#
# 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 = "2m 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 = "enp6s18";
              ntp = [ "192.168.2.1" ];
              #domains = [ "home.opel-online.de" ];
              networkConfig = {
                DHCP = "yes";
                IPv6AcceptRA = 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
    '';
  };
  
}