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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2016 John Darrington <jmd@gnu.org> | |
981ce389 | 3 | ;;; Copyright © 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net> |
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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 nfs) | |
21 | #:use-module (gnu) | |
22 | #:use-module (gnu services shepherd) | |
23 | #:use-module (gnu packages onc-rpc) | |
eb419bc9 | 24 | #:use-module (gnu packages linux) |
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25 | #:use-module (guix) |
26 | #:use-module (guix records) | |
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27 | #:use-module (ice-9 match) |
28 | #:use-module (gnu build file-systems) | |
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29 | #:export (rpcbind-service-type |
30 | rpcbind-configuration | |
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31 | rpcbind-configuration? |
32 | ||
33 | pipefs-service-type | |
34 | pipefs-configuration | |
35 | pipefs-configuration? | |
36 | ||
37 | idmap-service-type | |
38 | idmap-configuration | |
39 | idmap-configuration? | |
40 | ||
41 | gss-service-type | |
42 | gss-configuration | |
43 | gss-configuration?)) | |
44 | ||
45 | ||
46 | (define default-pipefs-directory "/var/lib/nfs/rpc_pipefs") | |
47 | ||
48 | \f | |
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49 | |
50 | (define-record-type* <rpcbind-configuration> | |
51 | rpcbind-configuration make-rpcbind-configuration | |
52 | rpcbind-configuration? | |
53 | (rpcbind rpcbind-configuration-rpcbind | |
54 | (default rpcbind)) | |
55 | (warm-start? rpcbind-configuration-warm-start? | |
56 | (default #t))) | |
57 | ||
58 | (define rpcbind-service-type | |
59 | (shepherd-service-type | |
60 | 'rpcbind | |
61 | (lambda (config) | |
981ce389 | 62 | (define rpcbind |
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63 | (rpcbind-configuration-rpcbind config)) |
64 | ||
65 | (define rpcbind-command | |
981ce389 | 66 | #~(list (string-append #$rpcbind "/bin/rpcbind") "-f" |
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67 | #$@(if (rpcbind-configuration-warm-start? config) '("-w") '()))) |
68 | ||
69 | (shepherd-service | |
70 | (documentation "Start the RPC bind daemon.") | |
71 | (requirement '(networking)) | |
72 | (provision '(rpcbind-daemon)) | |
73 | ||
74 | (start #~(make-forkexec-constructor #$rpcbind-command)) | |
75 | (stop #~(make-kill-destructor)))))) | |
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76 | |
77 | \f | |
78 | ||
79 | (define-record-type* <pipefs-configuration> | |
80 | pipefs-configuration make-pipefs-configuration | |
81 | pipefs-configuration? | |
82 | (mount-point pipefs-configuration-mount-point | |
83 | (default default-pipefs-directory))) | |
84 | ||
85 | (define pipefs-service-type | |
86 | (shepherd-service-type | |
87 | 'pipefs | |
88 | (lambda (config) | |
89 | (define pipefs-directory (pipefs-configuration-mount-point config)) | |
90 | ||
91 | (shepherd-service | |
162a1374 | 92 | (documentation "Mount the pipefs pseudo file system.") |
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93 | (provision '(rpc-pipefs)) |
94 | ||
95 | (start #~(lambda () | |
96 | (mkdir-p #$pipefs-directory) | |
97 | (mount "rpc_pipefs" #$pipefs-directory "rpc_pipefs") | |
98 | (member #$pipefs-directory (mount-points)))) | |
99 | ||
100 | (stop #~(lambda (pid . args) | |
101 | (umount #$pipefs-directory MNT_DETACH) | |
102 | (not (member #$pipefs-directory (mount-points))))))))) | |
103 | ||
104 | \f | |
105 | ||
106 | (define-record-type* <gss-configuration> | |
107 | gss-configuration make-gss-configuration | |
108 | gss-configuration? | |
109 | (pipefs-directory gss-configuration-pipefs-directory | |
110 | (default default-pipefs-directory)) | |
111 | (nfs-utils gss-configuration-gss | |
112 | (default nfs-utils))) | |
113 | ||
114 | (define gss-service-type | |
115 | (shepherd-service-type | |
116 | 'gss | |
117 | (lambda (config) | |
118 | (define nfs-utils | |
119 | (gss-configuration-gss config)) | |
120 | ||
121 | (define pipefs-directory | |
122 | (gss-configuration-pipefs-directory config)) | |
123 | ||
124 | (define gss-command | |
125 | #~(list (string-append #$nfs-utils "/sbin/rpc.gssd") "-f" | |
126 | "-p" #$pipefs-directory)) | |
127 | ||
128 | (shepherd-service | |
129 | (documentation "Start the RPC GSS daemon.") | |
130 | (requirement '(rpcbind-daemon rpc-pipefs)) | |
131 | (provision '(gss-daemon)) | |
132 | ||
133 | (start #~(make-forkexec-constructor #$gss-command)) | |
134 | (stop #~(make-kill-destructor)))))) | |
135 | ||
136 | \f | |
137 | ||
138 | (define-record-type* <idmap-configuration> | |
139 | idmap-configuration make-idmap-configuration | |
140 | idmap-configuration? | |
141 | (pipefs-directory idmap-configuration-pipefs-directory | |
142 | (default default-pipefs-directory)) | |
143 | (domain idmap-configuration-domain | |
144 | (default #f)) | |
145 | (nfs-utils idmap-configuration-idmap | |
146 | (default nfs-utils))) | |
147 | ||
148 | (define idmap-service-type | |
149 | (shepherd-service-type | |
150 | 'idmap | |
151 | (lambda (config) | |
152 | ||
153 | (define nfs-utils | |
154 | (idmap-configuration-idmap config)) | |
155 | ||
156 | (define pipefs-directory | |
157 | (idmap-configuration-pipefs-directory config)) | |
158 | ||
159 | (define domain (idmap-configuration-domain config)) | |
160 | ||
161 | (define (idmap-config-file config) | |
162 | (plain-file "idmapd.conf" | |
163 | (string-append | |
164 | "\n[General]\n" | |
165 | (if domain | |
166 | (format #f "Domain = ~a\n" domain)) | |
167 | "\n[Mapping]\n" | |
168 | "Nobody-User = nobody\n" | |
169 | "Nobody-Group = nogroup\n"))) | |
170 | ||
171 | (define idmap-command | |
172 | #~(list (string-append #$nfs-utils "/sbin/rpc.idmapd") "-f" | |
173 | "-p" #$pipefs-directory | |
174 | "-c" #$(idmap-config-file config))) | |
175 | ||
176 | (shepherd-service | |
177 | (documentation "Start the RPC IDMAP daemon.") | |
178 | (requirement '(rpcbind-daemon rpc-pipefs)) | |
179 | (provision '(idmap-daemon)) | |
180 | (start #~(make-forkexec-constructor #$idmap-command)) | |
181 | (stop #~(make-kill-destructor)))))) | |
182 |