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db4fdc04 | 1 | ;;; GNU Guix --- Functional package management for GNU |
4a4dd5d8 | 2 | ;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> |
5eca9459 | 3 | ;;; Copyright © 2015 Alex Kost <alezost@gmail.com> |
4307c476 | 4 | ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org> |
db4fdc04 LC |
5 | ;;; |
6 | ;;; This file is part of GNU Guix. | |
7 | ;;; | |
8 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
9 | ;;; under the terms of the GNU General Public License as published by | |
10 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
11 | ;;; your option) any later version. | |
12 | ;;; | |
13 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
14 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | ;;; GNU General Public License for more details. | |
17 | ;;; | |
18 | ;;; You should have received a copy of the GNU General Public License | |
19 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
20 | ||
21 | (define-module (gnu services base) | |
e87f0591 | 22 | #:use-module (guix store) |
db4fdc04 | 23 | #:use-module (gnu services) |
0adfe95a | 24 | #:use-module (gnu services dmd) |
4a3b3b07 | 25 | #:use-module (gnu services networking) |
db4fdc04 LC |
26 | #:use-module (gnu system shadow) ; 'user-account', etc. |
27 | #:use-module (gnu system linux) ; 'pam-service', etc. | |
0adfe95a | 28 | #:use-module (gnu system file-systems) ; 'file-system', etc. |
db4fdc04 | 29 | #:use-module (gnu packages admin) |
151a2c07 | 30 | #:use-module ((gnu packages linux) |
68ac258b | 31 | #:select (eudev kbd e2fsprogs lvm2 fuse alsa-utils crda)) |
db4fdc04 | 32 | #:use-module ((gnu packages base) |
bdb36958 | 33 | #:select (canonical-package glibc)) |
db4fdc04 | 34 | #:use-module (gnu packages package-management) |
2d1d2dd8 LC |
35 | #:use-module (gnu packages lsh) |
36 | #:use-module (gnu packages lsof) | |
e2f4b305 | 37 | #:use-module ((gnu build file-systems) |
2c071ce9 | 38 | #:select (mount-flags->bit-mask)) |
b5f4e686 | 39 | #:use-module (guix gexp) |
6454b333 | 40 | #:use-module (guix records) |
db4fdc04 LC |
41 | #:use-module (srfi srfi-1) |
42 | #:use-module (srfi srfi-26) | |
6454b333 | 43 | #:use-module (ice-9 match) |
db4fdc04 | 44 | #:use-module (ice-9 format) |
a00dd9fb | 45 | #:export (root-file-system-service |
023f391c | 46 | file-system-service |
d6e2a622 | 47 | user-unmount-service |
5dae0186 | 48 | device-mapping-service |
2a13d05e | 49 | swap-service |
a00dd9fb LC |
50 | user-processes-service |
51 | host-name-service | |
5eca9459 | 52 | console-keymap-service |
62ca0fdf | 53 | console-font-service |
0adfe95a | 54 | udev-service-type |
151a2c07 | 55 | udev-service |
66e4f01c LC |
56 | |
57 | mingetty-configuration | |
58 | mingetty-configuration? | |
db4fdc04 | 59 | mingetty-service |
6454b333 LC |
60 | |
61 | %nscd-default-caches | |
62 | %nscd-default-configuration | |
63 | ||
64 | nscd-configuration | |
65 | nscd-configuration? | |
66 | ||
67 | nscd-cache | |
68 | nscd-cache? | |
69 | ||
0adfe95a | 70 | nscd-service-type |
db4fdc04 LC |
71 | nscd-service |
72 | syslog-service | |
0adfe95a LC |
73 | |
74 | guix-configuration | |
75 | guix-configuration? | |
8b198abe | 76 | guix-service |
0adfe95a | 77 | |
8b198abe | 78 | %base-services)) |
db4fdc04 LC |
79 | |
80 | ;;; Commentary: | |
81 | ;;; | |
82 | ;;; Base system services---i.e., services that 99% of the users will want to | |
83 | ;;; use. | |
84 | ;;; | |
85 | ;;; Code: | |
86 | ||
0adfe95a LC |
87 | \f |
88 | ;;; | |
89 | ;;; File systems. | |
90 | ;;; | |
a00dd9fb | 91 | |
0adfe95a LC |
92 | (define %root-file-system-dmd-service |
93 | (dmd-service | |
be1c2c54 LC |
94 | (documentation "Take care of the root file system.") |
95 | (provision '(root-file-system)) | |
96 | (start #~(const #t)) | |
97 | (stop #~(lambda _ | |
98 | ;; Return #f if successfully stopped. | |
99 | (sync) | |
100 | ||
101 | (call-with-blocked-asyncs | |
102 | (lambda () | |
103 | (let ((null (%make-void-port "w"))) | |
104 | ;; Close 'dmd.log'. | |
105 | (display "closing log\n") | |
106 | ;; XXX: Ideally we'd use 'stop-logging', but that one | |
107 | ;; doesn't actually close the port as of dmd 0.1. | |
108 | (close-port (@@ (dmd comm) log-output-port)) | |
109 | (set! (@@ (dmd comm) log-output-port) null) | |
110 | ||
111 | ;; Redirect the default output ports.. | |
112 | (set-current-output-port null) | |
113 | (set-current-error-port null) | |
114 | ||
115 | ;; Close /dev/console. | |
116 | (for-each close-fdes '(0 1 2)) | |
117 | ||
118 | ;; At this point, there are no open files left, so the | |
119 | ;; root file system can be re-mounted read-only. | |
120 | (mount #f "/" #f | |
121 | (logior MS_REMOUNT MS_RDONLY) | |
122 | #:update-mtab? #f) | |
123 | ||
124 | #f))))) | |
125 | (respawn? #f))) | |
a00dd9fb | 126 | |
0adfe95a | 127 | (define root-file-system-service-type |
00184239 LC |
128 | (dmd-service-type 'root-file-system |
129 | (const %root-file-system-dmd-service))) | |
0adfe95a LC |
130 | |
131 | (define (root-file-system-service) | |
132 | "Return a service whose sole purpose is to re-mount read-only the root file | |
133 | system upon shutdown (aka. cleanly \"umounting\" root.) | |
134 | ||
135 | This service must be the root of the service dependency graph so that its | |
136 | 'stop' action is invoked when dmd is the only process left." | |
137 | (service root-file-system-service-type #f)) | |
138 | ||
139 | (define (file-system->dmd-service-name file-system) | |
140 | "Return the symbol that denotes the service mounting and unmounting | |
141 | FILE-SYSTEM." | |
142 | (symbol-append 'file-system- | |
143 | (string->symbol (file-system-mount-point file-system)))) | |
144 | ||
145 | (define file-system-service-type | |
146 | ;; TODO(?): Make this an extensible service that takes <file-system> objects | |
147 | ;; and returns a list of <dmd-service>. | |
148 | (dmd-service-type | |
00184239 | 149 | 'file-system |
0adfe95a LC |
150 | (lambda (file-system) |
151 | (let ((target (file-system-mount-point file-system)) | |
152 | (device (file-system-device file-system)) | |
153 | (type (file-system-type file-system)) | |
154 | (title (file-system-title file-system)) | |
155 | (check? (file-system-check? file-system)) | |
156 | (create? (file-system-create-mount-point? file-system)) | |
157 | (dependencies (file-system-dependencies file-system))) | |
158 | (dmd-service | |
159 | (provision (list (file-system->dmd-service-name file-system))) | |
160 | (requirement `(root-file-system | |
161 | ,@(map file-system->dmd-service-name dependencies))) | |
162 | (documentation "Check, mount, and unmount the given file system.") | |
163 | (start #~(lambda args | |
164 | ;; FIXME: Use or factorize with 'mount-file-system'. | |
165 | (let ((device (canonicalize-device-spec #$device '#$title)) | |
166 | (flags #$(mount-flags->bit-mask | |
167 | (file-system-flags file-system)))) | |
168 | #$(if create? | |
169 | #~(mkdir-p #$target) | |
170 | #~#t) | |
171 | #$(if check? | |
172 | #~(begin | |
173 | ;; Make sure fsck.ext2 & co. can be found. | |
174 | (setenv "PATH" | |
175 | (string-append | |
176 | #$e2fsprogs "/sbin:" | |
177 | "/run/current-system/profile/sbin:" | |
178 | (getenv "PATH"))) | |
179 | (check-file-system device #$type)) | |
180 | #~#t) | |
181 | ||
182 | (mount device #$target #$type flags | |
183 | #$(file-system-options file-system)) | |
184 | ||
185 | ;; For read-only bind mounts, an extra remount is needed, | |
186 | ;; as per <http://lwn.net/Articles/281157/>, which still | |
187 | ;; applies to Linux 4.0. | |
188 | (when (and (= MS_BIND (logand flags MS_BIND)) | |
189 | (= MS_RDONLY (logand flags MS_RDONLY))) | |
190 | (mount device #$target #$type | |
191 | (logior MS_BIND MS_REMOUNT MS_RDONLY)))) | |
192 | #t)) | |
193 | (stop #~(lambda args | |
194 | ;; Normally there are no processes left at this point, so | |
195 | ;; TARGET can be safely unmounted. | |
196 | ||
197 | ;; Make sure PID 1 doesn't keep TARGET busy. | |
198 | (chdir "/") | |
199 | ||
200 | (umount #$target) | |
201 | #f))))))) | |
202 | ||
203 | (define* (file-system-service file-system) | |
204 | "Return a service that mounts @var{file-system}, a @code{<file-system>} | |
205 | object." | |
206 | (service file-system-service-type file-system)) | |
207 | ||
208 | (define user-unmount-service-type | |
209 | (dmd-service-type | |
00184239 | 210 | 'user-unmount |
0adfe95a LC |
211 | (lambda (known-mount-points) |
212 | (dmd-service | |
213 | (documentation "Unmount manually-mounted file systems.") | |
214 | (provision '(user-unmount)) | |
215 | (start #~(const #t)) | |
216 | (stop #~(lambda args | |
217 | (define (known? mount-point) | |
218 | (member mount-point | |
219 | (cons* "/proc" "/sys" '#$known-mount-points))) | |
220 | ||
221 | ;; Make sure we don't keep the user's mount points busy. | |
222 | (chdir "/") | |
223 | ||
224 | (for-each (lambda (mount-point) | |
225 | (format #t "unmounting '~a'...~%" mount-point) | |
226 | (catch 'system-error | |
227 | (lambda () | |
228 | (umount mount-point)) | |
229 | (lambda args | |
230 | (let ((errno (system-error-errno args))) | |
231 | (format #t "failed to unmount '~a': ~a~%" | |
232 | mount-point (strerror errno)))))) | |
233 | (filter (negate known?) (mount-points))) | |
234 | #f)))))) | |
023f391c | 235 | |
d6e2a622 LC |
236 | (define (user-unmount-service known-mount-points) |
237 | "Return a service whose sole purpose is to unmount file systems not listed | |
238 | in KNOWN-MOUNT-POINTS when it is stopped." | |
0adfe95a | 239 | (service user-unmount-service-type known-mount-points)) |
d6e2a622 | 240 | |
7d57cfd3 LC |
241 | (define %do-not-kill-file |
242 | ;; Name of the file listing PIDs of processes that must survive when halting | |
243 | ;; the system. Typical example is user-space file systems. | |
244 | "/etc/dmd/do-not-kill") | |
245 | ||
0adfe95a LC |
246 | (define user-processes-service-type |
247 | (dmd-service-type | |
00184239 | 248 | 'user-processes |
0adfe95a LC |
249 | (match-lambda |
250 | ((requirements grace-delay) | |
251 | (dmd-service | |
252 | (documentation "When stopped, terminate all user processes.") | |
253 | (provision '(user-processes)) | |
254 | (requirement (cons 'root-file-system | |
255 | (map file-system->dmd-service-name | |
256 | requirements))) | |
257 | (start #~(const #t)) | |
258 | (stop #~(lambda _ | |
259 | (define (kill-except omit signal) | |
260 | ;; Kill all the processes with SIGNAL except those listed | |
261 | ;; in OMIT and the current process. | |
262 | (let ((omit (cons (getpid) omit))) | |
263 | (for-each (lambda (pid) | |
264 | (unless (memv pid omit) | |
265 | (false-if-exception | |
266 | (kill pid signal)))) | |
267 | (processes)))) | |
268 | ||
269 | (define omitted-pids | |
270 | ;; List of PIDs that must not be killed. | |
271 | (if (file-exists? #$%do-not-kill-file) | |
272 | (map string->number | |
273 | (call-with-input-file #$%do-not-kill-file | |
274 | (compose string-tokenize | |
275 | (@ (ice-9 rdelim) read-string)))) | |
276 | '())) | |
277 | ||
278 | (define (now) | |
279 | (car (gettimeofday))) | |
280 | ||
281 | (define (sleep* n) | |
282 | ;; Really sleep N seconds. | |
283 | ;; Work around <http://bugs.gnu.org/19581>. | |
284 | (define start (now)) | |
285 | (let loop ((elapsed 0)) | |
286 | (when (> n elapsed) | |
287 | (sleep (- n elapsed)) | |
288 | (loop (- (now) start))))) | |
289 | ||
290 | (define lset= (@ (srfi srfi-1) lset=)) | |
291 | ||
292 | (display "sending all processes the TERM signal\n") | |
293 | ||
294 | (if (null? omitted-pids) | |
295 | (begin | |
296 | ;; Easy: terminate all of them. | |
297 | (kill -1 SIGTERM) | |
298 | (sleep* #$grace-delay) | |
299 | (kill -1 SIGKILL)) | |
300 | (begin | |
301 | ;; Kill them all except OMITTED-PIDS. XXX: We would | |
302 | ;; like to (kill -1 SIGSTOP) to get a fixed list of | |
303 | ;; processes, like 'killall5' does, but that seems | |
304 | ;; unreliable. | |
305 | (kill-except omitted-pids SIGTERM) | |
306 | (sleep* #$grace-delay) | |
307 | (kill-except omitted-pids SIGKILL) | |
308 | (delete-file #$%do-not-kill-file))) | |
309 | ||
310 | (let wait () | |
311 | (let ((pids (processes))) | |
312 | (unless (lset= = pids (cons 1 omitted-pids)) | |
313 | (format #t "waiting for process termination\ | |
314 | (processes left: ~s)~%" | |
315 | pids) | |
316 | (sleep* 2) | |
317 | (wait)))) | |
318 | ||
319 | (display "all processes have been terminated\n") | |
320 | #f)) | |
321 | (respawn? #f)))))) | |
322 | ||
323 | (define* (user-processes-service file-systems #:key (grace-delay 4)) | |
a00dd9fb LC |
324 | "Return the service that is responsible for terminating all the processes so |
325 | that the root file system can be re-mounted read-only, just before | |
326 | rebooting/halting. Processes still running GRACE-DELAY seconds after SIGTERM | |
327 | has been sent are terminated with SIGKILL. | |
328 | ||
0adfe95a LC |
329 | The returned service will depend on 'root-file-system' and on all the dmd |
330 | services corresponding to FILE-SYSTEMS. | |
023f391c | 331 | |
a00dd9fb LC |
332 | All the services that spawn processes must depend on this one so that they are |
333 | stopped before 'kill' is called." | |
0adfe95a LC |
334 | (service user-processes-service-type |
335 | (list file-systems grace-delay))) | |
d656c14e | 336 | |
0adfe95a LC |
337 | \f |
338 | ;;; | |
339 | ;;; Console & co. | |
340 | ;;; | |
341 | ||
342 | (define host-name-service-type | |
343 | (dmd-service-type | |
00184239 | 344 | 'host-name |
0adfe95a LC |
345 | (lambda (name) |
346 | (dmd-service | |
347 | (documentation "Initialize the machine's host name.") | |
348 | (provision '(host-name)) | |
349 | (start #~(lambda _ | |
350 | (sethostname #$name))) | |
351 | (respawn? #f))))) | |
a00dd9fb | 352 | |
db4fdc04 | 353 | (define (host-name-service name) |
51da7ca0 | 354 | "Return a service that sets the host name to @var{name}." |
0adfe95a | 355 | (service host-name-service-type name)) |
db4fdc04 | 356 | |
62ca0fdf LC |
357 | (define (unicode-start tty) |
358 | "Return a gexp to start Unicode support on @var{tty}." | |
359 | ||
360 | ;; We have to run 'unicode_start' in a pipe so that when it invokes the | |
361 | ;; 'tty' command, that command returns TTY. | |
362 | #~(begin | |
363 | (let ((pid (primitive-fork))) | |
364 | (case pid | |
365 | ((0) | |
366 | (close-fdes 0) | |
367 | (dup2 (open-fdes #$tty O_RDONLY) 0) | |
368 | (close-fdes 1) | |
369 | (dup2 (open-fdes #$tty O_WRONLY) 1) | |
370 | (execl (string-append #$kbd "/bin/unicode_start") | |
371 | "unicode_start")) | |
372 | (else | |
373 | (zero? (cdr (waitpid pid)))))))) | |
374 | ||
0adfe95a LC |
375 | (define console-keymap-service-type |
376 | (dmd-service-type | |
00184239 | 377 | 'console-keymap |
0adfe95a LC |
378 | (lambda (file) |
379 | (dmd-service | |
380 | (documentation (string-append "Load console keymap (loadkeys).")) | |
381 | (provision '(console-keymap)) | |
382 | (start #~(lambda _ | |
383 | (zero? (system* (string-append #$kbd "/bin/loadkeys") | |
384 | #$file)))) | |
385 | (respawn? #f))))) | |
386 | ||
5eca9459 AK |
387 | (define (console-keymap-service file) |
388 | "Return a service to load console keymap from @var{file}." | |
0adfe95a LC |
389 | (service console-keymap-service-type file)) |
390 | ||
391 | (define console-font-service-type | |
392 | (dmd-service-type | |
00184239 | 393 | 'console-font |
0adfe95a LC |
394 | (match-lambda |
395 | ((tty font) | |
396 | (let ((device (string-append "/dev/" tty))) | |
397 | (dmd-service | |
398 | (documentation "Load a Unicode console font.") | |
399 | (provision (list (symbol-append 'console-font- | |
400 | (string->symbol tty)))) | |
401 | ||
402 | ;; Start after mingetty has been started on TTY, otherwise the settings | |
403 | ;; are ignored. | |
404 | (requirement (list (symbol-append 'term- | |
405 | (string->symbol tty)))) | |
406 | ||
407 | (start #~(lambda _ | |
408 | (and #$(unicode-start device) | |
409 | (zero? | |
410 | (system* (string-append #$kbd "/bin/setfont") | |
411 | "-C" #$device #$font))))) | |
412 | (stop #~(const #t)) | |
413 | (respawn? #f))))))) | |
5eca9459 | 414 | |
62ca0fdf LC |
415 | (define* (console-font-service tty #:optional (font "LatGrkCyr-8x16")) |
416 | "Return a service that sets up Unicode support in @var{tty} and loads | |
417 | @var{font} for that tty (fonts are per virtual console in Linux.)" | |
418 | ;; Note: 'LatGrkCyr-8x16' has the advantage of providing three common | |
419 | ;; scripts as well as glyphs for em dash, quotation marks, and other Unicode | |
420 | ;; codepoints notably found in the UTF-8 manual. | |
0adfe95a | 421 | (service console-font-service-type (list tty font))) |
62ca0fdf | 422 | |
66e4f01c LC |
423 | (define-record-type* <mingetty-configuration> |
424 | mingetty-configuration make-mingetty-configuration | |
425 | mingetty-configuration? | |
426 | (mingetty mingetty-configuration-mingetty ;<package> | |
427 | (default mingetty)) | |
428 | (tty mingetty-configuration-tty) ;string | |
429 | (motd mingetty-configuration-motd ;file-like | |
430 | (default (plain-file "motd" "Welcome.\n"))) | |
431 | (auto-login mingetty-auto-login ;string | #f | |
432 | (default #f)) | |
433 | (login-program mingetty-login-program ;gexp | |
434 | (default #f)) | |
435 | (login-pause? mingetty-login-pause? ;Boolean | |
436 | (default #f)) | |
437 | ||
438 | ;; Allow empty passwords by default so that first-time users can log in when | |
439 | ;; the 'root' account has just been created. | |
440 | (allow-empty-passwords? mingetty-configuration-allow-empty-passwords? | |
441 | (default #t))) ;Boolean | |
442 | ||
0adfe95a LC |
443 | (define (mingetty-pam-service conf) |
444 | "Return the list of PAM service needed for CONF." | |
445 | ;; Let 'login' be known to PAM. All the mingetty services will have that | |
446 | ;; PAM service, but that's fine because they're all identical and duplicates | |
447 | ;; are removed. | |
448 | (list (unix-pam-service "login" | |
449 | #:allow-empty-passwords? | |
450 | (mingetty-configuration-allow-empty-passwords? conf) | |
451 | #:motd | |
452 | (mingetty-configuration-motd conf)))) | |
453 | ||
454 | (define mingetty-dmd-service | |
455 | (match-lambda | |
66e4f01c LC |
456 | (($ <mingetty-configuration> mingetty tty motd auto-login login-program |
457 | login-pause? allow-empty-passwords?) | |
0adfe95a LC |
458 | (list |
459 | (dmd-service | |
460 | (documentation "Run mingetty on an tty.") | |
461 | (provision (list (symbol-append 'term- (string->symbol tty)))) | |
462 | ||
463 | ;; Since the login prompt shows the host name, wait for the 'host-name' | |
464 | ;; service to be done. Also wait for udev essentially so that the tty | |
465 | ;; text is not lost in the middle of kernel messages (XXX). | |
466 | (requirement '(user-processes host-name udev)) | |
467 | ||
468 | (start #~(make-forkexec-constructor | |
469 | (list (string-append #$mingetty "/sbin/mingetty") | |
470 | "--noclear" #$tty | |
471 | #$@(if auto-login | |
472 | #~("--autologin" #$auto-login) | |
473 | #~()) | |
474 | #$@(if login-program | |
475 | #~("--loginprog" #$login-program) | |
476 | #~()) | |
477 | #$@(if login-pause? | |
478 | #~("--loginpause") | |
479 | #~())))) | |
480 | (stop #~(make-kill-destructor))))))) | |
481 | ||
482 | (define mingetty-service-type | |
483 | (service-type (name 'mingetty) | |
484 | (extensions (list (service-extension dmd-root-service-type | |
485 | mingetty-dmd-service) | |
486 | (service-extension pam-root-service-type | |
487 | mingetty-pam-service))))) | |
488 | ||
489 | (define* (mingetty-service config) | |
490 | "Return a service to run mingetty according to @var{config}, which specifies | |
491 | the tty to run, among other things." | |
492 | (service mingetty-service-type config)) | |
db4fdc04 | 493 | |
6454b333 LC |
494 | (define-record-type* <nscd-configuration> nscd-configuration |
495 | make-nscd-configuration | |
496 | nscd-configuration? | |
497 | (log-file nscd-configuration-log-file ;string | |
498 | (default "/var/log/nscd.log")) | |
499 | (debug-level nscd-debug-level ;integer | |
500 | (default 0)) | |
501 | ;; TODO: See nscd.conf in glibc for other options to add. | |
502 | (caches nscd-configuration-caches ;list of <nscd-cache> | |
b893f1ae LC |
503 | (default %nscd-default-caches)) |
504 | (name-services nscd-configuration-name-services ;list of <packages> | |
505 | (default '())) | |
506 | (glibc nscd-configuration-glibc ;<package> | |
507 | (default (canonical-package glibc)))) | |
6454b333 LC |
508 | |
509 | (define-record-type* <nscd-cache> nscd-cache make-nscd-cache | |
510 | nscd-cache? | |
511 | (database nscd-cache-database) ;symbol | |
512 | (positive-time-to-live nscd-cache-positive-time-to-live) ;integer | |
513 | (negative-time-to-live nscd-cache-negative-time-to-live | |
514 | (default 20)) ;integer | |
515 | (suggested-size nscd-cache-suggested-size ;integer ("default module | |
516 | ;of hash table") | |
517 | (default 211)) | |
518 | (check-files? nscd-cache-check-files? ;Boolean | |
519 | (default #t)) | |
520 | (persistent? nscd-cache-persistent? ;Boolean | |
521 | (default #t)) | |
522 | (shared? nscd-cache-shared? ;Boolean | |
523 | (default #t)) | |
524 | (max-database-size nscd-cache-max-database-size ;integer | |
525 | (default (* 32 (expt 2 20)))) | |
526 | (auto-propagate? nscd-cache-auto-propagate? ;Boolean | |
527 | (default #t))) | |
528 | ||
529 | (define %nscd-default-caches | |
530 | ;; Caches that we want to enable by default. Note that when providing an | |
531 | ;; empty nscd.conf, all caches are disabled. | |
532 | (list (nscd-cache (database 'hosts) | |
533 | ||
534 | ;; Aggressively cache the host name cache to improve | |
535 | ;; privacy and resilience. | |
536 | (positive-time-to-live (* 3600 12)) | |
537 | (negative-time-to-live 20) | |
538 | (persistent? #t)) | |
539 | ||
540 | (nscd-cache (database 'services) | |
541 | ||
542 | ;; Services are unlikely to change, so we can be even more | |
543 | ;; aggressive. | |
544 | (positive-time-to-live (* 3600 24)) | |
545 | (negative-time-to-live 3600) | |
546 | (check-files? #t) ;check /etc/services changes | |
547 | (persistent? #t)))) | |
548 | ||
549 | (define %nscd-default-configuration | |
550 | ;; Default nscd configuration. | |
551 | (nscd-configuration)) | |
552 | ||
553 | (define (nscd.conf-file config) | |
554 | "Return the @file{nscd.conf} configuration file for @var{config}, an | |
555 | @code{<nscd-configuration>} object." | |
556 | (define cache->config | |
557 | (match-lambda | |
be1c2c54 LC |
558 | (($ <nscd-cache> (= symbol->string database) |
559 | positive-ttl negative-ttl size check-files? | |
560 | persistent? shared? max-size propagate?) | |
561 | (string-append "\nenable-cache\t" database "\tyes\n" | |
562 | ||
563 | "positive-time-to-live\t" database "\t" | |
564 | (number->string positive-ttl) "\n" | |
565 | "negative-time-to-live\t" database "\t" | |
566 | (number->string negative-ttl) "\n" | |
567 | "suggested-size\t" database "\t" | |
568 | (number->string size) "\n" | |
569 | "check-files\t" database "\t" | |
570 | (if check-files? "yes\n" "no\n") | |
571 | "persistent\t" database "\t" | |
572 | (if persistent? "yes\n" "no\n") | |
573 | "shared\t" database "\t" | |
574 | (if shared? "yes\n" "no\n") | |
575 | "max-db-size\t" database "\t" | |
576 | (number->string max-size) "\n" | |
577 | "auto-propagate\t" database "\t" | |
578 | (if propagate? "yes\n" "no\n"))))) | |
6454b333 LC |
579 | |
580 | (match config | |
581 | (($ <nscd-configuration> log-file debug-level caches) | |
be1c2c54 LC |
582 | (plain-file "nscd.conf" |
583 | (string-append "\ | |
6454b333 | 584 | # Configuration of libc's name service cache daemon (nscd).\n\n" |
be1c2c54 LC |
585 | (if log-file |
586 | (string-append "logfile\t" log-file) | |
587 | "") | |
588 | "\n" | |
589 | (if debug-level | |
590 | (string-append "debug-level\t" | |
591 | (number->string debug-level)) | |
592 | "") | |
593 | "\n" | |
594 | (string-concatenate | |
595 | (map cache->config caches))))))) | |
6454b333 | 596 | |
0adfe95a LC |
597 | (define (nscd-dmd-service config) |
598 | "Return a dmd service for CONFIG, an <nscd-configuration> object." | |
599 | (let ((nscd.conf (nscd.conf-file config)) | |
600 | (name-services (nscd-configuration-name-services config))) | |
601 | (list (dmd-service | |
602 | (documentation "Run libc's name service cache daemon (nscd).") | |
603 | (provision '(nscd)) | |
604 | (requirement '(user-processes)) | |
605 | (start #~(make-forkexec-constructor | |
606 | (list (string-append #$(nscd-configuration-glibc config) | |
607 | "/sbin/nscd") | |
608 | "-f" #$nscd.conf "--foreground") | |
609 | ||
610 | #:environment-variables | |
611 | (list (string-append "LD_LIBRARY_PATH=" | |
612 | (string-join | |
613 | (map (lambda (dir) | |
614 | (string-append dir "/lib")) | |
615 | (list #$@name-services)) | |
616 | ":"))))) | |
617 | (stop #~(make-kill-destructor)) | |
618 | ||
619 | (respawn? #f))))) | |
620 | ||
621 | (define nscd-activation | |
622 | ;; Actions to take before starting nscd. | |
623 | #~(begin | |
624 | (use-modules (guix build utils)) | |
625 | (mkdir-p "/var/run/nscd") | |
626 | (mkdir-p "/var/db/nscd"))) ;for the persistent cache | |
627 | ||
628 | (define nscd-service-type | |
629 | (service-type (name 'nscd) | |
630 | (extensions | |
631 | (list (service-extension activation-service-type | |
632 | (const nscd-activation)) | |
633 | (service-extension dmd-root-service-type | |
634 | nscd-dmd-service))) | |
635 | ||
636 | ;; This can be extended by providing additional name services | |
637 | ;; such as nss-mdns. | |
638 | (compose concatenate) | |
639 | (extend (lambda (config name-services) | |
640 | (nscd-configuration | |
641 | (inherit config) | |
642 | (name-services (append | |
643 | (nscd-configuration-name-services config) | |
644 | name-services))))))) | |
645 | ||
b893f1ae | 646 | (define* (nscd-service #:optional (config %nscd-default-configuration)) |
6454b333 | 647 | "Return a service that runs libc's name service cache daemon (nscd) with the |
b893f1ae LC |
648 | given @var{config}---an @code{<nscd-configuration>} object. @xref{Name |
649 | Service Switch}, for an example." | |
0adfe95a LC |
650 | (service nscd-service-type config)) |
651 | ||
652 | (define syslog-service-type | |
653 | (dmd-service-type | |
00184239 | 654 | 'syslog |
0adfe95a LC |
655 | (lambda (config-file) |
656 | (dmd-service | |
657 | (documentation "Run the syslog daemon (syslogd).") | |
658 | (provision '(syslogd)) | |
659 | (requirement '(user-processes)) | |
660 | (start #~(make-forkexec-constructor | |
661 | (list (string-append #$inetutils "/libexec/syslogd") | |
662 | "--no-detach" "--rcfile" #$config-file))) | |
663 | (stop #~(make-kill-destructor)))))) | |
be1c2c54 LC |
664 | |
665 | ;; Snippet adapted from the GNU inetutils manual. | |
666 | (define %default-syslog.conf | |
667 | (plain-file "syslog.conf" " | |
1f3fc60d | 668 | # Log all error messages, authentication messages of |
db4fdc04 LC |
669 | # level notice or higher and anything of level err or |
670 | # higher to the console. | |
671 | # Don't log private authentication messages! | |
6a191274 | 672 | *.alert;auth.notice;authpriv.none /dev/console |
db4fdc04 LC |
673 | |
674 | # Log anything (except mail) of level info or higher. | |
675 | # Don't log private authentication messages! | |
676 | *.info;mail.none;authpriv.none /var/log/messages | |
677 | ||
678 | # Same, in a different place. | |
679 | *.info;mail.none;authpriv.none /dev/tty12 | |
680 | ||
681 | # The authpriv file has restricted access. | |
682 | authpriv.* /var/log/secure | |
683 | ||
684 | # Log all the mail messages in one place. | |
685 | mail.* /var/log/maillog | |
be1c2c54 | 686 | ")) |
0adfe95a | 687 | |
be1c2c54 LC |
688 | (define* (syslog-service #:key (config-file %default-syslog.conf)) |
689 | "Return a service that runs @code{syslogd}. | |
690 | If configuration file name @var{config-file} is not specified, use some | |
691 | reasonable default settings." | |
0adfe95a | 692 | (service syslog-service-type config-file)) |
db4fdc04 LC |
693 | |
694 | (define* (guix-build-accounts count #:key | |
ab6a279a | 695 | (group "guixbuild") |
db4fdc04 | 696 | (first-uid 30001) |
db4fdc04 LC |
697 | (shadow shadow)) |
698 | "Return a list of COUNT user accounts for Guix build users, with UIDs | |
699 | starting at FIRST-UID, and under GID." | |
5250a4f2 LC |
700 | (unfold (cut > <> count) |
701 | (lambda (n) | |
702 | (user-account | |
703 | (name (format #f "guixbuilder~2,'0d" n)) | |
704 | (system? #t) | |
705 | (uid (+ first-uid n -1)) | |
706 | (group group) | |
707 | ||
708 | ;; guix-daemon expects GROUP to be listed as a | |
709 | ;; supplementary group too: | |
710 | ;; <http://lists.gnu.org/archive/html/bug-guix/2013-01/msg00239.html>. | |
711 | (supplementary-groups (list group "kvm")) | |
712 | ||
713 | (comment (format #f "Guix Build User ~2d" n)) | |
714 | (home-directory "/var/empty") | |
715 | (shell #~(string-append #$shadow "/sbin/nologin")))) | |
716 | 1+ | |
717 | 1)) | |
db4fdc04 | 718 | |
2c5c696c LC |
719 | (define (hydra-key-authorization guix) |
720 | "Return a gexp with code to register the hydra.gnu.org public key with | |
721 | GUIX." | |
722 | #~(unless (file-exists? "/etc/guix/acl") | |
723 | (let ((pid (primitive-fork))) | |
724 | (case pid | |
725 | ((0) | |
726 | (let* ((key (string-append #$guix | |
727 | "/share/guix/hydra.gnu.org.pub")) | |
728 | (port (open-file key "r0b"))) | |
729 | (format #t "registering public key '~a'...~%" key) | |
730 | (close-port (current-input-port)) | |
2c5c696c LC |
731 | (dup port 0) |
732 | (execl (string-append #$guix "/bin/guix") | |
733 | "guix" "archive" "--authorize") | |
734 | (exit 1))) | |
735 | (else | |
736 | (let ((status (cdr (waitpid pid)))) | |
737 | (unless (zero? status) | |
738 | (format (current-error-port) "warning: \ | |
739 | failed to register hydra.gnu.org public key: ~a~%" status)))))))) | |
740 | ||
0adfe95a LC |
741 | (define-record-type* <guix-configuration> |
742 | guix-configuration make-guix-configuration | |
743 | guix-configuration? | |
744 | (guix guix-configuration-guix ;<package> | |
745 | (default guix)) | |
746 | (build-group guix-configuration-build-group ;string | |
747 | (default "guixbuild")) | |
748 | (build-accounts guix-configuration-build-accounts ;integer | |
749 | (default 10)) | |
750 | (authorize-key? guix-configuration-authorize-key? ;Boolean | |
751 | (default #t)) | |
752 | (use-substitutes? guix-configuration-use-substitutes? ;Boolean | |
753 | (default #t)) | |
754 | (extra-options guix-configuration-extra-options ;list of strings | |
755 | (default '())) | |
756 | (lsof guix-configuration-lsof ;<package> | |
757 | (default lsof)) | |
758 | (lsh guix-configuration-lsh ;<package> | |
759 | (default lsh))) | |
760 | ||
761 | (define %default-guix-configuration | |
762 | (guix-configuration)) | |
763 | ||
764 | (define (guix-dmd-service config) | |
765 | "Return a <dmd-service> for the Guix daemon service with CONFIG." | |
766 | (match config | |
767 | (($ <guix-configuration> guix build-group build-accounts authorize-key? | |
768 | use-substitutes? extra-options lsof lsh) | |
769 | (list (dmd-service | |
770 | (documentation "Run the Guix daemon.") | |
771 | (provision '(guix-daemon)) | |
772 | (requirement '(user-processes)) | |
773 | (start | |
774 | #~(make-forkexec-constructor | |
775 | (list (string-append #$guix "/bin/guix-daemon") | |
776 | "--build-users-group" #$build-group | |
777 | #$@(if use-substitutes? | |
778 | '() | |
779 | '("--no-substitutes")) | |
780 | #$@extra-options) | |
781 | ||
782 | ;; Add 'lsof' (for the GC) and 'lsh' (for offloading) to the | |
783 | ;; daemon's $PATH. | |
784 | #:environment-variables | |
785 | (list (string-append "PATH=" #$lsof "/bin:" #$lsh "/bin")))) | |
786 | (stop #~(make-kill-destructor))))))) | |
787 | ||
788 | (define (guix-accounts config) | |
789 | "Return the user accounts and user groups for CONFIG." | |
790 | (match config | |
791 | (($ <guix-configuration> _ build-group build-accounts) | |
792 | (cons (user-group | |
793 | (name build-group) | |
794 | (system? #t) | |
795 | ||
796 | ;; Use a fixed GID so that we can create the store with the right | |
797 | ;; owner. | |
798 | (id 30000)) | |
799 | (guix-build-accounts build-accounts | |
800 | #:group build-group))))) | |
801 | ||
802 | (define (guix-activation config) | |
803 | "Return the activation gexp for CONFIG." | |
804 | (match config | |
805 | (($ <guix-configuration> guix build-group build-accounts authorize-key?) | |
806 | ;; Assume that the store has BUILD-GROUP as its group. We could | |
807 | ;; otherwise call 'chown' here, but the problem is that on a COW unionfs, | |
808 | ;; chown leads to an entire copy of the tree, which is a bad idea. | |
809 | ||
810 | ;; Optionally authorize hydra.gnu.org's key. | |
811 | (and authorize-key? | |
812 | (hydra-key-authorization guix))))) | |
813 | ||
814 | (define guix-service-type | |
815 | (service-type | |
816 | (name 'guix) | |
817 | (extensions | |
818 | (list (service-extension dmd-root-service-type guix-dmd-service) | |
819 | (service-extension account-service-type guix-accounts) | |
820 | (service-extension activation-service-type guix-activation))))) | |
821 | ||
822 | (define* (guix-service #:optional (config %default-guix-configuration)) | |
823 | "Return a service that runs the Guix build daemon according to | |
824 | @var{config}." | |
825 | (service guix-service-type config)) | |
826 | ||
827 | \f | |
828 | ;;; | |
829 | ;;; Udev. | |
830 | ;;; | |
831 | ||
832 | (define-record-type* <udev-configuration> | |
833 | udev-configuration make-udev-configuration | |
834 | udev-configuration? | |
835 | (udev udev-configuration-udev ;<package> | |
836 | (default udev)) | |
837 | (rules udev-configuration-rules ;list of <package> | |
838 | (default '()))) | |
db4fdc04 | 839 | |
ecd06ca9 LC |
840 | (define (udev-rules-union packages) |
841 | "Return the union of the @code{lib/udev/rules.d} directories found in each | |
842 | item of @var{packages}." | |
843 | (define build | |
844 | #~(begin | |
845 | (use-modules (guix build union) | |
846 | (guix build utils) | |
847 | (srfi srfi-1) | |
848 | (srfi srfi-26)) | |
849 | ||
850 | (define %standard-locations | |
851 | '("/lib/udev/rules.d" "/libexec/udev/rules.d")) | |
852 | ||
853 | (define (rules-sub-directory directory) | |
854 | ;; Return the sub-directory of DIRECTORY containing udev rules, or | |
855 | ;; #f if none was found. | |
856 | (find directory-exists? | |
857 | (map (cut string-append directory <>) %standard-locations))) | |
858 | ||
859 | (mkdir-p (string-append #$output "/lib/udev")) | |
860 | (union-build (string-append #$output "/lib/udev/rules.d") | |
861 | (filter-map rules-sub-directory '#$packages)))) | |
862 | ||
be1c2c54 LC |
863 | (computed-file "udev-rules" build |
864 | #:modules '((guix build union) | |
865 | (guix build utils)))) | |
ecd06ca9 | 866 | |
7f28bf9a LC |
867 | (define* (kvm-udev-rule) |
868 | "Return a directory with a udev rule that changes the group of | |
869 | @file{/dev/kvm} to \"kvm\" and makes it #o660." | |
870 | ;; Apparently QEMU-KVM used to ship this rule, but now we have to add it by | |
871 | ;; ourselves. | |
be1c2c54 LC |
872 | (computed-file "kvm-udev-rules" |
873 | #~(begin | |
874 | (use-modules (guix build utils)) | |
875 | ||
876 | (define rules.d | |
877 | (string-append #$output "/lib/udev/rules.d")) | |
878 | ||
879 | (mkdir-p rules.d) | |
880 | (call-with-output-file | |
881 | (string-append rules.d "/90-kvm.rules") | |
882 | (lambda (port) | |
883 | ;; Build users are part of the "kvm" group, so we | |
884 | ;; can fearlessly make /dev/kvm 660 (see | |
885 | ;; <http://bugs.gnu.org/18994>, for background.) | |
886 | (display "\ | |
64720891 | 887 | KERNEL==\"kvm\", GROUP=\"kvm\", MODE=\"0660\"\n" port)))) |
be1c2c54 | 888 | #:modules '((guix build utils)))) |
7f28bf9a | 889 | |
0adfe95a LC |
890 | (define udev-dmd-service |
891 | ;; Return a <dmd-service> for UDEV with RULES. | |
892 | (match-lambda | |
893 | (($ <udev-configuration> udev rules) | |
894 | (let* ((rules (udev-rules-union (cons* udev (kvm-udev-rule) rules))) | |
895 | (udev.conf (computed-file "udev.conf" | |
896 | #~(call-with-output-file #$output | |
897 | (lambda (port) | |
898 | (format port | |
899 | "udev_rules=\"~a/lib/udev/rules.d\"\n" | |
900 | #$rules)))))) | |
901 | (list | |
902 | (dmd-service | |
903 | (provision '(udev)) | |
904 | ||
905 | ;; Udev needs /dev to be a 'devtmpfs' mount so that new device nodes can | |
906 | ;; be added: see | |
907 | ;; <http://www.linuxfromscratch.org/lfs/view/development/chapter07/udev.html>. | |
908 | (requirement '(root-file-system)) | |
909 | ||
910 | (documentation "Populate the /dev directory, dynamically.") | |
911 | (start #~(lambda () | |
912 | (define find | |
913 | (@ (srfi srfi-1) find)) | |
914 | ||
915 | (define udevd | |
916 | ;; Choose the right 'udevd'. | |
917 | (find file-exists? | |
918 | (map (lambda (suffix) | |
919 | (string-append #$udev suffix)) | |
920 | '("/libexec/udev/udevd" ;udev | |
921 | "/sbin/udevd")))) ;eudev | |
922 | ||
923 | (define (wait-for-udevd) | |
924 | ;; Wait until someone's listening on udevd's control | |
925 | ;; socket. | |
926 | (let ((sock (socket AF_UNIX SOCK_SEQPACKET 0))) | |
927 | (let try () | |
928 | (catch 'system-error | |
929 | (lambda () | |
930 | (connect sock PF_UNIX "/run/udev/control") | |
931 | (close-port sock)) | |
932 | (lambda args | |
933 | (format #t "waiting for udevd...~%") | |
934 | (usleep 500000) | |
935 | (try)))))) | |
936 | ||
937 | ;; Allow udev to find the modules. | |
938 | (setenv "LINUX_MODULE_DIRECTORY" | |
939 | "/run/booted-system/kernel/lib/modules") | |
940 | ||
941 | ;; The first one is for udev, the second one for eudev. | |
942 | (setenv "UDEV_CONFIG_FILE" #$udev.conf) | |
943 | (setenv "EUDEV_RULES_DIRECTORY" | |
944 | (string-append #$rules "/lib/udev/rules.d")) | |
945 | ||
946 | (let ((pid (primitive-fork))) | |
947 | (case pid | |
948 | ((0) | |
949 | (exec-command (list udevd))) | |
950 | (else | |
951 | ;; Wait until udevd is up and running. This | |
952 | ;; appears to be needed so that the events | |
953 | ;; triggered below are actually handled. | |
954 | (wait-for-udevd) | |
955 | ||
956 | ;; Trigger device node creation. | |
957 | (system* (string-append #$udev "/bin/udevadm") | |
958 | "trigger" "--action=add") | |
959 | ||
960 | ;; Wait for things to settle down. | |
961 | (system* (string-append #$udev "/bin/udevadm") | |
962 | "settle") | |
963 | pid))))) | |
964 | (stop #~(make-kill-destructor)) | |
965 | ||
966 | ;; When halting the system, 'udev' is actually killed by | |
967 | ;; 'user-processes', i.e., before its own 'stop' method was called. | |
968 | ;; Thus, make sure it is not respawned. | |
969 | (respawn? #f))))))) | |
970 | ||
971 | (define udev-service-type | |
972 | (service-type (name 'udev) | |
973 | (extensions | |
974 | (list (service-extension dmd-root-service-type | |
975 | udev-dmd-service))) | |
976 | ||
977 | (compose concatenate) ;concatenate the list of rules | |
978 | (extend (lambda (config rules) | |
979 | (match config | |
980 | (($ <udev-configuration> udev initial-rules) | |
981 | (udev-configuration | |
982 | (udev udev) | |
983 | (rules (append initial-rules rules))))))))) | |
984 | ||
8a7330fd | 985 | (define* (udev-service #:key (udev eudev) (rules '())) |
ecd06ca9 LC |
986 | "Run @var{udev}, which populates the @file{/dev} directory dynamically. Get |
987 | extra rules from the packages listed in @var{rules}." | |
0adfe95a LC |
988 | (service udev-service-type |
989 | (udev-configuration (udev udev) (rules rules)))) | |
990 | ||
991 | (define device-mapping-service-type | |
992 | (dmd-service-type | |
00184239 | 993 | 'device-mapping |
0adfe95a LC |
994 | (match-lambda |
995 | ((target open close) | |
996 | (dmd-service | |
997 | (provision (list (symbol-append 'device-mapping- (string->symbol target)))) | |
998 | (requirement '(udev)) | |
999 | (documentation "Map a device node using Linux's device mapper.") | |
1000 | (start #~(lambda () #$open)) | |
1001 | (stop #~(lambda _ (not #$close))) | |
1002 | (respawn? #f)))))) | |
151a2c07 | 1003 | |
722554a3 | 1004 | (define (device-mapping-service target open close) |
5dae0186 | 1005 | "Return a service that maps device @var{target}, a string such as |
722554a3 LC |
1006 | @code{\"home\"} (meaning @code{/dev/mapper/home}). Evaluate @var{open}, a |
1007 | gexp, to open it, and evaluate @var{close} to close it." | |
0adfe95a LC |
1008 | (service device-mapping-service-type |
1009 | (list target open close))) | |
1010 | ||
1011 | (define swap-service-type | |
1012 | (dmd-service-type | |
00184239 | 1013 | 'swap |
0adfe95a LC |
1014 | (lambda (device) |
1015 | (define requirement | |
1016 | (if (string-prefix? "/dev/mapper/" device) | |
1017 | (list (symbol-append 'device-mapping- | |
1018 | (string->symbol (basename device)))) | |
1019 | '())) | |
1020 | ||
1021 | (dmd-service | |
1022 | (provision (list (symbol-append 'swap- (string->symbol device)))) | |
1023 | (requirement `(udev ,@requirement)) | |
1024 | (documentation "Enable the given swap device.") | |
1025 | (start #~(lambda () | |
1026 | (restart-on-EINTR (swapon #$device)) | |
1027 | #t)) | |
1028 | (stop #~(lambda _ | |
1029 | (restart-on-EINTR (swapoff #$device)) | |
1030 | #f)) | |
1031 | (respawn? #f))))) | |
5dae0186 | 1032 | |
2a13d05e LC |
1033 | (define (swap-service device) |
1034 | "Return a service that uses @var{device} as a swap device." | |
0adfe95a | 1035 | (service swap-service-type device)) |
2a13d05e | 1036 | |
8b198abe LC |
1037 | (define %base-services |
1038 | ;; Convenience variable holding the basic services. | |
ce8a6dfc | 1039 | (let ((motd (plain-file "motd" " |
8b198abe | 1040 | This is the GNU operating system, welcome!\n\n"))) |
62ca0fdf LC |
1041 | (list (console-font-service "tty1") |
1042 | (console-font-service "tty2") | |
1043 | (console-font-service "tty3") | |
1044 | (console-font-service "tty4") | |
1045 | (console-font-service "tty5") | |
1046 | (console-font-service "tty6") | |
1047 | ||
66e4f01c LC |
1048 | (mingetty-service (mingetty-configuration |
1049 | (tty "tty1") (motd motd))) | |
1050 | (mingetty-service (mingetty-configuration | |
1051 | (tty "tty2") (motd motd))) | |
1052 | (mingetty-service (mingetty-configuration | |
1053 | (tty "tty3") (motd motd))) | |
1054 | (mingetty-service (mingetty-configuration | |
1055 | (tty "tty4") (motd motd))) | |
1056 | (mingetty-service (mingetty-configuration | |
1057 | (tty "tty5") (motd motd))) | |
1058 | (mingetty-service (mingetty-configuration | |
1059 | (tty "tty6") (motd motd))) | |
1060 | ||
4a3b3b07 LC |
1061 | (static-networking-service "lo" "127.0.0.1" |
1062 | #:provision '(loopback)) | |
8b198abe LC |
1063 | (syslog-service) |
1064 | (guix-service) | |
151a2c07 | 1065 | (nscd-service) |
ecd06ca9 | 1066 | |
52bd5734 LC |
1067 | ;; The LVM2 rules are needed as soon as LVM2 or the device-mapper is |
1068 | ;; used, so enable them by default. The FUSE and ALSA rules are | |
1069 | ;; less critical, but handy. | |
68ac258b | 1070 | (udev-service #:rules (list lvm2 fuse alsa-utils crda))))) |
8b198abe | 1071 | |
db4fdc04 | 1072 | ;;; base.scm ends here |