109 lines
2.7 KiB
Nix
109 lines
2.7 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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btrfs = "/dev/disk/by-uuid/c7889c5c-c5b6-4e3c-9645-dfd49c2e84d0";
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in
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{
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boot.initrd.availableKernelModules = [
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"xhci_pci"
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"ahci"
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"nvme"
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"usbhid"
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"usb_storage"
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"sd_mod"
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];
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boot.initrd.kernelModules = [ "amdgpu" ];
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boot.kernelModules = [ "kvm-amd" ];
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boot.kernelPackages = lib.mkForce pkgs.stable.linuxKernel.packages.linux_zen;
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boot.extraModulePackages = [ ];
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boot.tmp.useTmpfs = true;
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boot.supportedFilesystems = [ "zfs" ];
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boot.zfs = {
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extraPools = [ "data" ];
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forceImportRoot = false;
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};
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services.zfs.autoScrub.enable = true;
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services.btrfs.autoScrub.enable = true;
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networking.hostId = "10ca95b4";
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fileSystems."/" = {
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device = btrfs;
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fsType = "btrfs";
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options = [
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"compress=zstd"
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"subvol=root"
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];
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};
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fileSystems."/nix" = {
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device = btrfs;
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fsType = "btrfs";
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options = [
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"compress=zstd"
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"subvol=nix"
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];
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};
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my.persist.location = "/nix/persist";
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fileSystems."/nix/persist" = {
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device = btrfs;
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fsType = "btrfs";
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options = [
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"compress=zstd"
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"subvol=persist"
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];
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neededForBoot = true;
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};
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boot.initrd.postDeviceCommands = lib.mkAfter ''
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mkdir /btrfs_tmp
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mount ${btrfs} /btrfs_tmp
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mkdir -p /btrfs_tmp/old_roots
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if [[ -e /btrfs_tmp/root ]]; then
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timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
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mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
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fi
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delete_subvolume_recursively() {
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IFS=$'\n'
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for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
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delete_subvolume_recursively "/btrfs_tmp/$i"
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done
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btrfs subvolume delete "$1"
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}
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for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +14); do
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delete_subvolume_recursively "$i"
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done
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btrfs subvolume create /btrfs_tmp/root
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umount /btrfs_tmp
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'';
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fileSystems."/boot" = {
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device = "/dev/disk/by-uuid/32AA-2998";
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fsType = "vfat";
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options = [
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"uid=0"
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"gid=0"
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"fmask=0077"
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"dmask=0077"
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];
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};
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# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
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# (the default) this is the recommended approach. When using systemd-networkd it's
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# still possible to use this option, but it's recommended to use it in conjunction
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# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
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networking.useDHCP = lib.mkDefault false;
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hardware.enableRedistributableFirmware = lib.mkDefault true;
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hardware.cpu.amd.updateMicrocode = config.hardware.enableRedistributableFirmware;
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nixpkgs.hostPlatform = lib.mkForce "x86_64-linux";
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}
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