summaryrefslogtreecommitdiff
path: root/gnu/services/guix.scm
blob: bd7ebcd2aad539cf89d6ac350127dcdc2c515771 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation, either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu services guix)
  #:use-module (srfi srfi-1)
  #:use-module (ice-9 match)
  #:use-module (guix gexp)
  #:use-module (guix records)
  #:use-module (guix packages)
  #:use-module ((gnu packages base)
                #:select (glibc-utf8-locales))
  #:use-module (gnu packages admin)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages web)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages guile-xyz)
  #:use-module (gnu packages package-management)
  #:use-module (gnu services)
  #:use-module (gnu services base)
  #:use-module (gnu services admin)
  #:use-module (gnu services shepherd)
  #:use-module (gnu services getmail)
  #:use-module (gnu system shadow)
  #:export (guix-build-coordinator-configuration
            guix-build-coordinator-configuration?
            guix-build-coordinator-configuration-package
            guix-build-coordinator-configuration-user
            guix-build-coordinator-configuration-group
            guix-build-coordinator-configuration-datastore-uri-string
            guix-build-coordinator-configuration-agent-communication-uri-string
            guix-build-coordinator-configuration-client-communication-uri-string
            guix-build-coordinator-configuration-allocation-strategy
            guix-build-coordinator-configuration-hooks
            guix-build-coordinator-configuration-guile

            guix-build-coordinator-service-type

            guix-build-coordinator-agent-configuration
            guix-build-coordinator-agent-configuration?
            guix-build-coordinator-agent-configuration-package
            guix-build-coordinator-agent-configuration-user
            guix-build-coordinator-agent-configuration-coordinator
            guix-build-coordinator-agent-configuration-uuid
            guix-build-coordinator-agent-configuration-password
            guix-build-coordinator-agent-configuration-password-file
            guix-build-coordinator-agent-configuration-systems
            guix-build-coordinator-agent-configuration-max-parallel-builds
            guix-build-coordinator-agent-configuration-derivation-substitute-urls
            guix-build-coordinator-agent-configuration-non-derivation-substitute-urls

            guix-build-coordinator-agent-service-type

            guix-build-coordinator-queue-builds-configuration
            guix-build-coordinator-queue-builds-configuration?
            guix-build-coordinator-queue-builds-configuration-package
            guix-build-coordinator-queue-builds-configuration-user
            guix-build-coordinator-queue-builds-coordinator
            guix-build-coordinator-queue-builds-configuration-systems
            guix-build-coordinator-queue-builds-configuration-system-and-targets
            guix-build-coordinator-queue-builds-configuration-guix-data-service
            guix-build-coordinator-queue-builds-configuration-processed-commits-file

            guix-build-coordinator-queue-builds-service-type

            <guix-data-service-configuration>
            guix-data-service-configuration
            guix-data-service-configuration?
            guix-data-service-package
            guix-data-service-user
            guix-data-service-group
            guix-data-service-port
            guix-data-service-host
            guix-data-service-getmail-idle-mailboxes
            guix-data-service-commits-getmail-retriever-configuration

            guix-data-service-type))

;;;; Commentary:
;;;
;;; Services specifically related to GNU Guix.
;;;
;;;; Code:

(define-record-type* <guix-build-coordinator-configuration>
  guix-build-coordinator-configuration make-guix-build-coordinator-configuration
  guix-build-coordinator-configuration?
  (package                         guix-build-coordinator-configuration-package
                                   (default guix-build-coordinator))
  (user                            guix-build-coordinator-configuration-user
                                   (default "guix-build-coordinator"))
  (group                           guix-build-coordinator-configuration-group
                                   (default "guix-build-coordinator"))
  (database-uri-string
   guix-build-coordinator-configuration-datastore-uri-string
   (default "sqlite:///var/lib/guix-build-coordinator/guix_build_coordinator.db"))
  (agent-communication-uri-string
   guix-build-coordinator-configuration-agent-communication-uri-string
   (default "http://0.0.0.0:8745"))
  (client-communication-uri-string
   guix-build-coordinator-configuration-client-communication-uri-string
   (default "http://127.0.0.1:8746"))
  (allocation-strategy
   guix-build-coordinator-configuration-allocation-strategy
   (default #~basic-build-allocation-strategy))
  (hooks                           guix-build-coordinator-configuration-hooks
                                   (default '()))
  (guile                           guix-build-coordinator-configuration-guile
                                   (default guile-3.0-latest)))

(define-record-type* <guix-build-coordinator-agent-configuration>
  guix-build-coordinator-agent-configuration
  make-guix-build-coordinator-agent-configuration
  guix-build-coordinator-agent-configuration?
  (package             guix-build-coordinator-agent-configuration-package
                       (default guix-build-coordinator))
  (user                guix-build-coordinator-agent-configuration-user
                       (default "guix-build-coordinator-agent"))
  (coordinator         guix-build-coordinator-agent-configuration-coordinator
                       (default "http://localhost:8745"))
  (uuid                guix-build-coordinator-agent-configuration-uuid)
  (password            guix-build-coordinator-agent-configuration-password
                       (default #f))
  (password-file       guix-build-coordinator-agent-configuration-password-file
                       (default #f))
  (systems             guix-build-coordinator-agent-configuration-systems
                       (default #f))
  (max-parallel-builds
   guix-build-coordinator-agent-configuration-max-parallel-builds
   (default 1))
  (derivation-substitute-urls
   guix-build-coordinator-agent-configuration-derivation-substitute-urls
   (default #f))
  (non-derivation-substitute-urls
   guix-build-coordinator-agent-configuration-non-derivation-substitute-urls
   (default #f)))

(define-record-type* <guix-build-coordinator-queue-builds-configuration>
  guix-build-coordinator-queue-builds-configuration
  make-guix-build-coordinator-queue-builds-configuration
  guix-build-coordinator-queue-builds-configuration?
  (package              guix-build-coordinator-queue-builds-configuration-package
                        (default guix-build-coordinator))
  (user                 guix-build-coordinator-queue-builds-configuration-user
                        (default "guix-build-coordinator-queue-builds"))
  (coordinator          guix-build-coordinator-queue-builds-coordinator
                        (default "http://localhost:8745"))
  (systems              guix-build-coordinator-queue-builds-configuration-systems
                        (default #f))
  (systems-and-targets
   guix-build-coordinator-queue-builds-configuration-system-and-targets
   (default #f))
  (guix-data-service
   guix-build-coordinator-queue-builds-configuration-guix-data-service
   (default "https://data.guix.gnu.org"))
  (processed-commits-file
   guix-build-coordinator-queue-builds-configuration-processed-commits-file
   (default "/var/cache/guix-build-coordinator-queue-builds/processed-commits")))

(define* (make-guix-build-coordinator-start-script database-uri-string
                                                   allocation-strategy
                                                   pid-file
                                                   guix-build-coordinator-package
                                                   #:key
                                                   agent-communication-uri-string
                                                   client-communication-uri-string
                                                   (hooks '())
                                                   (guile guile-3.0))
  (program-file
   "start-guix-build-coordinator"
   (with-extensions (cons guix-build-coordinator-package
                          ;; This is a poorly constructed Guile load path,
                          ;; since it contains things that aren't Guile
                          ;; libraries, but it means that the Guile libraries
                          ;; needed for the Guix Build Coordinator don't need
                          ;; to be individually specified here.
                          (map second (package-inputs
                                       guix-build-coordinator-package)))
     #~(begin
         (use-modules (srfi srfi-1)
                      (ice-9 match)
                      (web uri)
                      (prometheus)
                      (guix-build-coordinator hooks)
                      (guix-build-coordinator datastore)
                      (guix-build-coordinator build-allocator)
                      (guix-build-coordinator coordinator))

         (let* ((metrics-registry (make-metrics-registry
                                   #:namespace
                                   "guixbuildcoordinator_"))
                (datastore (database-uri->datastore
                            #$database-uri-string
                            #:metrics-registry metrics-registry))
                (hooks
                 (list #$@(map (match-lambda
                                 ((name . hook-gexp)
                                  #~(cons name #$hook-gexp)))
                               hooks)))
                (hooks-with-defaults
                 `(,@hooks
                   ,@(remove (match-lambda
                               ((name . _) (assq-ref hooks name)))
                             %default-hooks)))
                (build-coordinator (make-build-coordinator
                                    #:datastore datastore
                                    #:hooks hooks-with-defaults
                                    #:metrics-registry metrics-registry
                                    #:allocation-strategy #$allocation-strategy)))

           (run-coordinator-service
            build-coordinator
            #:update-datastore? #t
            #:pid-file #$pid-file
            #:agent-communication-uri (string->uri
                                       #$agent-communication-uri-string)
            #:client-communication-uri (string->uri
                                        #$client-communication-uri-string)))))
   #:guile guile))

(define (guix-build-coordinator-shepherd-services config)
  (match-record config <guix-build-coordinator-configuration>
    (package user group database-uri-string
             agent-communication-uri-string
             client-communication-uri-string
             allocation-strategy
             hooks
             guile)
    (list
     (shepherd-service
      (documentation "Guix Build Coordinator")
      (provision '(guix-build-coordinator))
      (requirement '(networking))
      (start #~(make-forkexec-constructor
                (list #$(make-guix-build-coordinator-start-script
                         database-uri-string
                         allocation-strategy
                         "/var/run/guix-build-coordinator/pid"
                         package
                         #:agent-communication-uri-string
                         agent-communication-uri-string
                         #:client-communication-uri-string
                         client-communication-uri-string
                         #:hooks hooks
                         #:guile guile))
                #:user #$user
                #:group #$group
                #:pid-file "/var/run/guix-build-coordinator/pid"
                ;; Allow time for migrations to run
                #:pid-file-timeout 60
                #:environment-variables
                `(,(string-append
                    "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
                  "LC_ALL=en_US.utf8")
                #:log-file "/var/log/guix-build-coordinator/coordinator.log"))
      (stop #~(make-kill-destructor))))))

(define (guix-build-coordinator-activation config)
  #~(begin
      (use-modules (guix build utils))

      (define %user (getpw "guix-build-coordinator"))

      (chmod "/var/lib/guix-build-coordinator" #o755)

      (mkdir-p "/var/log/guix-build-coordinator")

      ;; Allow writing the PID file
      (mkdir-p "/var/run/guix-build-coordinator")
      (chown "/var/run/guix-build-coordinator"
             (passwd:uid %user)
             (passwd:gid %user))))

(define (guix-build-coordinator-account config)
  (match-record config <guix-build-coordinator-configuration>
    (user group)
    (list (user-group
           (name group)
           (system? #t))
          (user-account
           (name user)
           (group group)
           (system? #t)
           (comment "Guix Build Coordinator user")
           (home-directory "/var/lib/guix-build-coordinator")
           (shell (file-append shadow "/sbin/nologin"))))))

(define guix-build-coordinator-service-type
  (service-type
   (name 'guix-build-coordinator)
   (extensions
    (list
     (service-extension shepherd-root-service-type
                        guix-build-coordinator-shepherd-services)
     (service-extension activation-service-type
                        guix-build-coordinator-activation)
     (service-extension account-service-type
                        guix-build-coordinator-account)))
   (default-value
     (guix-build-coordinator-configuration))
   (description
    "Run an instance of the Guix Build Coordinator.")))

(define (guix-build-coordinator-agent-shepherd-services config)
  (match-record config <guix-build-coordinator-agent-configuration>
    (package user coordinator uuid password password-file max-parallel-builds
             derivation-substitute-urls non-derivation-substitute-urls
             systems)
    (list
     (shepherd-service
      (documentation "Guix Build Coordinator Agent")
      (provision '(guix-build-coordinator-agent))
      (requirement '(networking))
      (start #~(make-forkexec-constructor
                (list #$(file-append package "/bin/guix-build-coordinator-agent")
                      #$(string-append "--coordinator=" coordinator)
                      #$(string-append "--uuid=" uuid)
                      #$@(if password
                             #~(#$(string-append "--password=" password))
                             #~())
                      #$@(if password-file
                             #~(#$(string-append "--password-file=" password-file))
                             #~())
                      #$(simple-format #f "--max-parallel-builds=~A"
                                       max-parallel-builds)
                      #$@(if derivation-substitute-urls
                             #~(#$(string-append
                                   "--derivation-substitute-urls="
                                 (string-join derivation-substitute-urls " ")))
                             #~())
                      #$@(if non-derivation-substitute-urls
                             #~(#$(string-append
                                   "--non-derivation-substitute-urls="
                                   (string-join derivation-substitute-urls " ")))
                             #~())
                      #$@(map (lambda (system)
                                (string-append "--system=" system))
                              (or systems '())))
                #:user #$user
                #:pid-file "/var/run/guix-build-coordinator-agent/pid"
                #:environment-variables
                `(,(string-append
                    "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
                  "LC_ALL=en_US.utf8")
                #:log-file "/var/log/guix-build-coordinator/agent.log"))
      (stop #~(make-kill-destructor))))))

(define (guix-build-coordinator-agent-activation config)
  #~(begin
      (use-modules (guix build utils))

      (define %user (getpw "guix-build-coordinator-agent"))

      (mkdir-p "/var/log/guix-build-coordinator")

      ;; Allow writing the PID file
      (mkdir-p "/var/run/guix-build-coordinator-agent")
      (chown "/var/run/guix-build-coordinator-agent"
             (passwd:uid %user)
             (passwd:gid %user))))

(define (guix-build-coordinator-agent-account config)
  (list (user-account
         (name (guix-build-coordinator-agent-configuration-user config))
         (group "nogroup")
         (system? #t)
         (comment "Guix Build Coordinator agent user")
         (home-directory "/var/empty")
         (shell (file-append shadow "/sbin/nologin")))))

(define guix-build-coordinator-agent-service-type
  (service-type
   (name 'guix-build-coordinator-agent)
   (extensions
    (list
     (service-extension shepherd-root-service-type
                        guix-build-coordinator-agent-shepherd-services)
     (service-extension activation-service-type
                        guix-build-coordinator-agent-activation)
     (service-extension account-service-type
                        guix-build-coordinator-agent-account)))
   (description
    "Run a Guix Build Coordinator agent.")))

(define (guix-build-coordinator-queue-builds-shepherd-services config)
  (match-record config <guix-build-coordinator-queue-builds-configuration>
    (package user coordinator systems systems-and-targets
             guix-data-service processed-commits-file)
    (list
     (shepherd-service
      (documentation "Guix Build Coordinator queue builds from Guix Data Service")
      (provision '(guix-build-coordinator-queue-builds))
      (requirement '(networking))
      (start
       #~(make-forkexec-constructor
          (list
           #$(file-append
              package
              "/bin/guix-build-coordinator-queue-builds-from-guix-data-service")
           #$(string-append "--coordinator=" coordinator)
           #$@(map (lambda (system)
                     (string-append "--system=" system))
                   (or systems '()))
           #$@(map (match-lambda
                     ((system . target)
                      (string-append "--system-and-target=" system "=" target)))
                   (or systems-and-targets '()))
           #$@(if guix-data-service
                  #~(#$(string-append "--guix-data-service=" guix-data-service))
                  #~())
           #$@(if processed-commits-file
                  #~(#$(string-append "--processed-commits-file="
                                      processed-commits-file))
                  #~()))
          #:user #$user
          #:pid-file "/var/run/guix-build-coordinator-queue-builds/pid"
          #:environment-variables
          `(,(string-append
              "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
            "LC_ALL=en_US.utf8")
          #:log-file "/var/log/guix-build-coordinator/queue-builds.log"))
      (stop #~(make-kill-destructor))))))

(define (guix-build-coordinator-queue-builds-activation config)
  #~(begin
      (use-modules (guix build utils))

      (mkdir-p "/var/log/guix-build-coordinator")

      ;; Allow writing the PID file
      (mkdir-p "/var/run/guix-build-coordinator-queue-builds")
      (chown "/var/run/guix-build-coordinator-queue-builds"
             (passwd:uid %user)
             (passwd:gid %user))))

(define (guix-build-coordinator-queue-builds-account config)
  (list (user-account
         (name (guix-build-coordinator-queue-builds-configuration-user config))
         (group "nogroup")
         (system? #t)
         (comment "Guix Build Coordinator queue-builds user")
         (home-directory "/var/empty")
         (shell (file-append shadow "/sbin/nologin")))))

(define guix-build-coordinator-queue-builds-service-type
  (service-type
   (name 'guix-build-coordinator-queue-builds)
   (extensions
    (list
     (service-extension shepherd-root-service-type
                        guix-build-coordinator-queue-builds-shepherd-services)
     (service-extension activation-service-type
                        guix-build-coordinator-queue-builds-activation)
     (service-extension account-service-type
                        guix-build-coordinator-queue-builds-account)))
   (description
    "Run the guix-build-coordinator-queue-builds-from-guix-data-service
script.

This is a script to assist in having the Guix Build Coordinator build
derivations stored in an instance of the Guix Data Service.")))


;;;
;;; Guix Data Service
;;;

(define-record-type* <guix-data-service-configuration>
  guix-data-service-configuration make-guix-data-service-configuration
  guix-data-service-configuration?
  (package          guix-data-service-package
                    (default guix-data-service))
  (user             guix-data-service-configuration-user
                    (default "guix-data-service"))
  (group            guix-data-service-configuration-group
                    (default "guix-data-service"))
  (port             guix-data-service-port
                    (default 8765))
  (host             guix-data-service-host
                    (default "127.0.0.1"))
  (getmail-idle-mailboxes
   guix-data-service-getmail-idle-mailboxes
   (default #f))
  (commits-getmail-retriever-configuration
   guix-data-service-commits-getmail-retriever-configuration
   (default #f))
  (extra-options    guix-data-service-extra-options
                    (default '()))
  (extra-process-jobs-options
   guix-data-service-extra-process-jobs-options
   (default '())))

(define (guix-data-service-profile-packages config)
  "Return the guix-data-service package, this will populate the
ca-certificates.crt file in the system profile."
  (list
   (guix-data-service-package config)))

(define (guix-data-service-shepherd-services config)
  (match-record config <guix-data-service-configuration>
    (package user group port host extra-options extra-process-jobs-options)
    (list
     (shepherd-service
      (documentation "Guix Data Service web server")
      (provision '(guix-data-service))
      (requirement '(postgres networking))
      (start #~(make-forkexec-constructor
                (list #$(file-append package
                                     "/bin/guix-data-service")
                      "--pid-file=/var/run/guix-data-service/pid"
                      #$(string-append "--port=" (number->string port))
                      #$(string-append "--host=" host)
                      ;; Perform any database migrations when the
                      ;; service is started
                      "--update-database"
                      #$@extra-options)

                #:user #$user
                #:group #$group
                #:pid-file "/var/run/guix-data-service/pid"
                ;; Allow time for migrations to run
                #:pid-file-timeout 60
                #:environment-variables
                `(,(string-append
                    "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
                  "LC_ALL=en_US.UTF-8")
                #:log-file "/var/log/guix-data-service/web.log"))
      (stop #~(make-kill-destructor)))

     (shepherd-service
      (documentation "Guix Data Service process jobs")
      (provision '(guix-data-service-process-jobs))
      (requirement '(postgres
                     networking
                     ;; Require guix-data-service, as that the database
                     ;; migrations are handled through this service
                     guix-data-service))
      (start #~(make-forkexec-constructor
                (list
                 #$(file-append package
                                "/bin/guix-data-service-process-jobs")
                 #$@extra-process-jobs-options)
                #:user #$user
                #:group #$group
                #:environment-variables
                `("HOME=/var/lib/guix-data-service"
                  "GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt"
                  ,(string-append
                    "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
                  "LC_ALL=en_US.UTF-8")
                #:log-file "/var/log/guix-data-service/process-jobs.log"))
      (stop #~(make-kill-destructor))))))

(define (guix-data-service-activation config)
  #~(begin
      (use-modules (guix build utils))

      (define %user (getpw "guix-data-service"))

      (chmod "/var/lib/guix-data-service" #o755)

      (mkdir-p "/var/log/guix-data-service")

      ;; Allow writing the PID file
      (mkdir-p "/var/run/guix-data-service")
      (chown "/var/run/guix-data-service"
             (passwd:uid %user)
             (passwd:gid %user))))

(define (guix-data-service-account config)
  (match-record config <guix-data-service-configuration>
    (user group)
    (list (user-group
           (name group)
           (system? #t))
          (user-account
           (name user)
           (group group)
           (system? #t)
           (comment "Guix Data Service user")
           (home-directory "/var/lib/guix-data-service")
           (shell (file-append shadow "/sbin/nologin"))))))

(define (guix-data-service-getmail-configuration config)
  (match config
    (($ <guix-data-service-configuration> package user group
                                          port host
                                          #f #f)
     '())
    (($ <guix-data-service-configuration> package user group
                                          port host
                                          getmail-idle-mailboxes
                                          commits-getmail-retriever-configuration)
     (list
      (getmail-configuration
       (name 'guix-data-service)
       (user user)
       (group group)
       (directory "/var/lib/getmail/guix-data-service")
       (rcfile
        (getmail-configuration-file
         (retriever commits-getmail-retriever-configuration)
         (destination
          (getmail-destination-configuration
           (type "MDA_external")
           (path (file-append
                  package
                  "/bin/guix-data-service-process-branch-updated-email"))))
         (options
          (getmail-options-configuration
           (read-all #f)
           (delivered-to #f)
           (received #f)))))
       (idle getmail-idle-mailboxes))))))

(define guix-data-service-type
  (service-type
   (name 'guix-data-service)
   (extensions
    (list
     (service-extension profile-service-type
                        guix-data-service-profile-packages)
     (service-extension shepherd-root-service-type
                        guix-data-service-shepherd-services)
     (service-extension activation-service-type
                        guix-data-service-activation)
     (service-extension account-service-type
                        guix-data-service-account)
     (service-extension getmail-service-type
                        guix-data-service-getmail-configuration)))
   (default-value
     (guix-data-service-configuration))
   (description
    "Run an instance of the Guix Data Service.")))