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|
{ config
, lib
, pkgs
, ...
}:
let
cfg = config.services.wyoming.faster-whisper;
inherit (lib)
escapeShellArgs
mkOption
mdDoc
mkEnableOption
mkPackageOption
types
;
inherit (builtins)
toString
;
in
{
options.services.wyoming.faster-whisper = with types; {
package = mkPackageOption pkgs "wyoming-faster-whisper" { };
servers = mkOption {
default = {};
description = mdDoc ''
Attribute set of faster-whisper instances to spawn.
'';
type = types.attrsOf (types.submodule (
{ ... }: {
options = {
enable = mkEnableOption (mdDoc "Wyoming faster-whisper server");
model = mkOption {
# Intersection between available and referenced models here:
# https://github.com/rhasspy/models/releases/tag/v1.0
# https://github.com/rhasspy/rhasspy3/blob/wyoming-v1/programs/asr/faster-whisper/server/wyoming_faster_whisper/download.py#L17-L27
type = enum [
"tiny"
"tiny-int8"
"base"
"base-int8"
"small"
"small-int8"
"medium-int8"
];
default = "tiny-int8";
example = "medium-int8";
description = mdDoc ''
Name of the voice model to use.
'';
};
uri = mkOption {
type = strMatching "^(tcp|unix)://.*$";
example = "tcp://0.0.0.0:10300";
description = mdDoc ''
URI to bind the wyoming server to.
'';
};
device = mkOption {
# https://opennmt.net/CTranslate2/python/ctranslate2.models.Whisper.html#
type = types.enum [
"cpu"
"cuda"
"auto"
];
default = "cpu";
description = mdDoc ''
Determines the platform faster-whisper is run on. CPU works everywhere, CUDA requires a compatible NVIDIA GPU.
'';
};
language = mkOption {
type = enum [
# https://github.com/home-assistant/addons/blob/master/whisper/config.yaml#L20
"auto" "af" "am" "ar" "as" "az" "ba" "be" "bg" "bn" "bo" "br" "bs" "ca" "cs" "cy" "da" "de" "el" "en" "es" "et" "eu" "fa" "fi" "fo" "fr" "gl" "gu" "ha" "haw" "he" "hi" "hr" "ht" "hu" "hy" "id" "is" "it" "ja" "jw" "ka" "kk" "km" "kn" "ko" "la" "lb" "ln" "lo" "lt" "lv" "mg" "mi" "mk" "ml" "mn" "mr" "ms" "mt" "my" "ne" "nl" "nn" "no" "oc" "pa" "pl" "ps" "pt" "ro" "ru" "sa" "sd" "si" "sk" "sl" "sn" "so" "sq" "sr" "su" "sv" "sw" "ta" "te" "tg" "th" "tk" "tl" "tr" "tt" "uk" "ur" "uz" "vi" "yi" "yo" "zh"
];
example = "en";
description = mdDoc ''
The language used to to parse words and sentences.
'';
};
beamSize = mkOption {
type = ints.unsigned;
default = 1;
example = 5;
description = mdDoc ''
The number of beams to use in beam search.
'';
apply = toString;
};
extraArgs = mkOption {
type = listOf str;
default = [ ];
description = mdDoc ''
Extra arguments to pass to the server commandline.
'';
apply = escapeShellArgs;
};
};
}
));
};
};
config = let
inherit (lib)
mapAttrs'
mkIf
nameValuePair
;
in mkIf (cfg.servers != {}) {
systemd.services = mapAttrs' (server: options:
nameValuePair "wyoming-faster-whisper-${server}" {
inherit (options) enable;
description = "Wyoming faster-whisper server instance ${server}";
after = [
"network-online.target"
];
wantedBy = [
"multi-user.target"
];
serviceConfig = {
DynamicUser = true;
User = "wyoming-faster-whisper";
StateDirectory = "wyoming/faster-whisper";
# https://github.com/home-assistant/addons/blob/master/whisper/rootfs/etc/s6-overlay/s6-rc.d/whisper/run
ExecStart = ''
${cfg.package}/bin/wyoming-faster-whisper \
--data-dir $STATE_DIRECTORY \
--download-dir $STATE_DIRECTORY \
--uri ${options.uri} \
--device ${options.device} \
--model ${options.model} \
--language ${options.language} \
--beam-size ${options.beamSize} ${options.extraArgs}
'';
CapabilityBoundingSet = "";
DeviceAllow = if builtins.elem options.device [ "cuda" "auto" ] then [
# https://docs.nvidia.com/dgx/pdf/dgx-os-5-user-guide.pdf
# CUDA not working? Check DeviceAllow and PrivateDevices first!
"/dev/nvidia0"
"/dev/nvidia1"
"/dev/nvidia2"
"/dev/nvidia3"
"/dev/nvidia4"
"/dev/nvidia-caps/nvidia-cap1"
"/dev/nvidia-caps/nvidia-cap2"
"/dev/nvidiactl"
"/dev/nvidia-modeset"
"/dev/nvidia-uvm"
"/dev/nvidia-uvm-tools"
] else "";
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
PrivateUsers = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectControlGroups = true;
ProtectProc = "invisible";
ProcSubset = "pid";
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
"AF_UNIX"
];
RestrictNamespaces = true;
RestrictRealtime = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"~@privileged"
];
UMask = "0077";
};
}) cfg.servers;
};
}
|