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033adfe7 | 1 | ;;; GNU Guix --- Functional package management for GNU |
6ce206cb | 2 | ;;; Copyright © 2013, 2014 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) | |
033adfe7 LC |
26 | #:use-module (gnu packages base) |
27 | #:use-module (gnu packages bash) | |
89a0d00a | 28 | #:use-module (gnu packages which) |
9de46ffb | 29 | #:use-module (gnu packages admin) |
8a07c289 | 30 | #:use-module (gnu packages linux) |
033adfe7 | 31 | #:use-module (gnu packages package-management) |
6f436c54 LC |
32 | #:use-module (gnu packages which) |
33 | #:use-module (gnu packages less) | |
34 | #:use-module (gnu packages zile) | |
55e70e65 LC |
35 | #:use-module (gnu packages nano) |
36 | #:use-module (gnu packages lsof) | |
db4fdc04 LC |
37 | #:use-module (gnu services) |
38 | #:use-module (gnu services dmd) | |
39 | #:use-module (gnu services base) | |
033adfe7 LC |
40 | #:use-module (gnu system grub) |
41 | #:use-module (gnu system shadow) | |
42 | #:use-module (gnu system linux) | |
735c6dd7 | 43 | #:use-module (gnu system linux-initrd) |
c5df1839 | 44 | #:use-module (gnu system file-systems) |
033adfe7 LC |
45 | #:use-module (ice-9 match) |
46 | #:use-module (srfi srfi-1) | |
47 | #:use-module (srfi srfi-26) | |
48 | #:export (operating-system | |
49 | operating-system? | |
d5b429ab LC |
50 | |
51 | operating-system-bootloader | |
033adfe7 | 52 | operating-system-services |
217a5b85 | 53 | operating-system-user-services |
033adfe7 | 54 | operating-system-packages |
fd3bfc44 LC |
55 | operating-system-host-name |
56 | operating-system-kernel | |
57 | operating-system-initrd | |
58 | operating-system-users | |
59 | operating-system-groups | |
548d4c13 | 60 | operating-system-issue |
fd3bfc44 LC |
61 | operating-system-packages |
62 | operating-system-timezone | |
63 | operating-system-locale | |
83bcd0b8 | 64 | operating-system-file-systems |
b25937e3 | 65 | operating-system-activation-script |
033adfe7 | 66 | |
1aa0033b | 67 | operating-system-derivation |
83bcd0b8 | 68 | operating-system-profile |
6f436c54 LC |
69 | operating-system-grub.cfg |
70 | ||
71 | %base-packages)) | |
033adfe7 LC |
72 | |
73 | ;;; Commentary: | |
74 | ;;; | |
75 | ;;; This module supports whole-system configuration. | |
76 | ;;; | |
77 | ;;; Code: | |
78 | ||
79 | ;; System-wide configuration. | |
80 | ;; TODO: Add per-field docstrings/stexi. | |
81 | (define-record-type* <operating-system> operating-system | |
82 | make-operating-system | |
83 | operating-system? | |
84 | (kernel operating-system-kernel ; package | |
85 | (default linux-libre)) | |
d5b429ab LC |
86 | (bootloader operating-system-bootloader) ; <grub-configuration> |
87 | ||
83bcd0b8 | 88 | (initrd operating-system-initrd ; (list fs) -> M derivation |
060238ae | 89 | (default base-initrd)) |
033adfe7 LC |
90 | |
91 | (host-name operating-system-host-name) ; string | |
92 | ||
8a6d2731 | 93 | (file-systems operating-system-file-systems) ; list of fs |
033adfe7 LC |
94 | |
95 | (users operating-system-users ; list of user accounts | |
96 | (default '())) | |
97 | (groups operating-system-groups ; list of user groups | |
773e956d | 98 | (default %base-groups)) |
033adfe7 | 99 | |
40281c54 LC |
100 | (skeletons operating-system-skeletons ; list of name/monadic value |
101 | (default (default-skeletons))) | |
548d4c13 LC |
102 | (issue operating-system-issue ; string |
103 | (default %default-issue)) | |
40281c54 | 104 | |
033adfe7 | 105 | (packages operating-system-packages ; list of (PACKAGE OUTPUT...) |
6f436c54 | 106 | (default %base-packages)) ; or just PACKAGE |
033adfe7 LC |
107 | |
108 | (timezone operating-system-timezone) ; string | |
8a6d2731 LC |
109 | (locale operating-system-locale ; string |
110 | (default "en_US.UTF-8")) | |
033adfe7 | 111 | |
217a5b85 | 112 | (services operating-system-user-services ; list of monadic services |
09e028f4 LC |
113 | (default %base-services)) |
114 | ||
115 | (pam-services operating-system-pam-services ; list of PAM services | |
116 | (default (base-pam-services))) | |
117 | (setuid-programs operating-system-setuid-programs | |
69689380 | 118 | (default %setuid-programs)) ; list of string-valued gexps |
033adfe7 | 119 | |
69689380 LC |
120 | (sudoers operating-system-sudoers ; /etc/sudoers contents |
121 | (default %sudoers-specification))) | |
033adfe7 | 122 | |
2717a89a | 123 | \f |
033adfe7 LC |
124 | ;;; |
125 | ;;; Derivation. | |
126 | ;;; | |
127 | ||
128 | (define* (union inputs | |
f111b327 | 129 | #:key (guile (%guile-for-build)) |
033adfe7 LC |
130 | (name "union")) |
131 | "Return a derivation that builds the union of INPUTS. INPUTS is a list of | |
132 | input tuples." | |
133 | (define builder | |
8c35bfb6 LC |
134 | #~(begin |
135 | (use-modules (guix build union)) | |
136 | ||
137 | (define inputs '#$inputs) | |
138 | ||
139 | (setvbuf (current-output-port) _IOLBF) | |
140 | (setvbuf (current-error-port) _IOLBF) | |
141 | ||
142 | (format #t "building union `~a' with ~a packages...~%" | |
143 | #$output (length inputs)) | |
144 | (union-build #$output inputs))) | |
145 | ||
146 | (gexp->derivation name builder | |
8c35bfb6 LC |
147 | #:modules '((guix build union)) |
148 | #:guile-for-build guile | |
149 | #:local-build? #t)) | |
033adfe7 | 150 | |
23f6056b | 151 | (define* (file-union name files) |
033adfe7 LC |
152 | "Return a derivation that builds a directory containing all of FILES. Each |
153 | item in FILES must be a list where the first element is the file name to use | |
23f6056b LC |
154 | in the new directory, and the second element is a gexp denoting the target |
155 | file." | |
156 | (define builder | |
157 | #~(begin | |
158 | (mkdir #$output) | |
159 | (chdir #$output) | |
160 | #$@(map (match-lambda | |
161 | ((target source) | |
162 | #~(symlink #$source #$target))) | |
163 | files))) | |
033adfe7 | 164 | |
23f6056b | 165 | (gexp->derivation name builder)) |
033adfe7 | 166 | |
40281c54 LC |
167 | \f |
168 | ;;; | |
169 | ;;; Services. | |
170 | ;;; | |
171 | ||
023f391c LC |
172 | (define (other-file-system-services os) |
173 | "Return file system services for the file systems of OS that are not marked | |
174 | as 'needed-for-boot'." | |
175 | (define file-systems | |
176 | (remove (lambda (fs) | |
177 | (or (file-system-needed-for-boot? fs) | |
178 | (string=? "/" (file-system-mount-point fs)))) | |
179 | (operating-system-file-systems os))) | |
180 | ||
181 | (sequence %store-monad | |
182 | (map (match-lambda | |
d4c87617 | 183 | (($ <file-system> device title target type flags opts |
4e469051 | 184 | #f check? create?) |
023f391c | 185 | (file-system-service device target type |
d4c87617 | 186 | #:title title |
023f391c | 187 | #:check? check? |
4e469051 | 188 | #:create-mount-point? create? |
2c071ce9 LC |
189 | #:options opts |
190 | #:flags flags))) | |
023f391c LC |
191 | file-systems))) |
192 | ||
217a5b85 LC |
193 | (define (essential-services os) |
194 | "Return the list of essential services for OS. These are special services | |
195 | that implement part of what's declared in OS are responsible for low-level | |
196 | bookkeeping." | |
023f391c LC |
197 | (mlet* %store-monad ((root-fs (root-file-system-service)) |
198 | (other-fs (other-file-system-services os)) | |
199 | (procs (user-processes-service | |
200 | (map (compose first service-provision) | |
201 | other-fs))) | |
202 | (host-name (host-name-service | |
203 | (operating-system-host-name os)))) | |
204 | (return (cons* host-name procs root-fs other-fs)))) | |
217a5b85 LC |
205 | |
206 | (define (operating-system-services os) | |
207 | "Return all the services of OS, including \"internal\" services that do not | |
208 | explicitly appear in OS." | |
209 | (mlet %store-monad | |
210 | ((user (sequence %store-monad (operating-system-user-services os))) | |
211 | (essential (essential-services os))) | |
212 | (return (append essential user)))) | |
213 | ||
40281c54 LC |
214 | \f |
215 | ;;; | |
216 | ;;; /etc. | |
217 | ;;; | |
218 | ||
6f436c54 LC |
219 | (define %base-packages |
220 | ;; Default set of packages globally visible. It should include anything | |
221 | ;; required for basic administrator tasks. | |
55e70e65 | 222 | (cons* procps psmisc which less zile nano |
9b762b8d | 223 | guile-final (@ (gnu packages admin) dmd) guix |
55e70e65 | 224 | lsof ;for Guix's 'list-runtime-roots' |
9b762b8d LC |
225 | util-linux inetutils isc-dhcp |
226 | net-tools ; XXX: remove when Inetutils suffices | |
03e9998f LC |
227 | |
228 | ;; Get 'insmod' & co. from kmod, not module-init-tools, since udev | |
229 | ;; already depends on it anyway. | |
230 | kmod udev | |
231 | ||
b63dbd44 | 232 | e2fsprogs kbd |
9b762b8d LC |
233 | |
234 | ;; The packages below are also in %FINAL-INPUTS, so take them from | |
235 | ;; there to avoid duplication. | |
236 | (map canonical-package | |
237 | (list bash coreutils findutils grep sed)))) | |
6f436c54 | 238 | |
548d4c13 LC |
239 | (define %default-issue |
240 | ;; Default contents for /etc/issue. | |
241 | " | |
242 | This is the GNU system. Welcome.\n") | |
243 | ||
033adfe7 | 244 | (define* (etc-directory #:key |
3141a8bd | 245 | (locale "C") (timezone "Europe/Paris") |
548d4c13 | 246 | (issue "Hello!\n") |
40281c54 | 247 | (skeletons '()) |
033adfe7 | 248 | (pam-services '()) |
b4140694 | 249 | (profile "/run/current-system/profile") |
69689380 | 250 | (sudoers "")) |
033adfe7 LC |
251 | "Return a derivation that builds the static part of the /etc directory." |
252 | (mlet* %store-monad | |
ab6a279a | 253 | ((pam.d (pam-services->directory pam-services)) |
69689380 | 254 | (sudoers (text-file "sudoers" sudoers)) |
033adfe7 | 255 | (login.defs (text-file "login.defs" "# Empty for now.\n")) |
9038298c LC |
256 | (shells (text-file "shells" ; used by xterm and others |
257 | "\ | |
258 | /bin/sh | |
b4140694 LC |
259 | /run/current-system/profile/bin/sh |
260 | /run/current-system/profile/bin/bash\n")) | |
548d4c13 | 261 | (issue (text-file "issue" issue)) |
033adfe7 LC |
262 | |
263 | ;; TODO: Generate bashrc from packages' search-paths. | |
7aec3683 | 264 | (bashrc (text-file* "bashrc" " |
033adfe7 | 265 | export PS1='\\u@\\h\\$ ' |
3141a8bd LC |
266 | |
267 | export LC_ALL=\"" locale "\" | |
268 | export TZ=\"" timezone "\" | |
7aec3683 | 269 | export TZDIR=\"" tzdata "/share/zoneinfo\" |
3141a8bd | 270 | |
d3bbe992 | 271 | # Tell 'modprobe' & co. where to look for modules. |
62f0a479 | 272 | export LINUX_MODULE_DIRECTORY=/run/booted-system/kernel/lib/modules |
d3bbe992 | 273 | |
585c6519 LC |
274 | export PATH=$HOME/.guix-profile/bin:/run/current-system/profile/bin |
275 | export PATH=/run/setuid-programs:/run/current-system/profile/sbin:$PATH | |
033adfe7 LC |
276 | export CPATH=$HOME/.guix-profile/include:" profile "/include |
277 | export LIBRARY_PATH=$HOME/.guix-profile/lib:" profile "/lib | |
278 | alias ls='ls -p --color' | |
279 | alias ll='ls -l' | |
40281c54 LC |
280 | ")) |
281 | (skel (skeleton-directory skeletons))) | |
23f6056b LC |
282 | (file-union "etc" |
283 | `(("services" ,#~(string-append #$net-base "/etc/services")) | |
284 | ("protocols" ,#~(string-append #$net-base "/etc/protocols")) | |
285 | ("rpc" ,#~(string-append #$net-base "/etc/rpc")) | |
286 | ("pam.d" ,#~#$pam.d) | |
287 | ("login.defs" ,#~#$login.defs) | |
288 | ("issue" ,#~#$issue) | |
40281c54 | 289 | ("skel" ,#~#$skel) |
23f6056b LC |
290 | ("shells" ,#~#$shells) |
291 | ("profile" ,#~#$bashrc) | |
292 | ("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/" | |
293 | #$timezone)) | |
69689380 | 294 | ("sudoers" ,#~#$sudoers))))) |
033adfe7 | 295 | |
1aa0033b | 296 | (define (operating-system-profile os) |
f6a9d048 LC |
297 | "Return a derivation that builds the default profile of OS." |
298 | ;; TODO: Replace with a real profile with a manifest. | |
299 | (union (operating-system-packages os) | |
300 | #:name "default-profile")) | |
301 | ||
ab6a279a LC |
302 | (define %root-account |
303 | ;; Default root account. | |
304 | (user-account | |
305 | (name "root") | |
306 | (password "") | |
307 | (uid 0) (group "root") | |
308 | (comment "System administrator") | |
309 | (home-directory "/root"))) | |
310 | ||
0b6f49ef LC |
311 | (define (operating-system-accounts os) |
312 | "Return the user accounts for OS, including an obligatory 'root' account." | |
ab6a279a LC |
313 | (define users |
314 | ;; Make sure there's a root account. | |
315 | (if (find (lambda (user) | |
316 | (and=> (user-account-uid user) zero?)) | |
317 | (operating-system-users os)) | |
318 | (operating-system-users os) | |
319 | (cons %root-account (operating-system-users os)))) | |
320 | ||
217a5b85 | 321 | (mlet %store-monad ((services (operating-system-services os))) |
ab6a279a LC |
322 | (return (append users |
323 | (append-map service-user-accounts services))))) | |
0b6f49ef LC |
324 | |
325 | (define (operating-system-etc-directory os) | |
326 | "Return that static part of the /etc directory of OS." | |
033adfe7 | 327 | (mlet* %store-monad |
217a5b85 | 328 | ((services (operating-system-services os)) |
033adfe7 LC |
329 | (pam-services -> |
330 | ;; Services known to PAM. | |
331 | (delete-duplicates | |
09e028f4 LC |
332 | (append (operating-system-pam-services os) |
333 | (append-map service-pam-services services)))) | |
40281c54 LC |
334 | (profile-drv (operating-system-profile os)) |
335 | (skeletons (operating-system-skeletons os))) | |
62f0a479 | 336 | (etc-directory #:pam-services pam-services |
40281c54 | 337 | #:skeletons skeletons |
548d4c13 | 338 | #:issue (operating-system-issue os) |
0b6f49ef LC |
339 | #:locale (operating-system-locale os) |
340 | #:timezone (operating-system-timezone os) | |
69689380 | 341 | #:sudoers (operating-system-sudoers os) |
0b6f49ef | 342 | #:profile profile-drv))) |
033adfe7 | 343 | |
09e028f4 LC |
344 | (define %setuid-programs |
345 | ;; Default set of setuid-root programs. | |
346 | (let ((shadow (@ (gnu packages admin) shadow))) | |
347 | (list #~(string-append #$shadow "/bin/passwd") | |
348 | #~(string-append #$shadow "/bin/su") | |
69689380 | 349 | #~(string-append #$inetutils "/bin/ping") |
8a07c289 LC |
350 | #~(string-append #$sudo "/bin/sudo") |
351 | #~(string-append #$fuse "/bin/fusermount")))) | |
69689380 LC |
352 | |
353 | (define %sudoers-specification | |
354 | ;; Default /etc/sudoers contents: 'root' and all members of the 'wheel' | |
355 | ;; group can do anything. See | |
356 | ;; <http://www.sudo.ws/sudo/man/1.8.10/sudoers.man.html>. | |
357 | ;; TODO: Add a declarative API. | |
358 | "root ALL=(ALL) ALL | |
359 | %wheel ALL=(ALL) ALL\n") | |
09e028f4 | 360 | |
ab6a279a LC |
361 | (define (user-group->gexp group) |
362 | "Turn GROUP, a <user-group> object, into a list-valued gexp suitable for | |
363 | 'active-groups'." | |
364 | #~(list #$(user-group-name group) | |
365 | #$(user-group-password group) | |
366 | #$(user-group-id group))) | |
367 | ||
368 | (define (user-account->gexp account) | |
369 | "Turn ACCOUNT, a <user-account> object, into a list-valued gexp suitable for | |
370 | 'activate-users'." | |
371 | #~`(#$(user-account-name account) | |
372 | #$(user-account-uid account) | |
373 | #$(user-account-group account) | |
374 | #$(user-account-supplementary-groups account) | |
375 | #$(user-account-comment account) | |
376 | #$(user-account-home-directory account) | |
377 | ,#$(user-account-shell account) ; this one is a gexp | |
459dd9ea LC |
378 | #$(user-account-password account) |
379 | #$(user-account-system? account))) | |
ab6a279a | 380 | |
484a2b3a LC |
381 | (define (operating-system-activation-script os) |
382 | "Return the activation script for OS---i.e., the code that \"activates\" the | |
383 | stateful part of OS, including user accounts and groups, special directories, | |
384 | etc." | |
09e028f4 LC |
385 | (define %modules |
386 | '((guix build activation) | |
b4140694 LC |
387 | (guix build utils) |
388 | (guix build linux-initrd))) | |
09e028f4 | 389 | |
55ccc388 LC |
390 | (define (service-activations services) |
391 | ;; Return the activation scripts for SERVICES. | |
392 | (let ((gexps (filter-map service-activate services))) | |
393 | (sequence %store-monad (map (cut gexp->file "activate-service.scm" <>) | |
394 | gexps)))) | |
395 | ||
ab6a279a | 396 | (mlet* %store-monad ((services (operating-system-services os)) |
55ccc388 | 397 | (actions (service-activations services)) |
ab6a279a LC |
398 | (etc (operating-system-etc-directory os)) |
399 | (modules (imported-modules %modules)) | |
400 | (compiled (compiled-modules %modules)) | |
ab6a279a | 401 | (accounts (operating-system-accounts os))) |
09e028f4 LC |
402 | (define setuid-progs |
403 | (operating-system-setuid-programs os)) | |
404 | ||
ab6a279a LC |
405 | (define user-specs |
406 | (map user-account->gexp accounts)) | |
407 | ||
408 | (define groups | |
409 | (append (operating-system-groups os) | |
410 | (append-map service-user-groups services))) | |
411 | ||
412 | (define group-specs | |
413 | (map user-group->gexp groups)) | |
414 | ||
4654439b | 415 | (gexp->file "activate" |
4dfe6c58 LC |
416 | #~(begin |
417 | (eval-when (expand load eval) | |
418 | ;; Make sure 'use-modules' below succeeds. | |
419 | (set! %load-path (cons #$modules %load-path)) | |
420 | (set! %load-compiled-path | |
421 | (cons #$compiled %load-compiled-path))) | |
422 | ||
423 | (use-modules (guix build activation)) | |
424 | ||
425 | ;; Populate /etc. | |
426 | (activate-etc #$etc) | |
427 | ||
ab6a279a LC |
428 | ;; Add users and user groups. |
429 | (setenv "PATH" | |
430 | (string-append #$(@ (gnu packages admin) shadow) | |
431 | "/sbin")) | |
432 | (activate-users+groups (list #$@user-specs) | |
433 | (list #$@group-specs)) | |
434 | ||
09e028f4 LC |
435 | ;; Activate setuid programs. |
436 | (activate-setuid-programs (list #$@setuid-progs)) | |
437 | ||
55ccc388 LC |
438 | ;; Run the services' activation snippets. |
439 | ;; TODO: Use 'load-compiled'. | |
440 | (for-each primitive-load '#$actions) | |
441 | ||
b4140694 | 442 | ;; Set up /run/current-system. |
484a2b3a LC |
443 | (activate-current-system))))) |
444 | ||
445 | (define (operating-system-boot-script os) | |
446 | "Return the boot script for OS---i.e., the code started by the initrd once | |
447 | we're running in the final root." | |
448 | (mlet* %store-monad ((services (operating-system-services os)) | |
449 | (activate (operating-system-activation-script os)) | |
450 | (dmd-conf (dmd-configuration-file services))) | |
451 | (gexp->file "boot" | |
452 | #~(begin | |
453 | ;; Activate the system. | |
454 | ;; TODO: Use 'load-compiled'. | |
455 | (primitive-load #$activate) | |
456 | ||
457 | ;; Keep track of the booted system. | |
458 | (false-if-exception (delete-file "/run/booted-system")) | |
459 | (symlink (readlink "/run/current-system") | |
460 | "/run/booted-system") | |
b4140694 | 461 | |
26a728eb LC |
462 | ;; Close any remaining open file descriptors to be on the |
463 | ;; safe side. This must be the very last thing we do, | |
464 | ;; because Guile has internal FDs such as 'sleep_pipe' | |
465 | ;; that need to be alive. | |
466 | (let loop ((fd 3)) | |
467 | (when (< fd 1024) | |
468 | (false-if-exception (close-fdes fd)) | |
469 | (loop (+ 1 fd)))) | |
470 | ||
4dfe6c58 LC |
471 | ;; Start dmd. |
472 | (execl (string-append #$dmd "/bin/dmd") | |
473 | "dmd" "--config" #$dmd-conf))))) | |
2106d3fc | 474 | |
83bcd0b8 LC |
475 | (define (operating-system-root-file-system os) |
476 | "Return the root file system of OS." | |
477 | (find (match-lambda | |
d4c87617 | 478 | (($ <file-system> _ _ "/") #t) |
83bcd0b8 LC |
479 | (_ #f)) |
480 | (operating-system-file-systems os))) | |
481 | ||
b4140694 LC |
482 | (define (operating-system-initrd-file os) |
483 | "Return a gexp denoting the initrd file of OS." | |
83bcd0b8 LC |
484 | (define boot-file-systems |
485 | (filter (match-lambda | |
d4c87617 | 486 | (($ <file-system> device title "/") |
3c05b4bc | 487 | #t) |
d4c87617 LC |
488 | (($ <file-system> device title mount-point type flags |
489 | options boot?) | |
3c05b4bc | 490 | boot?)) |
83bcd0b8 LC |
491 | (operating-system-file-systems os))) |
492 | ||
b4140694 LC |
493 | (mlet %store-monad |
494 | ((initrd ((operating-system-initrd os) boot-file-systems))) | |
495 | (return #~(string-append #$initrd "/initrd")))) | |
496 | ||
2d23e6f0 LC |
497 | (define (kernel->grub-label kernel) |
498 | "Return a label for the GRUB menu entry that boots KERNEL." | |
499 | (string-append "GNU system with " | |
500 | (string-titlecase (package-name kernel)) " " | |
501 | (package-version kernel) | |
502 | " (technology preview)")) | |
503 | ||
fe6e3fe2 LC |
504 | (define* (operating-system-grub.cfg os #:optional (old-entries '())) |
505 | "Return the GRUB configuration file for OS. Use OLD-ENTRIES to populate the | |
506 | \"old entries\" menu." | |
0b6f49ef | 507 | (mlet* %store-monad |
b4140694 | 508 | ((system (operating-system-derivation os)) |
83bcd0b8 | 509 | (root-fs -> (operating-system-root-file-system os)) |
b4140694 | 510 | (kernel -> (operating-system-kernel os)) |
033adfe7 | 511 | (entries -> (list (menu-entry |
2d23e6f0 | 512 | (label (kernel->grub-label kernel)) |
033adfe7 | 513 | (linux kernel) |
f6a7b21d | 514 | (linux-arguments |
83bcd0b8 LC |
515 | (list (string-append "--root=" |
516 | (file-system-device root-fs)) | |
b4140694 LC |
517 | #~(string-append "--system=" #$system) |
518 | #~(string-append "--load=" #$system | |
519 | "/boot"))) | |
520 | (initrd #~(string-append #$system "/initrd")))))) | |
fe6e3fe2 LC |
521 | (grub-configuration-file (operating-system-bootloader os) entries |
522 | #:old-entries old-entries))) | |
b4140694 | 523 | |
64e40dbb LC |
524 | (define (operating-system-parameters-file os) |
525 | "Return a file that describes the boot parameters of OS. The primary use of | |
526 | this file is the reconstruction of GRUB menu entries for old configurations." | |
527 | (mlet %store-monad ((initrd (operating-system-initrd-file os)) | |
528 | (root -> (operating-system-root-file-system os)) | |
529 | (label -> (kernel->grub-label | |
530 | (operating-system-kernel os)))) | |
531 | (gexp->file "parameters" | |
532 | #~(boot-parameters (version 0) | |
533 | (label #$label) | |
534 | (root-device #$(file-system-device root)) | |
535 | (kernel #$(operating-system-kernel os)) | |
536 | (initrd #$initrd))))) | |
537 | ||
b4140694 LC |
538 | (define (operating-system-derivation os) |
539 | "Return a derivation that builds OS." | |
540 | (mlet* %store-monad | |
541 | ((profile (operating-system-profile os)) | |
542 | (etc (operating-system-etc-directory os)) | |
543 | (boot (operating-system-boot-script os)) | |
544 | (kernel -> (operating-system-kernel os)) | |
64e40dbb LC |
545 | (initrd (operating-system-initrd-file os)) |
546 | (params (operating-system-parameters-file os))) | |
23f6056b | 547 | (file-union "system" |
f6a7b21d | 548 | `(("boot" ,#~#$boot) |
23f6056b | 549 | ("kernel" ,#~#$kernel) |
64e40dbb | 550 | ("parameters" ,#~#$params) |
b4140694 | 551 | ("initrd" ,initrd) |
23f6056b | 552 | ("profile" ,#~#$profile) |
23f6056b | 553 | ("etc" ,#~#$etc))))) |
033adfe7 LC |
554 | |
555 | ;;; system.scm ends here |