mochi/nixos/hosts/gandalf/default.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, modulesPath, inputs, ... }:
let
  sanoidConfig = import ./config/sanoid.nix { };
in
{
  imports =
    [
      (modulesPath + "/installer/scan/not-detected.nix")
      inputs.disko.nixosModules.disko
      (import ../../profiles/disko-nixos.nix { disks = [ "/dev/sda" ]; })
    ];

  boot = {
    initrd = {
      availableKernelModules = [ "ehci_pci" "ahci" "mpt3sas" "isci" "usbhid" "usb_storage" "sd_mod" ];
      kernelModules = [ "nfs" ];
      supportedFilesystems = [ "nfs" ];
    };

    kernelModules = [ "kvm-intel" "vfio" "vfio_iommu_type1" "vfio_pci" "vfio_virqfd" ];
    extraModulePackages = [ ];
    kernelParams = [ "iommu=pt" "intel_iommu=on" "zfs.zfs_arc_max=107374182400" ]; # 100GB
  };

  users.users.root.openssh.authorizedKeys.keys = [
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAGSFTSVPt43PBpSMSF1dGTzN2JbxztDZUml7g4+PnWe CSI-Driver@talos"
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO/W445gX2IINRbE6crIMwgN6Ks8LTzAXR86pS9xp335 root@Sting"
    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBROTzSefJGJeCNUgNLbE5l4sHHg2fHUO4sCwqvP+zAd root@Gollum"
  ];

  # Network settings
  networking = {
    hostName = "gandalf";
    hostId = "e2fc95cd";
    useDHCP = false; # needed for bridge
    networkmanager.enable = true;
    # TODO: Add ports specifically.
    firewall.enable = false;
    interfaces = {
      "enp130s0f0".useDHCP = true;
      "enp130s0f1".useDHCP = true;
    };

    # For VMs
    bridges = {
      "br0" = {
        interfaces = [ "enp130s0f1" ];
      };
    };
  };

  swapDevices = [ ];

  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;

  sops = {
    secrets = {
      "lego/dnsimple/token" = {
        mode = "0444";
        sopsFile = ./secrets.sops.yaml;
      };
      "borg/repository/passphrase" = {
        sopsFile = ./secrets.sops.yaml;
      };
    };
  };

  # no de
  services = {
    xserver = {
      enable = false;
      displayManager.gdm.enable = false;
      desktopManager.gnome.enable = false;
    };
  };

  # System settings and services.
  mySystem = {
    purpose = "Production";
    system = {
      motd.networkInterfaces = [ "enp130s0f0" "enp130s0f1" ];
      # ZFS
      zfs.enable = true;
      zfs.mountPoolsAtBoot = [ "eru" ];
      # NFS
      nfs.enable = true;
      # Samba
      samba = {
        enable = true;
        shares = import ./config/samba-shares.nix { };
        extraConfig = import ./config/samba-config.nix { };
      };
      resticBackup = {
        local.enable = false;
        remote.enable = false;
        local.noWarning = true;
        remote.noWarning = true;
      };
      # Borg
      borgbackup = {
        enable = true;
        paths = [ "/eru/containers/volumes/unifi/" ];
        exclude = [ ];
        repo = "ssh://t3zvn0dd@t3zvn0dd.repo.borgbase.com/./repo";
        repoKeyPath = config.sops.secrets."borg/repository/passphrase".path;
      };
    };
    services = {
      podman.enable = true;
      libvirt-qemu.enable = true;

      # Sanoid
      sanoid = {
        enable = true;
        inherit (sanoidConfig.outputs) templates datasets;
      };

      # Unifi & Lego-Auto
      unifi.enable = true;
      lego-auto = {
        enable = true;
        dnsimpleTokenPath = "${config.sops.secrets."lego/dnsimple/token".path}";
        domains = "gandalf.jahanson.tech";
        email = "joe@veri.dev";
        provider = "dnsimple";
      };
    };
  };
}