.hive/modules/services/borg-server.nix

62 lines
1.9 KiB
Nix

{
lib,
config,
pkgs,
...
}: let
cfg = config.hive.borg-server;
in {
options.hive.borg-server = {
enable = lib.mkEnableOption "Enable the borg server";
package = lib.mkOption {
type = lib.types.package;
default = pkgs.borgbackup;
example = "pkgs.borgbackup";
description = "The borg package to use";
};
borg_user = lib.mkOption {
type = lib.types.str;
example = "borg";
default = "borg";
description = "The user for the borg repository home.";
};
repositories_path = lib.mkOption {
type = lib.types.path;
example = "/var/lib/borg-repositories";
default = "/var/lib/borg-repositories";
description = "The user for the borg repository home.";
};
repositories = lib.mkOption {
type = lib.types.attrsOf (lib.types.submodule {
options = {
name = lib.mkOption {
type = lib.types.nullOr (lib.types.strMatching "^[a-zA-Z0-9._-]+$");
default = null;
example = "borg-repo";
description = "The name of the borg repository. If null, use key of attrset";
};
ssh_public_key = lib.mkOption {
type = lib.types.singleLineStr;
example = "ssh-rsa AAAA...";
description = "The path to the public key for the borg repository.";
};
};
});
};
};
config = lib.mkIf cfg.enable {
users.users.${cfg.borg_user} = {
isNormalUser = true;
description = "Borg user";
home = cfg.repositories_path;
createHome = true;
extraGroups = ["borg"];
openssh.authorizedKeys.keys =
lib.attrsets.mapAttrsToList
(key: repo: "command=\"${cfg.package}/bin/borg serve --restrict-to-path=${cfg.repositories_path}/${lib.defaultTo key repo.name}\",restrict ${repo.ssh_public_key}")
cfg.repositories;
};
};
}