porthos: split into modules

I have separated the modules into host-specific settings, and generic
settings that ought to be shared by every host.

I only have the 'porthos' host for now, but intend to also add my laptop
'aramis' at some point to this repository.

porthos/boot.nix

@@ -0,0 +1,15 @@
+# Boot configuration
+{ ... }:
+
+{
+  # Use the GRUB 2 boot loader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  # Define on which hard drive you want to install Grub.
+  boot.loader.grub.device = "/dev/sda";
+
+  boot.initrd.availableKernelModules = [ "uhci_hcd" "ahci" "usbhid" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+}

porthos/default.nix

@@ -0,0 +1,11 @@
+# Porthos specific settings
+{ ... }:
+
+{
+  imports = [
+    ./boot.nix
+    ./hardware.nix
+    ./networking.nix
+    ./services.nix
+  ];
+}

porthos/hardware.nix

@@ -0,0 +1,20 @@
+# Hardware configuration
+{ lib, modulesPath, ... }:
+
+{
+  imports =
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  fileSystems."/" =
+    {
+      device = "/dev/disk/by-uuid/d89efc61-6b03-4190-b488-301c919e2431";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [{ device = "/dev/disk/by-uuid/1a261204-2e78-496f-8a8d-d29bfa770306"; }];
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
+}

porthos/networking.nix

@@ -0,0 +1,27 @@
+# Networking configuration
+{ ... }:
+
+{
+  networking.hostName = "porthos"; # Define your hostname.
+  networking.domain = "test.belanyi.fr"; # Define your domain.
+
+
+  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+  # Per-interface useDHCP will be mandatory in the future, so this generated config
+  # replicates the default behaviour.
+  networking.useDHCP = false;
+  networking.interfaces.bond0.useDHCP = true;
+  networking.interfaces.bonding_masters.useDHCP = true;
+  networking.interfaces.dummy0.useDHCP = true;
+  networking.interfaces.erspan0.useDHCP = true;
+  networking.interfaces.eth0.useDHCP = true;
+  networking.interfaces.eth1.useDHCP = true;
+  networking.interfaces.gre0.useDHCP = true;
+  networking.interfaces.gretap0.useDHCP = true;
+  networking.interfaces.ifb0.useDHCP = true;
+  networking.interfaces.ifb1.useDHCP = true;
+  networking.interfaces.ip6tnl0.useDHCP = true;
+  networking.interfaces.sit0.useDHCP = true;
+  networking.interfaces.teql0.useDHCP = true;
+  networking.interfaces.tunl0.useDHCP = true;
+}

porthos/services.nix

@@ -0,0 +1,57 @@
+# Deployed services
+{ config, ... }:
+let
+  my = config.my;
+in
+{
+  # List services that you want to enable:
+  my.services = {
+    # Gitea forge
+    gitea.enable = true;
+    # Meta-indexers
+    indexers = {
+      jackett.enable = true;
+      nzbhydra.enable = true;
+    };
+    # Jellyfin media server
+    jellyfin.enable = true;
+    # Matrix backend and Element chat front-end
+    matrix = {
+      enable = true;
+      secret = my.secrets.matrix.secret;
+    };
+    # Nextcloud self-hosted cloud
+    nextcloud = {
+      enable = true;
+      password = my.secrets.nextcloud.password;
+    };
+    # The whole *arr software suite
+    pirate.enable = true;
+    # Regular backups
+    postgresql-backup.enable = true;
+    # An IRC client daemon
+    quassel.enable = true;
+    # RSS provider for websites that do not provide any feeds
+    rss-bridge.enable = true;
+    # Usenet client
+    sabnzbd.enable = true;
+    # Torrent client and webui
+    transmission = {
+      enable = true;
+      username = "Ambroisie";
+      password = my.secrets.transmission.password;
+    };
+  };
+
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  programs.mosh.enable = true; # Opens the relevant UDP ports.
+
+  # Enable the OpenSSH daemon.
+  services.openssh.enable = true;
+  services.openssh.permitRootLogin = "no";
+  services.openssh.passwordAuthentication = false;
+}