104 lines
3.9 KiB
Scheme
104 lines
3.9 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
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;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services games)
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#:use-module (gnu services)
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#:use-module (gnu services shepherd)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages games)
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#:use-module (gnu system shadow)
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#:use-module ((gnu system file-systems) #:select (file-system-mapping))
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#:use-module (gnu build linux-container)
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#:autoload (guix least-authority) (least-authority-wrapper)
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#:use-module (guix gexp)
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#:use-module (guix modules)
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#:use-module (guix records)
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#:use-module (ice-9 match)
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#:export (wesnothd-configuration
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wesnothd-configuration?
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wesnothd-service-type))
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;;;
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;;; The Battle for Wesnoth server
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;;;
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(define-record-type* <wesnothd-configuration>
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wesnothd-configuration make-wesnothd-configuration wesnothd-configuration?
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(package wesnothd-configuration-package
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(default wesnoth-server))
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(port wesnothd-configuration-port
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(default 15000)))
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(define %wesnothd-accounts
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(list (user-account
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(name "wesnothd")
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(group "wesnothd")
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(system? #t)
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(comment "Wesnoth daemon user")
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(home-directory "/var/empty")
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(shell (file-append shadow "/sbin/nologin")))
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(user-group
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(name "wesnothd")
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(system? #t))))
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(define wesnothd-shepherd-service
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(match-lambda
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(($ <wesnothd-configuration> package port)
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(let ((wesnothd (least-authority-wrapper
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(file-append package "/bin/wesnothd")
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#:name "wesnothd"
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#:mappings (list (file-system-mapping
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(source "/var/run/wesnothd")
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(target source)
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(writable? #t)))
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#:namespaces (delq 'net %namespaces))))
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(shepherd-service
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(documentation "The Battle for Wesnoth server")
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(provision '(wesnoth-daemon))
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(requirement '(networking))
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(start #~(make-forkexec-constructor
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(list #$wesnothd "-p" #$(number->string port))
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#:user "wesnothd" #:group "wesnothd"))
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(stop #~(make-kill-destructor)))))))
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(define wesnothd-activation
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils))
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(let* ((user (getpw "wesnothd"))
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(directory "/var/run/wesnothd"))
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;; wesnothd creates a Unix-domain socket in DIRECTORY.
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(mkdir-p directory)
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(chown directory (passwd:uid user) (passwd:gid user))))))
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(define wesnothd-service-type
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(service-type
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(name 'wesnothd)
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(description
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"Run The Battle for Wesnoth server @command{wesnothd}.")
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(extensions
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(list (service-extension account-service-type
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(const %wesnothd-accounts))
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(service-extension activation-service-type
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(const wesnothd-activation))
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(service-extension shepherd-root-service-type
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(compose list wesnothd-shepherd-service))))
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(default-value (wesnothd-configuration))))
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