WIP: grevling/tuba: init

flake.nix

@@ -232,6 +232,20 @@
           ];
         };
 
+        grevling = stableNixosConfig "grevling" {
+          modules = [
+            ./hosts/grevling/configuration.nix
+            sops-nix.nixosModules.sops
+          ];
+        };
+
+        tuba = stableNixosConfig "grevling" {
+          modules = [
+            ./hosts/tuba/configuration.nix
+            sops-nix.nixosModules.sops
+          ];
+        };
+
         brzeczyszczykiewicz = stableNixosConfig "brzeczyszczykiewicz" {
           modules = [
             inputs.grzegorz-clients.nixosModules.grzegorz-webui

hosts/bicep/configuration.nix

@@ -7,7 +7,6 @@
     ./services/nginx
 
     ./services/calendar-bot.nix
-    ./services/garage.nix
     #./services/git-mirrors
     ./services/minecraft-heatmap.nix
     ./services/mysql

hosts/bicep/services/garage.nix

@@ -1,143 +0,0 @@
-{ config, lib, pkgs, ... }:
-let
-  cfg = config.services.garage;
-in
-{
-  sops.secrets = lib.mkIf cfg.enable {
-    "garage/rpc-secret" = {
-      owner = "garage";
-      group = "garage";
-      restartUnits = [ "garage.service" ];
-    };
-    "garage/admin-token" = {
-      owner = "garage";
-      group = "garage";
-      restartUnits = [ "garage.service" ];
-    };
-    "garage/metrics-token" = {
-      owner = "garage";
-      group = "garage";
-      restartUnits = [ "garage.service" ];
-    };
-  };
-
-  services.garage = {
-    enable = true;
-    package = pkgs.garage_2;
-    settings = {
-      data_dir = [
-        {
-          capacity = "50G";
-          path = "/var/lib/garage/data";
-        }
-      ];
-      metadata_dir = "/var/lib/garage/meta";
-      db_engine = "lmdb";
-      replication_factor = 1;
-
-      rpc_bind_addr = "[::]:3901";
-      rpc_secret_file = config.sops.secrets."garage/rpc-secret".path;
-
-      s3_api = {
-        s3_region = "eu-central";
-        api_bind_addr = "[::]:3900";
-        root_domain = ".garage.pvv.ntnu.no";
-      };
-
-      # s3_web = {
-      #   bind_addr = "[::]:3902";
-      #   root_domain = ".garage-web.pvv.ntnu.no";
-      #   index = "index.html";
-      # };
-
-      admin = {
-      #   api_bind_addr = "[::]:3903";
-        admin_token_file = config.sops.secrets."garage/admin-token".path;
-        metrics_token_file = config.sops.secrets."garage/metrics-token".path;
-      };
-    };
-  };
-
-  users = lib.mkIf cfg.enable {
-    users.garage = {
-      isSystemUser = true;
-      group = "garage";
-    };
-    groups.garage = { };
-  };
-
-  systemd.tmpfiles.settings."10-garage" = lib.mkIf cfg.enable {
-    "/data/garage/data".d = {
-      user = "garage";
-      group = "garage";
-      mode = "0770";
-    };
-    "/data/garage/meta".d = {
-      user = "garage";
-      group = "garage";
-      mode = "0770";
-    };
-  };
-
-  systemd.services.garage = lib.mkIf cfg.enable {
-    serviceConfig = {
-      DynamicUser = false;
-      User = "garage";
-      Group = "garage";
-
-      BindReadWritePaths = [
-        "/data/garage/data:/var/lib/garage/data"
-        "/data/garage/meta:/var/lib/garage/meta"
-      ];
-
-      LoadCredential = [
-        "rpc_secret_path:${config.sops.secrets."garage/rpc-secret".path}"
-        "admin_token_path:${config.sops.secrets."garage/admin-token".path}"
-        "metrics_token_path:${config.sops.secrets."garage/metrics-token".path}"
-      ];
-
-      Environment = [
-        "GARAGE_ALLOW_WORLD_READABLE_SECRETS=true"
-        "GARAGE_RPC_SECRET_FILE=%d/rpc_secret_path"
-        "GARAGE_ADMIN_TOKEN_FILE=%d/admin_token_path"
-        "GARAGE_METRICS_TOKEN_FILE=%d/metrics_token_path"
-      ];
-    };
-  };
-
-  services.nginx = lib.mkIf cfg.enable {
-    upstreams.s3_backend.servers = {
-      "[::1]:3900" = { };
-    };
-    # upstreams.web_backend.servers = {
-    #   "[::1]:3902" = { };
-    # };
-
-    virtualHosts."garage.pvv.ntnu.no" = {
-      serverAliases = [ "*.garage.pvv.ntnu.no" ];
-
-      enableACME = true;
-      # useACMEHost = "garage.pvv.ntnu.no";
-      forceSSL = true;
-
-      locations."/" = {
-        proxyPass = "http://s3_backend";
-        extraConfig = ''
-          client_max_body_size 64m;
-          proxy_max_temp_file_size 0;
-        '';
-      };
-    };
-
-    # virtualHosts."garage-web.pvv.ntnu.no" = {
-    #   serverAliases = [ "*.garage-web.pvv.ntnu.no" ];
-
-    #   useACMEHost = "garage-web.pvv.ntnu.no";
-    #   forceSSL = true;
-
-    #   locations."/" = {
-    #     proxyPass = "http://web_backend";
-    #   };
-    # };
-  };
-}

hosts/grevling/configuration.nix

@@ -0,0 +1,36 @@
+{ config, pkgs, values, ... }:
+{
+  imports = [
+      # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      ../../base.nix
+      ../../misc/metrics-exporters.nix
+
+      ./services/openvpn
+    ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "grevling";
+
+  # 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:
+
+  # 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?
+
+}

hosts/grevling/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# 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 = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/33825f0d-5a63-40fc-83db-bfa1ebb72ba0";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/145E-7362";
+      fsType = "vfat";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/7ed27e21-3247-44cd-8bcc-5d4a2efebf57"; }
+    ];
+
+  # 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.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp2s2.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/grevling/services/openvpn/default.nix

@@ -0,0 +1,77 @@
+{ pkgs, lib, values, ... }:
+{
+  services.openvpn.servers."ov-tunnel" = {
+    config = let
+      conf = {
+        # TODO: use aliases
+        local = "129.241.210.191";
+        port = 1194;
+        proto = "udp";
+        dev = "tap";
+
+        # TODO: set up
+        ca = "";
+        cert = "";
+        key = "";
+        dh = "";
+
+        # Maintain a record of client <-> virtual IP address
+        # associations in this file.  If OpenVPN goes down or
+        # is restarted, reconnecting clients can be assigned
+        # the same virtual IP address from the pool that was
+        # previously assigned.
+        ifconfig-pool-persist = ./ipp.txt;
+
+        server-bridge = builtins.concatStringsSep " " [
+          "129.241.210.129"
+          "255.255.255.128"
+          "129.241.210.253"
+          "129.241.210.254"
+        ];
+
+        keepalive = "10 120";
+        cipher = "none";
+
+        user = "nobody";
+        group = "nobody";
+
+        status = "/var/log/openvpn-status.log";
+
+        client-config-dir = pkgs.writeTextDir "tuba" ''
+          # Sett IP-adr. for tap0 til tubas PVV-adr.
+          ifconfig-push ${values.services.tuba-tap} 255.255.255.128
+          # Hvordan skal man faa dette til aa funke, tro?
+          #ifconfig-ipv6-push 2001:700:300:1900::xxx/64
+          
+          # La tuba bruke std. PVV-gateway til all trafikk (unntatt
+          # VPN-tunnellen).
+          push "redirect-gateway"
+        '';
+
+        persist-key = true;
+        persist-tun = true;
+
+        verb = 5;
+
+        explicit-exit-notify = 1;
+      };
+    in lib.pipe conf [
+      (lib.filterAttrs (_: value: !(builtins.isNull value || value == false)))
+      (builtins.mapAttrs (_: value:
+        if builtins.isList value then builtins.concatStringsSep " " (map toString value)
+        else if value == true then value
+        else if builtins.any (f: f value) [
+          builtins.isString
+          builtins.isInt
+          builtins.isFloat
+          lib.isPath
+          lib.isDerivation
+        ] then toString value
+        else throw "Unknown value in grevling openvpn config, deading now\n${value}"
+      ))
+      (lib.mapAttrsToList (name: value: if value == true then name else "${name} ${value}"))
+      (builtins.concatStringsSep "\n")
+      (x: x + "\n\n")
+    ];
+  };
+}

hosts/tuba/configuration.nix

@@ -0,0 +1,36 @@
+{ config, pkgs, values, ... }:
+{
+  imports = [
+      # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      ../../base.nix
+      ../../misc/metrics-exporters.nix
+
+      ./services/openvpn
+    ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "tuba";
+
+  # 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:
+
+  # 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?
+
+}

hosts/tuba/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# 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 = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/33825f0d-5a63-40fc-83db-bfa1ebb72ba0";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/145E-7362";
+      fsType = "vfat";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/7ed27e21-3247-44cd-8bcc-5d4a2efebf57"; }
+    ];
+
+  # 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.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp2s2.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/tuba/services/openvpn/default.nix

@@ -0,0 +1,54 @@
+{ lib, values, ... }:
+{
+  services.openvpn.servers."ov-tunnel" = {
+    config = let
+      conf = {
+        # TODO: use aliases
+        client = true;
+        dev = "tap";
+        proto = "udp";
+        remote = "129.241.210.191 1194";
+
+        resolv-retry = "infinite";
+        nobind = true;
+
+        # # TODO: set up
+        ca = "";
+        cert = "";
+        key = "";
+        remote-cert-tls = "server";
+        cipher = "none";
+
+        user = "nobody";
+        group = "nobody";
+
+        status = "/var/log/openvpn-status.log";
+
+        persist-key = true;
+        persist-tun = true;
+
+        verb = 5;
+
+        # script-security = 2;
+        # up = "systemctl restart rwhod";
+      };
+    in lib.pipe conf [
+      (lib.filterAttrs (_: value: !(builtins.isNull value || value == false)))
+      (builtins.mapAttrs (_: value:
+        if builtins.isList value then builtins.concatStringsSep " " (map toString value)
+        else if value == true then value
+        else if builtins.any (f: f value) [
+          builtins.isString
+          builtins.isInt
+          builtins.isFloat
+          lib.isPath
+          lib.isDerivation
+        ] then toString value
+        else throw "Unknown value in tuba openvpn config, deading now\n${value}"
+      ))
+      (lib.mapAttrsToList (name: value: if value == true then name else "${name} ${value}"))
+      (builtins.concatStringsSep "\n")
+      (x: x + "\n\n")
+    ];
+  };
+}

secrets/bicep/bicep.yaml

@@ -10,10 +10,6 @@ minecraft-heatmap:
     ssh-key:
         private: ENC[AES256_GCM,data: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,iv:nt/+qPBwPZKQt43VJ9FbKjLYioFwCxD7VK9WNCJCmpQ=,tag:MuDfnTiro3VVJq9x5rkEQg==,type:str]
         public: ENC[AES256_GCM,data:+fiCO8VRSmV7tmyweYSpZJMOuMORLHkWetYbr20aTQ1vRYr927nYGes4E464t+Dv9OyJPCLmHBdgt7UvxJWuC3pZE8iStnBYnej3D4ebMzi2SMfOkJjGuQSplXtl8QeAYe1YvROmtQ==,iv:thgGQUyWdXfwUt1E/vudoNjl8JjnksFd1rb/asTry+g=,tag:t1iQPocvfI+JafuJycaLuw==,type:str]
-garage:
-    rpc-secret: ENC[AES256_GCM,data:GzLWSrVcjCiZKNC78BCjf1CFDdUxU43w5cjUCxlV2zUv4RLJ9m4rJiw749du+JW/w7CvyVgBHSM7D4ixeunvJA==,iv:VwrmBtbNX0AumaBmMNYwMd+zMHfYwXzvMd5D2uQrIis=,tag:ShHXGuYx4lrg+ORf+JXISw==,type:str]
-    admin-token: ENC[AES256_GCM,data:UFyn0s0t44oEDdV36kkeUyomvP0X+Sw4ed1g6n29Fh6PLYl53gvDnyg0OSI=,iv:w9IMARTfTcfvu/Qdh60JVH7S9W1GkV+/e3YL08WZKh8=,tag:kOx9BZ8OPBNRpvkLgmW3Zw==,type:str]
-    metrics-token: ENC[AES256_GCM,data:/dCSR1OgpEsOsRRzCeiY6OSyGvl8feKovb/Kfqg6QCQ4tb8bAkkR8xLtTxQ=,iv:4wHwBgoiJFTZETtNs9t6dshgG3f84T7HHiEi86LkOmU=,tag:3usDN18uB2ZPo8fDJZEDag==,type:str]
 sops:
     age:
         - recipient: age19nk55kcs7s0358jpkn75xnr57dfq6fq3p43nartvsprx0su22v7qcgcjdx
@@ -79,8 +75,8 @@ sops:
             U3IrZTB3YUJiREZDQkgzUFMvb3VxU1kKJhYYVcCT8hNJkEK1nD3GBekVGDOI3Nin
             iBat3LwB4Ijzx1jA+jKJ1Ilf4MgdoL2ox6l/uWft27vvsRaQ501VvA==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2026-04-29T12:18:46Z"
-    mac: ENC[AES256_GCM,data:blfYRh75xbA+jeGCCxuZADBVAa4Nih+b5hcXEp8mdzOBrbdOWfL4TfuyYB0Cj/rMDsklIprczmBJ/a/cSTdKSaak/LfAzy7swR6u5R5V3+xLP6CopOhO59RaXc2inoMPEc73XAmP33jynm/kSznRM1PGA+X9oaK6PrWcTgHiM7M=,iv:SwXRz/XpyOVOQzvRjViqK41NOdHXGdTshQ3a/Qi1350=,tag:v6p6QW6qnv1T14PBBB88NQ==,type:str]
+    lastmodified: "2025-08-25T12:27:53Z"
+    mac: ENC[AES256_GCM,data:GoJ2en7e+D4wjyPJqq7i1s8JPdgFO3wcxrtXOgSKTxi6HTibuIcP4KQcKrCMRAZmXOEL1vpnWFA2uk7S00Av7/QOnzP0Zrk3aPBM6lbB+p9XSabN0sOe1UpZDtAM3bzvS9JZzyztT5nHKvO/eV2rP71y/tYbsT6yvj7Y9zxpvKg=,iv:tQiCr7zpo7g5jZpt2VD9jtFKo32XUWs94Jay+T4XWys=,tag:npBqmlbUUfN+ztttajva3w==,type:str]
     pgp:
         - created_at: "2026-01-16T06:34:45Z"
           enc: |-
@@ -103,4 +99,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: F7D37890228A907440E1FD4846B9228E814A2AAC
     unencrypted_suffix: _unencrypted
-    version: 3.12.2
+    version: 3.10.2

values.nix

@@ -26,6 +26,12 @@ in rec {
       ipv4 = pvv-ipv4 213;
       ipv6 = pvv-ipv6 213;
     };
+    grevling-tap = {
+      ipv4 = pvv-ipv4 251;
+    };
+    tuba-tap = {
+      ipv4 = pvv-ipv4 252;
+    };
   };
 
   hosts = {
@@ -111,6 +117,14 @@ in rec {
       ipv4 = pvv-ipv4 228;
       ipv6 = pvv-ipv6 228;
     };
+    grevling = {
+      ipv4 = pvv-ipv4 198;
+      ipv6 = pvv-ipv6 198;
+    };
+    tuba = {
+      ipv4 = pvv-ipv4 199;
+      ipv6 = pvv-ipv6 199;
+    };
   };
 
   defaultNetworkConfig = {