depot/third_party/nixpkgs/nixos/modules/services/misc/private-gpt.nix

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{ config
, lib
, pkgs
, ...
}:
let
inherit (lib) types;
format = pkgs.formats.yaml { };
cfg = config.services.private-gpt;
in
{
options = {
services.private-gpt = {
enable = lib.mkEnableOption "private-gpt for local large language models";
package = lib.mkPackageOption pkgs "private-gpt" { };
stateDir = lib.mkOption {
type = types.path;
default = "/var/lib/private-gpt";
description = "State directory of private-gpt.";
};
settings = lib.mkOption {
type = format.type;
default = {
llm = {
mode = "ollama";
tokenizer = "";
};
embedding = {
mode = "ollama";
};
ollama = {
llm_model = "llama3";
embedding_model = "nomic-embed-text";
api_base = "http://localhost:11434";
embedding_api_base = "http://localhost:11434";
keep_alive = "5m";
tfs_z = 1;
top_k = 40;
top_p = 0.9;
repeat_last_n = 64;
repeat_penalty = 1.2;
request_timeout = 120;
};
vectorstore = {
database = "qdrant";
};
qdrant = {
path = "/var/lib/private-gpt/vectorstore/qdrant";
};
data = {
local_data_folder = "/var/lib/private-gpt";
};
openai = { };
azopenai = { };
};
description = ''
settings-local.yaml for private-gpt
'';
};
};
};
config = lib.mkIf cfg.enable {
systemd.services.private-gpt = {
description = "Interact with your documents using the power of GPT, 100% privately, no data leaks";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
preStart =
let
config = format.generate "settings-local.yaml" (cfg.settings // { server.env_name = "local"; });
in
''
mkdir -p ${cfg.stateDir}/{settings,huggingface,matplotlib,tiktoken_cache}
cp ${cfg.package.cl100k_base.tiktoken} ${cfg.stateDir}/tiktoken_cache/9b5ad71b2ce5302211f9c61530b329a4922fc6a4
cp ${pkgs.python3Packages.private-gpt}/${pkgs.python3.sitePackages}/private_gpt/settings.yaml ${cfg.stateDir}/settings/settings.yaml
cp "${config}" "${cfg.stateDir}/settings/settings-local.yaml"
chmod 600 "${cfg.stateDir}/settings/settings-local.yaml"
'';
environment = {
PGPT_PROFILES = "local";
PGPT_SETTINGS_FOLDER = "${cfg.stateDir}/settings";
HF_HOME = "${cfg.stateDir}/huggingface";
TRANSFORMERS_OFFLINE = "1";
HF_DATASETS_OFFLINE = "1";
MPLCONFIGDIR = "${cfg.stateDir}/matplotlib";
};
serviceConfig = {
ExecStart = lib.getExe cfg.package;
WorkingDirectory = cfg.stateDir;
StateDirectory = "private-gpt";
RuntimeDirectory = "private-gpt";
RuntimeDirectoryMode = "0755";
PrivateTmp = true;
DynamicUser = true;
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
PrivateUsers = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectControlGroups = true;
ProcSubset = "pid";
RestrictNamespaces = true;
RestrictRealtime = true;
SystemCallArchitectures = "native";
UMask = "0077";
};
};
};
meta.maintainers = with lib.maintainers; [ drupol ];
}