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|
{
config,
pkgs,
lib,
...
}:
let
cfg = config.services.turn-rs;
format = pkgs.formats.toml { };
in
{
options.services.turn-rs = {
enable = lib.mkEnableOption "turn-rs server";
package = lib.mkPackageOption pkgs "turn-rs" { };
secretFile = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = null;
example = "/run/keys/turn-rs.env";
description = ''
Environment variables from this file will be interpolated into the
final config file using envsubst with this syntax: `$ENVIRONMENT` or
`''${VARIABLE}`.
The file should contain lines formatted as `SECRET_VAR=SECRET_VALUE`.
This is useful to avoid putting secrets into the nix store.
'';
};
settings = lib.mkOption {
type = lib.types.submodule {
freeformType = format.type;
};
description = "Turn-rs server config file";
default = { };
example = {
turn = {
realm = "localhost";
interfaces = [
{
transport = "udp";
bind = "127.0.0.1:3478";
external = "127.0.0.1:3478";
}
{
transport = "tcp";
bind = "127.0.0.1:3478";
external = "127.0.0.1:3478";
}
];
};
auth.static_credentials = {
user1 = "test";
user2 = "test";
};
};
};
};
config = lib.mkIf cfg.enable {
services.turn-rs.settings = {
api.bind = lib.mkDefault "127.0.0.1:3000";
log.level = lib.mkDefault "info";
};
systemd.services.turn-rs = {
enable = true;
wantedBy = [ "multi-user.target" ];
description = "Turn-rs Server Daemon";
preStart =
let
configFile = format.generate "turn-rs-config.toml" cfg.settings;
in
''
${lib.getExe pkgs.envsubst} -i "${configFile}" -o /run/turn-rs/config.toml
'';
serviceConfig = {
RuntimeDirectory = "turn-rs";
EnvironmentFile = lib.optional (cfg.secretFile != null) cfg.secretFile;
ExecStart = "${lib.getExe cfg.package} --config=/run/turn-rs/config.toml";
DynamicUser = true;
};
};
};
}
|
