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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net> | |
19df5f24 | 3 | ;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org> |
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4 | ;;; |
5 | ;;; This file is part of GNU Guix. | |
6 | ;;; | |
7 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
8 | ;;; under the terms of the GNU General Public License as published by | |
9 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
10 | ;;; your option) any later version. | |
11 | ;;; | |
12 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
13 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;;; GNU General Public License for more details. | |
16 | ;;; | |
17 | ;;; You should have received a copy of the GNU General Public License | |
18 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | (define-module (gnu services games) | |
21 | #:use-module (gnu services) | |
22 | #:use-module (gnu services shepherd) | |
23 | #:use-module (gnu packages admin) | |
24 | #:use-module (gnu packages games) | |
25 | #:use-module (gnu system shadow) | |
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26 | #:use-module ((gnu system file-systems) #:select (file-system-mapping)) |
27 | #:use-module (gnu build linux-container) | |
28 | #:autoload (guix least-authority) (least-authority-wrapper) | |
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29 | #:use-module (guix gexp) |
30 | #:use-module (guix modules) | |
31 | #:use-module (guix records) | |
32 | #:use-module (ice-9 match) | |
33 | #:export (wesnothd-configuration | |
f93c7a89 | 34 | wesnothd-configuration? |
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35 | wesnothd-service-type)) |
36 | ||
37 | ;;; | |
38 | ;;; The Battle for Wesnoth server | |
39 | ;;; | |
40 | ||
41 | (define-record-type* <wesnothd-configuration> | |
42 | wesnothd-configuration make-wesnothd-configuration wesnothd-configuration? | |
43 | (package wesnothd-configuration-package | |
44 | (default wesnoth-server)) | |
45 | (port wesnothd-configuration-port | |
46 | (default 15000))) | |
47 | ||
48 | (define %wesnothd-accounts | |
49 | (list (user-account | |
50 | (name "wesnothd") | |
51 | (group "wesnothd") | |
52 | (system? #t) | |
53 | (comment "Wesnoth daemon user") | |
54 | (home-directory "/var/empty") | |
55 | (shell (file-append shadow "/sbin/nologin"))) | |
56 | (user-group | |
57 | (name "wesnothd") | |
58 | (system? #t)))) | |
59 | ||
60 | (define wesnothd-shepherd-service | |
61 | (match-lambda | |
62 | (($ <wesnothd-configuration> package port) | |
53dbc6fd LC |
63 | (let ((wesnothd (least-authority-wrapper |
64 | (file-append package "/bin/wesnothd") | |
65 | #:name "wesnothd" | |
66 | #:mappings (list (file-system-mapping | |
67 | (source "/var/run/wesnothd") | |
68 | (target source) | |
69 | (writable? #t))) | |
70 | #:namespaces (delq 'net %namespaces)))) | |
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71 | (shepherd-service |
72 | (documentation "The Battle for Wesnoth server") | |
73 | (provision '(wesnoth-daemon)) | |
74 | (requirement '(networking)) | |
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75 | (start #~(make-forkexec-constructor |
76 | (list #$wesnothd "-p" #$(number->string port)) | |
662e2285 | 77 | #:user "wesnothd" #:group "wesnothd")) |
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78 | (stop #~(make-kill-destructor))))))) |
79 | ||
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80 | (define wesnothd-activation |
81 | (with-imported-modules '((guix build utils)) | |
82 | #~(begin | |
83 | (use-modules (guix build utils)) | |
84 | ||
85 | (let* ((user (getpw "wesnothd")) | |
86 | (directory "/var/run/wesnothd")) | |
87 | ;; wesnothd creates a Unix-domain socket in DIRECTORY. | |
88 | (mkdir-p directory) | |
89 | (chown directory (passwd:uid user) (passwd:gid user)))))) | |
90 | ||
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91 | (define wesnothd-service-type |
92 | (service-type | |
93 | (name 'wesnothd) | |
94 | (description | |
95 | "Run The Battle for Wesnoth server @command{wesnothd}.") | |
96 | (extensions | |
97 | (list (service-extension account-service-type | |
98 | (const %wesnothd-accounts)) | |
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99 | (service-extension activation-service-type |
100 | (const wesnothd-activation)) | |
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101 | (service-extension shepherd-root-service-type |
102 | (compose list wesnothd-shepherd-service)))) | |
103 | (default-value (wesnothd-configuration)))) |