Add library definition

flake.nix

@@ -59,6 +59,15 @@
           ];
           specialArgs = { inherit lib inputs; };
         };
+        library = nixpkgs.lib.nixosSystem {
+          system = "x86_64-linux";
+          modules = [
+            inputs.home-manager.nixosModules.home-manager
+            (import ./modules)
+            ./hosts/library
+          ];
+          specialArgs = { inherit lib inputs; };
+        };
         odyssey = nixpkgs.lib.nixosSystem {
           system = "x86_64-linux";
           modules = [

hosts/library/README.md

@@ -0,0 +1,45 @@
+# Library
+
+## Overview
+Media and public file server.
+
+## Specs
+* CPU - AMD Ryzen 5 5600G @ 3.90GHz
+* Chipset - AMD B550
+* Memory - 64 GB DDR4
+* Motherboard - ASRock B550M Pro4
+* Case - Fractal Design Node 804
+
+### Disks
+Device | Partitions _(filesystem, size, usage)_
+--- | ---
+Samsung 980 Evo | `/dev/nvme0n1p1` (EFI, 512 MiB, NixOS Boot) <br> `/dev/nvme0n1p2` (ZFS `rpool`, 200 GiB, NixOS Root)
+
+#### ZFS datasets
+```
+rpool/
+├── local
+│   ├── nix
+│   └── tmp
+├── system
+│   ├── root
+│   └── var
+└── user
+    └── home
+
+library/
+├── books
+├── fonts
+├── movies
+├── music
+├── software
+├── tv
+├── videos
+└── web
+```
+
+See [Graham Christensen's article](https://grahamc.com/blog/nixos-on-zfs/#datasets) for the motivation behind the `rpool` datasets.
+
+### Networks
+- DHCP on `10.0.1.0/24` subnet.
+- Tailscale on `100.64.0.0/10` subnet. FQDN: `library.mesh.vimium.net`.

hosts/library/default.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib.my;
+{
+  imports = [
+    ./hardware-configuration.nix
+    ../server.nix
+  ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "library";
+  networking.domain = "mesh.vimium.net";
+  networking.hostId = "d24ae953";
+
+  networking.networkmanager.enable = true;
+
+  nix.package = pkgs.nixFlakes;
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
+
+  users.defaultUserShell = pkgs.zsh;
+
+  system.stateVersion = "22.11";
+
+  modules = {
+    security = {
+      gpg.enable = true;
+    };
+    shell = {
+      zsh.enable = true;
+    };
+  };
+}

hosts/library/hardware-configuration.nix

@@ -0,0 +1,61 @@
+# 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" "nvme" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "rpool/system/root";
+      fsType = "zfs";
+    };
+
+  fileSystems."/home" =
+    { device = "rpool/user/home";
+      fsType = "zfs";
+    };
+
+  fileSystems."/var" =
+    { device = "rpool/system/var";
+      fsType = "zfs";
+    };
+
+  fileSystems."/tmp" =
+    { device = "rpool/local/tmp";
+      fsType = "zfs";
+    };
+
+  fileSystems."/var/log" =
+    { device = "rpool/system/var/log";
+      fsType = "zfs";
+    };
+
+  fileSystems."/var/tmp" =
+    { device = "rpool/system/var/tmp";
+      fsType = "zfs";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/E63E-8E75";
+      fsType = "vfat";
+    };
+
+  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 true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/server.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+{
+  time.timeZone = "Europe/London";
+
+  i18n.defaultLocale = "en_GB.UTF-8";
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_GB.UTF-8";
+    LC_IDENTIFICATION = "en_GB.UTF-8";
+    LC_MEASUREMENT = "en_GB.UTF-8";
+    LC_MONETARY = "en_GB.UTF-8";
+    LC_NAME = "en_GB.UTF-8";
+    LC_NUMERIC = "en_GB.UTF-8";
+    LC_PAPER = "en_GB.UTF-8";
+    LC_TELEPHONE = "en_GB.UTF-8";
+    LC_TIME = "en_GB.UTF-8";
+  };
+
+  console.keyMap = "uk";
+
+  services.openssh = {
+    enable = true;
+    kbdInteractiveAuthentication = false;
+    passwordAuthentication = false;
+    permitRootLogin = "no";
+  };
+
+  environment.systemPackages = with pkgs; [
+    git
+    neovim
+  ];
+
+  modules.networking.tailscale.enable = true;
+}