From 84b1a60feaefd6f8b8626c3b1dc3d22fa8d95e01 Mon Sep 17 00:00:00 2001
From: Julian Mutter <julian.mutter@comumail.de>
Date: Sun, 1 Dec 2024 19:02:57 +0100
Subject: [PATCH] builder: try gpu computing but GPU doesnt support it

---
 systems/x86_64-linux/builder/default.nix      | 32 ++++++++++++++---
 .../builder/hardware-configuration.nix        | 35 ++++++++++++-------
 2 files changed, 50 insertions(+), 17 deletions(-)

diff --git a/systems/x86_64-linux/builder/default.nix b/systems/x86_64-linux/builder/default.nix
index 5a438f3..fb0d0e0 100644
--- a/systems/x86_64-linux/builder/default.nix
+++ b/systems/x86_64-linux/builder/default.nix
@@ -6,6 +6,23 @@
 {
   imports = [ ./hardware-configuration.nix ];
 
+  # hardware.opengl = {
+  #   enable = true;
+  #   extraPackages = with pkgs; [
+  #     rocmPackages.clr.icd
+  #     linuxPackages.amdgpu-pro
+  #   ];
+  # };
+
+  # boot.kernelParams = [
+  #   "radeon.si_support=0"
+  #   "radeon.cik_support=1"
+  #   "amdgpu.si_support=0"
+  #   "amdgpu.cik_support=1"
+  # ];
+  # boot.extraModulePackages = with config.boot.kernelPackages; [ amdgpu-pro ];
+  # boot.blacklistedKernelModules = [ "radeon" ];
+
   boot.loader.grub.enable = true;
   boot.loader.grub.device = "/dev/sda";
 
@@ -65,16 +82,23 @@
     vim
     htop
     mc
+
+    # # AMD GPU tools
+    # pciutils
+    # nvtopPackages.amd
+    # linuxPackages.amdgpu-pro
   ];
 
-  # services.ollama = {
-  #   enable = true;
-  #   acceleration = "cuda";
-  # };
+  # Ollama used by open-webui as llm backend
+  services.ollama = {
+    enable = true;
+    # acceleration = "rocm";
+  };
   services.open-webui = {
     enable = true;
     port = 8080;
     openFirewall = true;
+    host = "builder.julian-mutter.de";
   };
 
   services.openssh = {
diff --git a/systems/x86_64-linux/builder/hardware-configuration.nix b/systems/x86_64-linux/builder/hardware-configuration.nix
index c915166..d0bd254 100644
--- a/systems/x86_64-linux/builder/hardware-configuration.nix
+++ b/systems/x86_64-linux/builder/hardware-configuration.nix
@@ -1,26 +1,35 @@
 # 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, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
 
 {
-  imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
+  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.initrd.availableKernelModules = [
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "virtio_scsi"
+    "sd_mod"
+    "sr_mod"
+  ];
+  # boot.initrd.kernelModules = [ "amdgpu" ]; # GPU support
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/f088fe8e-bf3d-4a89-98bd-ead9852d381f";
-      fsType = "ext4";
-    };
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/f088fe8e-bf3d-4a89-98bd-ead9852d381f";
+    fsType = "ext4";
+  };
 
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/ab60b5f0-caaa-4a7e-803f-c4c1a6a076dd"; }
-    ];
+  swapDevices = [ { device = "/dev/disk/by-uuid/ab60b5f0-caaa-4a7e-803f-c4c1a6a076dd"; } ];
 
   # 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