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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) | |
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) |
033adfe7 | 33 | #:use-module (gnu packages package-management) |
6f436c54 LC |
34 | #:use-module (gnu packages which) |
35 | #:use-module (gnu packages less) | |
36 | #:use-module (gnu packages zile) | |
55e70e65 LC |
37 | #:use-module (gnu packages nano) |
38 | #:use-module (gnu packages lsof) | |
db4fdc04 LC |
39 | #:use-module (gnu services) |
40 | #:use-module (gnu services dmd) | |
41 | #:use-module (gnu services base) | |
033adfe7 LC |
42 | #:use-module (gnu system grub) |
43 | #:use-module (gnu system shadow) | |
44 | #:use-module (gnu system linux) | |
735c6dd7 | 45 | #:use-module (gnu system linux-initrd) |
c5df1839 | 46 | #:use-module (gnu system file-systems) |
5dae0186 | 47 | #:autoload (gnu packages cryptsetup) (cryptsetup) |
033adfe7 LC |
48 | #:use-module (ice-9 match) |
49 | #:use-module (srfi srfi-1) | |
50 | #:use-module (srfi srfi-26) | |
51 | #:export (operating-system | |
52 | operating-system? | |
d5b429ab LC |
53 | |
54 | operating-system-bootloader | |
033adfe7 | 55 | operating-system-services |
217a5b85 | 56 | operating-system-user-services |
033adfe7 | 57 | operating-system-packages |
fd3bfc44 | 58 | operating-system-host-name |
c65e1834 | 59 | operating-system-hosts-file |
fd3bfc44 LC |
60 | operating-system-kernel |
61 | operating-system-initrd | |
62 | operating-system-users | |
63 | operating-system-groups | |
548d4c13 | 64 | operating-system-issue |
fd3bfc44 LC |
65 | operating-system-packages |
66 | operating-system-timezone | |
67 | operating-system-locale | |
5dae0186 | 68 | operating-system-mapped-devices |
83bcd0b8 | 69 | operating-system-file-systems |
b25937e3 | 70 | operating-system-activation-script |
033adfe7 | 71 | |
1aa0033b | 72 | operating-system-derivation |
83bcd0b8 | 73 | operating-system-profile |
6f436c54 LC |
74 | operating-system-grub.cfg |
75 | ||
df5ce088 | 76 | %setuid-programs |
5dae0186 LC |
77 | %base-packages |
78 | ||
79 | luks-device-mapping)) | |
033adfe7 LC |
80 | |
81 | ;;; Commentary: | |
82 | ;;; | |
83 | ;;; This module supports whole-system configuration. | |
84 | ;;; | |
85 | ;;; Code: | |
86 | ||
87 | ;; System-wide configuration. | |
88 | ;; TODO: Add per-field docstrings/stexi. | |
89 | (define-record-type* <operating-system> operating-system | |
90 | make-operating-system | |
91 | operating-system? | |
92 | (kernel operating-system-kernel ; package | |
93 | (default linux-libre)) | |
d5b429ab LC |
94 | (bootloader operating-system-bootloader) ; <grub-configuration> |
95 | ||
83bcd0b8 | 96 | (initrd operating-system-initrd ; (list fs) -> M derivation |
060238ae | 97 | (default base-initrd)) |
033adfe7 LC |
98 | |
99 | (host-name operating-system-host-name) ; string | |
c65e1834 LC |
100 | (hosts-file operating-system-hosts-file ; M item | #f |
101 | (default #f)) | |
033adfe7 | 102 | |
5dae0186 LC |
103 | (mapped-devices operating-system-mapped-devices ; list of <mapped-device> |
104 | (default '())) | |
8a6d2731 | 105 | (file-systems operating-system-file-systems) ; list of fs |
033adfe7 LC |
106 | |
107 | (users operating-system-users ; list of user accounts | |
108 | (default '())) | |
109 | (groups operating-system-groups ; list of user groups | |
773e956d | 110 | (default %base-groups)) |
033adfe7 | 111 | |
40281c54 LC |
112 | (skeletons operating-system-skeletons ; list of name/monadic value |
113 | (default (default-skeletons))) | |
548d4c13 LC |
114 | (issue operating-system-issue ; string |
115 | (default %default-issue)) | |
40281c54 | 116 | |
033adfe7 | 117 | (packages operating-system-packages ; list of (PACKAGE OUTPUT...) |
6f436c54 | 118 | (default %base-packages)) ; or just PACKAGE |
033adfe7 LC |
119 | |
120 | (timezone operating-system-timezone) ; string | |
8a6d2731 LC |
121 | (locale operating-system-locale ; string |
122 | (default "en_US.UTF-8")) | |
033adfe7 | 123 | |
217a5b85 | 124 | (services operating-system-user-services ; list of monadic services |
09e028f4 LC |
125 | (default %base-services)) |
126 | ||
127 | (pam-services operating-system-pam-services ; list of PAM services | |
128 | (default (base-pam-services))) | |
129 | (setuid-programs operating-system-setuid-programs | |
69689380 | 130 | (default %setuid-programs)) ; list of string-valued gexps |
033adfe7 | 131 | |
69689380 LC |
132 | (sudoers operating-system-sudoers ; /etc/sudoers contents |
133 | (default %sudoers-specification))) | |
033adfe7 | 134 | |
2717a89a | 135 | \f |
033adfe7 LC |
136 | ;;; |
137 | ;;; Derivation. | |
138 | ;;; | |
139 | ||
23f6056b | 140 | (define* (file-union name files) |
033adfe7 LC |
141 | "Return a derivation that builds a directory containing all of FILES. Each |
142 | item in FILES must be a list where the first element is the file name to use | |
23f6056b LC |
143 | in the new directory, and the second element is a gexp denoting the target |
144 | file." | |
145 | (define builder | |
146 | #~(begin | |
147 | (mkdir #$output) | |
148 | (chdir #$output) | |
149 | #$@(map (match-lambda | |
150 | ((target source) | |
151 | #~(symlink #$source #$target))) | |
152 | files))) | |
033adfe7 | 153 | |
23f6056b | 154 | (gexp->derivation name builder)) |
033adfe7 | 155 | |
40281c54 LC |
156 | \f |
157 | ;;; | |
158 | ;;; Services. | |
159 | ;;; | |
160 | ||
5dae0186 LC |
161 | (define (luks-device-mapping source target) |
162 | "Return a gexp that maps SOURCE to TARGET as a LUKS device, using | |
163 | 'cryptsetup'." | |
164 | #~(zero? (system* (string-append #$cryptsetup "/sbin/cryptsetup") | |
165 | "open" "--type" "luks" | |
166 | #$source #$target))) | |
167 | ||
023f391c LC |
168 | (define (other-file-system-services os) |
169 | "Return file system services for the file systems of OS that are not marked | |
170 | as 'needed-for-boot'." | |
171 | (define file-systems | |
172 | (remove (lambda (fs) | |
173 | (or (file-system-needed-for-boot? fs) | |
174 | (string=? "/" (file-system-mount-point fs)))) | |
175 | (operating-system-file-systems os))) | |
176 | ||
5dae0186 LC |
177 | (define (device-mappings fs) |
178 | (filter (lambda (md) | |
179 | (string=? (string-append "/dev/mapper/" | |
180 | (mapped-device-target md)) | |
181 | (file-system-device fs))) | |
182 | (operating-system-mapped-devices os))) | |
183 | ||
184 | (define (requirements fs) | |
185 | (map (lambda (md) | |
186 | (symbol-append 'device-mapping- | |
187 | (string->symbol (mapped-device-target md)))) | |
188 | (device-mappings fs))) | |
189 | ||
023f391c | 190 | (sequence %store-monad |
5dae0186 LC |
191 | (map (lambda (fs) |
192 | (match fs | |
193 | (($ <file-system> device title target type flags opts | |
194 | #f check? create?) | |
195 | (file-system-service device target type | |
196 | #:title title | |
197 | #:requirements (requirements fs) | |
198 | #:check? check? | |
199 | #:create-mount-point? create? | |
200 | #:options opts | |
201 | #:flags flags)))) | |
023f391c LC |
202 | file-systems))) |
203 | ||
5dae0186 LC |
204 | (define (device-mapping-services os) |
205 | "Return the list of device-mapping services for OS as a monadic list." | |
206 | (sequence %store-monad | |
207 | (map (lambda (md) | |
208 | (let ((source (mapped-device-source md)) | |
209 | (target (mapped-device-target md)) | |
210 | (command (mapped-device-command md))) | |
211 | (device-mapping-service target | |
212 | (command source target)))) | |
213 | (operating-system-mapped-devices os)))) | |
214 | ||
217a5b85 LC |
215 | (define (essential-services os) |
216 | "Return the list of essential services for OS. These are special services | |
217 | that implement part of what's declared in OS are responsible for low-level | |
218 | bookkeeping." | |
5dae0186 LC |
219 | (mlet* %store-monad ((mappings (device-mapping-services os)) |
220 | (root-fs (root-file-system-service)) | |
023f391c LC |
221 | (other-fs (other-file-system-services os)) |
222 | (procs (user-processes-service | |
223 | (map (compose first service-provision) | |
224 | other-fs))) | |
225 | (host-name (host-name-service | |
226 | (operating-system-host-name os)))) | |
5dae0186 LC |
227 | (return (cons* host-name procs root-fs |
228 | (append other-fs mappings))))) | |
217a5b85 LC |
229 | |
230 | (define (operating-system-services os) | |
231 | "Return all the services of OS, including \"internal\" services that do not | |
232 | explicitly appear in OS." | |
233 | (mlet %store-monad | |
234 | ((user (sequence %store-monad (operating-system-user-services os))) | |
235 | (essential (essential-services os))) | |
236 | (return (append essential user)))) | |
237 | ||
40281c54 LC |
238 | \f |
239 | ;;; | |
240 | ;;; /etc. | |
241 | ;;; | |
242 | ||
6f436c54 LC |
243 | (define %base-packages |
244 | ;; Default set of packages globally visible. It should include anything | |
245 | ;; required for basic administrator tasks. | |
55e70e65 | 246 | (cons* procps psmisc which less zile nano |
bdb36958 | 247 | (@ (gnu packages admin) dmd) guix |
55e70e65 | 248 | lsof ;for Guix's 'list-runtime-roots' |
9b762b8d LC |
249 | util-linux inetutils isc-dhcp |
250 | net-tools ; XXX: remove when Inetutils suffices | |
03e9998f LC |
251 | |
252 | ;; Get 'insmod' & co. from kmod, not module-init-tools, since udev | |
253 | ;; already depends on it anyway. | |
254 | kmod udev | |
255 | ||
b63dbd44 | 256 | e2fsprogs kbd |
9b762b8d LC |
257 | |
258 | ;; The packages below are also in %FINAL-INPUTS, so take them from | |
259 | ;; there to avoid duplication. | |
260 | (map canonical-package | |
bdb36958 | 261 | (list guile-2.0 bash coreutils findutils grep sed)))) |
6f436c54 | 262 | |
548d4c13 LC |
263 | (define %default-issue |
264 | ;; Default contents for /etc/issue. | |
265 | " | |
266 | This is the GNU system. Welcome.\n") | |
267 | ||
c65e1834 LC |
268 | (define (default-/etc/hosts host-name) |
269 | "Return the default /etc/hosts file." | |
270 | (text-file "hosts" | |
7d6a52c0 LC |
271 | (string-append "127.0.0.1 localhost " host-name "\n" |
272 | "::1 localhost " host-name "\n"))) | |
c65e1834 | 273 | |
033adfe7 | 274 | (define* (etc-directory #:key |
3141a8bd | 275 | (locale "C") (timezone "Europe/Paris") |
548d4c13 | 276 | (issue "Hello!\n") |
40281c54 | 277 | (skeletons '()) |
033adfe7 | 278 | (pam-services '()) |
b4140694 | 279 | (profile "/run/current-system/profile") |
c65e1834 | 280 | hosts-file |
69689380 | 281 | (sudoers "")) |
033adfe7 LC |
282 | "Return a derivation that builds the static part of the /etc directory." |
283 | (mlet* %store-monad | |
ab6a279a | 284 | ((pam.d (pam-services->directory pam-services)) |
69689380 | 285 | (sudoers (text-file "sudoers" sudoers)) |
033adfe7 | 286 | (login.defs (text-file "login.defs" "# Empty for now.\n")) |
9038298c LC |
287 | (shells (text-file "shells" ; used by xterm and others |
288 | "\ | |
289 | /bin/sh | |
b4140694 LC |
290 | /run/current-system/profile/bin/sh |
291 | /run/current-system/profile/bin/bash\n")) | |
548d4c13 | 292 | (issue (text-file "issue" issue)) |
033adfe7 LC |
293 | |
294 | ;; TODO: Generate bashrc from packages' search-paths. | |
7aec3683 | 295 | (bashrc (text-file* "bashrc" " |
c851400b | 296 | export PS1='\\u@\\h \\w\\$ ' |
3141a8bd LC |
297 | |
298 | export LC_ALL=\"" locale "\" | |
299 | export TZ=\"" timezone "\" | |
7aec3683 | 300 | export TZDIR=\"" tzdata "/share/zoneinfo\" |
3141a8bd | 301 | |
d3bbe992 | 302 | # Tell 'modprobe' & co. where to look for modules. |
62f0a479 | 303 | export LINUX_MODULE_DIRECTORY=/run/booted-system/kernel/lib/modules |
d3bbe992 | 304 | |
585c6519 LC |
305 | export PATH=$HOME/.guix-profile/bin:/run/current-system/profile/bin |
306 | export PATH=/run/setuid-programs:/run/current-system/profile/sbin:$PATH | |
033adfe7 LC |
307 | export CPATH=$HOME/.guix-profile/include:" profile "/include |
308 | export LIBRARY_PATH=$HOME/.guix-profile/lib:" profile "/lib | |
309 | alias ls='ls -p --color' | |
310 | alias ll='ls -l' | |
40281c54 LC |
311 | ")) |
312 | (skel (skeleton-directory skeletons))) | |
23f6056b LC |
313 | (file-union "etc" |
314 | `(("services" ,#~(string-append #$net-base "/etc/services")) | |
315 | ("protocols" ,#~(string-append #$net-base "/etc/protocols")) | |
316 | ("rpc" ,#~(string-append #$net-base "/etc/rpc")) | |
317 | ("pam.d" ,#~#$pam.d) | |
318 | ("login.defs" ,#~#$login.defs) | |
319 | ("issue" ,#~#$issue) | |
40281c54 | 320 | ("skel" ,#~#$skel) |
23f6056b LC |
321 | ("shells" ,#~#$shells) |
322 | ("profile" ,#~#$bashrc) | |
c65e1834 | 323 | ("hosts" ,#~#$hosts-file) |
23f6056b LC |
324 | ("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/" |
325 | #$timezone)) | |
69689380 | 326 | ("sudoers" ,#~#$sudoers))))) |
033adfe7 | 327 | |
1aa0033b | 328 | (define (operating-system-profile os) |
29fce8b6 LC |
329 | "Return a derivation that builds the system profile of OS." |
330 | (profile-derivation (manifest (map package->manifest-entry | |
331 | (operating-system-packages os))))) | |
f6a9d048 | 332 | |
ab6a279a LC |
333 | (define %root-account |
334 | ;; Default root account. | |
335 | (user-account | |
336 | (name "root") | |
337 | (password "") | |
338 | (uid 0) (group "root") | |
339 | (comment "System administrator") | |
340 | (home-directory "/root"))) | |
341 | ||
0b6f49ef LC |
342 | (define (operating-system-accounts os) |
343 | "Return the user accounts for OS, including an obligatory 'root' account." | |
ab6a279a LC |
344 | (define users |
345 | ;; Make sure there's a root account. | |
346 | (if (find (lambda (user) | |
347 | (and=> (user-account-uid user) zero?)) | |
348 | (operating-system-users os)) | |
349 | (operating-system-users os) | |
350 | (cons %root-account (operating-system-users os)))) | |
351 | ||
217a5b85 | 352 | (mlet %store-monad ((services (operating-system-services os))) |
ab6a279a LC |
353 | (return (append users |
354 | (append-map service-user-accounts services))))) | |
0b6f49ef LC |
355 | |
356 | (define (operating-system-etc-directory os) | |
357 | "Return that static part of the /etc directory of OS." | |
033adfe7 | 358 | (mlet* %store-monad |
217a5b85 | 359 | ((services (operating-system-services os)) |
033adfe7 LC |
360 | (pam-services -> |
361 | ;; Services known to PAM. | |
362 | (delete-duplicates | |
09e028f4 LC |
363 | (append (operating-system-pam-services os) |
364 | (append-map service-pam-services services)))) | |
40281c54 | 365 | (profile-drv (operating-system-profile os)) |
c65e1834 LC |
366 | (skeletons (operating-system-skeletons os)) |
367 | (/etc/hosts (or (operating-system-hosts-file os) | |
368 | (default-/etc/hosts (operating-system-host-name os))))) | |
62f0a479 | 369 | (etc-directory #:pam-services pam-services |
40281c54 | 370 | #:skeletons skeletons |
548d4c13 | 371 | #:issue (operating-system-issue os) |
0b6f49ef LC |
372 | #:locale (operating-system-locale os) |
373 | #:timezone (operating-system-timezone os) | |
c65e1834 | 374 | #:hosts-file /etc/hosts |
69689380 | 375 | #:sudoers (operating-system-sudoers os) |
0b6f49ef | 376 | #:profile profile-drv))) |
033adfe7 | 377 | |
09e028f4 LC |
378 | (define %setuid-programs |
379 | ;; Default set of setuid-root programs. | |
380 | (let ((shadow (@ (gnu packages admin) shadow))) | |
381 | (list #~(string-append #$shadow "/bin/passwd") | |
382 | #~(string-append #$shadow "/bin/su") | |
69689380 | 383 | #~(string-append #$inetutils "/bin/ping") |
8a07c289 LC |
384 | #~(string-append #$sudo "/bin/sudo") |
385 | #~(string-append #$fuse "/bin/fusermount")))) | |
69689380 LC |
386 | |
387 | (define %sudoers-specification | |
388 | ;; Default /etc/sudoers contents: 'root' and all members of the 'wheel' | |
389 | ;; group can do anything. See | |
390 | ;; <http://www.sudo.ws/sudo/man/1.8.10/sudoers.man.html>. | |
391 | ;; TODO: Add a declarative API. | |
392 | "root ALL=(ALL) ALL | |
393 | %wheel ALL=(ALL) ALL\n") | |
09e028f4 | 394 | |
ab6a279a LC |
395 | (define (user-group->gexp group) |
396 | "Turn GROUP, a <user-group> object, into a list-valued gexp suitable for | |
397 | 'active-groups'." | |
398 | #~(list #$(user-group-name group) | |
399 | #$(user-group-password group) | |
c8fa3426 LC |
400 | #$(user-group-id group) |
401 | #$(user-group-system? group))) | |
ab6a279a LC |
402 | |
403 | (define (user-account->gexp account) | |
404 | "Turn ACCOUNT, a <user-account> object, into a list-valued gexp suitable for | |
405 | 'activate-users'." | |
406 | #~`(#$(user-account-name account) | |
407 | #$(user-account-uid account) | |
408 | #$(user-account-group account) | |
409 | #$(user-account-supplementary-groups account) | |
410 | #$(user-account-comment account) | |
411 | #$(user-account-home-directory account) | |
412 | ,#$(user-account-shell account) ; this one is a gexp | |
459dd9ea LC |
413 | #$(user-account-password account) |
414 | #$(user-account-system? account))) | |
ab6a279a | 415 | |
484a2b3a LC |
416 | (define (operating-system-activation-script os) |
417 | "Return the activation script for OS---i.e., the code that \"activates\" the | |
418 | stateful part of OS, including user accounts and groups, special directories, | |
419 | etc." | |
09e028f4 | 420 | (define %modules |
548f7a8f | 421 | '((gnu build activation) |
8a9e21d1 | 422 | (gnu build linux-boot) |
e2f4b305 | 423 | (gnu build file-systems) |
548f7a8f | 424 | (guix build utils))) |
09e028f4 | 425 | |
55ccc388 LC |
426 | (define (service-activations services) |
427 | ;; Return the activation scripts for SERVICES. | |
428 | (let ((gexps (filter-map service-activate services))) | |
429 | (sequence %store-monad (map (cut gexp->file "activate-service.scm" <>) | |
430 | gexps)))) | |
431 | ||
ab6a279a | 432 | (mlet* %store-monad ((services (operating-system-services os)) |
55ccc388 | 433 | (actions (service-activations services)) |
ab6a279a LC |
434 | (etc (operating-system-etc-directory os)) |
435 | (modules (imported-modules %modules)) | |
436 | (compiled (compiled-modules %modules)) | |
ab6a279a | 437 | (accounts (operating-system-accounts os))) |
09e028f4 LC |
438 | (define setuid-progs |
439 | (operating-system-setuid-programs os)) | |
440 | ||
ab6a279a LC |
441 | (define user-specs |
442 | (map user-account->gexp accounts)) | |
443 | ||
444 | (define groups | |
445 | (append (operating-system-groups os) | |
446 | (append-map service-user-groups services))) | |
447 | ||
448 | (define group-specs | |
449 | (map user-group->gexp groups)) | |
450 | ||
4654439b | 451 | (gexp->file "activate" |
4dfe6c58 LC |
452 | #~(begin |
453 | (eval-when (expand load eval) | |
454 | ;; Make sure 'use-modules' below succeeds. | |
455 | (set! %load-path (cons #$modules %load-path)) | |
456 | (set! %load-compiled-path | |
457 | (cons #$compiled %load-compiled-path))) | |
458 | ||
548f7a8f | 459 | (use-modules (gnu build activation)) |
4dfe6c58 | 460 | |
ee248b6a LC |
461 | ;; Make sure /bin/sh is valid and current. |
462 | (activate-/bin/sh | |
463 | (string-append #$(canonical-package bash) | |
464 | "/bin/sh")) | |
465 | ||
4dfe6c58 LC |
466 | ;; Populate /etc. |
467 | (activate-etc #$etc) | |
468 | ||
ab6a279a LC |
469 | ;; Add users and user groups. |
470 | (setenv "PATH" | |
471 | (string-append #$(@ (gnu packages admin) shadow) | |
472 | "/sbin")) | |
473 | (activate-users+groups (list #$@user-specs) | |
474 | (list #$@group-specs)) | |
475 | ||
09e028f4 LC |
476 | ;; Activate setuid programs. |
477 | (activate-setuid-programs (list #$@setuid-progs)) | |
478 | ||
55ccc388 LC |
479 | ;; Run the services' activation snippets. |
480 | ;; TODO: Use 'load-compiled'. | |
481 | (for-each primitive-load '#$actions) | |
482 | ||
b4140694 | 483 | ;; Set up /run/current-system. |
484a2b3a LC |
484 | (activate-current-system))))) |
485 | ||
486 | (define (operating-system-boot-script os) | |
487 | "Return the boot script for OS---i.e., the code started by the initrd once | |
488 | we're running in the final root." | |
489 | (mlet* %store-monad ((services (operating-system-services os)) | |
490 | (activate (operating-system-activation-script os)) | |
491 | (dmd-conf (dmd-configuration-file services))) | |
492 | (gexp->file "boot" | |
493 | #~(begin | |
494 | ;; Activate the system. | |
495 | ;; TODO: Use 'load-compiled'. | |
496 | (primitive-load #$activate) | |
497 | ||
498 | ;; Keep track of the booted system. | |
499 | (false-if-exception (delete-file "/run/booted-system")) | |
500 | (symlink (readlink "/run/current-system") | |
501 | "/run/booted-system") | |
b4140694 | 502 | |
26a728eb LC |
503 | ;; Close any remaining open file descriptors to be on the |
504 | ;; safe side. This must be the very last thing we do, | |
505 | ;; because Guile has internal FDs such as 'sleep_pipe' | |
506 | ;; that need to be alive. | |
507 | (let loop ((fd 3)) | |
508 | (when (< fd 1024) | |
509 | (false-if-exception (close-fdes fd)) | |
510 | (loop (+ 1 fd)))) | |
511 | ||
4dfe6c58 LC |
512 | ;; Start dmd. |
513 | (execl (string-append #$dmd "/bin/dmd") | |
514 | "dmd" "--config" #$dmd-conf))))) | |
2106d3fc | 515 | |
83bcd0b8 LC |
516 | (define (operating-system-root-file-system os) |
517 | "Return the root file system of OS." | |
518 | (find (match-lambda | |
d4c87617 | 519 | (($ <file-system> _ _ "/") #t) |
83bcd0b8 LC |
520 | (_ #f)) |
521 | (operating-system-file-systems os))) | |
522 | ||
b4140694 LC |
523 | (define (operating-system-initrd-file os) |
524 | "Return a gexp denoting the initrd file of OS." | |
83bcd0b8 LC |
525 | (define boot-file-systems |
526 | (filter (match-lambda | |
d4c87617 | 527 | (($ <file-system> device title "/") |
3c05b4bc | 528 | #t) |
d4c87617 LC |
529 | (($ <file-system> device title mount-point type flags |
530 | options boot?) | |
3c05b4bc | 531 | boot?)) |
83bcd0b8 LC |
532 | (operating-system-file-systems os))) |
533 | ||
5dae0186 LC |
534 | ;; TODO: Pass the mapped devices required by boot-time file systems to the |
535 | ;; initrd. | |
b4140694 LC |
536 | (mlet %store-monad |
537 | ((initrd ((operating-system-initrd os) boot-file-systems))) | |
538 | (return #~(string-append #$initrd "/initrd")))) | |
539 | ||
2d23e6f0 LC |
540 | (define (kernel->grub-label kernel) |
541 | "Return a label for the GRUB menu entry that boots KERNEL." | |
542 | (string-append "GNU system with " | |
543 | (string-titlecase (package-name kernel)) " " | |
544 | (package-version kernel) | |
545 | " (technology preview)")) | |
546 | ||
fe6e3fe2 LC |
547 | (define* (operating-system-grub.cfg os #:optional (old-entries '())) |
548 | "Return the GRUB configuration file for OS. Use OLD-ENTRIES to populate the | |
549 | \"old entries\" menu." | |
0b6f49ef | 550 | (mlet* %store-monad |
b4140694 | 551 | ((system (operating-system-derivation os)) |
83bcd0b8 | 552 | (root-fs -> (operating-system-root-file-system os)) |
b4140694 | 553 | (kernel -> (operating-system-kernel os)) |
033adfe7 | 554 | (entries -> (list (menu-entry |
2d23e6f0 | 555 | (label (kernel->grub-label kernel)) |
033adfe7 | 556 | (linux kernel) |
f6a7b21d | 557 | (linux-arguments |
83bcd0b8 LC |
558 | (list (string-append "--root=" |
559 | (file-system-device root-fs)) | |
b4140694 LC |
560 | #~(string-append "--system=" #$system) |
561 | #~(string-append "--load=" #$system | |
562 | "/boot"))) | |
563 | (initrd #~(string-append #$system "/initrd")))))) | |
fe6e3fe2 LC |
564 | (grub-configuration-file (operating-system-bootloader os) entries |
565 | #:old-entries old-entries))) | |
b4140694 | 566 | |
64e40dbb LC |
567 | (define (operating-system-parameters-file os) |
568 | "Return a file that describes the boot parameters of OS. The primary use of | |
569 | this file is the reconstruction of GRUB menu entries for old configurations." | |
570 | (mlet %store-monad ((initrd (operating-system-initrd-file os)) | |
571 | (root -> (operating-system-root-file-system os)) | |
572 | (label -> (kernel->grub-label | |
573 | (operating-system-kernel os)))) | |
574 | (gexp->file "parameters" | |
575 | #~(boot-parameters (version 0) | |
576 | (label #$label) | |
577 | (root-device #$(file-system-device root)) | |
578 | (kernel #$(operating-system-kernel os)) | |
579 | (initrd #$initrd))))) | |
580 | ||
b4140694 LC |
581 | (define (operating-system-derivation os) |
582 | "Return a derivation that builds OS." | |
583 | (mlet* %store-monad | |
584 | ((profile (operating-system-profile os)) | |
585 | (etc (operating-system-etc-directory os)) | |
586 | (boot (operating-system-boot-script os)) | |
587 | (kernel -> (operating-system-kernel os)) | |
64e40dbb LC |
588 | (initrd (operating-system-initrd-file os)) |
589 | (params (operating-system-parameters-file os))) | |
23f6056b | 590 | (file-union "system" |
f6a7b21d | 591 | `(("boot" ,#~#$boot) |
23f6056b | 592 | ("kernel" ,#~#$kernel) |
64e40dbb | 593 | ("parameters" ,#~#$params) |
b4140694 | 594 | ("initrd" ,initrd) |
23f6056b | 595 | ("profile" ,#~#$profile) |
23f6056b | 596 | ("etc" ,#~#$etc))))) |
033adfe7 LC |
597 | |
598 | ;;; system.scm ends here |