init: public

config/hosts/imxyy-nix-server/hardware.nix

@@ -0,0 +1,99 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  boot.initrd.availableKernelModules = [
+    "xhci_pci"
+    "ahci"
+    "nvme"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+  ];
+  boot.initrd.kernelModules = [ "amdgpu" ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.kernelPackages = lib.mkForce pkgs.stable.linuxKernel.packages.linux_zen;
+  boot.extraModulePackages = [ ];
+  boot.tmp.useTmpfs = true;
+  boot.supportedFilesystems = [ "zfs" ];
+  boot.zfs = {
+    extraPools = [ "data" ];
+    forceImportRoot = false;
+  };
+  services.zfs.autoScrub.enable = true;
+  services.btrfs.autoScrub.enable = true;
+  networking.hostId = "10ca95b4";
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/c7889c5c-c5b6-4e3c-9645-dfd49c2e84d0";
+    fsType = "btrfs";
+    options = [
+      "compress=zstd"
+      "subvol=root"
+    ];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/c7889c5c-c5b6-4e3c-9645-dfd49c2e84d0";
+    fsType = "btrfs";
+    options = [
+      "compress=zstd"
+      "subvol=nix"
+    ];
+  };
+
+  fileSystems."/persistent" = {
+    device = "/dev/disk/by-uuid/c7889c5c-c5b6-4e3c-9645-dfd49c2e84d0";
+    fsType = "btrfs";
+    options = [
+      "compress=zstd"
+      "subvol=persist"
+    ];
+    neededForBoot = true;
+  };
+
+  boot.initrd.postDeviceCommands = lib.mkAfter ''
+    mkdir /btrfs_tmp
+    mount /dev/disk/by-uuid/c7889c5c-c5b6-4e3c-9645-dfd49c2e84d0 /btrfs_tmp
+    mkdir -p /btrfs_tmp/old_roots
+    if [[ -e /btrfs_tmp/root ]]; then
+        timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
+        mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+    fi
+
+    delete_subvolume_recursively() {
+        IFS=$'\n'
+        for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
+            delete_subvolume_recursively "/btrfs_tmp/$i"
+        done
+        btrfs subvolume delete "$1"
+    }
+
+    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +14); do
+        delete_subvolume_recursively "$i"
+    done
+
+    btrfs subvolume create /btrfs_tmp/root
+    umount /btrfs_tmp
+  '';
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/32AA-2998";
+    fsType = "vfat";
+  };
+
+  # 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 false;
+
+  hardware.enableRedistributableFirmware = lib.mkDefault true;
+  hardware.cpu.amd.updateMicrocode = config.hardware.enableRedistributableFirmware;
+
+  nixpkgs.hostPlatform = lib.mkForce "x86_64-linux";
+}