blob: 20deab60901d8ed6da7bd1f5b18e5c82addade44 (
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|
{ config, pkgs, lib, ... }:
let
inherit (lib)
mkEnableOption mkIf mkOption optionalString ;
inherit (lib.types)
int nullOr package path str ;
cfg = config.nixsap.apps.nix-serve;
start =
let
maybeTCP = optionalString (cfg.port != null)
"--listen '${cfg.address}:${toString cfg.port}'";
in pkgs.writeBashScriptBin "nix-serve" ''
umask 0117 # for socket mode
export NIX_REMOTE="daemon"
${optionalString (cfg.secretKeyFile != null) ''
export NIX_SECRET_KEY_FILE='${cfg.secretKeyFile}'
''}
exec "${cfg.package}/bin/nix-serve" \
${maybeTCP} \
--listen '${cfg.socket}' \
--workers ${toString cfg.workers}
'';
in
{
options = {
nixsap.apps.nix-serve = {
enable = mkEnableOption "nix-serve, the standalone Nix binary cache server";
user = mkOption {
description = "User and group to run as";
type = str;
default = "nix-serve";
};
home = mkOption {
description = "Home directory (currently for Unix socket only)";
type = path;
default = "/nix-serve";
};
package = mkOption {
description = "nix-serve package";
type = package;
default = pkgs.nix-serve;
};
workers = mkOption {
type = int;
default = 5;
description = "Specifies the number of worker pool";
};
port = mkOption {
type = nullOr int;
default = null;
description = ''
Port number where nix-serve will listen on in addition to Unix
socket. By default nix-serve listens on Unix socket only.
'';
};
address = mkOption {
type = str;
default = "127.0.0.1";
description = ''
IP address where nix-serve will bind its TCP listening socket.
'';
};
socket = mkOption {
description = ''
Unix socket to listen on.
'';
readOnly = true;
type = path;
default = "${cfg.home}/socket";
};
secretKeyFile = mkOption {
type = nullOr path;
default = null;
description = ''
The path to the file used for signing derivation data.
'';
};
};
};
config = mkIf cfg.enable {
nix.allowedUsers = [ cfg.user ];
nixsap.deployment.keyrings.${cfg.user} = [ cfg.secretKeyFile ];
nixsap.system.users.daemons = [ cfg.user ];
systemd.services.nix-serve = {
description = "nix-serve binary cache server";
wantedBy = [ "multi-user.target" ];
wants = [ "keys.target" ];
after = [ "keys.target" "network.target" "local-fs.target" ];
preStart = ''
mkdir -p -- '${cfg.home}'
rm -rf -- '${cfg.socket}'
chown -Rc '${cfg.user}:${cfg.user}' -- '${cfg.home}'
chmod -Rc u=rwX,g=rX,o= -- '${cfg.home}'
'';
serviceConfig = {
ExecStart = "${start}/bin/nix-serve";
KillMode = "mixed";
PermissionsStartOnly = true;
Restart = "always";
User = cfg.user;
};
};
};
}
|
