machines: Add configuration for zero; new workstation

Signed-off-by: Christoph Heiss <christoph@c8h4.io>

default.nix

@@ -20,4 +20,4 @@ in {
     pkgs = import pinnedPkgs { overlays = [ (import ./pkgs) ]; };
     description = "c8h4.io infrastructure";
   };
-} // (builtins.listToAttrs (map mkMachine [ "name" "serv" "trek" ]))
+} // (builtins.listToAttrs (map mkMachine [ "name" "serv" "trek" "zero" ]))

machines/zero.nix

@@ -0,0 +1,78 @@
+{ my, pkgs, ... }:
+
+{
+  imports = [ ../system/desktop.nix ../system/ucode-amd.nix ];
+
+  system.stateVersion = "23.05";
+
+  boot.initrd.availableKernelModules =
+    [ "xhci_pci" "nvme" "usb_storage" "sd_mod" ];
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/B369-D2FE";
+    fsType = "vfat";
+  };
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/5151f79a-fca4-45d4-8bd9-66f157a1d51f";
+    fsType = "btrfs";
+    options = [ "subvol=@" ];
+  };
+
+  fileSystems."/home" = {
+    device = "/dev/disk/by-uuid/5151f79a-fca4-45d4-8bd9-66f157a1d51f";
+    fsType = "btrfs";
+    options = [ "subvol=@home" ];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/5151f79a-fca4-45d4-8bd9-66f157a1d51f";
+    fsType = "btrfs";
+    options = [ "subvol=@nix" ];
+  };
+
+  fileSystems."/var/log" = {
+    device = "/dev/disk/by-uuid/5151f79a-fca4-45d4-8bd9-66f157a1d51f";
+    fsType = "btrfs";
+    options = [ "subvol=@log" ];
+  };
+
+  fileSystems."/storage/bunker" = {
+    device = "tank.c8h4.io:/tank/bunker";
+    fsType = "nfs";
+    options = [
+      "noauto"
+      "noexec"
+      "x-systemd.automount"
+      "x-systemd.mount-timeout=10s"
+      "_netdev"
+    ];
+  };
+
+  networking = my.homelab.networking // {
+    interfaces.eno1 = my.machines.zero.eno1 // { wakeOnLan.enable = true; };
+  };
+
+  home-manager.users.christoph = {
+    my.emails.personal.enable = true;
+
+    wayland.windowManager.sway.config = let
+      inherit (my.machines.zero) displays;
+      # Assigns five workspaces, starting at `base`, to output `output`.
+      makeWorkspaceOutputAssignList = base: output:
+        builtins.genList (x: {
+          inherit output;
+          workspace = toString (base + x);
+        }) 5;
+    in {
+      workspaceOutputAssign =
+        (makeWorkspaceOutputAssignList 1 (builtins.elemAt displays 0))
+        ++ (makeWorkspaceOutputAssignList 6 (builtins.elemAt displays 1));
+
+      assigns = {
+        "6" = [{ app_id = "firefox"; }];
+        "7" = [{ class = "Spotify"; }];
+      };
+    };
+  };
+}

system/ucode-amd.nix

@@ -0,0 +1,6 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = [ pkgs.microcodeAmd ];
+  hardware.cpu.amd.updateMicrocode = true;
+}