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nix-configuration/modules/nixos/services/ollama/default.nix
2025-01-06 15:54:41 +00:00

101 lines
2.5 KiB
Nix

# FIXME: Clean up
{
config,
lib,
namespace,
...
}:
let
cfg = config.${namespace}.services;
api.port = 11434;
webui.port = 8130;
user = "ollama";
group = "ollama";
in
{
options = {
${namespace}.services = {
ollama = {
enable = lib.mkEnableOption "Enables Ollama.";
home = lib.mkOption {
default = "";
type = lib.types.str;
description = "Where to store Ollama's files";
example = "/var/lib/ollama";
};
};
open-webui = {
enable = lib.mkEnableOption "Enables Ollama.";
url = lib.mkOption {
default = "";
type = lib.types.str;
description = "The complete URL where Open-WebUI is hosted.";
example = "https://open-webui.example.com";
};
home = lib.mkOption {
default = "/var/lib/open-webui";
type = lib.types.str;
description = "Where to store Open-webUI's files";
example = "/var/lib/open-webui";
};
};
};
};
config = lib.mkIf cfg.ollama.enable {
services = {
ollama = {
enable = true;
acceleration =
with config.${namespace}.gpu;
if amd.enable then
"rocm"
else if nvidia.enable then
"cuda"
else
false;
home = cfg.ollama.home;
port = api.port;
user = user;
group = group;
};
open-webui = lib.mkIf cfg.open-webui.enable {
enable = true;
port = webui.port;
environment = {
ANONYMIZED_TELEMETRY = "False";
DO_NOT_TRACK = "True";
SCARF_NO_ANALYTICS = "True";
OLLAMA_BASE_URL = "http://127.0.0.1:${builtins.toString api.port}";
};
stateDir = cfg.open-webui.home;
};
nginx.virtualHosts."${cfg.open-webui.url}" = {
useACMEHost = lib.${namespace}.getDomainFromURI cfg.open-webui.url;
forceSSL = true;
locations."/" = {
proxyPass = "http://127.0.0.1:${builtins.toString webui.port}";
extraConfig = "proxy_ssl_server_name on;";
};
};
};
systemd.services = {
ollama.unitConfig.RequiresMountsFor = cfg.ollama.home;
open-webui = {
serviceConfig = {
User = user;
Group = group;
};
unitConfig.RequiresMountsFor = cfg.open-webui.home;
wants = [ config.systemd.services.ollama.name ];
};
nginx.wants = [ config.systemd.services.open-webui.name ];
};
};
}