179 lines
4.9 KiB
Nix
179 lines
4.9 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.services.tts;
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in
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{
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options.services.tts =
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let
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inherit (lib)
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literalExpression
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mkOption
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mkEnableOption
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types
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;
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in
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{
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servers = mkOption {
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type = types.attrsOf (
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types.submodule (
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{ ... }:
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{
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options = {
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enable = mkEnableOption "Coqui TTS server";
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port = mkOption {
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type = types.port;
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example = 5000;
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description = ''
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Port to bind the TTS server to.
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'';
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};
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model = mkOption {
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type = types.nullOr types.str;
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default = "tts_models/en/ljspeech/tacotron2-DDC";
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example = null;
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description = ''
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Name of the model to download and use for speech synthesis.
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Check `tts-server --list_models` for possible values.
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Set to `null` to use a custom model.
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'';
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};
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useCuda = mkOption {
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type = types.bool;
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default = false;
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example = true;
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description = ''
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Whether to offload computation onto a CUDA compatible GPU.
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'';
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};
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extraArgs = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = ''
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Extra arguments to pass to the server commandline.
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'';
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};
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};
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}
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)
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);
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default = { };
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example = literalExpression ''
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{
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english = {
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port = 5300;
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model = "tts_models/en/ljspeech/tacotron2-DDC";
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};
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german = {
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port = 5301;
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model = "tts_models/de/thorsten/tacotron2-DDC";
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};
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dutch = {
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port = 5302;
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model = "tts_models/nl/mai/tacotron2-DDC";
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};
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}
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'';
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description = ''
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TTS server instances.
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'';
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};
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};
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config =
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let
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inherit (lib)
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mkIf
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mapAttrs'
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nameValuePair
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optionalString
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concatMapStringsSep
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escapeShellArgs
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;
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in
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mkIf (cfg.servers != { }) {
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systemd.services = mapAttrs' (
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server: options:
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nameValuePair "tts-${server}" {
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description = "Coqui TTS server instance ${server}";
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after = [
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"network-online.target"
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];
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wantedBy = [
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"multi-user.target"
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];
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path = with pkgs; [
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espeak-ng
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];
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environment.HOME = "/var/lib/tts";
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serviceConfig = {
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DynamicUser = true;
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User = "tts";
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StateDirectory = "tts";
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ExecStart =
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"${pkgs.tts}/bin/tts-server --port ${toString options.port}"
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+ optionalString (options.model != null) " --model_name ${options.model}"
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+ optionalString (options.useCuda) " --use_cuda"
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+ (concatMapStringsSep " " escapeShellArgs options.extraArgs);
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CapabilityBoundingSet = "";
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DeviceAllow =
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if options.useCuda then
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[
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# https://docs.nvidia.com/dgx/pdf/dgx-os-5-user-guide.pdf
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"/dev/nvidia1"
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"/dev/nvidia2"
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"/dev/nvidia3"
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"/dev/nvidia4"
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"/dev/nvidia-caps/nvidia-cap1"
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"/dev/nvidia-caps/nvidia-cap2"
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"/dev/nvidiactl"
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"/dev/nvidia-modeset"
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"/dev/nvidia-uvm"
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"/dev/nvidia-uvm-tools"
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]
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else
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"";
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DevicePolicy = "closed";
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LockPersonality = true;
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# jit via numba->llvmpipe
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MemoryDenyWriteExecute = false;
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PrivateDevices = true;
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PrivateUsers = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectControlGroups = true;
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ProtectProc = "invisible";
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ProcSubset = "pid";
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RestrictAddressFamilies = [
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"AF_UNIX"
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"AF_INET"
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"AF_INET6"
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];
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RestrictNamespaces = true;
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RestrictRealtime = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [
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"@system-service"
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"~@privileged"
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];
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UMask = "0077";
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};
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}
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) cfg.servers;
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};
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}
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