tmp

The backup dumps are reaching GB size, pretty sure there's not a GB of git data

flake.lock

@@ -3,11 +3,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1668681692,
-        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
         "type": "github"
       },
       "original": {
@@ -31,12 +31,79 @@
         "type": "github"
       }
     },
+    "intake": {
+      "inputs": {
+        "flake-compat": [
+          "flake-compat"
+        ],
+        "nixos-shell": "nixos-shell",
+        "nixpkgs": [
+          "nixpkgs-2305"
+        ]
+      },
+      "locked": {
+        "lastModified": 1696904526,
+        "narHash": "sha256-VbPMkzZBNhRB5fj2cEBnTRP1LRJHOWX1d8KGuAqtezQ=",
+        "ref": "refs/heads/master",
+        "rev": "8fd6f3b751fd46c0d4571d1cf4f330dc38b8270e",
+        "revCount": 79,
+        "type": "git",
+        "url": "ssh://gitea@git.alogoulogoi.com/Jaculabilis/intake.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "ssh://gitea@git.alogoulogoi.com/Jaculabilis/intake.git"
+      }
+    },
+    "intake-sources": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs-2305"
+        ]
+      },
+      "locked": {
+        "lastModified": 1700115142,
+        "narHash": "sha256-EuLKiCD8AVQUEADh+TJoePc6GR+TKVvmbOb4Duld2gI=",
+        "ref": "refs/heads/master",
+        "rev": "327a79479d80dc7c1760f32887b7f07723529d66",
+        "revCount": 26,
+        "type": "git",
+        "url": "ssh://gitea@git.alogoulogoi.com/Jaculabilis/intake-sources.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "ssh://gitea@git.alogoulogoi.com/Jaculabilis/intake-sources.git"
+      }
+    },
+    "nixos-shell": {
+      "inputs": {
+        "nixpkgs": [
+          "intake",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1686216465,
+        "narHash": "sha256-0A4K6xVIyxUi2YZu4+156WwzAO1GDWGcKiMvsXpBQDQ=",
+        "owner": "Mic92",
+        "repo": "nixos-shell",
+        "rev": "65489e7eeef8eeea43e1e4218ad1b99d58852c7c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "nixos-shell",
+        "type": "github"
+      }
+    },
     "nixos-wsl": {
       "inputs": {
-        "flake-compat": "flake-compat",
+        "flake-compat": [
+          "flake-compat"
+        ],
         "flake-utils": "flake-utils",
         "nixpkgs": [
-          "nixpkgs"
+          "nixpkgs-2305"
         ]
       },
       "locked": {
@@ -53,26 +120,46 @@
         "type": "github"
       }
     },
-    "nixpkgs": {
+    "nixpkgs-2305": {
       "locked": {
-        "lastModified": 1669833724,
-        "narHash": "sha256-/HEZNyGbnQecrgJnfE8d0WC5c1xuPSD2LUpB6YXlg4c=",
+        "lastModified": 1685566663,
+        "narHash": "sha256-btHN1czJ6rzteeCuE/PNrdssqYD2nIA4w48miQAFloM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4d2b37a84fad1091b9de401eb450aae66f1a741e",
+        "rev": "4ecab3273592f27479a583fb6d975d4aba3486fe",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "refs/tags/22.11",
+        "ref": "23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-2311": {
+      "locked": {
+        "lastModified": 1701282334,
+        "narHash": "sha256-MxCVrXY6v4QmfTwIysjjaX0XUhqBbxTWWB4HXtDYsdk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "057f9aecfb71c4437d2b27d3323df7f93c010b7e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "root": {
       "inputs": {
+        "flake-compat": "flake-compat",
+        "intake": "intake",
+        "intake-sources": "intake-sources",
         "nixos-wsl": "nixos-wsl",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs-2305": "nixpkgs-2305",
+        "nixpkgs-2311": "nixpkgs-2311"
       }
     }
   },

flake.nix

@@ -1,27 +1,103 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs?ref=refs/tags/22.11";
-    nixos-wsl.url = "github:nix-community/NixOS-WSL";
-    nixos-wsl.inputs.nixpkgs.follows = "nixpkgs";
+    nixpkgs-2305.url = "github:NixOS/nixpkgs/23.05";
+    nixpkgs-2311.url = "github:NixOS/nixpkgs/23.11";
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+    nixos-wsl = {
+      url = "github:nix-community/NixOS-WSL";
+      inputs.nixpkgs.follows = "nixpkgs-2305";
+      inputs.flake-compat.follows = "flake-compat";
+    };
+    intake = {
+      url = "git+ssh://gitea@git.alogoulogoi.com/Jaculabilis/intake.git";
+      inputs.nixpkgs.follows = "nixpkgs-2305";
+      inputs.flake-compat.follows = "flake-compat";
+    };
+    intake-sources = {
+      url = "git+ssh://gitea@git.alogoulogoi.com/Jaculabilis/intake-sources.git";
+      inputs.nixpkgs.follows = "nixpkgs-2305";
+    };
   };
 
-  outputs = { self, nixpkgs, nixos-wsl }: {
-    nixosConfigurations = {
-      catacomb = nixpkgs.lib.nixosSystem {
-        system = "aarch64-linux";
-        modules = [ ./machine/catacomb ];
+  outputs = {
+    self,
+    nixpkgs-2305,
+    nixpkgs-2311,
+    flake-compat,
+    nixos-wsl,
+    intake,
+    intake-sources,
+  }@inputs: {
+    nixosModules.beatific = import ./modules/beatific.nix;
+
+    nixosConfigurations = let
+      pinNixpkgs = nixpkgs: { ... }: {
+        nix.registry.nixpkgs.to = { type = "path"; path = nixpkgs; };
       };
-      empyrean = nixpkgs.lib.nixosSystem {
+    in {
+      backyard = nixpkgs-2311.lib.nixosSystem {
         system = "x86_64-linux";
-        modules = [ ./machine/empyrean ];
+        modules = [
+          self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2311)
+          ./machine/backyard
+        ];
       };
-      stagirite = nixpkgs.lib.nixosSystem {
+      catacomb = nixpkgs-2305.lib.nixosSystem {
+        system = "aarch64-linux";
+        modules = [
+          self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2305)
+          ./machine/catacomb
+        ];
+      };
+      centroid = nixpkgs-2311.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2311)
+          ./machine/centroid
+        ];
+      };
+      empyrean = nixpkgs-2305.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          self.nixosModules.beatific
+          intake.nixosModules.default
+          intake-sources.nixosModules.default
+          (pinNixpkgs nixpkgs-2305)
+          ./machine/empyrean
+        ];
+      };
+      imperium = nixpkgs-2311.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2311)
+          ({ ... }: {
+            environment.systemPackages = [ nixpkgs-2311.legacyPackages."i686-linux".gperftools ];
+          })
+          ./machine/imperium
+        ];
+      };
+      stagirite = nixpkgs-2305.lib.nixosSystem {
         system = "x86_64-linux";
         modules = [
           nixos-wsl.nixosModules.wsl
           ./machine/stagirite
         ];
       };
+      unfolder = nixpkgs-2305.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          self.nixosModules.beatific
+          (pinNixpkgs nixpkgs-2305)
+          ./machine/unfolder
+        ];
+      };
     };
   };
 }

keys/default.nix

@@ -0,0 +1,14 @@
+{
+  tvb = [
+    ./nix-on-droid.vagrant.pub
+    ./tvb.backyard.pub
+    ./tvb.catacomb.pub
+    ./tvb.centroid.pub
+    ./tvb.empyrean.pub
+    ./tvb.imperium.pub
+    ./tvb.palamas.pub
+    ./tvb.stagirite.pub
+    ./tvb.unfolder.pub
+    ./tvb.vagrant.pub
+  ];
+}

keys/monitor.isidore.pub

@@ -1 +0,0 @@
-ssh-rsa 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 monitor@isidore

keys/nix-on-droid.vagrant.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEpvV9dKUVBlv5VU3LU0XIGTQK/McPf3H31HHD/vINGG nix-on-droid@vagrant

keys/tvb.backyard.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGYv5vs78+UAeRagopi4BuvmmK1l3zZwQPY3R4rnp7oV tvb@backyard

keys/tvb.catacomb.pub

@@ -0,0 +1 @@
+ssh-rsa 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 tvb@catacomb

keys/tvb.centroid.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIC364peKQVWeqFNzhJJkvHumKerKPkczeX2I/e9FFZyL tvb@centroid

keys/tvb.empyrean.pub

@@ -1 +1 @@
-ssh-rsa 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 tvb@empyrean
+ssh-rsa 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 tvb@empyrean

keys/tvb.imperium.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHGUvJ7Gd1mN2mF/hy12dizwEw64zn+jT0vFpkhGF07s tvb@imperium

keys/tvb.unfolder.pub

@@ -0,0 +1 @@
+ssh-rsa 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 tvb@unfolder

machine/backyard/default.nix

@@ -0,0 +1,58 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./jellyfin.nix
+  ];
+
+  boot.loader.grub = {
+    enable = true;
+    device = "/dev/sda";
+  };
+
+  beatific.hostName = "backyard";
+  beatific.defaults.tvbSync = false;
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+  users.users.tvb.extraGroups = [ "networkmanager" ];
+
+  networking.firewall = {
+    enable = false;
+  };
+
+  #
+  users.users.guest = {
+    group = "guest";
+    description = "gueSSHtbook sshd user";
+  };
+  users.groups.guest = {};
+  systemd.services.guesshd = let
+    nssModulesPath = config.system.nssModules.path;
+  in {
+    enable = false;
+    description = "gueSSHtbook SSH daemon";
+    wantedBy = "multi-user.target";
+    after = [ "network.target" ];
+    stopIfChanged = false;
+    path = [ config.programs.ssh.package pkgs.gawk ];
+    environment.LD_LIBRARY_PATH = nssModulesPath;
+    #restartTriggers = [ config path goes here ];
+    # need keys to exist, see prestart in sshd.nix
+    serviceConfig = {
+      ExecStart = "${config.programs.ssh.package}/bin/sshd -D -f /path/to/config";
+      KillMode = "process";
+      Restart = "always";
+      Type = "simple";
+  };
+  networking.firewall.allowedTCPPorts = [ 2345 ];
+  #
+
+  # This value governs how some stateful data, like databases, are handled
+  # across different versions of NixOS. This should not be changed to a new
+  # release unless the sysadmin has determined that no services would be
+  # adversely affected by changing this.
+  system.stateVersion = "23.05";
+
+}

machine/backyard/hardware-configuration.nix

@@ -0,0 +1,35 @@
+# 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 + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "usbhid" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/798089ca-f249-431d-aa08-65909b85a184";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/5d55f9b7-cde3-403d-9c91-61c4b68c71f9"; }
+    ];
+
+  # 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 true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

machine/backyard/jellyfin.nix

@@ -0,0 +1,39 @@
+{ pkgs, ... }:
+
+{
+  # Enable jellyfin
+  services.jellyfin.enable = true;
+
+  services.nginx = {
+    enable = true;
+    recommendedProxySettings = true;
+    virtualHosts = {
+      # Create a default vhost to deny traffic, so traffic has to actually match a vhost
+      default = {
+        default = true;
+        locations."/".return = "444";
+      };
+      "jellyfin" = {
+        listen = [
+          # Available on the local network (host managed by router)
+          { addr = "jellyfin.backyard.lan"; port = 80; }
+          # Available by name on beatific (host managed by beatific module)
+          { addr = "jellyfin.backyard.home"; port = 80; }
+          # Available by port on beatific until I solve DNS for non-NixOS hosts
+          { addr = "10.22.20.8"; port = 8096; }
+        ];
+        locations."/".extraConfig = ''
+          proxy_buffering off;
+          proxy_pass http://localhost:8096/;
+        '';
+      };
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [
+    80    # http
+    8096  # jellyfin
+  ];
+
+  users.users.tvb.extraGroups = [ "jellyfin" ];
+}

machine/catacomb/default.nix

@@ -1,13 +1,15 @@
 { pkgs, lib, ... }:
 
-let
-  beatific = import ../../modules/beatific.nix;
-in {
+{
   imports = [
     ./hardware-configuration.nix
     ./fileserver.nix
+    ./mirror.nix
   ];
 
+  beatific.hostName = "catacomb";
+  beatific.defaults.tvbSync = true;
+
   boot = {
     loader = {
       # Use the extlinux boot loader. (NixOS wants to enable GRUB by default)
@@ -17,42 +19,26 @@ in {
     };
     supportedFilesystems = ["zfs"];
     zfs.enableUnstable = true;
+    kernelParams = [ "zfs.zfs_dmu_offset_next_sync=0" ];
   };
 
   system.stateVersion = "22.11"; # Read the usual warning
 
   swapDevices = [ { device = "/swap"; size = 1024; } ];
 
-  console.keyMap = "us";
-  i18n.defaultLocale = "en_US.UTF-8";
-
-  environment.systemPackages = with pkgs;
-  let
-    py3-packages = python-packages: with python-packages; [
-      flask
-    ];
-    py3-with-packages = python3.withPackages py3-packages;
-  in [
-    wget vim curl git htop bash tmux psmisc man-pages pv lsof
-    zip unzip
-    py3-with-packages
-    usbutils
-    hdparm sdparm smartmontools gptfdisk gnufdisk
-    dosfstools
-    mkpasswd samba
-    tinc_pre
-    #file-rename
-    rsync
-    rclone gnupg
+  environment.systemPackages = with pkgs; [
+    lsof  # list open files
+    mkpasswd  # used for setting SMB passwords, I think?
+    samba  # provides smbpasswd, mostly
+    smartmontools  # provides smartctl
+    usbutils  # provides lsusb
   ];
 
   networking = {
-    hostName = "catacomb";
-    hostId = "beeeeee5";
+    hostId = "beeeeee5";  # this must be consistent for ZFS
     firewall = {
       enable = true;
-      allowPing = true;
-      allowedTCPPorts = [ 22 139 445 ];
+      allowedTCPPorts = [ 139 445 ];
       allowedUDPPorts = [ 137 138 ];
     };
   };
@@ -72,15 +58,7 @@ in {
       ];
   };
 
-  services.openssh = {
-    enable = true;
-    passwordAuthentication = true;
-  };
-
-  services.ntp = {
-    enable = true;
-    servers = ["time.nist.gov"];
-  };
+  services.openssh.settings.PasswordAuthentication = true;
 
   services.rsyncd.enable = true;
 
@@ -162,22 +140,6 @@ in {
       };
     };
 
-  services.nebula.networks.beatific = lib.recursiveUpdate beatific.nebula-defaults {
-    enable = true;
-
-    # Network certificate and host credentials
-    ca = "/etc/nebula/beatific/beatific.crt";
-    cert = "/etc/nebula/beatific/catacomb.crt";
-    key = "/etc/nebula/beatific/catacomb.key";
-
-    # Connect to the lighthouse at empyrean
-    # Note that this is a VPN address, not a public address
-    lighthouses = [ beatific.empyrean-vpn-ip ];
-
-    # Map the lighthouse address to its public address
-    staticHostMap = beatific.empyrean-host-map;
-  };
-
   services.zfs = {
     autoScrub = {
       enable = true;
@@ -191,19 +153,14 @@ in {
   };
 
   users.users.tvb = {
-    isNormalUser = true;
     uid = 1001;
-    password = "badpassword";
-    extraGroups = ["wheel" "nas"];
-    openssh.authorizedKeys.keyFiles = [
-      ../../keys/tvb.palamas.pub
-      ../../keys/tvb.stagirite.pub
-      ../../keys/tvb.vagrant.pub
-      ../../keys/monitor.isidore.pub
-      ../../keys/inquisitor.conduit.pub
+    extraGroups = [ "nas" ];
+    packages = [
+      (pkgs.writeShellScriptBin "yt-dlp" ''
+        exec $HOME/.env/bin/yt-dlp "$@"
+      '')
     ];
   };
-  #./keys/tvb.empyrean.pub
 
   users.users.katydid = {
     isNormalUser = true;
@@ -211,5 +168,4 @@ in {
   };
 
   nix.settings.cores = 4;
-  nix.extraOptions = "experimental-features = nix-command flakes";
 }

machine/catacomb/fileserver.nix

@@ -6,7 +6,7 @@ let
   catacombServerSource = builtins.fetchGit {
     url = "https://git.alogoulogoi.com/Jaculabilis/catacomb-server.git";
     ref = "develop-nix";
-    rev = "63574bb39cc777deb56a76548f08789d238fcfec";
+    rev = "3d6fb16948c377f94d030648849f120c8ada3884";
   };
   catacombServer = pkgs.callPackage catacombServerSource {};
 

machine/catacomb/hardware-configuration.nix

@@ -18,6 +18,11 @@
       fsType = "ext4";
     };
 
+  fileSystems."/backup" =
+    { device = "catapool/backup";
+      fsType = "zfs";
+    };
+
   fileSystems."/home/katydid" =
     { device = "catapool/user/katydid";
       fsType = "zfs";
@@ -28,41 +33,6 @@
       fsType = "zfs";
     };
 
-  fileSystems."/backup" =
-    { device = "catapool/backup";
-      fsType = "zfs";
-    };
-
-  fileSystems."/home/katydid/audio" =
-    { device = "catapool/user/katydid/audio";
-      fsType = "zfs";
-    };
-
-  fileSystems."/home/katydid/doc" =
-    { device = "catapool/user/katydid/doc";
-      fsType = "zfs";
-    };
-
-  fileSystems."/home/katydid/image" =
-    { device = "catapool/user/katydid/image";
-      fsType = "zfs";
-    };
-
-  fileSystems."/home/katydid/video" =
-    { device = "catapool/user/katydid/video";
-      fsType = "zfs";
-    };
-
-  fileSystems."/nas/video" =
-    { device = "catapool/nas/video";
-      fsType = "zfs";
-    };
-
-  fileSystems."/nas/doc" =
-    { device = "catapool/nas/doc";
-      fsType = "zfs";
-    };
-
   fileSystems."/nas/image" =
     { device = "catapool/nas/image";
       fsType = "zfs";
@@ -73,11 +43,21 @@
       fsType = "zfs";
     };
 
+  fileSystems."/nas/doc" =
+    { device = "catapool/nas/doc";
+      fsType = "zfs";
+    };
+
   fileSystems."/nas/game" =
     { device = "catapool/nas/game";
       fsType = "zfs";
     };
 
+  fileSystems."/nas/video" =
+    { device = "catapool/nas/video";
+      fsType = "zfs";
+    };
+
   swapDevices = [ ];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking

machine/catacomb/mirror.nix

@@ -0,0 +1,22 @@
+{ ... }:
+
+{
+  # Configure nginx to serve /nas/doc/website/mirror/
+  services.nginx = {
+    enable = true;
+    virtualHosts."mirror.catacomb.home" = {
+      listen = [
+        { addr = "10.22.20.2"; }
+        # Binding to 10.22.20.2:80 here confuses the empyrean revproxy, even when the revproxy
+        # is configured with the same hostname, and it serves from fileserver.nix instead.
+        # This nonstandard port supports the revproxy use case.
+        { addr = "10.22.20.2"; port = 7474; }
+      ];
+      root = "/nas/doc/website/mirror";
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 7474 ];
+
+  users.users.nginx.extraGroups = ["nas"];
+}

machine/centroid/default.nix

@@ -0,0 +1,95 @@
+{ pkgs, ... }:
+
+{
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  boot.loader.grub = {
+    efiSupport = true;
+    efiInstallAsRemovable = true;
+    device = "nodev";
+  };
+
+  beatific.hostName = "centroid";
+  beatific.defaults = {
+    tvbSync = false;
+  };
+
+  networking.networkmanager.enable = true;
+
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # To avoid needing an active user session, run a single system instance
+    systemWide = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    mpv  # cli media player
+  ];
+
+  users.users.tvb.extraGroups = [
+    "mopidy"
+    "networkmanager"
+    "pipewire"
+  ];
+
+  users.groups.mopidy = {};  # rw group for media directory
+  users.users.mopidy.extraGroups = [
+    "mopidy"
+    "pipewire"  # necessary to allow the system service to play sound
+  ];
+  services.mopidy = let
+    mopidy-ytdlp = pkgs.callPackage ./mopidy-youtube.nix { };
+  in {
+    enable = true;
+    extensionPackages = with pkgs; [
+      mopidy-jellyfin
+      mopidy-musicbox-webclient
+      # Replace the default mopidy-youtube, which doesn't have yt-dlp or a way to inject it
+      mopidy-ytdlp
+    ];
+    configuration = ''
+      [file]
+      media_dirs =
+          /media/music|Music
+
+      [jellyfin]
+      hostname = jellyfin.backyard.lan
+      username = mopidy
+      password = mopidy
+      libraries = Music,Weird Song Halftime
+      album_format = {Name} ({ProductionYear})
+
+      [youtube]
+      youtube_dl_package = yt_dlp
+    '';
+  };
+
+  services.nginx = {
+    enable = true;
+    recommendedProxySettings = true;
+    virtualHosts = {
+      default = {
+        default = true;
+        locations."/".return = "444";
+      };
+      "mopidy.home.ktvb.site" = {
+        listen = [
+          { addr = "10.22.20.7"; }
+          { addr = "centroid.lan"; }
+        ];
+        locations."/" = {
+          proxyWebsockets = true;
+          proxyPass = "http://localhost:6680";
+        };
+      };
+    };
+  };
+  networking.firewall.allowedTCPPorts = [ 80 ];
+
+  system.stateVersion = "23.11";
+}

machine/centroid/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# 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 + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/a08e9b3c-8ac7-433e-bf2c-6da234a2fb4a";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/5D60-DD0E";
+      fsType = "vfat";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/6dce2950-f8dd-49eb-b4d3-fdcf06cf920b"; }
+    ];
+
+  # 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 true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp0s20f0u1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

machine/centroid/mopidy-youtube.nix

@@ -0,0 +1,58 @@
+{ lib
+, fetchFromGitHub
+, python3
+, mopidy
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "mopidy-youtube";
+  version = "3.6";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "natumbri";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    hash = "sha256-Mp8eCVNGokJRwmYiZYCYRwV1QVDV02Uqfh6fGcPgJss=";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [
+    beautifulsoup4
+    cachetools
+    pykka
+    requests
+    youtube-dl  # this no longer works
+    yt-dlp      # <- added
+    ytmusicapi
+  ] ++ [
+    mopidy
+  ];
+
+  nativeCheckInputs = with python3.pkgs; [
+    vcrpy
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # Test requires a YouTube API key
+    "test_get_default_config"
+  ];
+
+  disabledTestPaths = [
+    # Disable tests which interact with Youtube
+    "tests/test_api.py"
+    "tests/test_backend.py"
+    "tests/test_youtube.py"
+  ];
+
+  pythonImportsCheck = [
+    "mopidy_youtube"
+  ];
+
+  meta = with lib; {
+    description = "Mopidy extension for playing music from YouTube";
+    homepage = "https://github.com/natumbri/mopidy-youtube";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}

machine/empyrean/default.nix

@@ -9,16 +9,18 @@
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
       #./amanuensis.nix
-      #./redstring.nix
       ./catacomb.nix
       ./gitea.nix
-      ./inquisitor.nix
+      ./sync-pipeline.nix
     ];
 
+  beatific.hostName = "empyrean";
+  beatific.isLighthouse = true;
+  beatific.defaults.tvbSync = true;
+
   # Use the GRUB 2 boot loader.
   boot.loader.grub = {
     enable = true;
-    version = 2;
     device = "/dev/xvda";
     extraConfig = "serial --unit=0 --speed=115200 ; terminal_input serial console ; terminal_output serial console";
   };
@@ -27,42 +29,20 @@
   nix = {
     package = pkgs.nixFlakes;
     settings.max-jobs = 2;
-    extraOptions = ''
-      experimental-features = nix-command flakes
-    '';
   };
 
   swapDevices = [ { device = "/swap"; size = 1024; } ];
 
-  networking.hostName = "empyrean";
-
   # The global useDHCP flag is deprecated, therefore explicitly set to false here.
   # Per-interface useDHCP will be mandatory in the future, so this generated config
   # replicates the default behaviour.
   networking.useDHCP = false;
   networking.interfaces.eth0.useDHCP = true;
 
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_US.UTF-8";
-  console = {
-    font = "Lat2-Terminus16";
-    keyMap = "us";
-  };
-
-  # Set your time zone.
-  time.timeZone = "UTC";
-
-  # List packages installed in system profile. To search, run:
-  # $ nix search wget
   environment.systemPackages = with pkgs; [
-    vim htop git tinc_pre python3
+    tinc_pre
     gitea
   ];
-  environment.variables.EDITOR = "vim";
 
   services.nginx = let
     static-site = srv-dir: {
@@ -74,26 +54,36 @@
         index index.html;
       '';
     };
+    service-stub = {
+      rejectSSL = true;
+      locations."/".return = "403";
+    };
   in {
     enable = true;
     recommendedProxySettings = true;
     virtualHosts = {
       # Static pages
+      "home.ktvb.site" = static-site "home.ktvb.site";
       "wedding.ktvb.site" = static-site "wedding.ktvb.site";
       "www.ktvb.site" = static-site "www.ktvb.site";
-      "mirror.alogoulogoi.com" = static-site "mirror.alogoulogoi.com";
-      "www.alogoulogoi.com" = static-site "www";
-      newtab = {
-        listen = [ { addr = "10.22.20.1"; port = 80; } ];
-        root = "/srv/newtab/";
+      "www.alogoulogoi.com" = static-site "www.alogoulogoi.com";
+      "ecumene.alogoulogoi.com" = static-site "ecumene.alogoulogoi.com";
+      # Home service stub domains
+      "mopidy.home.ktvb.site" = service-stub;
+      "jellyfin.home.ktvb.site" = service-stub;
+      # mirror revproxy
+      "mirror.alogoulogoi.com" = {
+        enableACME = true;
+        forceSSL = true;
         extraConfig = ''
-          access_log /var/log/nginx/access_newtab.log;
-          index index.html;
+          access_log /var/log/nginx/access_mirror.alogoulogoi.com.log;
         '';
+        locations."/".proxyPass = "http://mirror.catacomb.home:7474/";
       };
       # Deny all other subdomains
       "alogoulogoi.com" = {
         default = true;
+        rejectSSL = true;
         locations."/".return = "444";
       };
     };
@@ -103,20 +93,9 @@
     acceptTerms = true;
   };
 
-  services.gitolite = {
-    enable = true;
-    adminPubkey = "ssh-rsa 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 root@empyrean";
-  };
-
-  services.ntp = {
-    enable = true;
-    servers = ["time.nist.gov"];
-  };
-
   services.openssh = {
-    enable = true;
-    passwordAuthentication = false;
-    permitRootLogin = "prohibit-password";
+    settings.PasswordAuthentication = false;
+    settings.PermitRootLogin = "prohibit-password";
   };
 
   services.tinc.networks.beatific = {
@@ -124,36 +103,15 @@
     chroot = false;
   };
 
-  services.nebula.networks.beatific = {
-    enable = true;
-
-    # Network certificate and host credentials
-    ca = "/etc/nebula/beatific/beatific.crt";
-    cert = "/etc/nebula/beatific/empyrean.crt";
-    key = "/etc/nebula/beatific/empyrean.key";
-
-    # This host has a well-known IP at its VPS host, so it can function as a lighthouse/entry node
-    isLighthouse = true;
-
-    # Listen to connection requests from the public Internet
-    listen.port = 4242;
-    listen.host = "vpn.alogoulogoi.com";
-
-    # Don't filter anything at the VPN level
-    firewall.outbound = [ { port = "any"; proto = "any"; host = "any"; } ];
-    firewall.inbound  = [ { port = "any"; proto = "any"; host = "any"; } ];
-
-    settings = {
-      # Enable UDP holepunching both ways, which allows nodes to establish more direct connections with each other
-      punchy = { punch = true; response = true; };
-    };
+  services.intake = {
+    listen = { addr = "10.22.20.1"; };
+    users.tvb.enable = true;
+    users.tvb.extraPackages = [ pkgs.intakeSources pkgs.openssh ];
   };
 
   networking.firewall = {
     enable = true;
-    allowPing = true;
     allowedTCPPorts = [
-      22  # ssh
       80  # http
       443 # https
       655 # tinc
@@ -163,24 +121,13 @@
     ];
   };
 
-  users.users.tvb = {
-    isNormalUser = true;
-    group = "tvb";
-    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
-    openssh.authorizedKeys.keyFiles = [
-      ../../keys/tvb.palamas.pub
-      ../../keys/tvb.stagirite.pub
-    ];
-  };
-  users.groups.tvb = {};
-
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
   # this value at the release version of the first install of this system.
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "20.03"; # Did you read the comment?
+  system.stateVersion = "23.05"; # Did you read the comment?
 
 }
 

machine/empyrean/gitea.nix

@@ -5,12 +5,7 @@
 {
   # Gitea configuration
   services.gitea = {
-    # Enable Gitea and configure for reverse proxy
     enable = true;
-    httpAddress = "127.0.0.1";
-    httpPort = 3300;
-    domain = "git.alogoulogoi.com";
-    rootUrl = "https://git.alogoulogoi.com/";
 
     #useWizard = true;  # Needed for first-time building
 
@@ -22,6 +17,13 @@
       interval = "weekly";
     };
     settings = {
+      "server" = {
+        # Configuration for reverse proxy
+        ROOT_URL = "https://git.alogoulogoi.com/";
+        HTTP_ADDR = "127.0.0.1";
+        HTTP_PORT = 3300;
+        DOMAIN = "git.alogoulogoi.com";
+      };
       "repository" = {
         DEFAULT_PRIVATE = true;
       };
@@ -37,10 +39,13 @@
       "security" = {
         INSTALL_LOCK = true;
       };
+      "session" = {
+        SESSION_LIFE_TIME = 86400 * 7; # 1 week
+      };
       "picture" = {
         DISABLE_GRAVATAR = true;
       };
-      "cron.archive_cleanup".ENABLED = false;
+      #"cron.archive_cleanup".ENABLED = false;  # TODO: figure out why this was enabled
       "cron.sync_external_users".ENABLED = false;
       log.LEVEL = "Info";
       # Private server
@@ -66,5 +71,8 @@
       proxy_pass http://localhost:3300/;
     '';
   };
+
+  # Give tvb group access to gitea config
+  users.users.tvb.extraGroups = [ "gitea" ];
 }
 

machine/empyrean/inquisitor.nix

@@ -1,138 +0,0 @@
-{pkgs, ...}:
-
-let
-  # Import the inquisitor package and build it
-  inquisitorSource = pkgs.fetchFromGitHub {
-    owner = "Jaculabilis";
-    repo = "Inquisitor";
-    rev = "addcb4f1a56c878b58f2e1c38dfd485761b31306";
-    sha256 = "0jjl92nf1y40acdly1kls0mppcadvmgbfr6qwczxni1f1zphw3as";
-  };
-  inquisitor = pkgs.callPackage inquisitorSource { inherit pkgs; };
-
-  # Define the inquisitor data directory
-  inquisiDir = "/var/lib/inquisitor";
-
-  # Define an scp helper for executing in cron jobs
-  scp-helper = pkgs.writeShellScriptBin "scp-helper" ''
-    ${pkgs.openssh}/bin/scp -i ${inquisiDir}/inquisitor.key -oStrictHostKeyChecking=no "$@"
-  '';
-
-  # Define the inquisitor service user
-  inquisitorUser = {
-    name = "inquisitor";
-    group = "inquisitor";
-    description = "Inquisitor service user";
-    isSystemUser = true;
-    shell = pkgs.bashInteractive;
-    packages = [ inquisitor pkgs.cron ];
-  };
-
-  # Create the inquisitor config file in the nix store, pointing to /var/lib/
-  inquisitorConfig = pkgs.writeTextFile {
-    name = "inquisitor.conf";
-    text = ''
-      DataPath = ${inquisiDir}/data/
-      SourcePath = ${inquisiDir}/sources/
-      CachePath = ${inquisiDir}/cache/
-      Verbose = false
-      LogFile = ${inquisiDir}/inquisitor.log
-    '';
-  };
-
-  # Create a setup script to ensure the service directory state
-  inquisitorSetup = pkgs.writeShellScriptBin "inquisitor-setup.sh" ''
-    # Ensure the service directory and the default source directory
-    ${pkgs.coreutils}/bin/mkdir -p ${inquisiDir}/data/inquisitor/
-    ${pkgs.coreutils}/bin/mkdir -p ${inquisiDir}/sources/
-    ${pkgs.coreutils}/bin/mkdir -p ${inquisiDir}/cache/
-    if [ ! -f ${inquisiDir}/data/inquisitor/state ]; then
-      ${pkgs.coreutils}/bin/echo "{}" > ${inquisiDir}/data/inquisitor/state
-    fi
-
-    # Ensure the service owns the folders
-    chown -R ${inquisitorUser.name} ${inquisiDir}
-
-    # Ensure the scp helper is present
-    if [ -f ${inquisiDir}/scp-helper ]; then
-      rm ${inquisiDir}/scp-helper
-    fi
-    ln -s -t ${inquisiDir} ${scp-helper}/bin/scp-helper
-  '';
-
-  # Create a run script for the server
-  inquisitorRun = pkgs.writeShellScriptBin "inquisitor-run.sh" ''
-    cd ${inquisiDir}
-    ${inquisitor}/bin/gunicorn \
-      --bind=localhost:24133 \
-      --workers=4 \
-      --timeout 120 \
-      --log-level debug \
-      "inquisitor.app:wsgi()"
-  '';
-
-  # Create a wrapper to execute the cli as the service user
-  inquisitorWrapper = pkgs.writeShellScriptBin "inq" ''
-    sudo --user=inquisitor ${inquisitor}/bin/inquisitor "$@"
-  '';
-in
-{
-  users.users.inquisitor = inquisitorUser;
-  users.groups.inquisitor = {};
-
-  # Link the config in /etc to avoid envvar shenanigans
-  environment.etc."inquisitor.conf".source = "${inquisitorConfig}";
-
-  # Give all users the inq wrapper
-  environment.systemPackages = [ inquisitorWrapper ];
-
-  # Allow the sudo in the cli wrapper without password
-  security.sudo.extraRules = [{
-    commands = [{
-      command = "${inquisitor}/bin/inquisitor";
-      options = [ "NOPASSWD" ];
-    }];
-    runAs = "${inquisitorUser.name}";
-    groups = [ "users" ];
-  }];
-
-  # Run the setup script on activation
-  system.activationScripts.inquisitorSetup = "${inquisitorSetup}/bin/inquisitor-setup.sh";
-
-  # Set up the inquisitor service
-  systemd.services.inquisitor =
-  {
-    description = "Inquisitor server";
-    script = "${inquisitorRun}/bin/inquisitor-run.sh";
-    serviceConfig = {
-      User = "${inquisitorUser.name}";
-      Type = "simple";
-    };
-    wantedBy = [ "multi-user.target" ];
-    after = [ "network.target" ];
-    enable = true;
-  };
-
-  # Set up nginx to reverse proxy from the beatific url to the inq server
-  services.nginx.enable = true;
-  services.nginx.virtualHosts.inquisitorHost = {
-    listen = [ { addr = "10.22.20.1"; port = 80; } ];
-    locations."/".extraConfig = ''
-      access_log /var/log/nginx/access.inquisitor.log;
-      proxy_buffering off;
-      proxy_pass http://localhost:24133/;
-    '';
-  };
-
-  # Allow nginx through the firewall
-  networking.firewall = {
-    allowedTCPPorts = [
-      80  # http
-      443 # https
-    ];
-  };
-
-  # Enable cron, but don't set up any system cron jobs
-  # Inquisitor updates will be managed manually
-  services.cron.enable = true;
-}

machine/empyrean/redstring.nix

@@ -1,120 +0,0 @@
-# redstring server module
-{ pkgs, ... }:
-
-let
-  # Import package
-  redstringSource = builtins.fetchGit {
-    url = "https://git.alogoulogoi.com/Jaculabilis/redstring.git";
-    ref = "master";
-    rev = "91dd353ad1d48118452a949b15e100b3035bf297";
-  };
-  redstring = pkgs.callPackage redstringSource {};
-
-  # Define the data directory
-  redstringDir = "/var/lib/redstring/";
-  redstringData = "${redstringDir}docs/";
-
-  # Define the service user
-  redstringUser = {
-    name = "redstring";
-    description = "redstring service user";
-    group = "redstring";
-    isSystemUser = true;
-  };
-
-  # Create the public server config file in the nix store
-  publicConfigAttrs = {
-    root = redstringData;
-    edit = false;
-  };
-  publicConfig = pkgs.writeTextFile { name = "redstring-config-external.json"; text = (builtins.toJSON publicConfigAttrs); };
-
-  # Create the private server config file in the nix store
-  privateConfig = pkgs.writeTextFile {
-    name = "redstring-config-internal.json";
-    text = (builtins.toJSON {
-      root = redstringData;
-      edit = true;
-    });
-  };
-
-  # Create a setup script to ensure the data directory exists
-  redstringSetup = pkgs.writeShellScriptBin "redstring-setup.sh" ''
-    # Ensure the service directory
-    ${pkgs.coreutils}/bin/mkdir -p ${redstringData}
-
-    # Ensure ownership
-    chown -R ${redstringUser.name} ${redstringDir}
-    chmod 700 ${redstringDir}
-  '';
-
-  # Create a run script for the public server
-  publicRun = pkgs.writeShellScriptBin "redstring-run-external.sh" ''
-    cd ${redstringDir}
-    ${redstring}/bin/gunicorn \
-      --bind=localhost:24144 \
-      --workers=3 \
-      --log-level debug \
-      --env REDSTRING_CONFIG=${publicConfig} \
-      "redstring.server:wsgi()"
-  '';
-
-  # Create a run script for the private server
-  privateRun = pkgs.writeShellScriptBin "redstring-run-internal.sh" ''
-    cd ${redstringDir};
-    ${redstring}/bin/gunicorn \
-      --bind=10.7.3.1:24145 \
-      --workers=3 \
-      --log-level debug \
-      --env REDSTRING_CONFIG=${privateConfig} \
-      "redstring.server:wsgi()"
-  '';
-in
-{
-  users.users.redstring = redstringUser;
-  users.groups.redstring = {};
-
-  # Run the setup script on activation
-  system.activationScripts.redstringSetup = "${redstringSetup}/bin/redstring-setup.sh";
-
-  # Set up the public redstring service
-  systemd.services."redstring-public" =
-  {
-    description = "redstring public read-only server";
-    script = "${publicRun}/bin/redstring-run-external.sh";
-    serviceConfig = {
-      User = "${redstringUser.name}";
-      Type = "simple";
-    };
-    wantedBy = [ "multi-user.target" ];
-    after = [ "network.target" ];
-    enable = true;
-  };
-
-  # Set up the private redstring service
-  systemd.services."redstring-private" =
-  {
-    description = "redstring private editable server";
-    script = "${privateRun}/bin/redstring-run-internal.sh";
-    serviceConfig = {
-      User = redstringUser.name;
-      Type = "simple";
-    };
-    wantedBy = [ "multi-user.target" ];
-    after = [ "network.target" ];
-    enable = true;
-  };
-
-  # Configure nginx to forward to the public server at the docs subdomain
-  services.nginx.virtualHosts."docs.alogoulogoi.com" = {
-    enableACME = true;
-    forceSSL = true;
-    extraConfig = ''
-      access_log /var/log/nginx/access.docs.log;
-    '';
-    locations."/".proxyPass = "http://localhost:24144";
-  };
-
-  # Open the firewall to the private server's port
-  networking.firewall.allowedTCPPorts = [ 24145 ];
-}

machine/empyrean/sync-pipeline.nix

@@ -0,0 +1,75 @@
+{ pkgs, ... }:
+
+# exiftool config and script based on that of @numinit
+
+let
+  # An exiftool config that adds the OriginTimestamp property containing the best guess for file creation time
+  exiftool-config = pkgs.writeText "exiftool.config" ''
+    %Image::ExifTool::UserDefined = (
+        'Image::ExifTool::Composite' => {
+          OriginTimestamp => {
+            Desire => {
+              0 => 'CreateDate',
+              1 => 'DateTimeOriginal',
+              2 => 'FileModifyDate'
+            },
+            ValueConv => '$val[0] || $val[1] || $val[2] || undef',
+            PrintConv => '$self->ConvertDateTime($val)',
+            PrintConvInv => '$self->InverseDateTime($val)'
+          }
+        }
+      )
+    '';
+
+  # A tool to use `find` and `exiftool` to sort images into YMD folders
+  sibd = pkgs.writeShellScriptBin "sort-images-by-date" ''
+    set -euo pipefail
+
+    if [ $# -lt 3 ]; then
+      echo "Usage: $0 [prefix] [src] [dest] [exiftool args...]" >&2
+      exit 1
+    fi
+
+    prefix="$1"
+    src="$2"
+    dest="$3"
+    # Remove $1, $2, $3 from $@ so the remainder can be passed to exiftool
+    shift; shift; shift
+
+    # This find expression matches .jpg/.png modified 14+ days ago.
+    # The -not (-name -prune) expressions exclude directories from the results by name.
+    # The exiftool command will move matched files to $dest/$prefix/year/month/day/filename.ext.
+    #   -config loads the config defined above, which adds the OriginTimestamp composite property
+    #   -filename tells exiftool to move each file to a new filename, $OriginTimestamp
+    #   -d defines how the timestamp will be converted to a string, which ends up handling the pathing
+    ${pkgs.findutils}/bin/find $src \
+      -not \( -name FalseKnees -prune \) \
+      -not \( -name Background -prune \) \
+      -type f \
+      -mtime +14 \
+      \( -name "*.jpg" -or -name "*.png" \) \
+      -exec ${pkgs.exiftool}/bin/exiftool \
+        -config ${exiftool-config} \
+        -api largefilesupport=1 \
+        -progress \
+        -filename'<OriginTimestamp' \
+        -d "''${dest}/''${prefix}/%Y-%m-%d/%%f%%-c.%%le" \
+        "$@" \
+        {} +
+  '';
+
+  # Script for cron jobs that sends output to journalctl -t sync-pipeline
+  sibd-cron = prefix: src: dest: pkgs.writeShellScript "sibd-cron" ''
+    ${pkgs.systemd}/bin/systemd-cat -t sync-pipeline ${sibd}/bin/sort-images-by-date ${prefix} ${src} ${dest}
+  '';
+in {
+  environment.systemPackages = [ sibd ];
+
+  services.cron = {
+    enable = true;
+    systemCronJobs = [
+      "0 0 * * 1 tvb ${sibd-cron "nokia" "/home/tvb/phone-sync/DCIM" "/home/tvb/phone-sync/staging"}"
+      "0 0 * * 1 tvb ${sibd-cron "nokia" "/home/tvb/phone-sync/Pictures" "/home/tvb/phone-sync/staging"}"
+    ];
+  };
+}

machine/imperium/default.nix

@@ -0,0 +1,80 @@
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [
+      ./hardware-configuration.nix
+    ];
+
+  beatific.hostName = "imperium";
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.networkmanager.enable = true;
+
+  time.timeZone = "America/Los_Angeles";
+
+  services.xserver = {
+    enable = true;
+    displayManager.gdm.enable = true;
+    desktopManager.gnome.enable = true;
+
+    # keyboard
+    layout = "us";
+    xkbVariant = "";
+  };
+
+  # Enable sound with pipewire.
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  # This seems to be sufficient to autodetect the printing functionality of HP OfficeJet 6950
+  services.printing.enable = true;
+  services.printing.drivers = [ pkgs.hplip ];
+  services.avahi = {
+    enable = true;
+    nssmdns = true;
+    openFirewall = true;
+  };
+
+  users.users.tvb = {
+    extraGroups = [ "networkmanager" ];
+  };
+
+  # Configs needed to run TF2 on integrated graphics
+  programs.steam.enable = true;
+  nixpkgs.config.allowUnfree = true;
+  services.xserver.videoDrivers = [ "i915" ];
+  hardware.opengl.enable = true;
+  hardware.opengl.driSupport32Bit = true;
+
+  beatific.extraPrograms = true;
+  environment.systemPackages = with pkgs; [
+    comic-mono
+    firefox
+    gnome.gnome-terminal
+    libreoffice
+    mpv
+    obsidian
+    unzip
+  ];
+
+  networking.firewall = {
+    enable = false;
+  };
+
+  # This value governs how some stateful data, like databases, are handled
+  # across different versions of NixOS. This should not be changed to a new
+  # release unless the sysadmin has determined that no services would be
+  # adversely affected by changing this.
+  system.stateVersion = "23.11";
+}

machine/imperium/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# 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 + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/75addc56-2a0d-431e-a0c5-f6ee0e370e61";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/610F-1EB7";
+      fsType = "vfat";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/cc464bb4-e1c8-46c0-adbb-ea1a3cfa5b03"; }
+    ];
+
+  # 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 true;
+  # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

machine/stagirite/default.nix

@@ -16,9 +16,10 @@ in
     startMenuLaunchers = false;
   };
 
-  system.stateVersion = "21.11";
+  #system.stateVersion = "21.11";
 
   networking.hostName = "stagirite";
+  beatific.defaults.tvbSync = false;
 
   fileSystems.winssh = {
     device = "C:/Users/tvb/.ssh";

machine/unfolder/default.nix

@@ -0,0 +1,103 @@
+{ config, pkgs, lib, ... }:
+
+{
+  imports =
+    [
+      ./hardware-configuration.nix
+    ];
+
+  beatific.hostName = "unfolder";
+  beatific.extraPrograms = true;
+
+  # Bootloader.
+  boot.loader.grub = {
+    enable = true;
+    device = "/dev/sda";
+  };
+
+  networking.networkmanager.enable = true;
+
+  # Override time zone to PST
+  time.timeZone = "America/Los_Angeles";
+
+  # Enable Gnome because it has a virtual keyboard for tablet mode
+  services.xserver = {
+    enable = true;
+    displayManager.gdm.enable = true;
+    desktopManager.gnome.enable = true;
+
+    # keymap configuration
+    layout = "us";
+    xkbVariant = "";
+  };
+
+  # Enable sound with pipewire.
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  systemd.user.services.yoga-rotate = {
+    enable = false; # TODO
+    description = "ThinkPad Yoga display rotation";
+    #wantedBy = ["multi-user.target"];
+    wantedBy = [ "graphical-session.target" ];
+    #requires = ["display-manager.service"];
+    partOf = [ "graphical-session.target" ];
+    #after = ["display-manager.service"];
+    path = [ pkgs.gnome-randr ];
+    serviceConfig = {
+      #Type = "simple";
+      ExecStart = "${pkgs.python3}/bin/python /home/tvb/rotate.py";
+      #KillMode = "process";
+      #User = "tvb";
+      Restart = "on-failure";
+      RestartSec = 5;
+    };
+    #environment = {
+    #  DISPLAY = ":0";
+    #  XAUTHORITY = "/home/tvb/.Xauthority";
+    #};
+  };
+
+  users.users.tvb = {
+    extraGroups = [ "networkmanager" ];
+    packages = with pkgs; [
+      gnome-randr python3
+    ];
+  };
+
+  nixpkgs.config.allowUnfree = true;
+  environment.systemPackages = with pkgs; [
+    comic-mono
+    firefox
+    gnome.gnome-terminal
+    libreoffice
+    obsidian
+    mpv
+  ];
+
+  networking.firewall = {
+    enable = true;
+  };
+
+  # This seems to be sufficient to autodetect the printing functionality of HP OfficeJet 6950
+  services.printing.enable = true;
+  services.printing.drivers = [ pkgs.hplip ];
+  services.avahi = {
+    enable = true;
+    nssmdns = true;
+    openFirewall = true;
+  };
+
+  # This value governs how some stateful data, like databases, are handled
+  # across different versions of NixOS. This should not be changed to a new
+  # release unless the sysadmin has determined that no services would be
+  # adversely affected by changing this.
+  system.stateVersion = "22.11";
+}

machine/unfolder/hardware-configuration.nix

@@ -0,0 +1,34 @@
+# 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 + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/3a4363d6-c437-45ab-9f35-6831eb4a2cd8";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/4a083b38-322e-4d35-9877-a8dc1cda21d5"; }
+    ];
+
+  # 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 true;
+  # networking.interfaces.wlp4s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

modules/ascii.nix

@@ -0,0 +1,46 @@
+{
+  beatific = ''
+     ____  ______       _______ _____ ______ _____  ______  ./|,,/|
+    |  _ \|  ____|  /\ |__   __|_   _|  ____|_   _|/ ____/ <  o  o|
+    | |_) | |__    /  \   | |    | | | |__    | | | |     <\ (    |
+    |  _ <|  __|  / /\ \  | |    | | |  __|   | | | |    <\\  |\  |
+    | |_) | |____/ ____ \ | |   _| |_| |     _| |_| |___<\\\  |(__)
+    |____/|_____/_/    \_\|_|  |_____|_|    |_____|\_____|\\  |
+  '';
+
+  backyard = ''
+     ____          ______ _   ____     __       _____  _____    ./|,,/|
+    |  _ \   /\   / ____/| | / /\ \   / / /\   |  __ \|  __ \  <  o  o|
+    | |_) | /  \ | |     | |/ /  \ \ / / /  \  | |__) | |  | |</ (    |
+    |  _ < / /\ \| |     |   <    \ V / / /\ \ |  _  /| |  | |//  |\  |
+    | |_) / ____ | |____ | |\ \    | | / ____ \| | \ \| |__| |//  |(__)
+    |____/_/    \_\_____\|_| \_\   |_|/_/    \_|_|  \_|_____////  |
+  '';
+
+  catacomb = ''
+      ______       _______        ______ ____  __    __ ____   ./|,,/|
+     / ____/   /\ |__   __| /\   / ____// __ \|  \  /  |  _ \ <  o  o|
+    | |       /  \   | |   /  \ | |    | |  | | . \/ . | |_) |  (    |
+    | |      / /\ \  | |  / /\ \| |    | |  | | |\  /| |  _ <\\  |\  |
+    | |____ / ____ \ | | / ____ | |__ _| |__| | | \/ | | |_) |\  |(__)
+     \_____/_/    \_\|_|/_/    \_\_____\\____/|_|    |_|____/\\  |
+  '';
+
+  empyrean = ''
+     ______ __    __ _______     _______  ______          _   _   ./|,,/|
+    |  ____|  \  /  |  __ \ \   / |  __ \|  ____|   /\   | \ | | <  o  o|
+    | |__  | . \/ . | |__) \ \ / /| |__) | |__     /  \  |  \| |</ (    |
+    |  __| | |\  /| |  ___/ \ V / |  _  /|  __|   / /\ \ | . ' |//  |\  |
+    | |____| | \/ | | |      | |  | | \ \| |____ / ____ \| |\  |//  |(__)
+    |______|_|    |_|_|      |_|  |_|  \_|______/_/    \_|_| \_|//  |
+  '';
+
+  unfolder = ''
+     _    _ _   _ ______  ____  _     _____  ______ _____   ./|,,/|
+    | |  | | \ | |  ____|/ __ \| |   |  __ \|  ____|  __ \ <  o  o|
+    | |  | |  \| | |__  | |  | | |   | |  | | |__  | |__) |\ (    |
+    | |  | | . ' |  __| | |  | | |   | |  | |  __| |  _  /\\  |\  |
+    | |__| | |\  | |    | |__| | |___| |__| | |____| | \ \\\  |(__)
+     \____/|_| \_|_|     \____/|_____|_____/|______|_| <\_\\  |
+  '';
+}

modules/bashrc

@@ -0,0 +1,32 @@
+# Set the title bar to user@host: pwd
+_TITLE_BAR="\u@\h: \w"
+_SET_TITLE_BAR="\[\e]0;$_TITLE_BAR\a\]"
+# Shorten $HOME to ~ in PWD
+_pwd_home () {
+	if [[ "$PWD" =~ ^"$HOME"(/|$) ]]; then
+		echo "~${PWD#$HOME}"
+	else
+		echo $PWD
+	fi
+}
+# Shorten path dir names
+_pwd () {
+	DIR=$(_pwd_home)
+	[ "$DIR" != "/" ] && [ "$DIR" != "~" ] && printf '%s/' $(dirname "$DIR" | tr / '\n' | cut -c-1)
+	printf "$(basename "$DIR")"
+}
+_DIR='$(_pwd)'
+# Color codes
+_GREEN="\[\033[32;1m\]"
+_DIM="\[\e[32;2m\]"
+_OLIVE="\[\e[33;2m\]"
+_RESET="\[\e[0m\]"
+_HOST=$(if [ -z "$SSH_CLIENT" ]; then echo $_DIM; else echo $_OLIVE; fi)
+# Nested shell level
+_SHLVL=$(printf '\$%.0s' $(seq 1 $SHLVL))
+# SSH detection
+_SSH='$([ ! -z "$SSH_CLIENT" ] && echo "=>")'
+# Build prompt
+export PS1="$_SET_TITLE_BAR$_DIM[\A \u@$_RESET$_HOST\h$_DIM:$_RESET$_GREEN$_DIR$_RESET$_DIM]$_SHLVL$_RESET "
+
+export HISTCONTROL=ignoreboth

modules/beatific.nix

@@ -1,23 +1,252 @@
-# Shared configuration values
-let
-  nebula-port = 4242;
-  empyrean-vpn-ip = "10.22.20.1";
-  empyrean-ext-dns = "vpn.alogoulogoi.com";
-in {
-  nebula-defaults = {
-    listen.port = nebula-port;
+{ config, lib, pkgs, ... }:
 
-    # Don't filter at the VPN level
+let
+  inherit (lib) mkDefault mkIf mkMerge mkOption mkOverride types;
+  cfg = config.beatific;
+  mkFlag = description: mkOption {
+    type = types.bool;
+    inherit description;
+    default = true;
+  };
+in {
+  options = {
+    beatific = {
+      # The host name is reused for beatific-specific configuration.
+      # The bulk of common config is handled in beatific.defaults below, but
+      # having one option without a default ensures that the module cannot be
+      # imported accidentally.
+      hostName = mkOption {
+        type = types.str;
+        description = "Hostname";
+      };
+
+      isLighthouse = mkOption {
+        type = types.bool;
+        description = "Whether this host is a Nebula lighthouse";
+        default = false;
+      };
+
+      extraPrograms = mkOption {
+        type = types.bool;
+        description = "Additional default programs";
+        default = false;
+      };
+
+      # Groups of related defaults can be disabled by flipping off the switches here:
+      #   beatific.defaults.${category} = false;
+      # They default to true because the point is to do these things by default.
+      defaults = {
+        time = mkFlag "Default time zone and NTP";
+        i18n = mkFlag "Default locale settings";
+        programs = mkFlag "Default installed programs";
+        ssh = mkFlag "Default sshd settings";
+        nebula = mkFlag "Default beatific nebula settings";
+        tvb = mkFlag "Default tvb account";
+        tvbSync = mkFlag "Configure system syncthing for tvb";
+        hosts = mkFlag "Default 10.22.20.* DNS host entries";
+      };
+    };
+  };
+
+  config = mkMerge [
+    {
+      # Options to always set
+      networking.hostName = cfg.hostName;
+      nix.extraOptions = "experimental-features = nix-command flakes";
+      # Link /etc/nixos to the flake source
+      environment.etc.nixos.source = ./..;
+      environment.etc."bashrc.local".source = ./bashrc;
+      environment.shellAliases = {
+        # Shortcut for nixos-rebuild
+        nr = "sudo nixos-rebuild --fast --flake $HOME/nixos-configs";
+        # Always preserve mode, ownership, ts with copy
+        cp = "cp -rp";
+        xo = "xdg-open";
+        smv = "rsync -v --remove-source-files";
+        ".." = "cd ..";
+        "..." = "cd ../..";
+        "...." = "cd ../../..";
+        "....." = "cd ../../../..";
+      };
+      security.sudo.extraRules = [{
+        users = [ "tvb" ];
+        commands = [ { command = "/run/current-system/sw/bin/nixos-rebuild"; options = [ "NOPASSWD" ]; } ];
+      }];
+    }
+
+    (mkIf cfg.defaults.time {
+      # mkDefault time zone to make it easy to configure it to non-UTC
+      time.timeZone = mkDefault "UTC";
+      services.ntp.enable = true;
+      services.ntp.servers = [ "time.nist.gov" ];
+    })
+
+    (mkIf cfg.defaults.i18n {
+      # en_US.UTF-8
+      i18n.defaultLocale = "en_US.UTF-8";
+      i18n.extraLocaleSettings = {
+        LC_ADDRESS = "en_US.UTF-8";
+        LC_IDENTIFICATION = "en_US.UTF-8";
+        LC_MEASUREMENT = "en_US.UTF-8";
+        LC_MONETARY = "en_US.UTF-8";
+        LC_NAME = "en_US.UTF-8";
+        LC_NUMERIC = "en_US.UTF-8";
+        LC_PAPER = "en_US.UTF-8";
+        LC_TELEPHONE = "en_US.UTF-8";
+        LC_TIME = "en_US.UTF-8";
+      };
+    })
+
+    (mkIf cfg.defaults.programs {
+      environment.systemPackages = with pkgs; [
+        bc  # Terminal calculator
+        curl
+        duf
+        exiftool
+        file  # File type inspector
+        htmlq   # jq for html
+        jq      # jq for json
+        nebula
+        psmisc  # provides killall
+        python3
+        rsync
+        sqlite
+        tree  # Directory tree view
+        unzip
+        vim
+        wget
+        zip
+        (writeShellScriptBin "clip" ''
+          ${xclip}/bin/xclip -sel c < $1
+        '')
+      ];
+      programs = {
+        git = {
+          enable = true;
+          config.init.defaultBranch = "master";
+        };
+        htop.enable = true;
+      };
+      # The nixpkgs default is "nano", so we go one priority higher
+      environment.variables.EDITOR = mkOverride 999 "vim";
+    })
+
+    (mkIf cfg.extraPrograms {
+      environment.systemPackages = with pkgs; [
+        calibre  # provides ebook-convert
+        imagemagick  # image convertion cli
+        puddletag  # mp3 tag editor
+        tesseract  # OCR engine
+      ];
+    })
+
+    (mkIf cfg.defaults.ssh {
+      services.openssh.enable = true;
+      services.openssh.banner = let
+        ascii = import ./ascii.nix;
+      in ascii.${cfg.hostName} or ascii.beatific;
+      networking.firewall.allowPing = true;
+      networking.firewall.allowedTCPPorts = [ 22 ];
+    })
+
+    (mkIf cfg.defaults.nebula {
+      services.nebula.networks.beatific = let
+        empyreanExternalDns = "vpn.alogoulogoi.com";
+        empyreanInternalIp = "10.22.20.1";
+        nebulaPort = 4242;
+      in {
+        enable = true;
+
+        # The lighthouse only listens on the designated subdomain
+        listen.host = if cfg.isLighthouse then empyreanExternalDns else "0.0.0.0";
+        listen.port = nebulaPort;
+
+        # Standard certificate paths
+        ca = "/etc/nebula/beatific/beatific.crt";
+        cert = "/etc/nebula/beatific/${cfg.hostName}.crt";
+        key = "/etc/nebula/beatific/${cfg.hostName}.key";
+
+        isLighthouse = cfg.isLighthouse;
+        # Non-lighthouses connect to the lighthouse at empyrean
+        # This should be a VPN address in the static host map
+        lighthouses = mkIf (! cfg.isLighthouse) [ empyreanInternalIp ];
+
+        # Currently there is no VPN-level traffic filtering
         firewall.outbound = [ { port = "any"; proto = "any"; host = "any"; } ];
         firewall.inbound  = [ { port = "any"; proto = "any"; host = "any"; } ];
 
+        # Map the lighthouse address to its public address
+        staticHostMap = { ${empyreanInternalIp} = [ "${empyreanExternalDns}:${toString nebulaPort}" ]; };
+
         settings = {
           # Enable UDP holepunching both ways, which allows nodes to establish more direct connections with each other
           punchy = { punch = true; response = true; };
         };
       };
+    })
 
-  inherit empyrean-vpn-ip;
-  empyrean-host-map = { ${empyrean-vpn-ip} = [ "${empyrean-ext-dns}:${toString nebula-port}" ]; };
+    (mkIf cfg.defaults.tvb {
+      users.groups.tvb = {};
+      users.users.tvb = {
+        isNormalUser = true;
+        group = "tvb";
+        extraGroups = [ "wheel" ];
+        initialPassword = "password";
+        openssh.authorizedKeys.keyFiles = (import ../keys).tvb;
+      };
+    })
+
+    (mkIf cfg.defaults.tvbSync {
+      # I haven't gotten user services to work correctly yet,
+      # so for now, tvb monopolizes the system syncthing instance.
+      # Adding users in the future should probably involve multiple
+      # system services so as not to require login to sync.
+      services.syncthing = {
+        enable = true;
+        configDir = "/home/tvb/.config/syncthing";
+        # this doesn't prevent syncthing from putting sync points in other locations, it's just a default
+        # normally it would make sense to put it at ~ but see https://github.com/NixOS/nixpkgs/pull/273693
+        dataDir = "/home/tvb/.config/syncthing";
+        openDefaultPorts = true;
+        user = "tvb";
+        group = "tvb";
+      };
+    })
+
+    (mkIf cfg.defaults.hosts {
+      # Create *.home host entries for all the beatific members
+      networking.hosts = {
+        "10.22.20.1" = [
+          "empyrean.home"
+        ];
+        "10.22.20.2" = [
+          "catacomb.home"
+          "mirror.catacomb.home"
+        ];
+        "10.22.20.3" = [
+          "palamas.home"
+        ];
+        "10.22.20.4" = [
+          "stagirite.home"
+        ];
+        "10.22.20.5" = [
+          "vagrant.home"
+        ];
+        "10.22.20.6" = [
+          "unfolder.home"
+        ];
+        "10.22.20.7" = [
+          "centroid.home"
+          "mopidy.home.ktvb.site"
+        ];
+        "10.22.20.8" = [
+          "backyard.home"
+          "jellyfin.home.ktvb.site"
+        ];
+        "10.22.20.9" = [
+          "imperium.home"
+        ];
+      };
+    })
+  ];
 }
-

modules/syncthings.nix

@@ -0,0 +1,722 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.syncthing;
+  opt = options.services.syncthing;
+  defaultUser = "syncthing";
+  defaultGroup = defaultUser;
+  settingsFormat = pkgs.formats.json { };
+  cleanedConfig = converge (filterAttrsRecursive (_: v: v != null && v != {})) cfg.settings;
+
+  isUnixGui = (builtins.substring 0 1 cfg.guiAddress) == "/";
+
+  # Syncthing supports serving the GUI over Unix sockets. If that happens, the
+  # API is served over the Unix socket as well.  This function returns the correct
+  # curl arguments for the address portion of the curl command for both network
+  # and Unix socket addresses.
+  curlAddressArgs = path: if isUnixGui
+    # if cfg.guiAddress is a unix socket, tell curl explicitly about it
+    # note that the dot in front of `${path}` is the hostname, which is
+    # required.
+    then "--unix-socket ${cfg.guiAddress} http://.${path}"
+    # no adjustements are needed if cfg.guiAddress is a network address
+    else "${cfg.guiAddress}${path}"
+    ;
+
+  devices = mapAttrsToList (_: device: device // {
+    deviceID = device.id;
+  }) cfg.settings.devices;
+
+  folders = mapAttrsToList (_: folder: folder //
+    throwIf (folder?rescanInterval || folder?watch || folder?watchDelay) ''
+      The options services.syncthing.settings.folders.<name>.{rescanInterval,watch,watchDelay}
+      were removed. Please use, respectively, {rescanIntervalS,fsWatcherEnabled,fsWatcherDelayS} instead.
+    '' {
+    devices = map (device:
+      if builtins.isString device then
+        { deviceId = cfg.settings.devices.${device}.id; }
+      else
+        device
+    ) folder.devices;
+  }) (filterAttrs (_: folder:
+    folder.enable
+  ) cfg.settings.folders);
+
+  jq = "${pkgs.jq}/bin/jq";
+  updateConfig = pkgs.writers.writeBash "merge-syncthing-config" (''
+    set -efu
+
+    # be careful not to leak secrets in the filesystem or in process listings
+    umask 0077
+
+    curl() {
+        # get the api key by parsing the config.xml
+        while
+            ! ${pkgs.libxml2}/bin/xmllint \
+                --xpath 'string(configuration/gui/apikey)' \
+                ${cfg.configDir}/config.xml \
+                >"$RUNTIME_DIRECTORY/api_key"
+        do sleep 1; done
+        (printf "X-API-Key: "; cat "$RUNTIME_DIRECTORY/api_key") >"$RUNTIME_DIRECTORY/headers"
+        ${pkgs.curl}/bin/curl -sSLk -H "@$RUNTIME_DIRECTORY/headers" \
+            --retry 1000 --retry-delay 1 --retry-all-errors \
+            "$@"
+    }
+  '' +
+
+  /* Syncthing's rest API for the folders and devices is almost identical.
+  Hence we iterate them using lib.pipe and generate shell commands for both at
+  the sime time. */
+  (lib.pipe {
+    # The attributes below are the only ones that are different for devices /
+    # folders.
+    devs = {
+      new_conf_IDs = map (v: v.id) devices;
+      GET_IdAttrName = "deviceID";
+      override = cfg.overrideDevices;
+      conf = devices;
+      baseAddress = curlAddressArgs "/rest/config/devices";
+    };
+    dirs = {
+      new_conf_IDs = map (v: v.id) folders;
+      GET_IdAttrName = "id";
+      override = cfg.overrideFolders;
+      conf = folders;
+      baseAddress = curlAddressArgs "/rest/config/folders";
+    };
+  } [
+    # Now for each of these attributes, write the curl commands that are
+    # identical to both folders and devices.
+    (mapAttrs (conf_type: s:
+      # We iterate the `conf` list now, and run a curl -X POST command for each, that
+      # should update that device/folder only.
+      lib.pipe s.conf [
+        # Quoting https://docs.syncthing.net/rest/config.html:
+        #
+        # > PUT takes an array and POST a single object. In both cases if a
+        # given folder/device already exists, it’s replaced, otherwise a new
+        # one is added.
+        #
+        # What's not documented, is that using PUT will remove objects that
+        # don't exist in the array given. That's why we use here `POST`, and
+        # only if s.override == true then we DELETE the relevant folders
+        # afterwards.
+        (map (new_cfg: ''
+          curl -d ${lib.escapeShellArg (builtins.toJSON new_cfg)} -X POST ${s.baseAddress}
+        ''))
+        (lib.concatStringsSep "\n")
+      ]
+      /* If we need to override devices/folders, we iterate all currently configured
+      IDs, via another `curl -X GET`, and we delete all IDs that are not part of
+      the Nix configured list of IDs
+      */
+      + lib.optionalString s.override ''
+        stale_${conf_type}_ids="$(curl -X GET ${s.baseAddress} | ${jq} \
+          --argjson new_ids ${lib.escapeShellArg (builtins.toJSON s.new_conf_IDs)} \
+          --raw-output \
+          '[.[].${s.GET_IdAttrName}] - $new_ids | .[]'
+        )"
+        for id in ''${stale_${conf_type}_ids}; do
+          curl -X DELETE ${s.baseAddress}/$id
+        done
+      ''
+    ))
+    builtins.attrValues
+    (lib.concatStringsSep "\n")
+  ]) +
+  /* Now we update the other settings defined in cleanedConfig which are not
+  "folders" or "devices". */
+  (lib.pipe cleanedConfig [
+    builtins.attrNames
+    (lib.subtractLists ["folders" "devices"])
+    (map (subOption: ''
+      curl -X PUT -d ${lib.escapeShellArg (builtins.toJSON cleanedConfig.${subOption})} ${curlAddressArgs "/rest/config/${subOption}"}
+    ''))
+    (lib.concatStringsSep "\n")
+  ]) + ''
+    # restart Syncthing if required
+    if curl ${curlAddressArgs "/rest/config/restart-required"} |
+       ${jq} -e .requiresRestart > /dev/null; then
+        curl -X POST ${curlAddressArgs "/rest/system/restart"}
+    fi
+  '');
+in {
+  ###### interface
+  options = {
+    services.syncthing = {
+
+      enable = mkEnableOption
+        (lib.mdDoc "Syncthing, a self-hosted open-source alternative to Dropbox and Bittorrent Sync");
+
+      cert = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        description = mdDoc ''
+          Path to the `cert.pem` file, which will be copied into Syncthing's
+          [configDir](#opt-services.syncthing.configDir).
+        '';
+      };
+
+      key = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        description = mdDoc ''
+          Path to the `key.pem` file, which will be copied into Syncthing's
+          [configDir](#opt-services.syncthing.configDir).
+        '';
+      };
+
+      overrideDevices = mkOption {
+        type = types.bool;
+        default = true;
+        description = mdDoc ''
+          Whether to delete the devices which are not configured via the
+          [devices](#opt-services.syncthing.settings.devices) option.
+          If set to `false`, devices added via the web
+          interface will persist and will have to be deleted manually.
+        '';
+      };
+
+      overrideFolders = mkOption {
+        type = types.bool;
+        default = true;
+        description = mdDoc ''
+          Whether to delete the folders which are not configured via the
+          [folders](#opt-services.syncthing.settings.folders) option.
+          If set to `false`, folders added via the web
+          interface will persist and will have to be deleted manually.
+        '';
+      };
+
+      settings = mkOption {
+        type = types.submodule {
+          freeformType = settingsFormat.type;
+          options = {
+            # global options
+            options = mkOption {
+              default = {};
+              description = mdDoc ''
+                The options element contains all other global configuration options
+              '';
+              type = types.submodule ({ name, ... }: {
+                freeformType = settingsFormat.type;
+                options = {
+                  localAnnounceEnabled = mkOption {
+                    type = types.nullOr types.bool;
+                    default = null;
+                    description = lib.mdDoc ''
+                      Whether to send announcements to the local LAN, also use such announcements to find other devices.
+                    '';
+                  };
+
+                  localAnnouncePort = mkOption {
+                    type = types.nullOr types.int;
+                    default = null;
+                    description = lib.mdDoc ''
+                      The port on which to listen and send IPv4 broadcast announcements to.
+                    '';
+                  };
+
+                  relaysEnabled = mkOption {
+                    type = types.nullOr types.bool;
+                    default = null;
+                    description = lib.mdDoc ''
+                      When true, relays will be connected to and potentially used for device to device connections.
+                    '';
+                  };
+
+                  urAccepted = mkOption {
+                    type = types.nullOr types.int;
+                    default = null;
+                    description = lib.mdDoc ''
+                      Whether the user has accepted to submit anonymous usage data.
+                      The default, 0, mean the user has not made a choice, and Syncthing will ask at some point in the future.
+                      "-1" means no, a number above zero means that that version of usage reporting has been accepted.
+                    '';
+                  };
+
+                  limitBandwidthInLan = mkOption {
+                    type = types.nullOr types.bool;
+                    default = null;
+                    description = lib.mdDoc ''
+                      Whether to apply bandwidth limits to devices in the same broadcast domain as the local device.
+                    '';
+                  };
+
+                  maxFolderConcurrency = mkOption {
+                    type = types.nullOr types.int;
+                    default = null;
+                    description = lib.mdDoc ''
+                      This option controls how many folders may concurrently be in I/O-intensive operations such as syncing or scanning.
+                      The mechanism is described in detail in a [separate chapter](https://docs.syncthing.net/advanced/option-max-concurrency.html).
+                    '';
+                  };
+                };
+              });
+            };
+
+            # device settings
+            devices = mkOption {
+              default = {};
+              description = mdDoc ''
+                Peers/devices which Syncthing should communicate with.
+
+                Note that you can still add devices manually, but those changes
+                will be reverted on restart if [overrideDevices](#opt-services.syncthing.overrideDevices)
+                is enabled.
+              '';
+              example = {
+                bigbox = {
+                  id = "7CFNTQM-IMTJBHJ-3UWRDIU-ZGQJFR6-VCXZ3NB-XUH3KZO-N52ITXR-LAIYUAU";
+                  addresses = [ "tcp://192.168.0.10:51820" ];
+                };
+              };
+              type = types.attrsOf (types.submodule ({ name, ... }: {
+                freeformType = settingsFormat.type;
+                options = {
+
+                  name = mkOption {
+                    type = types.str;
+                    default = name;
+                    description = lib.mdDoc ''
+                      The name of the device.
+                    '';
+                  };
+
+                  id = mkOption {
+                    type = types.str;
+                    description = mdDoc ''
+                      The device ID. See <https://docs.syncthing.net/dev/device-ids.html>.
+                    '';
+                  };
+
+                  autoAcceptFolders = mkOption {
+                    type = types.bool;
+                    default = false;
+                    description = mdDoc ''
+                      Automatically create or share folders that this device advertises at the default path.
+                      See <https://docs.syncthing.net/users/config.html?highlight=autoaccept#config-file-format>.
+                    '';
+                  };
+
+                };
+              }));
+            };
+
+            # folder settings
+            folders = mkOption {
+              default = {};
+              description = mdDoc ''
+                Folders which should be shared by Syncthing.
+
+                Note that you can still add folders manually, but those changes
+                will be reverted on restart if [overrideFolders](#opt-services.syncthing.overrideFolders)
+                is enabled.
+              '';
+              example = literalExpression ''
+                {
+                  "/home/user/sync" = {
+                    id = "syncme";
+                    devices = [ "bigbox" ];
+                  };
+                }
+              '';
+              type = types.attrsOf (types.submodule ({ name, ... }: {
+                freeformType = settingsFormat.type;
+                options = {
+
+                  enable = mkOption {
+                    type = types.bool;
+                    default = true;
+                    description = lib.mdDoc ''
+                      Whether to share this folder.
+                      This option is useful when you want to define all folders
+                      in one place, but not every machine should share all folders.
+                    '';
+                  };
+
+                  path = mkOption {
+                    # TODO for release 23.05: allow relative paths again and set
+                    # working directory to cfg.dataDir
+                    type = types.str // {
+                      check = x: types.str.check x && (substring 0 1 x == "/" || substring 0 2 x == "~/");
+                      description = types.str.description + " starting with / or ~/";
+                    };
+                    default = name;
+                    description = lib.mdDoc ''
+                      The path to the folder which should be shared.
+                      Only absolute paths (starting with `/`) and paths relative to
+                      the [user](#opt-services.syncthing.user)'s home directory
+                      (starting with `~/`) are allowed.
+                    '';
+                  };
+
+                  id = mkOption {
+                    type = types.str;
+                    default = name;
+                    description = lib.mdDoc ''
+                      The ID of the folder. Must be the same on all devices.
+                    '';
+                  };
+
+                  label = mkOption {
+                    type = types.str;
+                    default = name;
+                    description = lib.mdDoc ''
+                      The label of the folder.
+                    '';
+                  };
+
+                  devices = mkOption {
+                    type = types.listOf types.str;
+                    default = [];
+                    description = mdDoc ''
+                      The devices this folder should be shared with. Each device must
+                      be defined in the [devices](#opt-services.syncthing.settings.devices) option.
+                    '';
+                  };
+
+                  versioning = mkOption {
+                    default = null;
+                    description = mdDoc ''
+                      How to keep changed/deleted files with Syncthing.
+                      There are 4 different types of versioning with different parameters.
+                      See <https://docs.syncthing.net/users/versioning.html>.
+                    '';
+                    example = literalExpression ''
+                      [
+                        {
+                          versioning = {
+                            type = "simple";
+                            params.keep = "10";
+                          };
+                        }
+                        {
+                          versioning = {
+                            type = "trashcan";
+                            params.cleanoutDays = "1000";
+                          };
+                        }
+                        {
+                          versioning = {
+                            type = "staggered";
+                            fsPath = "/syncthing/backup";
+                            params = {
+                              cleanInterval = "3600";
+                              maxAge = "31536000";
+                            };
+                          };
+                        }
+                        {
+                          versioning = {
+                            type = "external";
+                            params.versionsPath = pkgs.writers.writeBash "backup" '''
+                              folderpath="$1"
+                              filepath="$2"
+                              rm -rf "$folderpath/$filepath"
+                            ''';
+                          };
+                        }
+                      ]
+                    '';
+                    type = with types; nullOr (submodule {
+                      freeformType = settingsFormat.type;
+                      options = {
+                        type = mkOption {
+                          type = enum [ "external" "simple" "staggered" "trashcan" ];
+                          description = mdDoc ''
+                            The type of versioning.
+                            See <https://docs.syncthing.net/users/versioning.html>.
+                          '';
+                        };
+                      };
+                    });
+                  };
+
+                  copyOwnershipFromParent = mkOption {
+                    type = types.bool;
+                    default = false;
+                    description = mdDoc ''
+                      On Unix systems, tries to copy file/folder ownership from the parent directory (the directory it’s located in).
+                      Requires running Syncthing as a privileged user, or granting it additional capabilities (e.g. CAP_CHOWN on Linux).
+                    '';
+                  };
+                };
+              }));
+            };
+
+          };
+        };
+        default = {};
+        description = mdDoc ''
+          Extra configuration options for Syncthing.
+          See <https://docs.syncthing.net/users/config.html>.
+          Note that this attribute set does not exactly match the documented
+          xml format. Instead, this is the format of the json rest api. There
+          are slight differences. For example, this xml:
+          ```xml
+          <options>
+            <listenAddress>default</listenAddress>
+            <minHomeDiskFree unit="%">1</minHomeDiskFree>
+          </options>
+          ```
+          corresponds to the json:
+          ```json
+          {
+            options: {
+              listenAddresses = [
+                "default"
+              ];
+              minHomeDiskFree = {
+                unit = "%";
+                value = 1;
+              };
+            };
+          }
+          ```
+        '';
+        example = {
+          options.localAnnounceEnabled = false;
+          gui.theme = "black";
+        };
+      };
+
+      guiAddress = mkOption {
+        type = types.str;
+        default = "127.0.0.1:8384";
+        description = lib.mdDoc ''
+          The address to serve the web interface at.
+        '';
+      };
+
+      systemService = mkOption {
+        type = types.bool;
+        default = true;
+        description = lib.mdDoc ''
+          Whether to auto-launch Syncthing as a system service.
+        '';
+      };
+
+      user = mkOption {
+        type = types.str;
+        default = defaultUser;
+        example = "yourUser";
+        description = mdDoc ''
+          The user to run Syncthing as.
+          By default, a user named `${defaultUser}` will be created whose home
+          directory is [dataDir](#opt-services.syncthing.dataDir).
+        '';
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = defaultGroup;
+        example = "yourGroup";
+        description = mdDoc ''
+          The group to run Syncthing under.
+          By default, a group named `${defaultGroup}` will be created.
+        '';
+      };
+
+      all_proxy = mkOption {
+        type = with types; nullOr str;
+        default = null;
+        example = "socks5://address.com:1234";
+        description = mdDoc ''
+          Overwrites the all_proxy environment variable for the Syncthing process to
+          the given value. This is normally used to let Syncthing connect
+          through a SOCKS5 proxy server.
+          See <https://docs.syncthing.net/users/proxying.html>.
+        '';
+      };
+
+      dataDir = mkOption {
+        type = types.path;
+        default = "/var/lib/syncthing";
+        example = "/home/yourUser";
+        description = lib.mdDoc ''
+          The path where synchronised directories will exist.
+        '';
+      };
+
+      configDir = let
+        cond = versionAtLeast config.system.stateVersion "19.03";
+      in mkOption {
+        type = types.path;
+        description = lib.mdDoc ''
+          The path where the settings and keys will exist.
+        '';
+        default = cfg.dataDir + optionalString cond "/.config/syncthing";
+        defaultText = literalMD ''
+          * if `stateVersion >= 19.03`:
+
+                config.${opt.dataDir} + "/.config/syncthing"
+          * otherwise:
+
+                config.${opt.dataDir}
+        '';
+      };
+
+      databaseDir = mkOption {
+        type = types.path;
+        description = lib.mdDoc ''
+          The directory containing the database and logs.
+        '';
+        default = cfg.configDir;
+        defaultText = literalExpression "config.${opt.configDir}";
+      };
+
+      extraFlags = mkOption {
+        type = types.listOf types.str;
+        default = [];
+        example = [ "--reset-deltas" ];
+        description = lib.mdDoc ''
+          Extra flags passed to the syncthing command in the service definition.
+        '';
+      };
+
+      openDefaultPorts = mkOption {
+        type = types.bool;
+        default = false;
+        example = true;
+        description = lib.mdDoc ''
+          Whether to open the default ports in the firewall: TCP/UDP 22000 for transfers
+          and UDP 21027 for discovery.
+
+          If multiple users are running Syncthing on this machine, you will need
+          to manually open a set of ports for each instance and leave this disabled.
+          Alternatively, if you are running only a single instance on this machine
+          using the default ports, enable this.
+        '';
+      };
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.syncthing;
+        defaultText = literalExpression "pkgs.syncthing";
+        description = lib.mdDoc ''
+          The Syncthing package to use.
+        '';
+      };
+    };
+  };
+
+  imports = [
+    (mkRemovedOptionModule [ "services" "syncthing" "useInotify" ] ''
+      This option was removed because Syncthing now has the inotify functionality included under the name "fswatcher".
+      It can be enabled on a per-folder basis through the web interface.
+    '')
+    (mkRenamedOptionModule [ "services" "syncthing" "extraOptions" ] [ "services" "syncthing" "settings" ])
+    (mkRenamedOptionModule [ "services" "syncthing" "folders" ] [ "services" "syncthing" "settings" "folders" ])
+    (mkRenamedOptionModule [ "services" "syncthing" "devices" ] [ "services" "syncthing" "settings" "devices" ])
+    (mkRenamedOptionModule [ "services" "syncthing" "options" ] [ "services" "syncthing" "settings" "options" ])
+  ] ++ map (o:
+    mkRenamedOptionModule [ "services" "syncthing" "declarative" o ] [ "services" "syncthing" o ]
+  ) [ "cert" "key" "devices" "folders" "overrideDevices" "overrideFolders" "extraOptions"];
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    networking.firewall = mkIf cfg.openDefaultPorts {
+      allowedTCPPorts = [ 22000 ];
+      allowedUDPPorts = [ 21027 22000 ];
+    };
+
+    systemd.packages = [ pkgs.syncthing ];
+
+    users.users = mkIf (cfg.systemService && cfg.user == defaultUser) {
+      ${defaultUser} =
+        { group = cfg.group;
+          home  = cfg.dataDir;
+          createHome = true;
+          uid = config.ids.uids.syncthing;
+          description = "Syncthing daemon user";
+        };
+    };
+
+    users.groups = mkIf (cfg.systemService && cfg.group == defaultGroup) {
+      ${defaultGroup}.gid =
+        config.ids.gids.syncthing;
+    };
+
+    systemd.services = {
+      # upstream reference:
+      # https://github.com/syncthing/syncthing/blob/main/etc/linux-systemd/system/syncthing%40.service
+      syncthing = mkIf cfg.systemService {
+        description = "Syncthing service";
+        after = [ "network.target" ];
+        environment = {
+          STNORESTART = "yes";
+          STNOUPGRADE = "yes";
+          inherit (cfg) all_proxy;
+        } // config.networking.proxy.envVars;
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          Restart = "on-failure";
+          SuccessExitStatus = "3 4";
+          RestartForceExitStatus="3 4";
+          User = cfg.user;
+          Group = cfg.group;
+          ExecStartPre = mkIf (cfg.cert != null || cfg.key != null)
+            "+${pkgs.writers.writeBash "syncthing-copy-keys" ''
+              install -dm700 -o ${cfg.user} -g ${cfg.group} ${cfg.configDir}
+              ${optionalString (cfg.cert != null) ''
+                install -Dm400 -o ${cfg.user} -g ${cfg.group} ${toString cfg.cert} ${cfg.configDir}/cert.pem
+              ''}
+              ${optionalString (cfg.key != null) ''
+                install -Dm400 -o ${cfg.user} -g ${cfg.group} ${toString cfg.key} ${cfg.configDir}/key.pem
+              ''}
+            ''}"
+          ;
+          ExecStart = ''
+            ${cfg.package}/bin/syncthing \
+              -no-browser \
+              -gui-address=${if isUnixGui then "unix://" else ""}${cfg.guiAddress} \
+              -config=${cfg.configDir} \
+              -data=${cfg.databaseDir} \
+              ${escapeShellArgs cfg.extraFlags}
+          '';
+          MemoryDenyWriteExecute = true;
+          NoNewPrivileges = true;
+          PrivateDevices = true;
+          PrivateMounts = true;
+          PrivateTmp = true;
+          PrivateUsers = true;
+          ProtectControlGroups = true;
+          ProtectHostname = true;
+          ProtectKernelModules = true;
+          ProtectKernelTunables = true;
+          RestrictNamespaces = true;
+          RestrictRealtime = true;
+          RestrictSUIDSGID = true;
+          CapabilityBoundingSet = [
+            "~CAP_SYS_PTRACE" "~CAP_SYS_ADMIN"
+            "~CAP_SETGID" "~CAP_SETUID" "~CAP_SETPCAP"
+            "~CAP_SYS_TIME" "~CAP_KILL"
+          ];
+        };
+      };
+      syncthing-init = mkIf (cleanedConfig != {}) {
+        description = "Syncthing configuration updater";
+        requisite = [ "syncthing.service" ];
+        after = [ "syncthing.service" ];
+        wantedBy = [ "multi-user.target" ];
+
+        serviceConfig = {
+          User = cfg.user;
+          RemainAfterExit = true;
+          RuntimeDirectory = "syncthing-init";
+          Type = "oneshot";
+          ExecStart = updateConfig;
+        };
+      };
+
+      syncthing-resume = {
+        wantedBy = [ "suspend.target" ];
+      };
+    };
+  };
+}