nixos-config/hosts/jupiter/hardware-configuration.nix

#
# Hardware settings for Teclast F5 10" Laptop
# NixOS @ sda2
#
# flake.nix
#  └─ ./hosts
#      └─ ./laptop
#          └─ hardware-configuration.nix *
#
# 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,
  ...
}: {
  imports =
    [(modulesPath + "/profiles/qemu-guest.nix")]
    ++ [(import ../../modules/hardware/backup.nix)];

  boot.initrd.availableKernelModules = ["uhci_hcd" "ehci_pci" "ahci" "virtio_pci" "virtio_scsi" "sr_mod" "virtio_blk"];
  boot.initrd.kernelModules = [];
  boot.initrd.secrets = {
    "/root/NASKeyfile" =
      /root/NASKeyfile;
  };
  boot.initrd.luks.devices = {
    NAS-RAID1 = {
      device = "/dev/disk/by-uuid/78c74410-c840-49b0-8a29-456d60c38217";
      keyFile = "/root/NASKeyfile";
    };
    NAS-RAID1_2 = {
      device = "/dev/disk/by-uuid/dda6e698-4f0a-4d71-a06c-656b87374ed7";
      keyFile = "/root/NASKeyfile";
    };
  };
  boot.kernelModules = [];
  boot.extraModulePackages = [];
  boot.tmp.useTmpfs = false;
  boot.tmp.cleanOnBoot = true;
  zramSwap.enable = true;

  services.btrfs.autoScrub = {
    enable = true;
    interval = "monthly";
    fileSystems = [
      "/"
      "/mnt/Mars"
      "/mnt/Pluto"
    ];
  };

  services.btrbk = {
    extraPackages = [pkgs.lz4 pkgs.mbuffer];
    instances = {
      hf = {
        onCalendar = "hourly";
        settings = {
          incremental = "yes";
          snapshot_create = "ondemand";
          snapshot_dir = "@snapshots";
          timestamp_format = "long";

          snapshot_preserve = "2w 5d 5h";
          snapshot_preserve_min = "latest";

          volume = {
            "/mnt/snapshots/root" = {
              snapshot_create = "always";
              subvolume = {
                "@" = {};
                "@home" = {};
              };
            };
          };
          volume = {
            "/mnt/snapshots/Mars" = {
              snapshot_create = "always";
              subvolume = {
                "@nas" = {};
              };
            };
          };
        };
      };
      lf = {
        onCalendar = "daily";
        settings = {
          incremental = "yes";
          snapshot_create = "ondemand";
          snapshot_dir = "@snapshots";
          timestamp_format = "long";

          snapshot_preserve = "2m 2w 5d";
          snapshot_preserve_min = "latest";

          volume = {
            "/mnt/snapshots/Pluto" = {
              snapshot_create = "always";
              subvolume = {
                "@" = {};
                "@/Backups" = {};
                "@/Games" = {};
                "@/IT" = {};
                "@/Media" = {};
                "@/Pictures" = {};
                "@/Rest" = {};
              };
            };
          };
        };
      };
    };
  };

  fileSystems."/" = {
    device = "/dev/disk/by-label/NIXROOT";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@,discard=async"];
  };

  fileSystems."/home" = {
    device = "/dev/disk/by-label/NIXROOT";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@home,discard=async"];
  };

  fileSystems."/srv" = {
    device = "/dev/disk/by-label/NIXROOT";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@srv,discard=async"];
  };

  fileSystems."/nix" = {
    device = "/dev/disk/by-label/NIXROOT";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@nix,discard=async"];
  };

  fileSystems."/swap" = {
    device = "/dev/disk/by-label/NIXROOT";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@swap,discard=async"];
  };

  fileSystems."/mnt/snapshots/root" = {
    device = "/dev/disk/by-label/NIXROOT";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvolid=5,discard=async"];
  };

  fileSystems."/mnt/snapshots/Mars" = {
    device = "/dev/disk/by-label/MARS";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvolid=5,discard=async"];
  };

  fileSystems."/mnt/snapshots/Pluto" = {
    device = "/dev/disk/by-label/NAS-RAID";
    fsType = "btrfs";
    options = ["compress=zstd:8,noatime,subvolid=5"];
  };

  fileSystems."/mnt/Pluto" = {
    device = "/dev/disk/by-label/NAS-RAID";
    fsType = "btrfs";
    options = ["compress=zstd:8,noatime,subvol=@"];
  };

  fileSystems."/mnt/Mars" = {
    device = "/dev/disk/by-label/MARS";
    fsType = "btrfs";
    options = ["compress=zstd,space_cache=v2,ssd,noatime,subvol=@nas,discard=async"];
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-label/NIXBOOT";
    fsType = "vfat";
  };

  fileSystems."/export/Pluto" = {
    device = "/mnt/Pluto";
    options = ["bind"];
  };

  fileSystems."/export/Mars" = {
    device = "/mnt/Mars";
    options = ["bind"];
  };

  swapDevices = [{device = "/swap/swapfile";}];

  systemd.network = {
    enable = true;
    networks = {
      "10-lan" = {
        matchConfig.Name = "ens18";
        ntp = ["192.168.2.1"];
        domains = ["home.opel-online.de"];
        networkConfig = {
          DHCP = "yes";
          IPv6AcceptRA = true;
          IPv6PrivacyExtensions = false;
        };
        ipv6AcceptRAConfig = {
          DHCPv6Client = "always";
          UseDNS = true;
        };
        dhcpV4Config = {
          UseDNS = true;
        };
        dhcpV6Config = {
          UseDNS = true;
        };
      };
    };
  };
  networking = {
    hostName = "jupiter";
    domain = "home.opel-online.de";
    useDHCP = false; # For versatility sake, manually edit IP on nm-applet.
    #firewall = {
    #  enable = false;
    #  #allowedUDPPorts = [ 53 67 ];
    #  #allowedTCPPorts = [ 53 80 443 9443 ];
    #};
  };

  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
  powerManagement = {
    cpuFreqGovernor = lib.mkDefault "powersave";
    powertop.enable = true;
    #scsiLinkPolicy = "med_power_with_dipm";
    powerUpCommands = ''
      ${pkgs.hdparm}/sbin/hdparm -S 150 /dev/disk/by-uuid/57e6446d-faca-4b67-9063-e8d9afb80088
    '';
  };
}