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033adfe7 | 1 | ;;; GNU Guix --- Functional package management for GNU |
be681773 | 2 | ;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> |
033adfe7 LC |
3 | ;;; |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (define-module (gnu system) | |
20 | #:use-module (guix store) | |
21 | #:use-module (guix monads) | |
02100028 | 22 | #:use-module (guix gexp) |
033adfe7 LC |
23 | #:use-module (guix records) |
24 | #:use-module (guix packages) | |
25 | #:use-module (guix derivations) | |
29fce8b6 | 26 | #:use-module (guix profiles) |
033adfe7 LC |
27 | #:use-module (gnu packages base) |
28 | #:use-module (gnu packages bash) | |
bdb36958 | 29 | #:use-module (gnu packages guile) |
89a0d00a | 30 | #:use-module (gnu packages which) |
9de46ffb | 31 | #:use-module (gnu packages admin) |
8a07c289 | 32 | #:use-module (gnu packages linux) |
a96a82d7 | 33 | #:use-module (gnu packages pciutils) |
033adfe7 | 34 | #:use-module (gnu packages package-management) |
6f436c54 LC |
35 | #:use-module (gnu packages which) |
36 | #:use-module (gnu packages less) | |
37 | #:use-module (gnu packages zile) | |
55e70e65 LC |
38 | #:use-module (gnu packages nano) |
39 | #:use-module (gnu packages lsof) | |
a68c6967 | 40 | #:use-module (gnu packages gawk) |
18316d86 | 41 | #:use-module (gnu packages man) |
a68c6967 | 42 | #:use-module (gnu packages compression) |
f34c56be | 43 | #:use-module (gnu packages firmware) |
a68c6967 | 44 | #:autoload (gnu packages cryptsetup) (cryptsetup) |
db4fdc04 LC |
45 | #:use-module (gnu services) |
46 | #:use-module (gnu services dmd) | |
47 | #:use-module (gnu services base) | |
033adfe7 LC |
48 | #:use-module (gnu system grub) |
49 | #:use-module (gnu system shadow) | |
598e19dc | 50 | #:use-module (gnu system locale) |
033adfe7 | 51 | #:use-module (gnu system linux) |
735c6dd7 | 52 | #:use-module (gnu system linux-initrd) |
c5df1839 | 53 | #:use-module (gnu system file-systems) |
033adfe7 LC |
54 | #:use-module (ice-9 match) |
55 | #:use-module (srfi srfi-1) | |
56 | #:use-module (srfi srfi-26) | |
598e19dc LC |
57 | #:use-module (srfi srfi-34) |
58 | #:use-module (srfi srfi-35) | |
033adfe7 LC |
59 | #:export (operating-system |
60 | operating-system? | |
d5b429ab LC |
61 | |
62 | operating-system-bootloader | |
033adfe7 | 63 | operating-system-services |
217a5b85 | 64 | operating-system-user-services |
033adfe7 | 65 | operating-system-packages |
fd3bfc44 | 66 | operating-system-host-name |
c65e1834 | 67 | operating-system-hosts-file |
fd3bfc44 LC |
68 | operating-system-kernel |
69 | operating-system-initrd | |
70 | operating-system-users | |
71 | operating-system-groups | |
548d4c13 | 72 | operating-system-issue |
fd3bfc44 LC |
73 | operating-system-packages |
74 | operating-system-timezone | |
75 | operating-system-locale | |
598e19dc | 76 | operating-system-locale-definitions |
5dae0186 | 77 | operating-system-mapped-devices |
83bcd0b8 | 78 | operating-system-file-systems |
b25937e3 | 79 | operating-system-activation-script |
033adfe7 | 80 | |
1aa0033b | 81 | operating-system-derivation |
83bcd0b8 | 82 | operating-system-profile |
6f436c54 LC |
83 | operating-system-grub.cfg |
84 | ||
568841d4 | 85 | local-host-aliases |
df5ce088 | 86 | %setuid-programs |
5dae0186 | 87 | %base-packages |
f34c56be | 88 | %base-firmware |
5dae0186 LC |
89 | |
90 | luks-device-mapping)) | |
033adfe7 LC |
91 | |
92 | ;;; Commentary: | |
93 | ;;; | |
94 | ;;; This module supports whole-system configuration. | |
95 | ;;; | |
96 | ;;; Code: | |
97 | ||
98 | ;; System-wide configuration. | |
99 | ;; TODO: Add per-field docstrings/stexi. | |
100 | (define-record-type* <operating-system> operating-system | |
101 | make-operating-system | |
102 | operating-system? | |
103 | (kernel operating-system-kernel ; package | |
104 | (default linux-libre)) | |
d5b429ab LC |
105 | (bootloader operating-system-bootloader) ; <grub-configuration> |
106 | ||
83bcd0b8 | 107 | (initrd operating-system-initrd ; (list fs) -> M derivation |
060238ae | 108 | (default base-initrd)) |
f34c56be LC |
109 | (firmware operating-system-firmware ; list of packages |
110 | (default %base-firmware)) | |
033adfe7 LC |
111 | |
112 | (host-name operating-system-host-name) ; string | |
c65e1834 LC |
113 | (hosts-file operating-system-hosts-file ; M item | #f |
114 | (default #f)) | |
033adfe7 | 115 | |
5dae0186 LC |
116 | (mapped-devices operating-system-mapped-devices ; list of <mapped-device> |
117 | (default '())) | |
8a6d2731 | 118 | (file-systems operating-system-file-systems) ; list of fs |
2a13d05e LC |
119 | (swap-devices operating-system-swap-devices ; list of strings |
120 | (default '())) | |
033adfe7 LC |
121 | |
122 | (users operating-system-users ; list of user accounts | |
123 | (default '())) | |
124 | (groups operating-system-groups ; list of user groups | |
773e956d | 125 | (default %base-groups)) |
033adfe7 | 126 | |
40281c54 LC |
127 | (skeletons operating-system-skeletons ; list of name/monadic value |
128 | (default (default-skeletons))) | |
548d4c13 LC |
129 | (issue operating-system-issue ; string |
130 | (default %default-issue)) | |
40281c54 | 131 | |
033adfe7 | 132 | (packages operating-system-packages ; list of (PACKAGE OUTPUT...) |
6f436c54 | 133 | (default %base-packages)) ; or just PACKAGE |
033adfe7 LC |
134 | |
135 | (timezone operating-system-timezone) ; string | |
8a6d2731 | 136 | (locale operating-system-locale ; string |
598e19dc LC |
137 | (default "en_US.utf8")) |
138 | (locale-definitions operating-system-locale-definitions ; list of <locale-definition> | |
139 | (default %default-locale-definitions)) | |
033adfe7 | 140 | |
217a5b85 | 141 | (services operating-system-user-services ; list of monadic services |
09e028f4 LC |
142 | (default %base-services)) |
143 | ||
144 | (pam-services operating-system-pam-services ; list of PAM services | |
145 | (default (base-pam-services))) | |
146 | (setuid-programs operating-system-setuid-programs | |
69689380 | 147 | (default %setuid-programs)) ; list of string-valued gexps |
033adfe7 | 148 | |
69689380 LC |
149 | (sudoers operating-system-sudoers ; /etc/sudoers contents |
150 | (default %sudoers-specification))) | |
033adfe7 | 151 | |
2717a89a | 152 | \f |
033adfe7 LC |
153 | ;;; |
154 | ;;; Derivation. | |
155 | ;;; | |
156 | ||
23f6056b | 157 | (define* (file-union name files) |
033adfe7 LC |
158 | "Return a derivation that builds a directory containing all of FILES. Each |
159 | item in FILES must be a list where the first element is the file name to use | |
23f6056b LC |
160 | in the new directory, and the second element is a gexp denoting the target |
161 | file." | |
162 | (define builder | |
163 | #~(begin | |
164 | (mkdir #$output) | |
165 | (chdir #$output) | |
166 | #$@(map (match-lambda | |
167 | ((target source) | |
168 | #~(symlink #$source #$target))) | |
169 | files))) | |
033adfe7 | 170 | |
23f6056b | 171 | (gexp->derivation name builder)) |
033adfe7 | 172 | |
f34c56be LC |
173 | (define (directory-union name things) |
174 | "Return a directory that is the union of THINGS." | |
175 | (match things | |
176 | ((one) | |
177 | ;; Only one thing; return it. | |
178 | (with-monad %store-monad (return one))) | |
179 | (_ | |
180 | (gexp->derivation name | |
181 | #~(begin | |
182 | (use-modules (guix build union)) | |
183 | (union-build #$output '#$things)) | |
184 | #:modules '((guix build union)) | |
185 | #:local-build? #t)))) | |
186 | ||
40281c54 LC |
187 | \f |
188 | ;;; | |
189 | ;;; Services. | |
190 | ;;; | |
191 | ||
722554a3 | 192 | (define (open-luks-device source target) |
5dae0186 LC |
193 | "Return a gexp that maps SOURCE to TARGET as a LUKS device, using |
194 | 'cryptsetup'." | |
195 | #~(zero? (system* (string-append #$cryptsetup "/sbin/cryptsetup") | |
196 | "open" "--type" "luks" | |
197 | #$source #$target))) | |
198 | ||
722554a3 LC |
199 | (define (close-luks-device source target) |
200 | "Return a gexp that closes TARGET, a LUKS device." | |
201 | #~(zero? (system* (string-append #$cryptsetup "/sbin/cryptsetup") | |
202 | "close" #$target))) | |
203 | ||
204 | (define luks-device-mapping | |
205 | ;; The type of LUKS mapped devices. | |
206 | (mapped-device-kind | |
207 | (open open-luks-device) | |
208 | (close close-luks-device))) | |
209 | ||
023f391c LC |
210 | (define (other-file-system-services os) |
211 | "Return file system services for the file systems of OS that are not marked | |
212 | as 'needed-for-boot'." | |
213 | (define file-systems | |
4d6b879c | 214 | (remove file-system-needed-for-boot? |
023f391c LC |
215 | (operating-system-file-systems os))) |
216 | ||
5dae0186 LC |
217 | (define (device-mappings fs) |
218 | (filter (lambda (md) | |
219 | (string=? (string-append "/dev/mapper/" | |
220 | (mapped-device-target md)) | |
221 | (file-system-device fs))) | |
222 | (operating-system-mapped-devices os))) | |
223 | ||
224 | (define (requirements fs) | |
225 | (map (lambda (md) | |
226 | (symbol-append 'device-mapping- | |
227 | (string->symbol (mapped-device-target md)))) | |
228 | (device-mappings fs))) | |
229 | ||
023f391c | 230 | (sequence %store-monad |
5dae0186 LC |
231 | (map (lambda (fs) |
232 | (match fs | |
233 | (($ <file-system> device title target type flags opts | |
234 | #f check? create?) | |
235 | (file-system-service device target type | |
236 | #:title title | |
237 | #:requirements (requirements fs) | |
238 | #:check? check? | |
239 | #:create-mount-point? create? | |
240 | #:options opts | |
241 | #:flags flags)))) | |
023f391c LC |
242 | file-systems))) |
243 | ||
de1c158f LC |
244 | (define (mapped-device-user device file-systems) |
245 | "Return a file system among FILE-SYSTEMS that uses DEVICE, or #f." | |
246 | (let ((target (string-append "/dev/mapper/" (mapped-device-target device)))) | |
247 | (find (lambda (fs) | |
248 | (string=? (file-system-device fs) target)) | |
249 | file-systems))) | |
250 | ||
251 | (define (operating-system-user-mapped-devices os) | |
252 | "Return the subset of mapped devices that can be installed in | |
253 | user-land--i.e., those not needed during boot." | |
9cb426b8 LC |
254 | (let ((devices (operating-system-mapped-devices os)) |
255 | (file-systems (operating-system-file-systems os))) | |
256 | (filter (lambda (md) | |
257 | (let ((user (mapped-device-user md file-systems))) | |
258 | (or (not user) | |
259 | (not (file-system-needed-for-boot? user))))) | |
260 | devices))) | |
de1c158f LC |
261 | |
262 | (define (operating-system-boot-mapped-devices os) | |
263 | "Return the subset of mapped devices that must be installed during boot, | |
264 | from the initrd." | |
9cb426b8 LC |
265 | (let ((devices (operating-system-mapped-devices os)) |
266 | (file-systems (operating-system-file-systems os))) | |
267 | (filter (lambda (md) | |
268 | (let ((user (mapped-device-user md file-systems))) | |
269 | (and user (file-system-needed-for-boot? user)))) | |
270 | devices))) | |
de1c158f | 271 | |
5dae0186 LC |
272 | (define (device-mapping-services os) |
273 | "Return the list of device-mapping services for OS as a monadic list." | |
274 | (sequence %store-monad | |
275 | (map (lambda (md) | |
722554a3 LC |
276 | (let* ((source (mapped-device-source md)) |
277 | (target (mapped-device-target md)) | |
278 | (type (mapped-device-type md)) | |
279 | (open (mapped-device-kind-open type)) | |
280 | (close (mapped-device-kind-close type))) | |
5dae0186 | 281 | (device-mapping-service target |
722554a3 LC |
282 | (open source target) |
283 | (close source target)))) | |
de1c158f | 284 | (operating-system-user-mapped-devices os)))) |
5dae0186 | 285 | |
2a13d05e LC |
286 | (define (swap-services os) |
287 | "Return the list of swap services for OS as a monadic list." | |
288 | (sequence %store-monad | |
289 | (map swap-service (operating-system-swap-devices os)))) | |
290 | ||
217a5b85 LC |
291 | (define (essential-services os) |
292 | "Return the list of essential services for OS. These are special services | |
293 | that implement part of what's declared in OS are responsible for low-level | |
294 | bookkeeping." | |
d6e2a622 LC |
295 | (define known-fs |
296 | (map file-system-mount-point (operating-system-file-systems os))) | |
297 | ||
5dae0186 LC |
298 | (mlet* %store-monad ((mappings (device-mapping-services os)) |
299 | (root-fs (root-file-system-service)) | |
023f391c | 300 | (other-fs (other-file-system-services os)) |
d6e2a622 | 301 | (unmount (user-unmount-service known-fs)) |
2a13d05e | 302 | (swaps (swap-services os)) |
023f391c LC |
303 | (procs (user-processes-service |
304 | (map (compose first service-provision) | |
305 | other-fs))) | |
306 | (host-name (host-name-service | |
307 | (operating-system-host-name os)))) | |
d6e2a622 | 308 | (return (cons* host-name procs root-fs unmount |
2a13d05e | 309 | (append other-fs mappings swaps))))) |
217a5b85 LC |
310 | |
311 | (define (operating-system-services os) | |
312 | "Return all the services of OS, including \"internal\" services that do not | |
313 | explicitly appear in OS." | |
314 | (mlet %store-monad | |
315 | ((user (sequence %store-monad (operating-system-user-services os))) | |
316 | (essential (essential-services os))) | |
317 | (return (append essential user)))) | |
318 | ||
40281c54 LC |
319 | \f |
320 | ;;; | |
321 | ;;; /etc. | |
322 | ;;; | |
323 | ||
f34c56be LC |
324 | (define %base-firmware |
325 | ;; Firmware usable by default. | |
326 | (list ath9k-htc-firmware)) | |
327 | ||
6f436c54 LC |
328 | (define %base-packages |
329 | ;; Default set of packages globally visible. It should include anything | |
330 | ;; required for basic administrator tasks. | |
55e70e65 | 331 | (cons* procps psmisc which less zile nano |
bdb36958 | 332 | (@ (gnu packages admin) dmd) guix |
55e70e65 | 333 | lsof ;for Guix's 'list-runtime-roots' |
a96a82d7 | 334 | pciutils usbutils |
be681773 LC |
335 | util-linux inetutils isc-dhcp |
336 | ||
337 | ;; wireless-tools is deprecated in favor of iw, but it's still what | |
338 | ;; many people are familiar with, so keep it around. | |
339 | iw wireless-tools | |
340 | ||
9b762b8d | 341 | net-tools ; XXX: remove when Inetutils suffices |
18316d86 | 342 | man-db |
03e9998f | 343 | |
a8a086e3 LC |
344 | ;; The 'sudo' command is already in %SETUID-PROGRAMS, but we also |
345 | ;; want the other commands and the man pages (notably because | |
346 | ;; auto-completion in Emacs shell relies on man pages.) | |
347 | sudo | |
348 | ||
03e9998f LC |
349 | ;; Get 'insmod' & co. from kmod, not module-init-tools, since udev |
350 | ;; already depends on it anyway. | |
8a7330fd | 351 | kmod eudev |
03e9998f | 352 | |
b63dbd44 | 353 | e2fsprogs kbd |
9b762b8d LC |
354 | |
355 | ;; The packages below are also in %FINAL-INPUTS, so take them from | |
356 | ;; there to avoid duplication. | |
357 | (map canonical-package | |
a68c6967 | 358 | (list guile-2.0 bash coreutils findutils grep sed |
4b164c45 | 359 | diffutils patch gawk tar gzip bzip2 xz lzip)))) |
6f436c54 | 360 | |
548d4c13 LC |
361 | (define %default-issue |
362 | ;; Default contents for /etc/issue. | |
363 | " | |
364 | This is the GNU system. Welcome.\n") | |
365 | ||
568841d4 LC |
366 | (define (local-host-aliases host-name) |
367 | "Return aliases for HOST-NAME, to be used in /etc/hosts." | |
368 | (string-append "127.0.0.1 localhost " host-name "\n" | |
369 | "::1 localhost " host-name "\n")) | |
370 | ||
c65e1834 LC |
371 | (define (default-/etc/hosts host-name) |
372 | "Return the default /etc/hosts file." | |
568841d4 | 373 | (text-file "hosts" (local-host-aliases host-name))) |
c65e1834 | 374 | |
033adfe7 | 375 | (define* (etc-directory #:key |
3141a8bd | 376 | (locale "C") (timezone "Europe/Paris") |
548d4c13 | 377 | (issue "Hello!\n") |
40281c54 | 378 | (skeletons '()) |
033adfe7 | 379 | (pam-services '()) |
b4140694 | 380 | (profile "/run/current-system/profile") |
c65e1834 | 381 | hosts-file |
69689380 | 382 | (sudoers "")) |
033adfe7 LC |
383 | "Return a derivation that builds the static part of the /etc directory." |
384 | (mlet* %store-monad | |
ab6a279a | 385 | ((pam.d (pam-services->directory pam-services)) |
69689380 | 386 | (sudoers (text-file "sudoers" sudoers)) |
033adfe7 | 387 | (login.defs (text-file "login.defs" "# Empty for now.\n")) |
9038298c LC |
388 | (shells (text-file "shells" ; used by xterm and others |
389 | "\ | |
390 | /bin/sh | |
b4140694 LC |
391 | /run/current-system/profile/bin/sh |
392 | /run/current-system/profile/bin/bash\n")) | |
548d4c13 | 393 | (issue (text-file "issue" issue)) |
033adfe7 | 394 | |
07b08343 LC |
395 | ;; For now, generate a basic config so that /etc/hosts is honored. |
396 | (nsswitch (text-file "nsswitch.conf" | |
397 | "hosts: files dns\n")) | |
398 | ||
4e2a21d3 SB |
399 | ;; Startup file for POSIX-compliant login shells, which set system-wide |
400 | ;; environment variables. | |
401 | (profile (text-file* "profile" "\ | |
402 | export LANG=\"" locale "\" | |
3141a8bd | 403 | export TZ=\"" timezone "\" |
7aec3683 | 404 | export TZDIR=\"" tzdata "/share/zoneinfo\" |
3141a8bd | 405 | |
d3bbe992 | 406 | # Tell 'modprobe' & co. where to look for modules. |
62f0a479 | 407 | export LINUX_MODULE_DIRECTORY=/run/booted-system/kernel/lib/modules |
d3bbe992 | 408 | |
585c6519 LC |
409 | export PATH=$HOME/.guix-profile/bin:/run/current-system/profile/bin |
410 | export PATH=/run/setuid-programs:/run/current-system/profile/sbin:$PATH | |
97ab2c0f | 411 | export MANPATH=$HOME/.guix-profile/share/man:/run/current-system/profile/share/man |
95f92d4e | 412 | export INFOPATH=$HOME/.guix-profile/share/info:/run/current-system/profile/share/info |
40281c54 LC |
413 | ")) |
414 | (skel (skeleton-directory skeletons))) | |
23f6056b LC |
415 | (file-union "etc" |
416 | `(("services" ,#~(string-append #$net-base "/etc/services")) | |
417 | ("protocols" ,#~(string-append #$net-base "/etc/protocols")) | |
418 | ("rpc" ,#~(string-append #$net-base "/etc/rpc")) | |
419 | ("pam.d" ,#~#$pam.d) | |
420 | ("login.defs" ,#~#$login.defs) | |
421 | ("issue" ,#~#$issue) | |
07b08343 | 422 | ("nsswitch.conf" ,#~#$nsswitch) |
40281c54 | 423 | ("skel" ,#~#$skel) |
23f6056b | 424 | ("shells" ,#~#$shells) |
4e2a21d3 | 425 | ("profile" ,#~#$profile) |
c65e1834 | 426 | ("hosts" ,#~#$hosts-file) |
23f6056b LC |
427 | ("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/" |
428 | #$timezone)) | |
69689380 | 429 | ("sudoers" ,#~#$sudoers))))) |
033adfe7 | 430 | |
1aa0033b | 431 | (define (operating-system-profile os) |
29fce8b6 LC |
432 | "Return a derivation that builds the system profile of OS." |
433 | (profile-derivation (manifest (map package->manifest-entry | |
434 | (operating-system-packages os))))) | |
f6a9d048 | 435 | |
ab6a279a LC |
436 | (define %root-account |
437 | ;; Default root account. | |
438 | (user-account | |
439 | (name "root") | |
440 | (password "") | |
441 | (uid 0) (group "root") | |
442 | (comment "System administrator") | |
443 | (home-directory "/root"))) | |
444 | ||
0b6f49ef LC |
445 | (define (operating-system-accounts os) |
446 | "Return the user accounts for OS, including an obligatory 'root' account." | |
ab6a279a LC |
447 | (define users |
448 | ;; Make sure there's a root account. | |
449 | (if (find (lambda (user) | |
450 | (and=> (user-account-uid user) zero?)) | |
451 | (operating-system-users os)) | |
452 | (operating-system-users os) | |
453 | (cons %root-account (operating-system-users os)))) | |
454 | ||
217a5b85 | 455 | (mlet %store-monad ((services (operating-system-services os))) |
ab6a279a LC |
456 | (return (append users |
457 | (append-map service-user-accounts services))))) | |
0b6f49ef LC |
458 | |
459 | (define (operating-system-etc-directory os) | |
460 | "Return that static part of the /etc directory of OS." | |
033adfe7 | 461 | (mlet* %store-monad |
217a5b85 | 462 | ((services (operating-system-services os)) |
033adfe7 LC |
463 | (pam-services -> |
464 | ;; Services known to PAM. | |
465 | (delete-duplicates | |
09e028f4 LC |
466 | (append (operating-system-pam-services os) |
467 | (append-map service-pam-services services)))) | |
40281c54 | 468 | (profile-drv (operating-system-profile os)) |
c65e1834 LC |
469 | (skeletons (operating-system-skeletons os)) |
470 | (/etc/hosts (or (operating-system-hosts-file os) | |
471 | (default-/etc/hosts (operating-system-host-name os))))) | |
62f0a479 | 472 | (etc-directory #:pam-services pam-services |
40281c54 | 473 | #:skeletons skeletons |
548d4c13 | 474 | #:issue (operating-system-issue os) |
0b6f49ef LC |
475 | #:locale (operating-system-locale os) |
476 | #:timezone (operating-system-timezone os) | |
c65e1834 | 477 | #:hosts-file /etc/hosts |
69689380 | 478 | #:sudoers (operating-system-sudoers os) |
0b6f49ef | 479 | #:profile profile-drv))) |
033adfe7 | 480 | |
09e028f4 LC |
481 | (define %setuid-programs |
482 | ;; Default set of setuid-root programs. | |
483 | (let ((shadow (@ (gnu packages admin) shadow))) | |
484 | (list #~(string-append #$shadow "/bin/passwd") | |
485 | #~(string-append #$shadow "/bin/su") | |
69689380 | 486 | #~(string-append #$inetutils "/bin/ping") |
8a07c289 LC |
487 | #~(string-append #$sudo "/bin/sudo") |
488 | #~(string-append #$fuse "/bin/fusermount")))) | |
69689380 LC |
489 | |
490 | (define %sudoers-specification | |
491 | ;; Default /etc/sudoers contents: 'root' and all members of the 'wheel' | |
492 | ;; group can do anything. See | |
493 | ;; <http://www.sudo.ws/sudo/man/1.8.10/sudoers.man.html>. | |
494 | ;; TODO: Add a declarative API. | |
495 | "root ALL=(ALL) ALL | |
496 | %wheel ALL=(ALL) ALL\n") | |
09e028f4 | 497 | |
ab6a279a LC |
498 | (define (user-group->gexp group) |
499 | "Turn GROUP, a <user-group> object, into a list-valued gexp suitable for | |
500 | 'active-groups'." | |
501 | #~(list #$(user-group-name group) | |
502 | #$(user-group-password group) | |
c8fa3426 LC |
503 | #$(user-group-id group) |
504 | #$(user-group-system? group))) | |
ab6a279a LC |
505 | |
506 | (define (user-account->gexp account) | |
507 | "Turn ACCOUNT, a <user-account> object, into a list-valued gexp suitable for | |
508 | 'activate-users'." | |
509 | #~`(#$(user-account-name account) | |
510 | #$(user-account-uid account) | |
511 | #$(user-account-group account) | |
512 | #$(user-account-supplementary-groups account) | |
513 | #$(user-account-comment account) | |
514 | #$(user-account-home-directory account) | |
515 | ,#$(user-account-shell account) ; this one is a gexp | |
459dd9ea LC |
516 | #$(user-account-password account) |
517 | #$(user-account-system? account))) | |
ab6a279a | 518 | |
d460204f LC |
519 | (define (modprobe-wrapper) |
520 | "Return a wrapper for the 'modprobe' command that knows where modules live. | |
521 | ||
522 | This wrapper is typically invoked by the Linux kernel ('call_modprobe', in | |
523 | kernel/kmod.c), a situation where the 'LINUX_MODULE_DIRECTORY' environment | |
524 | variable is not set---hence the need for this wrapper." | |
525 | (let ((modprobe "/run/current-system/profile/bin/modprobe")) | |
526 | (gexp->script "modprobe" | |
527 | #~(begin | |
528 | (setenv "LINUX_MODULE_DIRECTORY" | |
529 | "/run/booted-system/kernel/lib/modules") | |
530 | (apply execl #$modprobe | |
531 | (cons #$modprobe (cdr (command-line)))))))) | |
532 | ||
484a2b3a LC |
533 | (define (operating-system-activation-script os) |
534 | "Return the activation script for OS---i.e., the code that \"activates\" the | |
535 | stateful part of OS, including user accounts and groups, special directories, | |
536 | etc." | |
09e028f4 | 537 | (define %modules |
548f7a8f | 538 | '((gnu build activation) |
8a9e21d1 | 539 | (gnu build linux-boot) |
0e704a2d | 540 | (gnu build linux-modules) |
e2f4b305 | 541 | (gnu build file-systems) |
0e704a2d LC |
542 | (guix build utils) |
543 | (guix elf))) | |
09e028f4 | 544 | |
55ccc388 LC |
545 | (define (service-activations services) |
546 | ;; Return the activation scripts for SERVICES. | |
547 | (let ((gexps (filter-map service-activate services))) | |
548 | (sequence %store-monad (map (cut gexp->file "activate-service.scm" <>) | |
549 | gexps)))) | |
550 | ||
ab6a279a | 551 | (mlet* %store-monad ((services (operating-system-services os)) |
55ccc388 | 552 | (actions (service-activations services)) |
ab6a279a LC |
553 | (etc (operating-system-etc-directory os)) |
554 | (modules (imported-modules %modules)) | |
555 | (compiled (compiled-modules %modules)) | |
d460204f | 556 | (modprobe (modprobe-wrapper)) |
f34c56be LC |
557 | (firmware (directory-union |
558 | "firmware" (operating-system-firmware os))) | |
ab6a279a | 559 | (accounts (operating-system-accounts os))) |
09e028f4 LC |
560 | (define setuid-progs |
561 | (operating-system-setuid-programs os)) | |
562 | ||
ab6a279a LC |
563 | (define user-specs |
564 | (map user-account->gexp accounts)) | |
565 | ||
566 | (define groups | |
567 | (append (operating-system-groups os) | |
568 | (append-map service-user-groups services))) | |
569 | ||
570 | (define group-specs | |
571 | (map user-group->gexp groups)) | |
572 | ||
4654439b | 573 | (gexp->file "activate" |
4dfe6c58 LC |
574 | #~(begin |
575 | (eval-when (expand load eval) | |
576 | ;; Make sure 'use-modules' below succeeds. | |
577 | (set! %load-path (cons #$modules %load-path)) | |
578 | (set! %load-compiled-path | |
579 | (cons #$compiled %load-compiled-path))) | |
580 | ||
548f7a8f | 581 | (use-modules (gnu build activation)) |
4dfe6c58 | 582 | |
ee248b6a LC |
583 | ;; Make sure /bin/sh is valid and current. |
584 | (activate-/bin/sh | |
585 | (string-append #$(canonical-package bash) | |
586 | "/bin/sh")) | |
587 | ||
4dfe6c58 LC |
588 | ;; Populate /etc. |
589 | (activate-etc #$etc) | |
590 | ||
ab6a279a LC |
591 | ;; Add users and user groups. |
592 | (setenv "PATH" | |
593 | (string-append #$(@ (gnu packages admin) shadow) | |
594 | "/sbin")) | |
595 | (activate-users+groups (list #$@user-specs) | |
596 | (list #$@group-specs)) | |
597 | ||
09e028f4 LC |
598 | ;; Activate setuid programs. |
599 | (activate-setuid-programs (list #$@setuid-progs)) | |
600 | ||
d460204f LC |
601 | ;; Tell the kernel to use our 'modprobe' command. |
602 | (activate-modprobe #$modprobe) | |
603 | ||
f34c56be LC |
604 | ;; Tell the kernel where firmware is. |
605 | (activate-firmware | |
606 | (string-append #$firmware "/lib/firmware")) | |
607 | ||
55ccc388 LC |
608 | ;; Run the services' activation snippets. |
609 | ;; TODO: Use 'load-compiled'. | |
610 | (for-each primitive-load '#$actions) | |
611 | ||
b4140694 | 612 | ;; Set up /run/current-system. |
484a2b3a LC |
613 | (activate-current-system))))) |
614 | ||
615 | (define (operating-system-boot-script os) | |
616 | "Return the boot script for OS---i.e., the code started by the initrd once | |
617 | we're running in the final root." | |
618 | (mlet* %store-monad ((services (operating-system-services os)) | |
619 | (activate (operating-system-activation-script os)) | |
620 | (dmd-conf (dmd-configuration-file services))) | |
621 | (gexp->file "boot" | |
622 | #~(begin | |
623 | ;; Activate the system. | |
624 | ;; TODO: Use 'load-compiled'. | |
625 | (primitive-load #$activate) | |
626 | ||
627 | ;; Keep track of the booted system. | |
628 | (false-if-exception (delete-file "/run/booted-system")) | |
629 | (symlink (readlink "/run/current-system") | |
630 | "/run/booted-system") | |
b4140694 | 631 | |
26a728eb LC |
632 | ;; Close any remaining open file descriptors to be on the |
633 | ;; safe side. This must be the very last thing we do, | |
634 | ;; because Guile has internal FDs such as 'sleep_pipe' | |
635 | ;; that need to be alive. | |
636 | (let loop ((fd 3)) | |
637 | (when (< fd 1024) | |
638 | (false-if-exception (close-fdes fd)) | |
639 | (loop (+ 1 fd)))) | |
640 | ||
4dfe6c58 LC |
641 | ;; Start dmd. |
642 | (execl (string-append #$dmd "/bin/dmd") | |
643 | "dmd" "--config" #$dmd-conf))))) | |
2106d3fc | 644 | |
83bcd0b8 LC |
645 | (define (operating-system-root-file-system os) |
646 | "Return the root file system of OS." | |
647 | (find (match-lambda | |
d4c87617 | 648 | (($ <file-system> _ _ "/") #t) |
83bcd0b8 LC |
649 | (_ #f)) |
650 | (operating-system-file-systems os))) | |
651 | ||
b4140694 LC |
652 | (define (operating-system-initrd-file os) |
653 | "Return a gexp denoting the initrd file of OS." | |
83bcd0b8 | 654 | (define boot-file-systems |
4d6b879c | 655 | (filter file-system-needed-for-boot? |
83bcd0b8 LC |
656 | (operating-system-file-systems os))) |
657 | ||
de1c158f LC |
658 | (define mapped-devices |
659 | (operating-system-boot-mapped-devices os)) | |
660 | ||
661 | (define make-initrd | |
662 | (operating-system-initrd os)) | |
663 | ||
664 | (mlet %store-monad ((initrd (make-initrd boot-file-systems | |
665 | #:mapped-devices mapped-devices))) | |
b4140694 LC |
666 | (return #~(string-append #$initrd "/initrd")))) |
667 | ||
598e19dc LC |
668 | (define (operating-system-locale-directory os) |
669 | "Return the directory containing the locales compiled for the definitions | |
670 | listed in OS. The C library expects to find it under | |
671 | /run/current-system/locale." | |
672 | ;; While we're at it, check whether the locale of OS is defined. | |
673 | (unless (member (operating-system-locale os) | |
674 | (map locale-definition-name | |
675 | (operating-system-locale-definitions os))) | |
676 | (raise (condition | |
677 | (&message (message "system locale lacks a definition"))))) | |
678 | ||
679 | (locale-directory (operating-system-locale-definitions os))) | |
680 | ||
2d23e6f0 LC |
681 | (define (kernel->grub-label kernel) |
682 | "Return a label for the GRUB menu entry that boots KERNEL." | |
42de9608 | 683 | (string-append "GNU with " |
2d23e6f0 LC |
684 | (string-titlecase (package-name kernel)) " " |
685 | (package-version kernel) | |
42de9608 | 686 | " (alpha)")) |
2d23e6f0 | 687 | |
fe6e3fe2 LC |
688 | (define* (operating-system-grub.cfg os #:optional (old-entries '())) |
689 | "Return the GRUB configuration file for OS. Use OLD-ENTRIES to populate the | |
690 | \"old entries\" menu." | |
0b6f49ef | 691 | (mlet* %store-monad |
b4140694 | 692 | ((system (operating-system-derivation os)) |
83bcd0b8 | 693 | (root-fs -> (operating-system-root-file-system os)) |
b4140694 | 694 | (kernel -> (operating-system-kernel os)) |
033adfe7 | 695 | (entries -> (list (menu-entry |
2d23e6f0 | 696 | (label (kernel->grub-label kernel)) |
033adfe7 | 697 | (linux kernel) |
f6a7b21d | 698 | (linux-arguments |
83bcd0b8 LC |
699 | (list (string-append "--root=" |
700 | (file-system-device root-fs)) | |
b4140694 LC |
701 | #~(string-append "--system=" #$system) |
702 | #~(string-append "--load=" #$system | |
703 | "/boot"))) | |
704 | (initrd #~(string-append #$system "/initrd")))))) | |
fe6e3fe2 LC |
705 | (grub-configuration-file (operating-system-bootloader os) entries |
706 | #:old-entries old-entries))) | |
b4140694 | 707 | |
64e40dbb LC |
708 | (define (operating-system-parameters-file os) |
709 | "Return a file that describes the boot parameters of OS. The primary use of | |
710 | this file is the reconstruction of GRUB menu entries for old configurations." | |
711 | (mlet %store-monad ((initrd (operating-system-initrd-file os)) | |
712 | (root -> (operating-system-root-file-system os)) | |
713 | (label -> (kernel->grub-label | |
714 | (operating-system-kernel os)))) | |
715 | (gexp->file "parameters" | |
716 | #~(boot-parameters (version 0) | |
717 | (label #$label) | |
718 | (root-device #$(file-system-device root)) | |
719 | (kernel #$(operating-system-kernel os)) | |
720 | (initrd #$initrd))))) | |
721 | ||
b4140694 LC |
722 | (define (operating-system-derivation os) |
723 | "Return a derivation that builds OS." | |
724 | (mlet* %store-monad | |
725 | ((profile (operating-system-profile os)) | |
726 | (etc (operating-system-etc-directory os)) | |
727 | (boot (operating-system-boot-script os)) | |
728 | (kernel -> (operating-system-kernel os)) | |
64e40dbb | 729 | (initrd (operating-system-initrd-file os)) |
598e19dc | 730 | (locale (operating-system-locale-directory os)) |
64e40dbb | 731 | (params (operating-system-parameters-file os))) |
23f6056b | 732 | (file-union "system" |
f6a7b21d | 733 | `(("boot" ,#~#$boot) |
23f6056b | 734 | ("kernel" ,#~#$kernel) |
64e40dbb | 735 | ("parameters" ,#~#$params) |
b4140694 | 736 | ("initrd" ,initrd) |
23f6056b | 737 | ("profile" ,#~#$profile) |
598e19dc | 738 | ("locale" ,#~#$locale) ;used by libc |
23f6056b | 739 | ("etc" ,#~#$etc))))) |
033adfe7 LC |
740 | |
741 | ;;; system.scm ends here |