixos/modules/virtualisation/lxc-container.nix"
           ];
         };
 
@@ -218,38 +255,40 @@
             inputs.gergle.overlays.default
           ];
         };
-      skrott = stableNixosConfig "skrott" {
-        system = "aarch64-linux";
-        modules = [
-          (nixpkgs + "/nixos/modules/installer/sd-card/sd-image-aarch64.nix")
-          inputs.dibbler.nixosModules.default
-        ];
-        overlays = [
-          inputs.dibbler.overlays.default
-        ];
-      };
       }
-    //
+      // (let
-    (let
         machineNames = map (i: "lupine-${toString i}") (lib.range 1 5);
         stableLupineNixosConfig = name: extraArgs:
           nixosConfig nixpkgs name ./hosts/lupine/configuration.nix extraArgs;
-    in lib.genAttrs machineNames (name: stableLupineNixosConfig name {
+      in
-      modules = [{ networking.hostName = name; }];
+        lib.genAttrs machineNames (name:
+          stableLupineNixosConfig name {
+            modules = [{networking.hostName = name;}];
             specialArgs.lupineName = name;
           }));
 
     nixosModules = {
       bluemap = ./modules/bluemap.nix;
-      snakeoil-certs = ./modules/snakeoil-certs.nix;
-      snappymail = ./modules/snappymail.nix;
-      robots-txt = ./modules/robots-txt.nix;
       gickup = ./modules/gickup;
       matrix-ooye = ./modules/matrix-ooye.nix;
+      robots-txt = ./modules/robots-txt.nix;
+      rsync-pull-targets = ./modules/rsync-pull-targets.nix;
+      snakeoil-certs = ./modules/snakeoil-certs.nix;
+      snappymail = ./modules/snappymail.nix;
     };
 
     devShells = forAllSystems (system: {
-      default = nixpkgs-unstable.legacyPackages.${system}.callPackage ./shell.nix { };
+      default = let
+        pkgs = import nixpkgs-unstable {
+          inherit system;
+          overlays = [
+            (final: prev: {
+              inherit (inputs.disko.packages.${system}) disko;
+            })
+          ];
+        };
+      in
+        pkgs.callPackage ./shell.nix {};
       cuda = let
         cuda-pkgs = import nixpkgs-unstable {
           inherit system;
@@ -258,29 +297,34 @@
             cudaSupport = true;
           };
         };
-      in cuda-pkgs.callPackage ./shells/cuda.nix { };
+      in
+        cuda-pkgs.callPackage ./shells/cuda.nix {};
     });
 
     packages = {
       "x86_64-linux" = let
-        pkgs = nixpkgs.legacyPackages."x86_64-linux";
+        system = "x86_64-linux";
-      in rec {
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+        rec {
           default = important-machines;
-        important-machines = pkgs.linkFarm "important-machines"
+          important-machines =
-          (lib.getAttrs importantMachines self.packages.x86_64-linux);
+            pkgs.linkFarm "important-machines"
-        all-machines = pkgs.linkFarm "all-machines"
+            (lib.getAttrs importantMachines self.packages.${system});
-          (lib.getAttrs allMachines self.packages.x86_64-linux);
+          all-machines =
+            pkgs.linkFarm "all-machines"
+            (lib.getAttrs allMachines self.packages.${system});
 
-        simplesamlphp = pkgs.callPackage ./packages/simplesamlphp { };
+          simplesamlphp = pkgs.callPackage ./packages/simplesamlphp {};
 
-        bluemap = pkgs.callPackage ./packages/bluemap.nix { };
+          bluemap = pkgs.callPackage ./packages/bluemap.nix {};
 
-        out-of-your-element = pkgs.callPackage ./packages/out-of-your-element.nix { };
+          out-of-your-element = pkgs.callPackage ./packages/ooye/package.nix {};
         }
         //
         # Mediawiki extensions
         (lib.pipe null [
-        (_: pkgs.callPackage ./packages/mediawiki-extensions { })
+          (_: pkgs.callPackage ./packages/mediawiki-extensions {})
           (lib.flip builtins.removeAttrs ["override" "overrideDerivation"])
           (lib.mapAttrs' (name: lib.nameValuePair "mediawiki-${name}"))
         ])
@@ -289,20 +333,15 @@
         lib.genAttrs allMachines
         (machine: self.nixosConfigurations.${machine}.config.system.build.toplevel)
         //
-      # Skrott is exception
-      {
-        skrott = self.nixosConfigurations.skrott.config.system.build.sdImage;
-      }
-      //
         # Nix-topology
         (let
           topology' = import inputs.nix-topology {
             pkgs = import nixpkgs {
-            system = "x86_64-linux";
+              inherit system;
               overlays = [
                 inputs.nix-topology.overlays.default
                 (final: prev: {
-                inherit (nixpkgs-unstable.legacyPackages.x86_64-linux) super-tiny-icons;
+                  inherit (nixpkgs-unstable.legacyPackages.${system}) super-tiny-icons;
                 })
               ];
             };
@@ -314,7 +353,8 @@
             modules = [
               ./topology
               {
-              nixosConfigurations = lib.mapAttrs (_name: nixosCfg: nixosCfg.extendModules {
+                nixosConfigurations = lib.mapAttrs (_name: nixosCfg:
+                  nixosCfg.extendModules {
                     modules = [
                       inputs.nix-topology.nixosModules.default
                       ./topology/service-extractors/greg-ng.nix
@@ -322,14 +362,16 @@
                       ./topology/service-extractors/mysql.nix
                       ./topology/service-extractors/gitea-runners.nix
                     ];
-              }) self.nixosConfigurations;
+                  })
+                self.nixosConfigurations;
               }
             ];
           };
         in {
           topology = topology'.config.output;
-        topology-png = pkgs.runCommand "pvv-config-topology-png" {
+          topology-png =
-          nativeBuildInputs = [ pkgs.writableTmpDirAsHomeHook ];
+            pkgs.runCommand "pvv-config-topology-png" {
+              nativeBuildInputs = [pkgs.writableTmpDirAsHomeHook];
             } ''
               mkdir -p "$out"
               for file in '${topology'.config.output}'/*.svg; do

hosts/bakke/configuration.nix

@@ -1,25 +0,0 @@
-{ config, pkgs, values, ... }:
-{
-  imports = [
-      ./hardware-configuration.nix
-      ../../base
-      ./filesystems.nix
-    ];
-
-  sops.defaultSopsFile = ../../secrets/bakke/bakke.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "bakke";
-  networking.hostId = "99609ffc";
-  systemd.network.networks."30-enp2s0" = values.defaultNetworkConfig // {
-    matchConfig.Name = "enp2s0";
-    address = with values.hosts.bakke; [ (ipv4 + "/25") (ipv6 + "/64") ];
-  };
-
-  system.stateVersion = "24.05";
-}

hosts/bakke/disks.nix

@@ -1,83 +0,0 @@
-{
-  # https://github.com/nix-community/disko/blob/master/example/boot-raid1.nix
-  # Note: Disko was used to create the initial md raid, but is no longer in active use on this host.
-  disko.devices = {
-    disk = {
-      one = {
-        type = "disk";
-        device = "/dev/disk/by-id/ata-WDC_WD40EFRX-68WT0N0_WD-WCC4E2EER6N6";
-        content = {
-          type = "gpt";
-          partitions = {
-            ESP = {
-              size = "500M";
-              type = "EF00";
-              content = {
-                type = "mdraid";
-                name = "boot";
-              };
-            };
-            mdadm = {
-              size = "100%";
-              content = {
-                type = "mdraid";
-                name = "raid1";
-              };
-            };
-          };
-        };
-      };
-      two = {
-        type = "disk";
-        device = "/dev/disk/by-id/ata-WDC_WD40EFRX-68WT0N0_WD-WCC4E7LPLU71";
-        content = {
-          type = "gpt";
-          partitions = {
-            ESP = {
-              size = "500M";
-              type = "EF00";
-              content = {
-                type = "mdraid";
-                name = "boot";
-              };
-            };
-            mdadm = {
-              size = "100%";
-              content = {
-                type = "mdraid";
-                name = "raid1";
-              };
-            };
-          };
-        };
-      };
-    };
-    mdadm = {
-      boot = {
-        type = "mdadm";
-        level = 1;
-        metadata = "1.0";
-        content = {
-          type = "filesystem";
-          format = "vfat";
-          mountpoint = "/boot";
-        };
-      };
-      raid1 = {
-        type = "mdadm";
-        level = 1;
-        content = {
-          type = "gpt";
-          partitions.primary = {
-            size = "100%";
-            content = {
-              type = "filesystem";
-              format = "ext4";
-              mountpoint = "/";
-            };
-          };
-        };
-      };
-    };
-  };
-}

hosts/bakke/filesystems.nix

@@ -1,26 +0,0 @@
-{ config, pkgs, lib, ... }:
-{
-  # Boot drives:
-  boot.swraid.enable = true;
-
-  # ZFS Data pool:
-  environment.systemPackages = with pkgs; [ zfs ];
-  boot = {
-    zfs = {
-      extraPools = [ "tank" ];
-      requestEncryptionCredentials = false;
-    };
-    supportedFilesystems = [ "zfs" ];
-    kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
-  };
-  services.zfs.autoScrub = {
-    enable = true;
-    interval = "Wed *-*-8..14 00:00:00";
-  };
-
-  # NFS Exports:
-  #TODO
-
-  # NFS Import mounts:
-  #TODO
-}

hosts/bakke/hardware-configuration.nix

@@ -1,52 +0,0 @@
-# Do not modify this file!  It was generated by 'nixos-generate-config'
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/0f63c3d2-fc12-4ed5-a5a5-141bfd67a571";
-      fsType = "btrfs";
-      options = [ "subvol=root" ];
-    };
-
-  fileSystems."/home" =
-    { device = "/dev/disk/by-uuid/0f63c3d2-fc12-4ed5-a5a5-141bfd67a571";
-      fsType = "btrfs";
-      options = [ "subvol=home" ];
-    };
-
-  fileSystems."/nix" =
-    { device = "/dev/disk/by-uuid/0f63c3d2-fc12-4ed5-a5a5-141bfd67a571";
-      fsType = "btrfs";
-      options = [ "subvol=nix" "noatime" ];
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/sdc2";
-      fsType = "vfat";
-      options = [ "fmask=0022" "dmask=0022" ];
-    };
-
-  swapDevices = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault false;
-  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp2s0.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-}

hosts/bekkalokk/configuration.nix

@@ -19,16 +19,6 @@
     ./services/qotd
   ];
 
-  sops.defaultSopsFile = fp /secrets/bekkalokk/bekkalokk.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "bekkalokk";
-
   systemd.network.networks."30-enp2s0" = values.defaultNetworkConfig // {
     matchConfig.Name = "enp2s0";
     address = with values.hosts.bekkalokk; [ (ipv4 + "/25") (ipv6 + "/64") ];
@@ -36,7 +26,7 @@
 
   services.btrfs.autoScrub.enable = true;
 
-  # Do not change, even during upgrades.
+  # Don't change (even during upgrades) unless you know what you are doing.
   # See https://search.nixos.org/options?show=system.stateVersion
-  system.stateVersion = "22.11";
+  system.stateVersion = "25.11";
 }

hosts/bekkalokk/services/bluemap.nix

@@ -1,105 +1,10 @@
-{ config, lib, pkgs, inputs, ... }:
+{ values, ... }:
 let
-  vanillaSurvival = "/var/lib/bluemap/vanilla_survival_world";
+  webExport = "/var/lib/bluemap/web";
-  format = pkgs.formats.hocon { };
 in {
-  # NOTE: our versino of the module gets added in flake.nix
+  # NOTE: our version of the module gets added in flake.nix
   disabledModules = [ "services/web-apps/bluemap.nix" ];
 
-  sops.secrets."bluemap/ssh-key" = { };
-  sops.secrets."bluemap/ssh-known-hosts" = { };
-
-  services.bluemap = {
-    enable = true;
-
-    eula = true;
-    onCalendar = "*-*-* 05:45:00"; # a little over an hour after auto-upgrade
-
-    host = "minecraft.pvv.ntnu.no";
-
-    maps = let
-      inherit (inputs.minecraft-kartverket.packages.${pkgs.stdenv.hostPlatform.system}) bluemap-export;
-    in {
-      "verden" = {
-        extraHoconMarkersFile = "${bluemap-export}/overworld.hocon";
-        settings = {
-          world = vanillaSurvival;
-          dimension = "minecraft:overworld";
-          name = "Verden";
-          sorting = 0;
-          start-pos = {
-            x = 0;
-            z = 0;
-          };
-          ambient-light = 0.1;
-          cave-detection-ocean-floor = -5;
-        };
-      };
-      "underverden" = {
-        extraHoconMarkersFile = "${bluemap-export}/nether.hocon";
-        settings = {
-          world = vanillaSurvival;
-          dimension = "minecraft:the_nether";
-          name = "Underverden";
-          sorting = 100;
-          start-pos = {
-            x = 0;
-            z = 0;
-          };
-          sky-color = "#290000";
-          void-color = "#150000";
-          sky-light = 1;
-          ambient-light = 0.6;
-          remove-caves-below-y = -10000;
-          cave-detection-ocean-floor = -5;
-          cave-detection-uses-block-light = true;
-          render-mask = [{
-            max-y = 90;
-          }];
-        };
-      };
-      "enden" = {
-        extraHoconMarkersFile = "${bluemap-export}/the-end.hocon";
-        settings = {
-          world = vanillaSurvival;
-          dimension = "minecraft:the_end";
-          name = "Enden";
-          sorting = 200;
-          start-pos = {
-            x = 0;
-            z = 0;
-          };
-          sky-color = "#080010";
-          void-color = "#080010";
-          sky-light = 1;
-          ambient-light = 0.6;
-          remove-caves-below-y = -10000;
-          cave-detection-ocean-floor = -5;
-        };
-      };
-    };
-  };
-
-  systemd.services."render-bluemap-maps" = {
-    serviceConfig = {
-      StateDirectory = [ "bluemap/world" ];
-      ExecStartPre = let
-        rsyncArgs = lib.cli.toCommandLineShellGNU { } {
-          archive = true;
-          compress = true;
-          verbose = true;
-          no-owner = true;
-          no-group = true;
-          rsh = "${pkgs.openssh}/bin/ssh -o UserKnownHostsFile=%d/ssh-known-hosts -i %d/sshkey";
-        };
-      in "${lib.getExe pkgs.rsync} ${rsyncArgs} root@innovation.pvv.ntnu.no:/ ${vanillaSurvival}";
-      LoadCredential = [
-        "sshkey:${config.sops.secrets."bluemap/ssh-key".path}"
-        "ssh-known-hosts:${config.sops.secrets."bluemap/ssh-known-hosts".path}"
-      ];
-    };
-  };
-
   services.nginx.virtualHosts."minecraft.pvv.ntnu.no" = {
     enableACME = true;
     forceSSL = true;
@@ -115,6 +20,30 @@ in {
       quic_retry on;
       add_header Alt-Svc 'h3=":$server_port"; ma=86400';
     '';
+    root = webExport;
+    locations = {
+      "~* ^/maps/[^/]*/tiles/".extraConfig = ''
+        error_page 404 = @empty;
+      '';
+      "@empty".return = "204";
+    };
+  };
+
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${webExport} = {
+      user = "root";
+      rrsyncArgs.wo = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"gluttony.pvv.ntnu.no,${values.hosts.gluttony.ipv6},${values.hosts.gluttony.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH5jrqMovXlWaFWZAV/aKyQReHvUQp5kb+7Ja4gnevSr root@gluttony bluemap";
+    };
   };
 
   networking.firewall.allowedUDPPorts = [ 443 ];

hosts/bekkalokk/services/mediawiki/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, fp, config, values, pkgs-unstable, ... }: let
+{ pkgs, lib, fp, config, values, ... }: let
   cfg = config.services.mediawiki;
 
   # "mediawiki"
@@ -34,6 +34,7 @@ in {
   services.idp.sp-remote-metadata = [ "https://wiki.pvv.ntnu.no/simplesaml/" ];
 
   sops.secrets = lib.pipe [
+    "mediawiki/secret-key"
     "mediawiki/password"
     "mediawiki/postgres_password"
     "mediawiki/simplesamlphp/postgres_password"
@@ -48,6 +49,23 @@ in {
     lib.listToAttrs
   ];
 
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.uploadsDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICHFHa3Iq1oKPhbKCAIHgOoWOTkLmIc7yqxeTbut7ig/ mediawiki rsync backup";
+    };
+  };
+
   services.mediawiki = {
     enable = true;
     name = "Programvareverkstedet";
@@ -144,6 +162,24 @@ in {
       $wgDBserver = "${toString cfg.database.host}";
       $wgAllowCopyUploads = true;
 
+      # Files
+      $wgFileExtensions = [
+        'bmp',
+        'gif',
+        'jpeg',
+        'jpg',
+        'mp3',
+        'odg',
+        'odp',
+        'ods',
+        'odt',
+        'pdf',
+        'png',
+        'tiff',
+        'webm',
+        'webp',
+      ];
+
       # Misc program paths
       $wgFFmpegLocation = '${pkgs.ffmpeg}/bin/ffmpeg';
       $wgExiftool = '${pkgs.exiftool}/bin/exiftool';
@@ -174,20 +210,22 @@ in {
 
       # EXT:WikiEditor
       $wgWikiEditorRealtimePreview = true;
+
+      $wgSecretKey = file_get_contents("${config.sops.secrets."mediawiki/secret-key".path}");
     '';
   };
 
   # Cache directory for simplesamlphp
   # systemd.services.phpfpm-mediawiki.serviceConfig.CacheDirectory = "mediawiki/simplesamlphp";
-  systemd.tmpfiles.settings."10-mediawiki"."/var/cache/mediawiki/simplesamlphp".d = {
+  systemd.tmpfiles.settings."10-mediawiki"."/var/cache/mediawiki/simplesamlphp".d = lib.mkIf cfg.enable {
     user = "mediawiki";
     group = "mediawiki";
     mode = "0770";
   };
 
-  users.groups.mediawiki.members = [ "nginx" ];
+  users.groups.mediawiki.members = lib.mkIf cfg.enable [ "nginx" ];
 
-  services.nginx.virtualHosts."wiki.pvv.ntnu.no" = {
+  services.nginx.virtualHosts."wiki.pvv.ntnu.no" = lib.mkIf cfg.enable {
     kTLS = true;
     forceSSL = true;
     enableACME = true;
@@ -233,4 +271,18 @@ in {
     };
 
   };
+
+  systemd.services.mediawiki-init = lib.mkIf cfg.enable {
+    after = [ "sops-install-secrets.service" ];
+    serviceConfig = {
+      UMask = lib.mkForce "0007";
+    };
+  };
+
+  systemd.services.phpfpm-mediawiki = lib.mkIf cfg.enable {
+    after = [ "sops-install-secrets.service" ];
+    serviceConfig = {
+      UMask = lib.mkForce "0007";
+    };
+  };
 }

hosts/bekkalokk/services/vaultwarden.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, values, ... }:
 let
   cfg = config.services.vaultwarden;
   domain = "pw.pvv.ntnu.no";
@@ -6,40 +6,58 @@ let
   port = 3011;
   wsPort = 3012;
 in {
-  sops.secrets."vaultwarden/environ" = {
+  sops.secrets."vaultwarden/rsa_key.pem" = {
     owner = "vaultwarden";
     group = "vaultwarden";
+    mode = "440";
+    restartUnits = [ "vaultwarden.service" ];
+  };
+  sops.secrets."vaultwarden/rsa_key.pub.pem" = {
+    owner = "vaultwarden";
+    group = "vaultwarden";
+    mode = "440";
+    restartUnits = [ "vaultwarden.service" ];
+  };
+  sops.secrets."vaultwarden/env/DATABASE_PASSWORD" = { };
+  sops.secrets."vaultwarden/env/SMTP_PASSWORD" = { };
+  sops.templates."vaultwarden/environment_file" = {
+    owner = "vaultwarden";
+    group = "vaultwarden";
+    mode = "440";
+    restartUnits = [ "vaultwarden.service" ];
+    content = ''
+        DATABASE_URL=postgresql://vaultwarden:${config.sops.placeholder."vaultwarden/env/DATABASE_PASSWORD"}@postgres.pvv.ntnu.no/vaultwarden
+        SMTP_PASSWORD=${config.sops.placeholder."vaultwarden/env/SMTP_PASSWORD"}
+    '';
   };
 
   services.vaultwarden = {
     enable = true;
     dbBackend = "postgresql";
-    environmentFile = config.sops.secrets."vaultwarden/environ".path;
+    environmentFile = config.sops.templates."vaultwarden/environment_file".path;
     config = {
-      domain = "https://${domain}";
+      DOMAIN = "https://${domain}";
 
-      rocketAddress = address;
+      ROCKET_ADDRESS = address;
-      rocketPort = port;
+      ROCKET_PORT = port;
 
-      websocketEnabled = true;
+      WEBSOCKET_ENABLED = true;
-      websocketAddress = address;
+      WEBSOCKET_ADDRESS = address;
-      websocketPort = wsPort;
+      WEBSOCKET_PORT = wsPort;
 
-      signupsAllowed = true;
+      SIGNUPS_ALLOWED = true;
-      signupsVerify = true;
+      SIGNUPS_VERIFY = true;
-      signupsDomainsWhitelist = "pvv.ntnu.no";
+      SIGNUPS_DOMAINS_WHITELIST = "pvv.ntnu.no";
 
-      smtpFrom = "vaultwarden@pvv.ntnu.no";
+      SMTP_FROM = "vaultwarden@pvv.ntnu.no";
-      smtpFromName = "VaultWarden PVV";
+      SMTP_FROM_NAME = "VaultWarden PVV";
 
-      smtpHost = "smtp.pvv.ntnu.no";
+      SMTP_HOST = "smtp.pvv.ntnu.no";
-      smtpUsername = "vaultwarden";
+      SMTP_USERNAME = "vaultwarden";
-      smtpSecurity = "force_tls";
+      SMTP_SECURITY = "force_tls";
-      smtpAuthMechanism = "Login";
+      SMTP_AUTH_MECHANISM = "Login";
 
-      # Configured in environ:
+      RSA_KEY_FILENAME = lib.removeSuffix ".pem" config.sops.secrets."vaultwarden/rsa_key.pem".path;
-      # databaseUrl = "postgresql://vaultwarden@/vaultwarden";
-      # smtpPassword = hemli
     };
   };
 
@@ -66,37 +84,20 @@ in {
     };
   };
 
-  systemd.services.vaultwarden = lib.mkIf cfg.enable {
+  services.rsync-pull-targets = {
-    serviceConfig = {
+    enable = true;
-      AmbientCapabilities = [ "" ];
+    locations."/var/lib/vaultwarden" = {
-      CapabilityBoundingSet = [ "" ];
+      user = "root";
-      DeviceAllow = [ "" ];
+      rrsyncArgs.ro = true;
-      LockPersonality = true;
+      authorizedKeysAttrs = [
-      NoNewPrivileges = true;
+        "restrict"
-      # MemoryDenyWriteExecute = true;
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
-      PrivateMounts = true;
+        "no-agent-forwarding"
-      PrivateUsers = true;
+        "no-port-forwarding"
-      ProcSubset = "pid";
+        "no-pty"
-      ProtectClock = true;
+        "no-X11-forwarding"
-      ProtectControlGroups = true;
-      ProtectHostname = true;
-      ProtectKernelLogs = true;
-      ProtectKernelModules = true;
-      ProtectKernelTunables = true;
-      RestrictAddressFamilies = [
-        "AF_INET"
-        "AF_INET6"
-        "AF_UNIX"
-      ];
-      RemoveIPC = true;
-      RestrictNamespaces = true;
-      RestrictRealtime = true;
-      RestrictSUIDSGID = true;
-      SystemCallArchitectures = "native";
-      SystemCallFilter = [
-        "@system-service"
-        "~@privileged"
       ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB2cDaW52gBtLVaNqoGijvN2ZAVkAWlII5AXUzT3Dswj vaultwarden rsync backup";
     };
   };
 }

hosts/bekkalokk/services/webmail/roundcube.nix

@@ -9,6 +9,12 @@ in
   sops.secrets."roundcube/postgres_password" = {
     owner = "nginx";
     group = "nginx";
+    restartUnits = [ "phpfpm-roundcube.service" ];
+  };
+  sops.secrets."roundcube/des_key" = {
+    owner = "nginx";
+    group = "nginx";
+    restartUnits = [ "phpfpm-roundcube.service" ];
   };
 
   services.roundcube = {
@@ -39,6 +45,7 @@ in
       $config['mail_domain'] = "pvv.ntnu.no";
       $config['smtp_user'] = "%u";
       $config['support_url'] = "";
+      $config['des_key'] = "${config.sops.secrets."roundcube/des_key".path}";
     '';
   };
 

hosts/bekkalokk/services/webmail/snappymail.nix

@@ -1,4 +1,4 @@
-{ config, lib, fp, pkgs, ... }:
+{ config, lib, fp, pkgs, values, ... }:
 let
   cfg = config.services.snappymail;
 in {
@@ -14,5 +14,21 @@ in {
     enableACME = true;
     kTLS = true;
   };
-}
 
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.dataDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJENMnuNsHEeA91oX+cj7Qpex2defSXP/lxznxCAqV03 snappymail rsync backup";
+    };
+  };
+}

hosts/bekkalokk/services/website/default.nix

@@ -80,9 +80,40 @@ in {
   };
 
   services.phpfpm.pools."pvv-nettsiden".settings = {
-    # "php_admin_value[error_log]" = "stderr";
+    "php_admin_value[error_log]" = "syslog";
     "php_admin_flag[log_errors]" = true;
     "catch_workers_output" = true;
+
+    "php_admin_value[max_execution_time]" = "30";
+    "request_terminate_timeout" = "60s";
+
+    "php_admin_value[sendmail_path]" = let
+      fakeSendmail = pkgs.writeShellApplication {
+        name = "fake-sendmail";
+        text = ''
+          TIMESTAMP="$(date +%Y-%m-%d-%H-%M-%S-%N)"
+          (
+            echo "SENDMAIL ARGS:"
+            echo "$@"
+            echo "SENDMAIL STDIN:"
+            cat -
+          ) > "/var/lib/pvv-nettsiden/emails/$TIMESTAMP.mail"
+        '';
+      };
+    in lib.getExe fakeSendmail;
+
+    "php_admin_value[disable_functions]" = lib.concatStringsSep "," [
+      "curl_exec"
+      "curl_multi_exec"
+      "exec"
+      "parse_ini_file"
+      "passthru"
+      "popen"
+      "proc_open"
+      "shell_exec"
+      "show_source"
+      "system"
+    ];
   };
 
   services.nginx.virtualHosts."pvv.ntnu.no" = {

hosts/bekkalokk/services/website/fetch-gallery.nix

@@ -1,15 +1,30 @@
-{ pkgs, lib, config, ... }:
+{ pkgs, lib, config, values, ... }:
 let
   galleryDir = config.services.pvv-nettsiden.settings.GALLERY.DIR;
   transferDir = "${config.services.pvv-nettsiden.settings.GALLERY.DIR}-transfer";
 in {
   users.users.${config.services.pvv-nettsiden.user} = {
+    # NOTE: the user unfortunately needs a registered shell for rrsync to function...
+    #       is there anything we can do to remove this?
     useDefaultShell = true;
+  };
 
   # This is pushed from microbel:/var/www/www-gallery/build-gallery.sh
-    openssh.authorizedKeys.keys = [
+  services.rsync-pull-targets = {
-    ''command="${pkgs.rrsync}/bin/rrsync -wo ${transferDir}",restrict,no-agent-forwarding,no-port-forwarding,no-pty,no-X11-forwarding ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIjHhC2dikhWs/gG+m7qP1eSohWzTehn4ToNzDSOImyR gallery-publish''
+    enable = true;
+    locations.${transferDir} = {
+      user = config.services.pvv-nettsiden.user;
+      rrsyncArgs.wo = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"microbel.pvv.ntnu.no,${values.hosts.microbel.ipv6},${values.hosts.microbel.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
       ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIjHhC2dikhWs/gG+m7qP1eSohWzTehn4ToNzDSOImyR gallery-publish";
+    };
   };
 
   systemd.paths.pvv-nettsiden-gallery-update = {
@@ -25,15 +40,15 @@ in {
     path = with pkgs; [ imagemagick gnutar gzip ];
 
     script = ''
-      tar ${lib.cli.toGNUCommandLineShell {} {
+      tar ${lib.cli.toCommandLineShellGNU { } {
         extract = true;
         file = "${transferDir}/gallery.tar.gz";
         directory = ".";
       }}
 
       # Delete files and directories that exists in the gallery that don't exist in the tarball
-      filesToRemove=$(uniq -u <(sort <(find . -not -path "./.thumbnails*") <(tar -tf ${transferDir}/gallery.tar.gz | sed 's|/$||')))
+      filesToRemove=$(uniq -u <(sort <(find . -not -path './.thumbnails*') <(tar -tf '${transferDir}/gallery.tar.gz' | sed 's|/$||')))
-      while IFS= read fname; do
+      while IFS= read -r fname; do
         rm -f "$fname" ||:
         rm -f ".thumbnails/$fname.png" ||:
       done <<< "$filesToRemove"
@@ -41,9 +56,9 @@ in {
       find . -type d -empty -delete
 
       mkdir -p .thumbnails
-      images=$(find . -type f -not -path "./.thumbnails*")
+      images=$(find . -type f -not -path './.thumbnails*')
 
-      while IFS= read fname; do
+      while IFS= read -r fname; do
         # Skip this file if an up-to-date thumbnail already exists
         if [ -f ".thumbnails/$fname.png" ] && \
           [ "$(date -R -r "$fname")" == "$(date -R -r ".thumbnails/$fname.png")" ]
@@ -52,7 +67,7 @@ in {
         fi
 
         echo "Creating thumbnail for $fname"
-        mkdir -p $(dirname ".thumbnails/$fname")
+        mkdir -p "$(dirname ".thumbnails/$fname")"
         magick -define jpeg:size=200x200 "$fname" -thumbnail 300 -auto-orient ".thumbnails/$fname.png" ||:
         touch -m -d "$(date -R -r "$fname")" ".thumbnails/$fname.png"
       done <<< "$images"

hosts/bekkalokk/services/well-known/default.nix

@@ -1,6 +1,12 @@
-{ ... }:
+{ lib, ... }:
 {
-  services.nginx.virtualHosts."www.pvv.ntnu.no".locations = {
+  services.nginx.virtualHosts = lib.genAttrs [
+    "pvv.ntnu.no"
+    "www.pvv.ntnu.no"
+    "pvv.org"
+    "www.pvv.org"
+  ] (_: {
+    locations = {
       "^~ /.well-known/" = {
         alias = (toString ./root) + "/";
       };
@@ -15,4 +21,5 @@
         '';
       };
     };
+  });
 }

hosts/bekkalokk/services/well-known/root/security.txt

@@ -6,7 +6,11 @@ Contact: mailto:cert@pvv.ntnu.no
 Preferred-Languages: no, en
 
 Expires: 2032-12-31T23:59:59.000Z
-# This file was last updated 2024-09-14.
+# This file was last updated 2026-02-27.
 
 # You can find a wikipage for our security policies at:
 # https://wiki.pvv.ntnu.no/wiki/CERT
+
+# Please note that we are a student organization, and unfortunately we do not
+# have a bug bounty program or offer monetary compensation for disclosure of
+# security vulnerabilities.

hosts/bicep/configuration.nix

@@ -9,22 +9,12 @@
     ./services/calendar-bot.nix
     #./services/git-mirrors
     ./services/minecraft-heatmap.nix
-    ./services/mysql.nix
+    ./services/mysql
-    ./services/postgres.nix
+    ./services/postgresql
 
     ./services/matrix
   ];
 
-  sops.defaultSopsFile = fp /secrets/bicep/bicep.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "bicep";
-
   #systemd.network.networks."30-enp6s0f0" = values.defaultNetworkConfig // {
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     #matchConfig.Name = "enp6s0f0";
@@ -36,17 +26,9 @@
     anyInterface = true;
   };
 
-  # There are no smart devices
-  services.smartd.enable = false;
-
-  # we are a vm now
   services.qemuGuest.enable = true;
 
-  # Enable the OpenSSH daemon.
+  # Don't change (even during upgrades) unless you know what you are doing.
-  services.openssh.enable = true;
-  services.sshguard.enable = true;
-
-  # Do not change, even during upgrades.
   # See https://search.nixos.org/options?show=system.stateVersion
-  system.stateVersion = "22.11";
+  system.stateVersion = "25.11";
 }

hosts/bicep/services/matrix/coturn.nix

@@ -1,13 +1,6 @@
 { config, lib, fp, pkgs, secrets, values, ... }:
 
 {
-  sops.secrets."matrix/synapse/turnconfig" = {
-    sopsFile = fp /secrets/bicep/matrix.yaml;
-    key = "synapse/turnconfig";
-    owner = config.users.users.matrix-synapse.name;
-    group = config.users.users.matrix-synapse.group;
-    restartUnits = [ "coturn.service" ];
-  };
   sops.secrets."matrix/coturn/static-auth-secret" = {
     sopsFile = fp /secrets/bicep/matrix.yaml;
     key = "coturn/static-auth-secret";
@@ -16,9 +9,18 @@
     restartUnits = [ "coturn.service" ];
   };
 
+  sops.templates."matrix-synapse-turnconfig" = {
+    owner = config.users.users.matrix-synapse.name;
+    group = config.users.users.matrix-synapse.group;
+    content = ''
+      turn_shared_secret: ${config.sops.placeholder."matrix/coturn/static-auth-secret"}
+    '';
+    restartUnits = [ "matrix-synapse.target" ];
+  };
+
   services.matrix-synapse-next = {
     extraConfigFiles = [
-      config.sops.secrets."matrix/synapse/turnconfig".path
+      config.sops.templates."matrix-synapse-turnconfig".path
     ];
 
     settings = {

hosts/bicep/services/matrix/default.nix

@@ -1,10 +1,9 @@
 { config, ... }:
-
 {
-
   imports = [
-    ./synapse.nix
     ./synapse-admin.nix
+    ./synapse-auto-compressor.nix
+    ./synapse.nix
     ./element.nix
     ./coturn.nix
     ./livekit.nix
@@ -15,7 +14,4 @@
     ./out-of-your-element.nix
     ./hookshot
   ];
-
-
-
 }

hosts/bicep/services/matrix/element.nix

@@ -16,10 +16,10 @@ in {
 
     root = pkgs.element-web.override {
       conf = {
-        default_server_config."m.homeserver" = {
+        # Tries to look up well-known first, else uses bundled config.
-          base_url = "https://matrix.pvv.ntnu.no";
+        default_server_name = "matrix.pvv.ntnu.no";
-          server_name = "pvv.ntnu.no";
+        default_server_config = config.services.pvv-matrix-well-known.client;
-        };
+
         disable_3pid_login = true;
 #        integrations_ui_url = "https://dimension.dodsorf.as/riot";
 #        integrations_rest_url = "https://dimension.dodsorf.as/api/v1/scalar";
@@ -37,6 +37,7 @@ in {
           # element call group calls
           feature_group_calls = true;
         };
+        default_country_code = "NO";
         default_theme = "dark";
         # Servers in this list should provide some sort of valuable scoping
         # matrix.org is not useful compared to matrixrooms.info,

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

@@ -14,6 +14,10 @@ in
     sopsFile = fp /secrets/bicep/matrix.yaml;
     key = "hookshot/hs_token";
   };
+  sops.secrets."matrix/hookshot/passkey" = {
+    sopsFile = fp /secrets/bicep/matrix.yaml;
+    key = "hookshot/passkey";
+  };
 
   sops.templates."hookshot-registration.yaml" = {
     owner = config.users.users.matrix-synapse.name;
@@ -44,9 +48,14 @@ in
   };
 
   systemd.services.matrix-hookshot = {
-    serviceConfig.SupplementaryGroups = [
+    serviceConfig = {
+      SupplementaryGroups = [
         config.users.groups.keys-matrix-registrations.name
       ];
+      LoadCredential = [
+        "passkey.pem:${config.sops.secrets."matrix/hookshot/passkey".path}"
+      ];
+    };
   };
 
   services.matrix-hookshot = {
@@ -54,6 +63,8 @@ in
     package = unstablePkgs.matrix-hookshot;
     registrationFile = config.sops.templates."hookshot-registration.yaml".path;
     settings = {
+      passFile = "/run/credentials/matrix-hookshot.service/passkey.pem";
+
       bridge = {
         bindAddress = "127.0.0.1";
         domain = "pvv.ntnu.no";
@@ -61,6 +72,7 @@ in
         mediaUrl = "https://matrix.pvv.ntnu.no";
         port = 9993;
       };
+
       listeners = [
         {
           bindAddress = webhookListenAddress;
@@ -73,6 +85,7 @@ in
           ];
         }
       ];
+
       generic = {
         enabled = true;
         outbound = true;

hosts/bicep/services/matrix/livekit.nix

@@ -43,7 +43,7 @@ in
     keyFile = config.sops.templates."matrix-livekit-keyfile".path;
   };
 
-  systemd.services.lk-jwt-service.environment.LIVEKIT_FULL_ACCESS_HOMESERVERS = lib.mkIf cfg.enable matrixDomain;
+  systemd.services.lk-jwt-service.environment.LIVEKIT_FULL_ACCESS_HOMESERVERS = lib.mkIf cfg.enable (builtins.concatStringsSep "," [ "pvv.ntnu.no" "dodsorf.as" ]);
 
   services.nginx.virtualHosts.${matrixDomain} = lib.mkIf cfg.enable {
     locations."^~ /livekit/jwt/" = {

hosts/bicep/services/matrix/out-of-your-element.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, fp, ... }:
+{ config, pkgs, lib, values, fp, ... }:
 let
   cfg = config.services.matrix-ooye;
 in
@@ -28,6 +28,23 @@ in
     };
   };
 
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations."/var/lib/private/matrix-ooye" = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE5koYfor5+kKB30Dugj3dAWvmj8h/akQQ2XYDvLobFL matrix_ooye rsync backup";
+    };
+  };
+
   services.matrix-ooye = {
     enable = true;
     homeserver = "https://matrix.pvv.ntnu.no";

hosts/bicep/services/matrix/synapse-auto-compressor.nix

@@ -0,0 +1,56 @@
+{ config, lib, utils, ... }:
+let
+  cfg = config.services.synapse-auto-compressor;
+in
+{
+  services.synapse-auto-compressor = {
+    # enable = true;
+    postgresUrl = "postgresql://matrix-synapse@/synapse?host=/run/postgresql";
+  };
+
+  # NOTE: nixpkgs has some broken asserts, vendored the entire unit
+  systemd.services.synapse-auto-compressor = {
+    description = "synapse-auto-compressor";
+    requires = [
+      "postgresql.target"
+    ];
+    inherit (cfg) startAt;
+    serviceConfig = {
+      Type = "oneshot";
+      DynamicUser = true;
+      User = "matrix-synapse";
+      PrivateTmp = true;
+      ExecStart = utils.escapeSystemdExecArgs [
+        "${cfg.package}/bin/synapse_auto_compressor"
+        "-p"
+        cfg.postgresUrl
+        "-c"
+        cfg.settings.chunk_size
+        "-n"
+        cfg.settings.chunks_to_compress
+        "-l"
+        (lib.concatStringsSep "," (map toString cfg.settings.levels))
+      ];
+      LockPersonality = true;
+      MemoryDenyWriteExecute = true;
+      NoNewPrivileges = true;
+      PrivateDevices = true;
+      PrivateMounts = true;
+      PrivateUsers = true;
+      RemoveIPC = true;
+      RestrictNamespaces = true;
+      RestrictRealtime = true;
+      RestrictSUIDSGID = true;
+      ProcSubset = "pid";
+      ProtectProc = "invisible";
+      ProtectSystem = "strict";
+      ProtectHome = true;
+      ProtectHostname = true;
+      ProtectClock = true;
+      ProtectKernelTunables = true;
+      ProtectKernelModules = true;
+      ProtectKernelLogs = true;
+      ProtectControlGroups = true;
+    };
+  };
+}

hosts/bicep/services/matrix/synapse.nix

@@ -15,11 +15,33 @@ in {
     group = config.users.users.matrix-synapse.group;
   };
 
-  sops.secrets."matrix/synapse/user_registration" = {
+  sops.secrets."matrix/synapse/user_registration/registration_shared_secret" = {
     sopsFile = fp /secrets/bicep/matrix.yaml;
-    key = "synapse/signing_key";
+    key = "synapse/user_registration/registration_shared_secret";
+  };
+  sops.templates."matrix-synapse-user-registration" = {
     owner = config.users.users.matrix-synapse.name;
     group = config.users.users.matrix-synapse.group;
+    content = ''
+      registration_shared_secret: ${config.sops.placeholder."matrix/synapse/user_registration/registration_shared_secret"}
+    '';
+  };
+
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.settings.media_store_path} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIASnjI9b3j4ZS3BL/D1ggHfws1BkE8iS0v0cGpEmbG+k matrix_media_store rsync backup";
+    };
   };
 
   services.matrix-synapse-next = {
@@ -83,7 +105,7 @@ in {
       mau_stats_only = true;
 
       enable_registration = false;
-      registration_shared_secret_path = config.sops.secrets."matrix/synapse/user_registration".path;
+      registration_shared_secret_path = config.sops.templates."matrix-synapse-user-registration".path;
 
       password_config.enabled = true;
 
@@ -95,6 +117,32 @@ in {
         }
       ];
 
+      experimental_features = {
+        # MSC3266: Room summary API. Used for knocking over federation
+        msc3266_enabled = true;
+        # MSC4222 needed for syncv2 state_after. This allow clients to
+        # correctly track the state of the room.
+        msc4222_enabled = true;
+      };
+
+      # The maximum allowed duration by which sent events can be delayed, as
+      # per MSC4140.
+      max_event_delay_duration = "24h";
+
+      rc_message = {
+        # This needs to match at least e2ee key sharing frequency plus a bit of headroom
+        # Note key sharing events are bursty
+        per_second = 0.5;
+        burst_count = 30;
+      };
+
+      rc_delayed_event_mgmt = {
+        # This needs to match at least the heart-beat frequency plus a bit of headroom
+        # Currently the heart-beat is every 5 seconds which translates into a rate of 0.2s
+        per_second = 1;
+        burst_count = 20;
+      };
+
       trusted_key_servers = [
         { server_name = "matrix.org"; }
         { server_name = "dodsorf.as"; }

hosts/bicep/services/minecraft-heatmap.nix

@@ -22,7 +22,7 @@ in
     };
   };
 
-  systemd.services.minecraft-heatmap-ingest-logs = {
+  systemd.services.minecraft-heatmap-ingest-logs = lib.mkIf cfg.enable {
     serviceConfig.LoadCredential = [
       "sshkey:${config.sops.secrets."minecraft-heatmap/ssh-key/private".path}"
     ];

hosts/bicep/services/mysql/backup.nix

@@ -0,0 +1,83 @@
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.mysql;
+  backupDir = "/data/mysql-backups";
+in
+{
+  # services.mysqlBackup = lib.mkIf cfg.enable {
+  #   enable = true;
+  #   location = "/var/lib/mysql-backups";
+  # };
+
+  systemd.tmpfiles.settings."10-mysql-backups".${backupDir}.d = {
+	  user = "mysql";
+	  group = "mysql";
+	  mode = "700";
+	};
+
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations.${backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJgj55/7Cnj4cYMJ5sIkl+OwcGeBe039kXJTOf2wvo9j mysql rsync backup";
+    };
+  };
+
+  # NOTE: instead of having the upstream nixpkgs postgres backup unit trigger
+  #       another unit, it was easier to just make one ourselves.
+  systemd.services."backup-mysql" = lib.mkIf cfg.enable {
+    description = "Backup MySQL data";
+    requires = [ "mysql.service" ];
+
+    path = with pkgs; [
+      cfg.package
+      coreutils
+      zstd
+    ];
+
+    script = let
+      rotations = 2;
+    in ''
+      set -euo pipefail
+
+      OUT_FILE="$STATE_DIRECTORY/mysql-dump-$(date --iso-8601).sql.zst"
+
+      mysqldump --all-databases | zstd --compress -9 --rsyncable -o "$OUT_FILE"
+
+      # NOTE: this needs to be a hardlink for rrsync to allow sending it
+      rm "$STATE_DIRECTORY/mysql-dump-latest.sql.zst" ||:
+      ln -T "$OUT_FILE" "$STATE_DIRECTORY/mysql-dump-latest.sql.zst"
+
+      while [ "$(find "$STATE_DIRECTORY" -type f -printf '.' | wc -c)" -gt '${toString (rotations + 1)}' ]; do
+        rm "$(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)"
+      done
+    '';
+
+    serviceConfig = {
+      Type = "oneshot";
+      User = "mysql";
+      Group = "mysql";
+      UMask = "0077";
+
+      Nice = 19;
+      IOSchedulingClass = "best-effort";
+      IOSchedulingPriority = 7;
+
+      StateDirectory = [ "mysql-backups" ];
+      BindPaths = [ "${backupDir}:/var/lib/mysql-backups" ];
+
+      # TODO: hardening
+    };
+
+    startAt = "*-*-* 02:15:00";
+  };
+}

hosts/bicep/services/mysql/default.nix

@@ -1,5 +1,11 @@
-{ pkgs, lib, config, values, ... }:
+{ config, pkgs, lib, values, ... }:
+let
+  cfg = config.services.mysql;
+  dataDir = "/data/mysql";
+in
 {
+  imports = [ ./backup.nix ];
+
   sops.secrets."mysql/password" = {
     owner = "mysql";
     group = "mysql";
@@ -9,8 +15,7 @@
 
   services.mysql = {
     enable = true;
-    dataDir = "/data/mysql";
+    package = pkgs.mariadb_118;
-    package = pkgs.mariadb;
     settings = {
       mysqld = {
         # PVV allows a lot of connections at the same time
@@ -21,6 +26,9 @@
         # This was needed in order to be able to use all of the old users
         # during migration from knakelibrak to bicep in Sep. 2023
         secure_auth = 0;
+
+        slow-query-log = 1;
+        slow-query-log-file = "/var/log/mysql/mysql-slow.log";
       };
     };
 
@@ -36,14 +44,24 @@
     }];
   };
 
-  services.mysqlBackup = {
+  networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 3306 ];
-    enable = true;
+
-    location = "/var/lib/mysql/backups";
+  systemd.tmpfiles.settings."10-mysql".${dataDir}.d = lib.mkIf cfg.enable {
+    inherit (cfg) user group;
+    mode = "0700";
   };
 
-  networking.firewall.allowedTCPPorts = [ 3306 ];
+  systemd.services.mysql = lib.mkIf cfg.enable {
+    after = [
+      "systemd-tmpfiles-setup.service"
+      "systemd-tmpfiles-resetup.service"
+    ];
+
+    serviceConfig = {
+      BindPaths = [ "${dataDir}:${cfg.dataDir}" ];
+
+      LogsDirectory = "mysql";
 
-  systemd.services.mysql.serviceConfig = {
       IPAddressDeny = "any";
       IPAddressAllow = [
         values.ipv4-space
@@ -52,4 +70,5 @@
         values.hosts.ildkule.ipv6
       ];
     };
+  };
 }

hosts/bicep/services/postgresql/backup.nix

@@ -0,0 +1,84 @@
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.postgresql;
+  backupDir = "/data/postgresql-backups";
+in
+{
+  # services.postgresqlBackup = lib.mkIf cfg.enable {
+  #   enable = true;
+  #   location = "/var/lib/postgresql-backups";
+  #   backupAll = true;
+  # };
+
+  systemd.tmpfiles.settings."10-postgresql-backups".${backupDir}.d = {
+	  user = "postgres";
+	  group = "postgres";
+	  mode = "700";
+	};
+
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations.${backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGvO7QX7QmwSiGLXEsaxPIOpAqnJP3M+qqQRe5dzf8gJ postgresql rsync backup";
+    };
+  };
+
+  # NOTE: instead of having the upstream nixpkgs postgres backup unit trigger
+  #       another unit, it was easier to just make one ourselves
+  systemd.services."backup-postgresql" = {
+    description = "Backup PostgreSQL data";
+    requires = [ "postgresql.service" ];
+
+    path = with pkgs; [
+      coreutils
+      zstd
+      cfg.package
+    ];
+
+    script = let
+      rotations = 2;
+    in ''
+      set -euo pipefail
+
+      OUT_FILE="$STATE_DIRECTORY/postgresql-dump-$(date --iso-8601).sql.zst"
+
+      pg_dumpall -U postgres | zstd --compress -9 --rsyncable -o "$OUT_FILE"
+
+      # NOTE: this needs to be a hardlink for rrsync to allow sending it
+      rm "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst" ||:
+      ln -T "$OUT_FILE" "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst"
+
+      while [ "$(find "$STATE_DIRECTORY" -type f -printf '.' | wc -c)" -gt '${toString (rotations + 1)}' ]; do
+        rm "$(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)"
+      done
+    '';
+
+    serviceConfig = {
+      Type = "oneshot";
+      User = "postgres";
+      Group = "postgres";
+      UMask = "0077";
+
+      Nice = 19;
+      IOSchedulingClass = "best-effort";
+      IOSchedulingPriority = 7;
+
+      StateDirectory = [ "postgresql-backups" ];
+      BindPaths = [ "${backupDir}:/var/lib/postgresql-backups" ];
+
+      # TODO: hardening
+    };
+
+    startAt = "*-*-* 01:15:00";
+  };
+}

hosts/bicep/services/postgresql/cleanup-timers.nix

@@ -0,0 +1,37 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.postgresql;
+in
+{
+  config = lib.mkIf cfg.enable {
+    systemd.services = {
+      postgresql-repack = {
+        requires = [ "postgresql.service" ];
+        after = [ "postgresql.target" ];
+        description = "Repack all PostgreSQL databases";
+        startAt = "Mon 06:00:00";
+        serviceConfig = {
+          Type = "oneshot";
+          User = "postgres";
+          Group = "postgres";
+
+          ExecStart = "${lib.getExe cfg.package.pkgs.pg_repack} --host=/run/postgresql --no-kill-backend --wait-timeout=30 --all";
+        };
+      };
+
+      postgresql-vacuum-analyze = {
+        requires = [ "postgresql.service" ];
+        after = [ "postgresql.target" ];
+        description = "Vacuum and analyze all PostgreSQL databases";
+        startAt = "Tue 06:00:00";
+        serviceConfig = {
+          Type = "oneshot";
+          User = "postgres";
+          Group = "postgres";
+
+          ExecStart = "${lib.getExe' cfg.package "psql"} --port=${builtins.toString cfg.settings.port} -tAc 'VACUUM ANALYZE'";
+        };
+      };
+    };
+  };
+}

hosts/bicep/services/postgresql/default.nix

@@ -1,8 +1,17 @@
-{ config, pkgs, values, ... }:
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.postgresql;
+in
 {
+  imports = [
+    ./backup.nix
+    ./cleanup-timers.nix
+  ];
+
   services.postgresql = {
     enable = true;
-    package = pkgs.postgresql_15;
+    package = pkgs.postgresql_18;
+    extensions = ps: with ps; [ pg_repack ];
     enableTCPIP = true;
 
     authentication = ''
@@ -74,13 +83,13 @@
     };
   };
 
-  systemd.tmpfiles.settings."10-postgresql"."/data/postgresql".d = {
+  systemd.tmpfiles.settings."10-postgresql"."/data/postgresql".d = lib.mkIf cfg.enable {
     user = config.systemd.services.postgresql.serviceConfig.User;
     group = config.systemd.services.postgresql.serviceConfig.Group;
     mode = "0700";
   };
 
-  systemd.services.postgresql-setup = {
+  systemd.services.postgresql-setup = lib.mkIf cfg.enable {
     after = [
       "systemd-tmpfiles-setup.service"
       "systemd-tmpfiles-resetup.service"
@@ -95,7 +104,7 @@
     };
   };
 
-  systemd.services.postgresql = {
+  systemd.services.postgresql = lib.mkIf cfg.enable {
     after = [
       "systemd-tmpfiles-setup.service"
       "systemd-tmpfiles-resetup.service"
@@ -110,18 +119,12 @@
     };
   };
 
-  environment.snakeoil-certs."/etc/certs/postgres" = {
+  environment.snakeoil-certs."/etc/certs/postgres" = lib.mkIf cfg.enable {
     owner = "postgres";
     group = "postgres";
     subject = "/C=NO/O=Programvareverkstedet/CN=postgres.pvv.ntnu.no/emailAddress=drift@pvv.ntnu.no";
   };
 
-  networking.firewall.allowedTCPPorts = [ 5432 ];
+  networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 5432 ];
-  networking.firewall.allowedUDPPorts = [ 5432 ];
+  networking.firewall.allowedUDPPorts = lib.mkIf cfg.enable [ 5432 ];
-
-  services.postgresqlBackup = {
-    enable = true;
-    location = "/var/lib/postgres/backups";
-    backupAll = true;
-  };
 }

hosts/bikkje/configuration.nix

@@ -25,6 +25,7 @@
       ];
 
       networking = {
+        hostName = "bikkje";
         firewall = {
           enable = true;
           # Allow SSH and HTTP and ports for email and irc
@@ -36,9 +37,11 @@
         useHostResolvConf = mkForce false;
       };
 
-      system.stateVersion = "23.11";
       services.resolved.enable = true;
-    };
-  };
 
+      # Don't change (even during upgrades) unless you know what you are doing.
+      # See https://search.nixos.org/options?show=system.stateVersion
+      system.stateVersion = "23.11";
+    };
+  };
 };

hosts/brzeczyszczykiewicz/configuration.nix

@@ -8,28 +8,14 @@
       ./services/grzegorz.nix
     ];
 
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "brzeczyszczykiewicz";
-
   systemd.network.networks."30-eno1" = values.defaultNetworkConfig // {
     matchConfig.Name = "eno1";
     address = with values.hosts.brzeczyszczykiewicz; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
+  fonts.fontconfig.enable = true;
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # List services that you want to enable:
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It's perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "25.11";
 }

hosts/dagali/TODO.md

@@ -0,0 +1,78 @@
+# Tracking document for new PVV kerberos auth stack
+
+![Bensinstasjon på heimdal](https://bydelsnytt.no/wp-content/uploads/2022/08/esso_heimdal003.jpg)
+
+<div align="center">
+  Bensinstasjon på heimdal
+</div>
+
+### TODO:
+
+- [ ] setup heimdal
+  - [x] ensure running with systemd
+  - [x] compile smbk5pwd (part of openldap)
+  - [ ] set `modify -a -disallow-all-tix,requires-pre-auth default` declaratively
+  - [ ] fully initialize PVV.NTNU.NO
+    - [x] `kadmin -l init PVV.NTNU.NO`
+    - [x] add oysteikt/admin@PVV.NTNU.NO principal
+    - [x] add oysteikt@PVV.NTNU.NO principal
+    - [x] add krbtgt/PVV.NTNU.NO@PVV.NTNU.NO principal?
+      - why is this needed, and where is it documented?
+      - `kadmin check` seems to work under sudo?
+      - (it is included by default, just included as error message
+         in a weird state)
+
+    - [x] Ensure client is working correctly
+      - [x] Ensure kinit works on darbu
+      - [x] Ensure kpasswd works on darbu
+      - [x] Ensure kadmin get <user> (and other restricted commands) works on darbu
+
+    - [ ] Ensure kdc is working correctly
+      - [x] Ensure kinit works on dagali
+      - [x] Ensure kpasswd works on dagali
+      - [ ] Ensure kadmin get <user> (and other restricte commands) works on dagali
+
+    - [x] Fix FQDN
+      - https://github.com/NixOS/nixpkgs/issues/94011
+      - https://github.com/NixOS/nixpkgs/issues/261269
+      - Possibly fixed by disabling systemd-resolved
+
+- [ ] setup cyrus sasl
+  - [x] ensure running with systemd 
+  - [x] verify GSSAPI support plugin is installed
+    - `nix-shell -p cyrus_sasl --command pluginviewer`
+  - [x] create "host/localhost@PVV.NTNU.NO" and export to keytab
+  - [x] verify cyrus sasl is able to talk to heimdal
+    - `sudo testsaslauthd -u oysteikt -p <password>`
+  - [ ] provide ldap principal to cyrus sasl through keytab
+
+- [ ] setup openldap
+  - [x] ensure running with systemd
+  - [ ] verify openldap is able to talk to cyrus sasl
+  - [ ] create user for oysteikt in openldap
+  - [ ] authenticate openldap login through sasl
+    - does this require creating an ldap user?
+
+- [ ] fix smbk5pwd integration
+  - [x] add smbk5pwd schemas to openldap
+  - [x] create openldap db for smbk5pwd with overlays
+  - [ ] test to ensure that user sync is working
+  - [ ] test as user source (replace passwd)
+  - [ ] test as PAM auth source
+  - [ ] test as auth source for 3rd party appliation
+
+- [ ] Set up ldap administration panel
+  - Doesn't seem like there are many good ones out there. Maybe phpLDAPAdmin?
+
+- [ ] Set up kerberos SRV DNS entry
+
+### Information and URLS
+
+- OpenLDAP SASL: https://www.openldap.org/doc/admin24/sasl.html
+- Use a keytab: https://kb.iu.edu/d/aumh
+- 2 ways for openldap to auth: https://security.stackexchange.com/questions/65093/how-to-test-ldap-that-authenticates-with-kerberos
+- Cyrus guide OpenLDAP + SASL + GSSAPI: https://www.cyrusimap.org/sasl/sasl/faqs/openldap-sasl-gssapi.html
+- Configuring GSSAPI and Cyrus SASL: https://web.mit.edu/darwin/src/modules/passwordserver_sasl/cyrus_sasl/doc/gssapi.html
+- PVV Kerberos docs: https://wiki.pvv.ntnu.no/wiki/Drift/Kerberos
+- OpenLDAP smbk5pwd source: https://git.openldap.org/nivanova/openldap/-/tree/master/contrib/slapd-modules/smbk5pwd
+- saslauthd(8): https://linux.die.net/man/8/saslauthd

hosts/dagali/configuration.nix

@@ -0,0 +1,51 @@
+
+{ config, pkgs, values, lib, ... }:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ../../base.nix
+    ../../misc/metrics-exporters.nix
+
+    ./services/heimdal.nix
+    #./services/openldap.nix
+    ./services/cyrus-sasl.nix
+  ];
+
+  # buskerud does not support efi?
+  # boot.loader.systemd-boot.enable = true;
+  # boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda";
+
+  # resolved messes up FQDN coming from nscd
+  services.resolved.enable = false;
+
+  networking.hostName = "dagali";
+  networking.domain = lib.mkForce "pvv.local";
+  networking.hosts = {
+    "129.241.210.185" = [ "dagali.pvv.local" ];
+  };
+  #networking.search = [ "pvv.ntnu.no" "pvv.org" ];
+  networking.nameservers = [ "129.241.0.200" "129.241.0.201" ];
+  networking.tempAddresses = "disabled";
+  networking.networkmanager.enable = true;
+
+  systemd.network.networks."ens18" = values.defaultNetworkConfig // {
+    matchConfig.Name = "ens18";
+    address = with values.hosts.dagali; [ (ipv4 + "/25") (ipv6 + "/64") ];
+  };
+
+  # List packages installed in system profile
+  environment.systemPackages = with pkgs; [
+    # TODO: consider adding to base.nix
+    nix-output-monitor
+  ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.05"; # Did you read the comment?
+}

hosts/dagali/hardware-configuration.nix

@@ -0,0 +1,33 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/4de345e2-be41-4d10-9b90-823b2c77e9b3";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/aa4b9a97-a7d8-4608-9f67-4ad084f1baf7"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/dagali/services/cyrus-sasl.nix

@@ -0,0 +1,21 @@
+{ config, ... }:
+let
+  cfg = config.services.saslauthd;
+in
+{
+  # TODO: This is seemingly required for openldap to authenticate
+  #       against kerberos, but I have no idea how to configure it as
+  #       such. Does it need a keytab? There's a binary "testsaslauthd"
+  #       that follows with `pkgs.cyrus_sasl` that might be useful.
+  services.saslauthd = {
+    enable = true;
+    mechanism = "kerberos5";
+    config = ''
+      mech_list: gs2-krb5 gssapi
+      keytab: /etc/krb5.keytab
+    '';
+  };
+
+  # TODO: maybe the upstream module should consider doing this?
+  environment.systemPackages = [ cfg.package ];
+}

hosts/dagali/services/heimdal.nix

@@ -0,0 +1,100 @@
+{ config, pkgs, lib, ... }:
+let
+  realm = "PVV.LOCAL";
+  cfg = config.security.krb5;
+in
+{
+  security.krb5 = {
+    enable = true;
+
+    # NOTE: This is required in order to build smbk5pwd, because of some nested includes.
+    #       We should open an issue upstream (heimdal, not nixpkgs), but this patch
+    #       will do for now.
+    package = pkgs.heimdal.overrideAttrs (prev: {
+      postInstall = prev.postInstall + ''
+        cp include/heim_threads.h $dev/include
+      '';
+    });
+
+    settings = {
+      realms.${realm} = {
+        kdc = [ "dagali.${lib.toLower realm}" ];
+        admin_server = "dagali.${lib.toLower realm}";
+        kpasswd_server = "dagali.${lib.toLower realm}";
+        default_domain = lib.toLower realm;
+        primary_kdc = "dagali.${lib.toLower realm}";
+      };
+
+      kadmin.default_keys = lib.concatStringsSep " " [
+        "aes256-cts-hmac-sha1-96:pw-salt"
+        "aes128-cts-hmac-sha1-96:pw-salt"
+      ];
+
+      libdefaults.default_etypes = lib.concatStringsSep " " [
+        "aes256-cts-hmac-sha1-96"
+        "aes128-cts-hmac-sha1-96"
+      ];
+
+      libdefaults = {
+        default_realm = realm;
+        dns_lookup_kdc = false;
+        dns_lookup_realm = false;
+      };
+
+      domain_realm = {
+        "${lib.toLower realm}" = realm;
+        ".${lib.toLower realm}" = realm;
+      };
+
+      logging = {
+        # kdc = "CONSOLE";
+        kdc = "SYSLOG:DEBUG:AUTH";
+        admin_server = "SYSLOG:DEBUG:AUTH";
+        default = "SYSLOG:DEBUG:AUTH";
+      };
+    };
+  };
+
+  services.kerberos_server = {
+    enable = true;
+    settings = {
+      realms.${realm} = {
+        dbname = "/var/lib/heimdal/heimdal";
+        mkey = "/var/lib/heimdal/m-key";
+        acl = [
+          {
+            principal = "kadmin/admin";
+            access = "all";
+          }
+          {
+            principal = "felixalb/admin";
+            access = "all";
+          }
+          {
+            principal = "oysteikt/admin";
+            access = "all";
+          }
+        ];
+      };
+      # kadmin.default_keys = lib.concatStringsSep " " [
+      #   "aes256-cts-hmac-sha1-96:pw-salt"
+      #   "aes128-cts-hmac-sha1-96:pw-salt"
+      # ];
+
+      # libdefaults.default_etypes = lib.concatStringsSep " " [
+      #   "aes256-cts-hmac-sha1-96"
+      #   "aes128-cts-hmac-sha1-96"
+      # ];
+
+      # password_quality.min_length = 8;
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 88 464 749 ];
+  networking.firewall.allowedUDPPorts = [ 88 464 749 ];
+
+  networking.hosts = {
+    "127.0.0.2" = lib.mkForce [ ];
+    "::1" = lib.mkForce [ ];
+  };
+}

hosts/dagali/services/openldap.nix

@@ -0,0 +1,121 @@
+{ config, pkgs, lib, ... }:
+{
+  services.openldap = let
+    dn = "dc=pvv,dc=ntnu,dc=no";
+    cfg = config.services.openldap;
+
+    heimdal = config.security.krb5.package;
+  in {
+    enable = true;
+
+    # NOTE: this is a custom build of openldap with support for
+    #       perl and kerberos.
+    package = pkgs.openldap.overrideAttrs (prev: {
+      # https://github.com/openldap/openldap/blob/master/configure
+      configureFlags = prev.configureFlags ++ [
+        # Connect to slapd via UNIX socket
+        "--enable-local"
+        # Cyrus SASL
+        "--enable-spasswd"
+        # Reverse hostname lookups
+        "--enable-rlookups"
+        # perl
+        "--enable-perl"
+      ];
+
+      buildInputs = prev.buildInputs ++ [
+        pkgs.perl
+	# NOTE: do not upstream this, it might not work with
+	#       MIT in the same way
+        heimdal
+      ];
+
+      extraContribModules = prev.extraContribModules ++ [
+        # https://git.openldap.org/openldap/openldap/-/tree/master/contrib/slapd-modules
+        "smbk5pwd"
+      ];
+    });
+
+    settings = {
+      attrs = {
+        olcLogLevel = [ "stats" "config" "args" ];
+
+        # olcAuthzRegexp = ''
+        #   gidNumber=.*\\\+uidNumber=0,cn=peercred,cn=external,cn=auth
+        #         "uid=heimdal,${dn2}"
+        # '';
+
+        # olcSaslSecProps = "minssf=0";
+      };
+
+      children = {
+        "cn=schema".includes = let
+          # NOTE: needed for smbk5pwd.so module
+          schemaToLdif = name: path: pkgs.runCommandNoCC name {
+            buildInputs = with pkgs; [ schema2ldif ];
+          } ''
+            schema2ldif "${path}" > $out
+          '';
+
+          hdb-ldif = schemaToLdif "hdb.ldif" "${heimdal.src}/lib/hdb/hdb.schema";
+          samba-ldif = schemaToLdif "samba.ldif" "${heimdal.src}/tests/ldap/samba.schema";
+        in [
+           "${cfg.package}/etc/schema/core.ldif"
+           "${cfg.package}/etc/schema/cosine.ldif"
+           "${cfg.package}/etc/schema/nis.ldif"
+           "${cfg.package}/etc/schema/inetorgperson.ldif"
+           "${hdb-ldif}"
+           "${samba-ldif}"
+        ];
+
+        # NOTE: installation of smbk5pwd.so module
+        #       https://git.openldap.org/openldap/openldap/-/tree/master/contrib/slapd-modules/smbk5pwd
+        "cn=module{0}".attrs = {
+          objectClass = [ "olcModuleList" ];
+          olcModuleLoad = [ "${cfg.package}/lib/modules/smbk5pwd.so" ];
+        };
+
+        # NOTE: activation of smbk5pwd.so module for {1}mdb
+        "olcOverlay={0}smbk5pwd,olcDatabase={1}mdb".attrs = {
+          objectClass = [ "olcOverlayConfig" "olcSmbK5PwdConfig" ];
+          olcOverlay = "{0}smbk5pwd";
+          olcSmbK5PwdEnable = [ "krb5" "samba" ];
+          olcSmbK5PwdMustChange = toString (60 * 60 * 24 * 10000);
+        };
+
+        "olcDatabase={1}mdb".attrs = {
+          objectClass = [ "olcDatabaseConfig" "olcMdbConfig" ];
+
+          olcDatabase = "{1}mdb";
+
+          olcSuffix = dn;
+
+          # TODO: PW is supposed to be a secret, but it's probably fine for testing
+          olcRootDN = "cn=users,${dn}";
+
+          # TODO: replace with proper secret
+          olcRootPW.path = pkgs.writeText "olcRootPW" "pass";
+
+          olcDbDirectory = "/var/lib/openldap/test-smbk5pwd-db";
+          olcDbIndex = "objectClass eq";
+
+          olcAccess = [
+            ''{0}to attrs=userPassword,shadowLastChange
+                by dn.exact=cn=users,${dn} write
+                by self write
+                by anonymous auth
+                by * none''
+
+            ''{1}to dn.base=""
+                by * read''
+
+            /* allow read on anything else */
+            # ''{2}to *
+            #     by cn=users,${dn} write by dn.exact=gidNumber=0+uidNumber=0+cn=peercred,cn=external write
+            #     by * read''
+          ];
+        };
+      };
+    };
+  };
+}

hosts/georg/configuration.nix

@@ -8,24 +8,11 @@
       (fp /modules/grzegorz.nix)
     ];
 
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "georg";
-
   systemd.network.networks."30-eno1" = values.defaultNetworkConfig // {
     matchConfig.Name = "eno1";
     address = with values.hosts.georg; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # List services that you want to enable:
-
-
-
   services.spotifyd = {
     enable = true;
     settings.global = {
@@ -41,15 +28,9 @@
     5353 # spotifyd is its own mDNS service wtf
   ];
 
+  fonts.fontconfig.enable = true;
 
-
+  # Don't change (even during upgrades) unless you know what you are doing.
-
+  # See https://search.nixos.org/options?show=system.stateVersion
-  # This value determines the NixOS release from which the default
+  system.stateVersion = "25.11";
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It's perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
-
 }

hosts/gluttony/configuration.nix

@@ -7,19 +7,25 @@
 {
   imports = [
     ./hardware-configuration.nix
+    ./services/bluemap.nix
     (fp /base)
   ];
 
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
   systemd.network.enable = lib.mkForce false;
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
+  boot.loader = {
+    systemd-boot.enable = false; # no uefi support on this device
+    grub.device = "/dev/sda";
+    grub.enable = true;
+  };
+  boot.tmp.cleanOnBoot = true;
+
   networking =
     let
       hostConf = values.hosts.gluttony;
     in
     {
-      hostName = "gluttony";
       tempAddresses = "disabled";
       useDHCP = false;
 
@@ -47,5 +53,9 @@
       };
     };
 
-  system.stateVersion = "25.11"; # Don't change unless you know what you are doing.
+  services.qemuGuest.enable = true;
+
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "25.11";
 }

hosts/gluttony/hardware-configuration.nix

@@ -22,7 +22,7 @@
     "sd_mod"
   ];
   boot.initrd.kernelModules = [ "dm-snapshot" ];
-  boot.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
   fileSystems."/" = {
@@ -31,7 +31,7 @@
   };
 
   fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/D00A-B488";
+    device = "/dev/disk/by-uuid/BD97-FCA0";
     fsType = "vfat";
     options = [
       "fmask=0077"

hosts/gluttony/services/bluemap.nix

@@ -0,0 +1,113 @@
+{ config, lib, pkgs, inputs, ... }:
+let
+  vanillaSurvival = "/var/lib/bluemap/vanilla_survival_world";
+in {
+  # NOTE: our version of the module gets added in flake.nix
+  disabledModules = [ "services/web-apps/bluemap.nix" ];
+
+  sops.secrets."bluemap/ssh-key" = { };
+  sops.secrets."bluemap/ssh-known-hosts" = { };
+
+  services.bluemap = {
+    enable = true;
+
+    eula = true;
+    onCalendar = "*-*-* 05:45:00"; # a little over an hour after auto-upgrade
+
+    enableNginx = false;
+
+    host = "minecraft.pvv.ntnu.no";
+
+    maps = let
+      inherit (inputs.minecraft-kartverket.packages.${pkgs.stdenv.hostPlatform.system}) bluemap-export;
+    in {
+      "verden" = {
+        extraHoconMarkersFile = "${bluemap-export}/overworld.hocon";
+        settings = {
+          world = vanillaSurvival;
+          dimension = "minecraft:overworld";
+          name = "Verden";
+          sorting = 0;
+          start-pos = {
+            x = 0;
+            z = 0;
+          };
+          ambient-light = 0.1;
+          cave-detection-ocean-floor = -5;
+        };
+      };
+      "underverden" = {
+        extraHoconMarkersFile = "${bluemap-export}/nether.hocon";
+        settings = {
+          world = vanillaSurvival;
+          dimension = "minecraft:the_nether";
+          name = "Underverden";
+          sorting = 100;
+          start-pos = {
+            x = 0;
+            z = 0;
+          };
+          sky-color = "#290000";
+          void-color = "#150000";
+          sky-light = 1;
+          ambient-light = 0.6;
+          remove-caves-below-y = -10000;
+          cave-detection-ocean-floor = -5;
+          cave-detection-uses-block-light = true;
+          render-mask = [{
+            max-y = 90;
+          }];
+        };
+      };
+      "enden" = {
+        extraHoconMarkersFile = "${bluemap-export}/the-end.hocon";
+        settings = {
+          world = vanillaSurvival;
+          dimension = "minecraft:the_end";
+          name = "Enden";
+          sorting = 200;
+          start-pos = {
+            x = 0;
+            z = 0;
+          };
+          sky-color = "#080010";
+          void-color = "#080010";
+          sky-light = 1;
+          ambient-light = 0.6;
+          remove-caves-below-y = -10000;
+          cave-detection-ocean-floor = -5;
+        };
+      };
+    };
+  };
+
+  systemd.services."render-bluemap-maps" = {
+    serviceConfig = {
+      StateDirectory = [ "bluemap/world" ];
+      ExecStartPre = let
+        rsyncArgs = lib.cli.toCommandLineShellGNU { } {
+          archive = true;
+          compress = true;
+          verbose = true;
+          no-owner = true;
+          no-group = true;
+          rsh = "${pkgs.openssh}/bin/ssh -o UserKnownHostsFile=%d/ssh-known-hosts -i %d/sshkey";
+        };
+      in "${lib.getExe pkgs.rsync} ${rsyncArgs} root@innovation.pvv.ntnu.no:/ ${vanillaSurvival}";
+      ExecStartPost = let
+        rsyncArgs = lib.cli.toCommandLineShellGNU { } {
+          archive = true;
+          compress = true;
+          verbose = true;
+          no-owner = true;
+          no-group = true;
+          rsh = "${pkgs.openssh}/bin/ssh -o UserKnownHostsFile=%d/ssh-known-hosts -i %d/sshkey";
+        };
+      in "${lib.getExe pkgs.rsync} ${rsyncArgs} --groupmap=root:nginx ${config.services.bluemap.webRoot}/ root@bekkalokk.pvv.ntnu.no:/";
+      LoadCredential = [
+        "sshkey:${config.sops.secrets."bluemap/ssh-key".path}"
+        "ssh-known-hosts:${config.sops.secrets."bluemap/ssh-known-hosts".path}"
+      ];
+    };
+  };
+}

hosts/ildkule/configuration.nix

@@ -1,8 +1,14 @@
-{ config, fp, pkgs, lib, values, ... }:
 {
+  config,
+  fp,
+  pkgs,
+  lib,
+  values,
+  ...
+}: {
   imports = [
-      # Include the results of the hardware scan.
     ./hardware-configuration.nix
+    ./disks.nix
     (fp /base)
 
     ./services/monitoring
@@ -10,12 +16,8 @@
     ./services/journald-remote.nix
   ];
 
-  sops.defaultSopsFile = fp /secrets/ildkule/ildkule.yaml;
+  boot.loader.grub.enable = true;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
+  boot.loader.systemd-boot.enable = lib.mkForce false;
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.grub.device = "/dev/vda";
   boot.tmp.cleanOnBoot = true;
   zramSwap.enable = true;
 
@@ -24,7 +26,6 @@
   networking = let
     hostConf = values.hosts.ildkule;
   in {
-    hostName = "ildkule";
     tempAddresses = "disabled";
     useDHCP = lib.mkForce true;
 
@@ -32,24 +33,29 @@
     nameservers = values.defaultNetworkConfig.dns;
     defaultGateway.address = hostConf.ipv4_internal_gw;
 
-    interfaces."ens4" = {
+    interfaces."ens3" = {
       ipv4.addresses = [
-        { address = hostConf.ipv4;          prefixLength = 32; }
+        {
-        { address = hostConf.ipv4_internal; prefixLength = 24; }
+          address = hostConf.ipv4;
+          prefixLength = 32;
+        }
+        {
+          address = hostConf.ipv4_internal;
+          prefixLength = 24;
+        }
       ];
       ipv6.addresses = [
-        { address = hostConf.ipv6;          prefixLength = 64; }
+        {
+          address = hostConf.ipv6;
+          prefixLength = 64;
+        }
       ];
     };
   };
 
-  # List packages installed in system profile
+  services.qemuGuest.enable = true;
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # No devices with SMART
-  services.smartd.enable = false;
-
-  system.stateVersion = "23.11"; # Did you read the comment?
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "23.11";
 }

hosts/ildkule/disks.nix

@@ -0,0 +1,27 @@
+{
+  disko.devices = {
+    disk = {
+      sda = {
+        device = "/dev/sda";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            bios = {
+              size = "1M";
+              type = "EF02";
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/ildkule/hardware-configuration.nix

@@ -1,16 +1,24 @@
-{ modulesPath, lib, ... }:
+# Do not modify this file!  It was generated by 'nixos-generate-config'
-{
+# and may be overwritten by future invocations.  Please make changes
-  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+# to /etc/nixos/configuration.nix instead.
-  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
+{ config, lib, pkgs, modulesPath, ... }:
-  boot.initrd.kernelModules = [ "nvme" ];
-  fileSystems."/" = {
-    device = "/dev/disk/by-uuid/e35eb4ce-aac3-4f91-8383-6e7cd8bbf942";
-    fsType = "ext4";
-  };
-  fileSystems."/data" = {
-    device = "/dev/disk/by-uuid/0a4c1234-02d3-4b53-aeca-d95c4c8d534b";
-    fsType = "ext4";
-  };
 
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.ens3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 }

hosts/ildkule/services/monitoring/dashboards/mysql.json

@@ -13,7 +13,7 @@
     ]
   },
   "description": "",
-  "editable": true,
+  "editable": false,
   "gnetId": 11323,
   "graphTooltip": 1,
   "id": 31,
@@ -1899,7 +1899,7 @@
       "dashes": false,
       "datasource": "$datasource",
       "decimals": 0,
-      "description": "***System Memory***: Total Memory for the system.\\\n***InnoDB Buffer Pool Data***: InnoDB maintains a storage area called the buffer pool for caching data and indexes in memory.\\\n***TokuDB Cache Size***: Similar in function to the InnoDB Buffer Pool,  TokuDB will allocate 50% of the installed RAM for its own cache.\\\n***Key Buffer Size***: Index blocks for MYISAM tables are buffered and are shared by all threads. key_buffer_size is the size of the buffer used for index blocks.\\\n***Adaptive Hash Index Size***: When InnoDB notices that some index values are being accessed very frequently, it builds a hash index for them in memory on top of B-Tree indexes.\\\n ***Query Cache Size***: The query cache stores the text of a SELECT statement together with the corresponding result that was sent to the client. The query cache has huge scalability problems in that only one thread can do an operation in the query cache at the same time.\\\n***InnoDB Dictionary Size***: The data dictionary is InnoDB 's internal catalog of tables. InnoDB stores the data dictionary on disk, and loads entries into memory while the server is running.\\\n***InnoDB Log Buffer Size***: The MySQL InnoDB log buffer allows transactions to run without having to write the log to disk before the transactions commit.",
+      "description": "***System Memory***: Total Memory for the system.\\\n***InnoDB Buffer Pool Data***: InnoDB maintains a storage area called the buffer pool for caching data and indexes in memory.\\\n***TokuDB Cache Size***: Similar in function to the InnoDB Buffer Pool,  TokuDB will allocate 50% of the installed RAM for its own cache.\\\n***Key Buffer Size***: Index blocks for MYISAM tables are buffered and are shared by all threads. key_buffer_size is the size of the buffer used for index blocks.\\\n***Adaptive Hash Index Size***: When InnoDB notices that some index values are being accessed very frequently, it builds a hash index for them in memory on top of B-Tree indexes.\\\n ***Query Cache Size***: The query cache stores the text of a SELECT statement together with the corresponding result that was sent to the client. The query cache has huge scalability problems in that only one thread can do an operation in the query cache at the same time.\\\n***InnoDB Dictionary Size***: The data dictionary is InnoDB ‘s internal catalog of tables. InnoDB stores the data dictionary on disk, and loads entries into memory while the server is running.\\\n***InnoDB Log Buffer Size***: The MySQL InnoDB log buffer allows transactions to run without having to write the log to disk before the transactions commit.",
       "editable": true,
       "error": false,
       "fieldConfig": {
@@ -3690,7 +3690,7 @@
         },
         "hide": 0,
         "includeAll": false,
-        "label": "Data Source",
+        "label": "Data source",
         "multi": false,
         "name": "datasource",
         "options": [],
@@ -3713,12 +3713,12 @@
         "definition": "label_values(mysql_up, job)",
         "hide": 0,
         "includeAll": true,
-        "label": "job",
+        "label": "Job",
         "multi": true,
         "name": "job",
         "options": [],
         "query": "label_values(mysql_up, job)",
-        "refresh": 1,
+        "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 0,
@@ -3742,12 +3742,12 @@
         "definition": "label_values(mysql_up, instance)",
         "hide": 0,
         "includeAll": true,
-        "label": "instance",
+        "label": "Instance",
         "multi": true,
         "name": "instance",
         "options": [],
         "query": "label_values(mysql_up, instance)",
-        "refresh": 1,
+        "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 0,

hosts/ildkule/services/monitoring/dashboards/postgres.json

@@ -328,7 +328,7 @@
         "rgba(50, 172, 45, 0.97)"
       ],
       "datasource": "${DS_PROMETHEUS}",
-      "format": "decbytes",
+      "format": "short",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -411,7 +411,7 @@
         "rgba(50, 172, 45, 0.97)"
       ],
       "datasource": "${DS_PROMETHEUS}",
-      "format": "decbytes",
+      "format": "short",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -1410,7 +1410,7 @@
       "tableColumn": "",
       "targets": [
         {
-          "expr": "pg_settings_seq_page_cost",
+          "expr": "pg_settings_seq_page_cost{instance=\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 1,
           "refId": "A"
@@ -1872,7 +1872,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -1966,7 +1966,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2060,7 +2060,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2251,7 +2251,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2439,7 +2439,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2589,35 +2589,35 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_backend{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_backend_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_backend",
           "refId": "A"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_alloc{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_alloc_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_alloc",
           "refId": "B"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_backend_fsync{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_backend_fsync_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "backend_fsync",
           "refId": "C"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_checkpoint{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_checkpoint_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_checkpoint",
           "refId": "D"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_clean{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_clean_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_clean",
@@ -2886,14 +2886,14 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "irate(pg_stat_bgwriter_checkpoint_write_time{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_checkpoint_write_time_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "write_time - Total amount of time that has been spent in the portion of checkpoint processing where files are written to disk.",
           "refId": "B"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_checkpoint_sync_time{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_checkpoint_sync_time_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "sync_time - Total amount of time that has been spent in the portion of checkpoint processing where files are synchronized to disk.",

hosts/ildkule/services/monitoring/grafana.nix

@@ -47,13 +47,13 @@ in {
         {
           name = "Node Exporter Full";
           type = "file";
-          url = "https://grafana.com/api/dashboards/1860/revisions/29/download";
+          url = "https://grafana.com/api/dashboards/1860/revisions/42/download";
           options.path = dashboards/node-exporter-full.json;
         }
         {
           name = "Matrix Synapse";
           type = "file";
-          url = "https://raw.githubusercontent.com/matrix-org/synapse/develop/contrib/grafana/synapse.json";
+          url = "https://github.com/element-hq/synapse/raw/refs/heads/develop/contrib/grafana/synapse.json";
           options.path = dashboards/synapse.json;
         }
         {
@@ -65,15 +65,9 @@ in {
         {
           name = "Postgresql";
           type = "file";
-          url = "https://grafana.com/api/dashboards/9628/revisions/7/download";
+          url = "https://grafana.com/api/dashboards/9628/revisions/8/download";
           options.path = dashboards/postgres.json;
         }
-        {
-          name = "Go Processes (gogs)";
-          type = "file";
-          url = "https://grafana.com/api/dashboards/240/revisions/3/download";
-          options.path = dashboards/go-processes.json;
-        }
         {
           name = "Gitea Dashboard";
           type = "file";

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

@@ -21,6 +21,7 @@ in {
 
   fileSystems."/var/lib/prometheus2" = {
     device = stateDir;
+    fsType = "bind";
     options = [ "bind" ];
   };
 }

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

@@ -19,15 +19,15 @@ in {
       (mkHostScrapeConfig "bicep" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "brzeczyszczykiewicz" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "georg" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "gluttony" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "kommode" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-      (mkHostScrapeConfig "ustetind" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-      (mkHostScrapeConfig "wenche" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-
       (mkHostScrapeConfig "lupine-1" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
-      # (mkHostScrapeConfig "lupine-2" [ defaultNodeExporterPort defaultSystemdExporterPort ])
+      (mkHostScrapeConfig "lupine-2" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "lupine-3" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "lupine-4" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
       (mkHostScrapeConfig "lupine-5" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "temmie" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
+      (mkHostScrapeConfig "wenche" [ defaultNodeExporterPort defaultSystemdExporterPort defaultNixosExporterPort ])
 
       (mkHostScrapeConfig "hildring" [ defaultNodeExporterPort ])
       (mkHostScrapeConfig "isvegg" [ defaultNodeExporterPort ])

hosts/ildkule/services/monitoring/uptime-kuma.nix

@@ -19,8 +19,9 @@ in {
     locations."/".proxyPass = "http://${cfg.settings.HOST}:${cfg.settings.PORT}";
   };
 
-  fileSystems."/var/lib/uptime-kuma" = {
+  fileSystems."/var/lib/private/uptime-kuma" = {
     device = stateDir;
+    fsType = "bind";
     options = [ "bind" ];
   };
 }

hosts/kommode/configuration.nix

@@ -4,21 +4,12 @@
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
     (fp /base)
+    ./disks.nix
 
     ./services/gitea
     ./services/nginx.nix
   ];
 
-  sops.defaultSopsFile = fp /secrets/kommode/kommode.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "kommode"; # Define your hostname.
-
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     matchConfig.Name = "ens18";
     address = with values.hosts.kommode; [ (ipv4 + "/25") (ipv6 + "/64") ];
@@ -26,7 +17,9 @@
 
   services.btrfs.autoScrub.enable = true;
 
-  environment.systemPackages = with pkgs; [];
+  services.qemuGuest.enable = true;
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
   system.stateVersion = "24.11";
 }

hosts/kommode/disks.nix

@@ -0,0 +1,80 @@
+{ lib, ... }:
+{
+  disko.devices = {
+    disk = {
+      sda = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            root = {
+              name = "root";
+              label = "root";
+              start = "1MiB";
+              end = "-5G";
+              content = {
+                type = "btrfs";
+                extraArgs = [ "-f" ]; # Override existing partition
+                # subvolumes = let
+                #   makeSnapshottable = subvolPath: mountOptions: let
+                #     name = lib.replaceString "/" "-" subvolPath;
+                #   in {
+                #     "@${name}/active" = {
+                #       mountpoint = subvolPath;
+                #       inherit mountOptions;
+                #     };
+                #     "@${name}/snapshots" = {
+                #       mountpoint = "${subvolPath}/.snapshots";
+                #       inherit mountOptions;
+                #     };
+                #   };
+                # in {
+                #   "@" = { };
+                #   "@/swap" = {
+                #     mountpoint = "/.swapvol";
+                #     swap.swapfile.size = "4G";
+                #   };
+                #   "@/root" = {
+                #     mountpoint = "/";
+                #     mountOptions = [ "compress=zstd" "noatime" ];
+                #   };
+                # }
+                # // (makeSnapshottable "/home" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/nix" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/var/lib" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/var/log" [ "compress=zstd" "noatime" ])
+                # // (makeSnapshottable "/var/cache" [ "compress=zstd" "noatime" ]);
+
+                # swap.swapfile.size = "4G";
+                mountpoint = "/";
+              };
+            };
+
+            swap = {
+              name = "swap";
+              label = "swap";
+              start = "-5G";
+              end = "-1G";
+              content.type = "swap";
+            };
+
+            ESP = {
+              name = "ESP";
+              label = "ESP";
+              start = "-1G";
+              end = "100%";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/kommode/hardware-configuration.nix

@@ -13,21 +13,6 @@
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/d421538f-a260-44ae-8e03-47cac369dcc1";
-      fsType = "btrfs";
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/86CD-4C23";
-      fsType = "vfat";
-      options = [ "fmask=0077" "dmask=0077" ];
-    };
-
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/4cfbb41e-801f-40dd-8c58-0a0c1a6025f6"; }
-    ];
-
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
   # still possible to use this option, but it's recommended to use it in conjunction

hosts/kommode/services/gitea/customization/default.nix

@@ -10,6 +10,59 @@ in
     catppuccin = pkgs.gitea-theme-catppuccin;
   };
 
+  services.gitea.settings = {
+    ui = {
+      DEFAULT_THEME = "gitea-auto";
+      REACTIONS = lib.concatStringsSep "," [
+        "+1"
+        "-1"
+        "laugh"
+        "confused"
+        "heart"
+        "hooray"
+        "rocket"
+        "eyes"
+        "100"
+        "anger"
+        "astonished"
+        "no_good"
+        "ok_hand"
+        "pensive"
+        "pizza"
+        "point_up"
+        "sob"
+        "skull"
+        "upside_down_face"
+        "shrug"
+        "huh"
+        "bruh"
+        "okiedokie"
+        "grr"
+      ];
+
+      CUSTOM_EMOJIS = lib.concatStringsSep "," [
+        "bruh"
+        "grr"
+        "huh"
+        "ohyeah"
+      ];
+    };
+    "ui.meta" = {
+      AUTHOR = "Programvareverkstedet";
+      DESCRIPTION = "Bokstavelig talt programvareverkstedet";
+      KEYWORDS = lib.concatStringsSep "," [
+        "git"
+        "hackerspace"
+        "nix"
+        "open source"
+        "foss"
+        "organization"
+        "software"
+        "student"
+      ];
+    };
+  };
+
   systemd.services.gitea-customization = lib.mkIf cfg.enable {
     description = "Install extra customization in gitea's CUSTOM_DIR";
     wantedBy = [ "gitea.service" ];
@@ -46,18 +99,23 @@ in
         ];
       } ''
         # Bigger icons
-        install -Dm444 "${cfg.package.src}/templates/repo/icon.tmpl" "$out/repo/icon.tmpl"
+        install -Dm444 '${cfg.package.src}/templates/repo/icon.tmpl' "$out/repo/icon.tmpl"
         sed -i -e 's/24/60/g' "$out/repo/icon.tmpl"
       '';
     in ''
-      install -Dm444 ${logo-svg} ${cfg.customDir}/public/assets/img/logo.svg
+      install -Dm444 '${logo-svg}' '${cfg.customDir}/public/assets/img/logo.svg'
-      install -Dm444 ${logo-png} ${cfg.customDir}/public/assets/img/logo.png
+      install -Dm444 '${logo-png}' '${cfg.customDir}/public/assets/img/logo.png'
-      install -Dm444 ${./loading.apng} ${cfg.customDir}/public/assets/img/loading.png
+      install -Dm444 '${./loading.apng}' '${cfg.customDir}/public/assets/img/loading.png'
-      install -Dm444 ${extraLinks} ${cfg.customDir}/templates/custom/extra_links.tmpl
+      install -Dm444 '${extraLinks}' '${cfg.customDir}/templates/custom/extra_links.tmpl'
-      install -Dm444 ${extraLinksFooter} ${cfg.customDir}/templates/custom/extra_links_footer.tmpl
+      install -Dm444 '${extraLinksFooter}' '${cfg.customDir}/templates/custom/extra_links_footer.tmpl'
-      install -Dm444 ${project-labels} ${cfg.customDir}/options/label/project-labels.yaml
+      install -Dm444 '${project-labels}' '${cfg.customDir}/options/label/project-labels.yaml'
 
-      "${lib.getExe pkgs.rsync}" -a "${customTemplates}/" ${cfg.customDir}/templates/
+      install -Dm644 '${./emotes/bruh.png}' '${cfg.customDir}/public/assets/img/emoji/bruh.png'
+      install -Dm644 '${./emotes/huh.gif}' '${cfg.customDir}/public/assets/img/emoji/huh.png'
+      install -Dm644 '${./emotes/grr.png}' '${cfg.customDir}/public/assets/img/emoji/grr.png'
+      install -Dm644 '${./emotes/okiedokie.jpg}' '${cfg.customDir}/public/assets/img/emoji/okiedokie.png'
+
+      '${lib.getExe pkgs.rsync}' -a '${customTemplates}/' '${cfg.customDir}/templates/'
     '';
   };
 }

hosts/kommode/services/gitea/default.nix

@@ -83,11 +83,24 @@ in {
         AUTO_WATCH_NEW_REPOS = false;
       };
       admin.DEFAULT_EMAIL_NOTIFICATIONS = "onmention";
-      session.COOKIE_SECURE = true;
       security = {
         SECRET_KEY = lib.mkForce "";
         SECRET_KEY_URI = "file:${config.sops.secrets."gitea/secret-key".path}";
       };
+      cache = {
+        ADAPTER = "redis";
+        HOST = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=0";
+        ITEM_TTL = "72h";
+      };
+      session = {
+        COOKIE_SECURE = true;
+        PROVIDER = "redis";
+        PROVIDER_CONFIG = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=1";
+      };
+      queue = {
+        TYPE = "redis";
+        CONN_STR = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=2";
+      };
       database.LOG_SQL = false;
       repository = {
         PREFERRED_LICENSES = lib.concatStringsSep "," [
@@ -118,41 +131,14 @@ in {
           "repo.pulls"
           "repo.releases"
         ];
+        ALLOW_FORK_INTO_SAME_OWNER = true;
       };
       picture = {
-        DISABLE_GRAVATAR = true;
-        ENABLE_FEDERATED_AVATAR = false;
-
         AVATAR_MAX_FILE_SIZE = 1024 * 1024 * 5;
         # NOTE: go any bigger than this, and gitea will freeze your gif >:(
         AVATAR_MAX_ORIGIN_SIZE = 1024 * 1024 * 2;
       };
       actions.ENABLED = true;
-      ui = {
-        REACTIONS = lib.concatStringsSep "," [
-          "+1"
-          "-1"
-          "laugh"
-          "confused"
-          "heart"
-          "hooray"
-          "rocket"
-          "eyes"
-          "100"
-          "anger"
-          "astonished"
-          "no_good"
-          "ok_hand"
-          "pensive"
-          "pizza"
-          "point_up"
-          "sob"
-          "skull"
-          "upside_down_face"
-          "shrug"
-        ];
-      };
-      "ui.meta".DESCRIPTION = "Bokstavelig talt programvareverkstedet";
     };
 
     dump = {
@@ -164,12 +150,26 @@ in {
 
   environment.systemPackages = [ cfg.package ];
 
-  systemd.services.gitea.serviceConfig.CPUSchedulingPolicy = "batch";
+  systemd.services.gitea = lib.mkIf cfg.enable {
+    wants = [ "redis-gitea.service" ];
+    after = [ "redis-gitea.service" ];
 
-  systemd.services.gitea.serviceConfig.CacheDirectory = "gitea/repo-archive";
+    serviceConfig = {
-  systemd.services.gitea.serviceConfig.BindPaths = [
+      CPUSchedulingPolicy = "batch";
+      CacheDirectory = "gitea/repo-archive";
+      BindPaths = [
         "%C/gitea/repo-archive:${cfg.stateDir}/data/repo-archive"
       ];
+    };
+  };
+
+  services.redis.servers.gitea = lib.mkIf cfg.enable {
+    enable = true;
+    user = config.services.gitea.user;
+    save = [ ];
+    openFirewall = false;
+    port = 5698;
+  };
 
   services.nginx.virtualHosts."${domain}" = {
     forceSSL = true;
@@ -195,9 +195,26 @@ in {
 
   networking.firewall.allowedTCPPorts = [ sshPort ];
 
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.dump.backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGpMVrOppyqYaDiAhqmAuOaRsubFvcQGBGyz+NHB6+0o gitea rsync backup";
+    };
+  };
+
   systemd.services.gitea-dump = {
     serviceConfig.ExecStart = let
-      args = lib.cli.toGNUCommandLineShell { } {
+      args = lib.cli.toCommandLineShellGNU { } {
         type = cfg.dump.type;
 
         # This should be declarative on nixos, no need to backup.
@@ -209,16 +226,11 @@ in {
         # Logs are stored in the systemd journal
         skip-log = true;
       };
-    in lib.mkForce "${lib.getExe cfg.package} ${args}";
+    in lib.mkForce "${lib.getExe cfg.package} dump ${args}";
 
-    # Only keep n backup files at a time
+    # Only keep a single backup file at a time.
-    postStop = let
+    postStop = ''
-      cu = prog: "'${lib.getExe' pkgs.coreutils prog}'";
+      ${lib.getExe' pkgs.coreutils "mv"} '${cfg.dump.backupDir}'/gitea-dump-*.tar.gz gitea-dump.tar.gz
-      backupCount = 3;
-    in ''
-      for file in $(${cu "ls"} -t1 '${cfg.dump.backupDir}' | ${cu "sort"} --reverse | ${cu "tail"} -n+${toString (backupCount + 1)}); do
-        ${cu "rm"} "$file"
-      done
     '';
   };
 }

hosts/kommode/services/gitea/web-secret-provider/default.nix

@@ -28,7 +28,7 @@ in
   users.users."gitea-web" = {
     group = "gitea-web";
     isSystemUser = true;
-    shell = pkgs.bash;
+    useDefaultShell = true;
   };
 
   sops.secrets."gitea/web-secret-provider/token" = {
@@ -53,7 +53,7 @@ in
       Slice = "system-giteaweb.slice";
       Type = "oneshot";
       ExecStart = let
-        args = lib.cli.toGNUCommandLineShell { } {
+        args = lib.cli.toCommandLineShellGNU { } {
           org = "%i";
           token-path = "%d/token";
           api-url = "${giteaCfg.settings.server.ROOT_URL}api/v1";

hosts/lupine/configuration.nix

@@ -1,20 +1,13 @@
-{ fp, values, lupineName, ... }:
+{ fp, values, lib, lupineName, ... }:
 {
   imports = [
     ./hardware-configuration/${lupineName}.nix
 
     (fp /base)
-
     ./services/gitea-runner.nix
   ];
 
   sops.defaultSopsFile = fp /secrets/lupine/lupine.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
 
   systemd.network.networks."30-enp0s31f6" = values.defaultNetworkConfig // {
     matchConfig.Name = "enp0s31f6";
@@ -28,7 +21,7 @@
   # There are no smart devices
   services.smartd.enable = false;
 
-  # Do not change, even during upgrades.
+  # Don't change (even during upgrades) unless you know what you are doing.
   # See https://search.nixos.org/options?show=system.stateVersion
   system.stateVersion = "25.05";
 }

hosts/lupine/hardware-configuration/lupine-1.nix

@@ -14,27 +14,28 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/a949e2e8-d973-4925-83e4-bcd815e65af7";
+    { device = "/dev/disk/by-uuid/e88adbb7-de01-4f9b-b338-fffed743c259";
-      fsType = "ext4";
+      fsType = "btrfs";
+      options = [ "subvol=@root" "compress=zstd" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/e88adbb7-de01-4f9b-b338-fffed743c259";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "compress=zstd" "noatime" ];
     };
 
   fileSystems."/boot" =
     { device = "/dev/disk/by-uuid/81D6-38D3";
       fsType = "vfat";
-      options = [ "fmask=0077" "dmask=0077" ];
+      options = [ "fmask=0022" "dmask=0022" ];
     };
 
   swapDevices =
     [ { device = "/dev/disk/by-uuid/82c2d7fa-7cd0-4398-8cf6-c892bc56264b"; }
     ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
+

hosts/lupine/hardware-configuration/lupine-2.nix

@@ -14,27 +14,27 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/aa81d439-800b-403d-ac10-9d2aac3619d0";
+    { device = "/dev/disk/by-uuid/ab2e1a13-8e95-48d8-970c-64fa2fab52d0";
-      fsType = "ext4";
+      fsType = "btrfs";
+      options = [ "subvol=@root" "compress=zstd" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/ab2e1a13-8e95-48d8-970c-64fa2fab52d0";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "noatime" "compress=zstd" ];
     };
 
   fileSystems."/boot" =
     { device = "/dev/disk/by-uuid/4A34-6AE5";
       fsType = "vfat";
-      options = [ "fmask=0077" "dmask=0077" ];
+      options = [ "fmask=0022" "dmask=0022" ];
     };
 
   swapDevices =
     [ { device = "/dev/disk/by-uuid/efb7cd0c-c1ae-4a86-8bc2-8e7fd0066650"; }
     ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }

hosts/lupine/hardware-configuration/lupine-3.nix

@@ -14,27 +14,28 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/39ba059b-3205-4701-a832-e72c0122cb88";
+    { device = "/dev/disk/by-uuid/0a5bda7c-af55-4d3d-9135-7f7cbb78004d";
-      fsType = "ext4";
+      fsType = "btrfs";
+      options = [ "subvol=@root" "compress=zstd" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/0a5bda7c-af55-4d3d-9135-7f7cbb78004d";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "noatime" "compress=zstd" ];
     };
 
   fileSystems."/boot" =
     { device = "/dev/disk/by-uuid/63FA-297B";
       fsType = "vfat";
-      options = [ "fmask=0077" "dmask=0077" ];
+      options = [ "fmask=0022" "dmask=0022" ];
     };
 
   swapDevices =
     [ { device = "/dev/disk/by-uuid/9c72eb54-ea8c-4b09-808a-8be9b9a33869"; }
     ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }
+

hosts/lupine/hardware-configuration/lupine-4.nix

@@ -14,21 +14,27 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/c7bbb293-a0a3-4995-8892-0ec63e8c67dd";
+    { device = "/dev/disk/by-uuid/fcd51970-f040-4c45-94cf-2b372d4599a2";
-      fsType = "ext4";
+      fsType = "btrfs";
+      options = [ "subvol=@root" "compress=zstd" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/fcd51970-f040-4c45-94cf-2b372d4599a2";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "noatime" "compress=zstd" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/A22E-E41A";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
     };
 
   swapDevices =
     [ { device = "/dev/disk/by-uuid/a86ffda8-8ecb-42a1-bf9f-926072e90ca5"; }
     ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }

hosts/lupine/hardware-configuration/lupine-5.nix

@@ -14,27 +14,27 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/5f8418ad-8ec1-4f9e-939e-f3a4c36ef343";
+    { device = "/dev/disk/by-uuid/85830e14-e2c8-4f04-95fa-d6ab22840bc7";
-      fsType = "ext4";
+      fsType = "btrfs";
+      options = [ "subvol=@root" "compress=zstd" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/85830e14-e2c8-4f04-95fa-d6ab22840bc7";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "noatime" "compress=zstd" ];
     };
 
   fileSystems."/boot" =
     { device = "/dev/disk/by-uuid/F372-37DF";
       fsType = "vfat";
-      options = [ "fmask=0077" "dmask=0077" ];
+      options = [ "fmask=0022" "dmask=0022" ];
     };
 
   swapDevices =
     [ { device = "/dev/disk/by-uuid/27bf292d-bbb3-48c4-a86e-456e0f1f648f"; }
     ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }

hosts/lupine/services/gitea-runner.nix

@@ -39,17 +39,22 @@
         "debian-bullseye-slim:docker://node:current-bullseye-slim"
 
         "alpine-latest:docker://node:current-alpine"
+        "alpine-3.23:docker://node:current-alpine3.23"
         "alpine-3.22:docker://node:current-alpine3.22"
         "alpine-3.21:docker://node:current-alpine3.21"
 
         # See https://gitea.com/gitea/runner-images
         "ubuntu-latest:docker://docker.gitea.com/runner-images:ubuntu-latest"
+        "ubuntu-26.04:docker://docker.gitea.com/runner-images:ubuntu-26.04"
+        "ubuntu-resolute:docker://docker.gitea.com/runner-images:ubuntu-26.04"
         "ubuntu-24.04:docker://docker.gitea.com/runner-images:ubuntu-24.04"
         "ubuntu-noble:docker://docker.gitea.com/runner-images:ubuntu-24.04"
         "ubuntu-22.04:docker://docker.gitea.com/runner-images:ubuntu-22.04"
         "ubuntu-jammy:docker://docker.gitea.com/runner-images:ubuntu-22.04"
 
         "ubuntu-latest-slim:docker://docker.gitea.com/runner-images:ubuntu-latest-slim"
+        "ubuntu-26.04-slim:docker://docker.gitea.com/runner-images:ubuntu-26.04-slim"
+        "ubuntu-resolute-slim:docker://docker.gitea.com/runner-images:ubuntu-26.04-slim"
         "ubuntu-24.04-slim:docker://docker.gitea.com/runner-images:ubuntu-24.04-slim"
         "ubuntu-noble-slim:docker://docker.gitea.com/runner-images:ubuntu-24.04-slim"
         "ubuntu-22.04-slim:docker://docker.gitea.com/runner-images:ubuntu-22.04-slim"

hosts/shark/configuration.nix

@@ -6,33 +6,14 @@
       (fp /base)
     ];
 
-  sops.defaultSopsFile = fp /secrets/shark/shark.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "shark"; # Define your hostname.
-
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     matchConfig.Name = "ens18";
     address = with values.hosts.shark; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
+  services.qemuGuest.enable = true;
-  environment.systemPackages = with pkgs; [
-  ];
-
-  # List services that you want to enable:
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It's perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
 
+  # Don't change (even during upgrades) unless you know what you are doing.
+  # See https://search.nixos.org/options?show=system.stateVersion
+  system.stateVersion = "25.11";
 }

hosts/skrot/configuration.nix

@@ -0,0 +1,63 @@
+{
+  fp,
+  lib,
+  config,
+  values,
+  ...
+}:
+
+{
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    ./disk-config.nix
+    (fp /base)
+  ];
+
+  boot.consoleLogLevel = 0;
+
+  sops.defaultSopsFile = fp /secrets/skrot/skrot.yaml;
+
+  systemd.network.networks."enp2s0" = values.defaultNetworkConfig // {
+    matchConfig.Name = "enp2s0";
+    address = with values.hosts.skrot; [
+      (ipv4 + "/25")
+      (ipv6 + "/64")
+    ];
+  };
+
+  sops.secrets = {
+    "dibbler/postgresql/password" = {
+      owner = "dibbler";
+      group = "dibbler";
+    };
+  };
+
+  services.dibbler = {
+    enable = true;
+    kioskMode = true;
+    limitScreenWidth = 80;
+    limitScreenHeight = 42;
+
+    settings = {
+      general.quit_allowed = false;
+      database = {
+        type = "postgresql";
+        postgresql = {
+          username = "pvv_vv";
+          dbname = "pvv_vv";
+          host = "postgres.pvv.ntnu.no";
+          password_file = config.sops.secrets."dibbler/postgresql/password".path;
+        };
+      };
+    };
+  };
+
+  systemd.services."serial-getty@ttyUSB0" = lib.mkIf (!config.virtualisation.isVmVariant) {
+    enable = true;
+    wantedBy = [ "getty.target" ]; # to start at boot
+    serviceConfig.Restart = "always"; # restart when session is closed
+  };
+
+  system.stateVersion = "25.11"; # Did you read the comment? Nah bro
+}

hosts/skrot/disk-config.nix

@@ -0,0 +1,41 @@
+{
+  disko.devices = {
+    disk = {
+      main = {
+        device = "/dev/sda";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              type = "EF00";
+              size = "1G";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            plainSwap = {
+              size = "8G";
+              content = {
+                type = "swap";
+                discardPolicy = "both";
+                resumeDevice = false;
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/skrot/hardware-configuration.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/skrott/configuration.nix

@@ -1,73 +0,0 @@
-{ config, pkgs, lib, fp, ... }: {
-  imports = [
-    # ./hardware-configuration.nix
-
-    (fp /base)
-  ];
-
-  boot = {
-    consoleLogLevel = 0;
-    enableContainers = false;
-    loader.grub.enable = false;
-    kernelPackages = pkgs.linuxPackages;
-  };
-
-  # Now turn off a bunch of stuff lol
-  system.autoUpgrade.enable = lib.mkForce false;
-  services.irqbalance.enable = lib.mkForce false;
-  services.logrotate.enable = lib.mkForce false;
-  services.nginx.enable = lib.mkForce false;
-  services.postfix.enable = lib.mkForce false;
-
-  # TODO: can we reduce further?
-
-  system.stateVersion = "25.05";
-
-  sops.defaultSopsFile = fp /secrets/skrott/skrott.yaml;
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  sops.age.generateKey = true;
-
-  sops.secrets = {
-    "dibbler/postgresql/url" = {
-      owner = "dibbler";
-      group = "dibbler";
-    };
-  };
-
-  # zramSwap.enable = true;
-
-  networking = {
-    hostName = "skrot";
-    interfaces.eth0 = {
-      useDHCP = false;
-      ipv4.addresses = [{
-        address = "129.241.210.235";
-        prefixLength = 25;
-      }];
-    };
-  };
-
-  services.dibbler = {
-    enable = true;
-    kioskMode = true;
-    limitScreenWidth = 80;
-    limitScreenHeight = 42;
-
-    settings = {
-      general.quit_allowed = false;
-      database.url = config.sops.secrets."dibbler/postgresql/url".path;
-    };
-  };
-
-  # https://github.com/NixOS/nixpkgs/issues/84105
-  boot.kernelParams = [
-    "console=ttyUSB0,9600"
-    # "console=tty1" # Already part of the module
-  ];
-  systemd.services."serial-getty@ttyUSB0" = {
-    enable = true;
-    wantedBy = [ "getty.target" ]; # to start at boot
-    serviceConfig.Restart = "always"; # restart when session is closed
-  };
-}

hosts/temmie/configuration.nix

@@ -6,34 +6,19 @@
     (fp /base)
 
     ./services/nfs-mounts.nix
+    ./services/userweb
   ];
 
-  # sops.defaultSopsFile = fp /secrets/shark/shark.yaml;
-  # sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  # sops.age.keyFile = "/var/lib/sops-nix/key.txt";
-  # sops.age.generateKey = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "temmie"; # Define your hostname.
-
   systemd.network.networks."30-ens18" = values.defaultNetworkConfig // {
     matchConfig.Name = "ens18";
     address = with values.hosts.temmie; [ (ipv4 + "/25") (ipv6 + "/64") ];
   };
 
-  # List packages installed in system profile
+  services.nginx.enable = false;
-  environment.systemPackages = with pkgs; [
-  ];
 
-  # List services that you want to enable:
+  services.qemuGuest.enable = true;
 
-  # This value determines the NixOS release from which the default
+  # Don't change (even during upgrades) unless you know what you are doing.
-  # settings for stateful data, like file locations and database versions
+  # See https://search.nixos.org/options?show=system.stateVersion
-  # on your system were taken. It's perfectly fine and recommended to leave
+  system.stateVersion = "25.11";
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "25.11"; # Did you read the comment?
 }

hosts/temmie/services/nfs-mounts.nix

@@ -1,21 +1,57 @@
-{ pkgs, lib, ... }:
+{ lib, values, ... }:
-{
+let
-  fileSystems = let
   # See microbel:/etc/exports
-    shorthandAreas = lib.listToAttrs (map
+  letters = [ "a" "b" "c" "d" "h" "i" "j" "k" "l" "m" "z" ];
-      (l: lib.nameValuePair "/run/pvv-home-mounts/${l}" "homepvv${l}.pvv.ntnu.no:/export/home/pvv/${l}")
+in
-      [ "a" "b" "c" "d"  "h" "i" "j" "k" "l" "m" "z" ]);
+{
-  in { }
+  systemd.targets."pvv-homedirs" = {
-  //
+    description = "PVV Homedir Partitions";
-  (lib.mapAttrs (_: device: {
+  };
-    inherit device;
+
-    fsType = "nfs";
+  systemd.mounts = map (l: {
-    options = [
+    description = "PVV Homedir Partition ${l}";
+
+    before = [ "remote-fs.target" ];
+    wantedBy = [ "multi-user.target" ];
+    requiredBy = [ "pvv-homedirs.target" ];
+
+    type = "nfs";
+    what = "homepvv${l}.pvv.ntnu.no:/export/home/pvv/${l}";
+    where = "/run/pvv-home-mounts/${l}";
+
+    options = lib.concatStringsSep "," [
       "nfsvers=3"
-      "noauto"
+
+      # NOTE: this is a bit unfortunate. The address above seems to resolve to IPv6 sometimes,
+      #       and it doesn't seem possible to specify proto=tcp,tcp6, meaning we have to tell
+      #       NFS which exact address to use here, despite it being specified in the `what` attr :\
       "proto=tcp"
-      "x-systemd.automount"
+      "addr=${values.hosts.microbel.ipv4}"
-      "x-systemd.idle-timeout=300"
+      "mountproto=tcp"
+      "mounthost=${values.hosts.microbel.ipv4}"
+      "port=2049"
+
+      # NOTE: this is yet more unfortunate. When enabling locking, it will sometimes complain about connection failed.
+      #       dmesg(1) reveals that it has something to do with registering the lockdv1 RPC service (errno: 111), not
+      #       quite sure how to fix it. Living life on dangerous mode for now.
+      "nolock"
+
+      # Don't wait on every read/write
+      "async"
+
+      # Always keep mounted
+      "noauto"
+
+      # We don't want to update access time constantly
+      "noatime"
+
+      # No SUID/SGID, no special devices
+      "nosuid"
+      "nodev"
+
+      # TODO: are there cgi scripts that modify stuff in peoples homedirs?
+      # "ro"
+      "rw"
     ];
-  }) shorthandAreas);
+  }) letters;
 }