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105369a4 DT |
1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2015 David Thompson <davet@gnu.org> | |
9b1cee97 | 3 | ;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org> |
8823ed4e | 4 | ;;; Copyright © 2016 Leo Famulari <leo@famulari.name> |
67cadaca | 5 | ;;; Copyright © 2017 Christopher Baines <mail@cbaines.net> |
5ee4cd69 | 6 | ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org> |
0d57a50a | 7 | ;;; Copyright © 2018 Julien Lepiller <julien@lepiller.eu> |
105369a4 DT |
8 | ;;; |
9 | ;;; This file is part of GNU Guix. | |
10 | ;;; | |
11 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
12 | ;;; under the terms of the GNU General Public License as published by | |
13 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
14 | ;;; your option) any later version. | |
15 | ;;; | |
16 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
17 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;;; GNU General Public License for more details. | |
20 | ;;; | |
21 | ;;; You should have received a copy of the GNU General Public License | |
22 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
23 | ||
24 | (define-module (gnu services databases) | |
25 | #:use-module (gnu services) | |
0190c1c0 | 26 | #:use-module (gnu services shepherd) |
105369a4 DT |
27 | #:use-module (gnu system shadow) |
28 | #:use-module (gnu packages admin) | |
29 | #:use-module (gnu packages databases) | |
0d57a50a JL |
30 | #:use-module (guix build-system trivial) |
31 | #:use-module (guix build union) | |
119fdd0d | 32 | #:use-module (guix modules) |
0d57a50a | 33 | #:use-module (guix packages) |
105369a4 | 34 | #:use-module (guix records) |
105369a4 | 35 | #:use-module (guix gexp) |
936e7a52 | 36 | #:use-module (srfi srfi-1) |
0adfe95a | 37 | #:use-module (ice-9 match) |
936e7a52 CB |
38 | #:export (<postgresql-config-file> |
39 | postgresql-config-file | |
40 | postgresql-config-file? | |
41 | postgresql-config-file-log-destination | |
42 | postgresql-config-file-hba-file | |
43 | postgresql-config-file-ident-file | |
44 | postgresql-config-file-extra-config | |
45 | ||
488ea71e CB |
46 | <postgresql-configuration> |
47 | postgresql-configuration | |
24e96431 | 48 | postgresql-configuration? |
488ea71e CB |
49 | postgresql-configuration-postgresql |
50 | postgresql-configuration-port | |
51 | postgresql-configuration-locale | |
52 | postgresql-configuration-file | |
53 | postgresql-configuration-data-directory | |
54 | ||
24e96431 TČ |
55 | postgresql-service |
56 | postgresql-service-type | |
57 | ||
119fdd0d CB |
58 | memcached-service-type |
59 | <memcached-configuration> | |
60 | memcached-configuration | |
61 | memcached-configuration? | |
62 | memcached-configuration-memecached | |
63 | memcached-configuration-interfaces | |
64 | memcached-configuration-tcp-port | |
65 | memcached-configuration-udp-port | |
66 | memcached-configuration-additional-options | |
67 | ||
5266ff71 CB |
68 | <mongodb-configuration> |
69 | mongodb-configuration | |
70 | mongodb-configuration? | |
71 | mongodb-configuration-mongodb | |
72 | mongodb-configuration-config-file | |
73 | mongodb-configuration-data-directory | |
74 | mongodb-service-type | |
75 | ||
6575183b | 76 | mysql-service |
24e96431 TČ |
77 | mysql-service-type |
78 | mysql-configuration | |
67cadaca CB |
79 | mysql-configuration? |
80 | ||
81 | redis-configuration | |
82 | redis-configuration? | |
83 | redis-service-type)) | |
105369a4 DT |
84 | |
85 | ;;; Commentary: | |
86 | ;;; | |
87 | ;;; Database services. | |
88 | ;;; | |
89 | ;;; Code: | |
90 | ||
936e7a52 CB |
91 | (define %default-postgres-hba |
92 | (plain-file "pg_hba.conf" | |
93 | " | |
94 | local all all trust | |
95 | host all all 127.0.0.1/32 trust | |
96 | host all all ::1/128 trust")) | |
97 | ||
98 | (define %default-postgres-ident | |
99 | (plain-file "pg_ident.conf" | |
100 | "# MAPNAME SYSTEM-USERNAME PG-USERNAME")) | |
101 | ||
102 | (define-record-type* <postgresql-config-file> | |
103 | postgresql-config-file make-postgresql-config-file | |
104 | postgresql-config-file? | |
105 | (log-destination postgresql-config-file-log-destination | |
106 | (default "syslog")) | |
107 | (hba-file postgresql-config-file-hba-file | |
108 | (default %default-postgres-hba)) | |
109 | (ident-file postgresql-config-file-ident-file | |
110 | (default %default-postgres-ident)) | |
111 | (extra-config postgresql-config-file-extra-config | |
112 | (default '()))) | |
113 | ||
114 | (define-gexp-compiler (postgresql-config-file-compiler | |
115 | (file <postgresql-config-file>) system target) | |
116 | (match file | |
117 | (($ <postgresql-config-file> log-destination hba-file | |
118 | ident-file extra-config) | |
53380838 | 119 | (define (single-quote string) |
936e7a52 CB |
120 | (if string |
121 | (list "'" string "'") | |
122 | '())) | |
123 | ||
124 | (define contents | |
125 | (append-map | |
126 | (match-lambda | |
127 | ((key) '()) | |
128 | ((key . #f) '()) | |
129 | ((key values ...) `(,key " = " ,@values "\n"))) | |
130 | ||
53380838 CB |
131 | `(("log_destination" ,@(single-quote log-destination)) |
132 | ("hba_file" ,@(single-quote hba-file)) | |
133 | ("ident_file" ,@(single-quote ident-file)) | |
936e7a52 CB |
134 | ,@extra-config))) |
135 | ||
136 | (gexp->derivation | |
137 | "postgresql.conf" | |
138 | #~(call-with-output-file (ungexp output "out") | |
139 | (lambda (port) | |
140 | (display | |
141 | (string-append #$@contents) | |
142 | port))) | |
143 | #:local-build? #t)))) | |
144 | ||
0adfe95a LC |
145 | (define-record-type* <postgresql-configuration> |
146 | postgresql-configuration make-postgresql-configuration | |
147 | postgresql-configuration? | |
0d57a50a JL |
148 | (postgresql postgresql-configuration-postgresql ;<package> |
149 | (default postgresql)) | |
150 | (port postgresql-configuration-port | |
151 | (default 5432)) | |
152 | (locale postgresql-configuration-locale | |
153 | (default "en_US.utf8")) | |
154 | (config-file postgresql-configuration-file | |
155 | (default (postgresql-config-file))) | |
156 | (data-directory postgresql-configuration-data-directory | |
157 | (default "/var/lib/postgresql/data")) | |
158 | (extension-packages postgresql-configuration-extension-packages | |
159 | (default '()))) | |
0adfe95a | 160 | |
0adfe95a LC |
161 | (define %postgresql-accounts |
162 | (list (user-group (name "postgres") (system? #t)) | |
163 | (user-account | |
164 | (name "postgres") | |
165 | (group "postgres") | |
166 | (system? #t) | |
167 | (comment "PostgreSQL server user") | |
168 | (home-directory "/var/empty") | |
9e41130b | 169 | (shell (file-append shadow "/sbin/nologin"))))) |
0adfe95a | 170 | |
0d57a50a JL |
171 | (define (final-postgresql postgresql extension-packages) |
172 | (if (null? extension-packages) | |
173 | postgresql | |
174 | (package | |
175 | (inherit postgresql) | |
176 | (source #f) | |
177 | (build-system trivial-build-system) | |
178 | (arguments | |
179 | `(#:modules ((guix build utils) (guix build union)) | |
180 | #:builder | |
181 | (begin | |
182 | (use-modules (guix build utils) (guix build union) (srfi srfi-26)) | |
183 | (union-build (assoc-ref %outputs "out") (map (lambda (input) (cdr input)) %build-inputs)) | |
184 | #t))) | |
185 | (inputs | |
186 | `(("postgresql" ,postgresql) | |
187 | ,@(map (lambda (extension) (list "extension" extension)) | |
188 | extension-packages)))))) | |
189 | ||
0adfe95a LC |
190 | (define postgresql-activation |
191 | (match-lambda | |
0d57a50a JL |
192 | (($ <postgresql-configuration> postgresql port locale config-file data-directory |
193 | extension-packages) | |
0adfe95a LC |
194 | #~(begin |
195 | (use-modules (guix build utils) | |
196 | (ice-9 match)) | |
197 | ||
198 | (let ((user (getpwnam "postgres")) | |
0d57a50a JL |
199 | (initdb (string-append #$(final-postgresql postgresql extension-packages) |
200 | "/bin/initdb")) | |
e05b780a CB |
201 | (initdb-args |
202 | (append | |
203 | (if #$locale | |
204 | (list (string-append "--locale=" #$locale)) | |
205 | '())))) | |
0adfe95a LC |
206 | ;; Create db state directory. |
207 | (mkdir-p #$data-directory) | |
208 | (chown #$data-directory (passwd:uid user) (passwd:gid user)) | |
209 | ||
210 | ;; Drop privileges and init state directory in a new | |
211 | ;; process. Wait for it to finish before proceeding. | |
212 | (match (primitive-fork) | |
213 | (0 | |
214 | ;; Exit with a non-zero status code if an exception is thrown. | |
215 | (dynamic-wind | |
216 | (const #t) | |
217 | (lambda () | |
218 | (setgid (passwd:gid user)) | |
219 | (setuid (passwd:uid user)) | |
e05b780a CB |
220 | (primitive-exit |
221 | (apply system* | |
222 | initdb | |
223 | "-D" | |
224 | #$data-directory | |
225 | initdb-args))) | |
0adfe95a LC |
226 | (lambda () |
227 | (primitive-exit 1)))) | |
228 | (pid (waitpid pid)))))))) | |
229 | ||
d4053c71 | 230 | (define postgresql-shepherd-service |
0adfe95a | 231 | (match-lambda |
0d57a50a JL |
232 | (($ <postgresql-configuration> postgresql port locale config-file data-directory |
233 | extension-packages) | |
5ee4cd69 CL |
234 | (let* ((pg_ctl-wrapper |
235 | ;; Wrapper script that switches to the 'postgres' user before | |
236 | ;; launching daemon. | |
237 | (program-file | |
238 | "pg_ctl-wrapper" | |
239 | #~(begin | |
240 | (use-modules (ice-9 match) | |
241 | (ice-9 format)) | |
242 | (match (command-line) | |
243 | ((_ mode) | |
244 | (let ((user (getpwnam "postgres")) | |
0d57a50a JL |
245 | (pg_ctl #$(file-append (final-postgresql postgresql extension-packages) |
246 | "/bin/pg_ctl")) | |
5ee4cd69 CL |
247 | (options (format #f "--config-file=~a -p ~d" |
248 | #$config-file #$port))) | |
249 | (setgid (passwd:gid user)) | |
250 | (setuid (passwd:uid user)) | |
251 | (execl pg_ctl pg_ctl "-D" #$data-directory "-o" options | |
252 | mode))))))) | |
ef2dda8e | 253 | (pid-file (in-vicinity data-directory "postmaster.pid")) |
5ee4cd69 CL |
254 | (action (lambda args |
255 | #~(lambda _ | |
ef2dda8e CL |
256 | (invoke #$pg_ctl-wrapper #$@args) |
257 | (match '#$args | |
258 | (("start") | |
259 | (call-with-input-file #$pid-file read)) | |
260 | (_ #t)))))) | |
d4053c71 | 261 | (list (shepherd-service |
0adfe95a LC |
262 | (provision '(postgres)) |
263 | (documentation "Run the PostgreSQL daemon.") | |
9b1cee97 | 264 | (requirement '(user-processes loopback syslogd)) |
ef2dda8e CL |
265 | (modules `((ice-9 match) |
266 | ,@%default-modules)) | |
5ee4cd69 CL |
267 | (start (action "start")) |
268 | (stop (action "stop")))))))) | |
0adfe95a LC |
269 | |
270 | (define postgresql-service-type | |
271 | (service-type (name 'postgresql) | |
272 | (extensions | |
d4053c71 AK |
273 | (list (service-extension shepherd-root-service-type |
274 | postgresql-shepherd-service) | |
0adfe95a LC |
275 | (service-extension activation-service-type |
276 | postgresql-activation) | |
277 | (service-extension account-service-type | |
1e6b9c6e CB |
278 | (const %postgresql-accounts)))) |
279 | (default-value (postgresql-configuration)))) | |
0adfe95a | 280 | |
105369a4 | 281 | (define* (postgresql-service #:key (postgresql postgresql) |
2d3d5cc5 | 282 | (port 5432) |
e05b780a | 283 | (locale "en_US.utf8") |
936e7a52 | 284 | (config-file (postgresql-config-file)) |
0d57a50a JL |
285 | (data-directory "/var/lib/postgresql/data") |
286 | (extension-packages '())) | |
105369a4 DT |
287 | "Return a service that runs @var{postgresql}, the PostgreSQL database server. |
288 | ||
289 | The PostgreSQL daemon loads its runtime configuration from @var{config-file} | |
290 | and stores the database cluster in @var{data-directory}." | |
0adfe95a LC |
291 | (service postgresql-service-type |
292 | (postgresql-configuration | |
293 | (postgresql postgresql) | |
2d3d5cc5 | 294 | (port port) |
e05b780a | 295 | (locale locale) |
0adfe95a | 296 | (config-file config-file) |
0d57a50a JL |
297 | (data-directory data-directory) |
298 | (extension-packages extension-packages)))) | |
6575183b SB |
299 | |
300 | \f | |
119fdd0d CB |
301 | ;;; |
302 | ;;; Memcached | |
303 | ;;; | |
304 | ||
305 | (define-record-type* <memcached-configuration> | |
306 | memcached-configuration make-memcached-configuration | |
307 | memcached-configuration? | |
308 | (memcached memcached-configuration-memcached ;<package> | |
309 | (default memcached)) | |
310 | (interfaces memcached-configuration-interfaces | |
311 | (default '("0.0.0.0"))) | |
312 | (tcp-port memcached-configuration-tcp-port | |
313 | (default 11211)) | |
314 | (udp-port memcached-configuration-udp-port | |
315 | (default 11211)) | |
316 | (additional-options memcached-configuration-additional-options | |
317 | (default '()))) | |
318 | ||
319 | (define %memcached-accounts | |
320 | (list (user-group (name "memcached") (system? #t)) | |
321 | (user-account | |
322 | (name "memcached") | |
323 | (group "memcached") | |
324 | (system? #t) | |
325 | (comment "Memcached server user") | |
326 | (home-directory "/var/empty") | |
327 | (shell (file-append shadow "/sbin/nologin"))))) | |
328 | ||
6230e155 CB |
329 | (define memcached-activation |
330 | #~(begin | |
331 | (use-modules (guix build utils)) | |
332 | (let ((user (getpwnam "memcached"))) | |
333 | (mkdir-p "/var/run/memcached") | |
334 | (chown "/var/run/memcached" | |
335 | (passwd:uid user) (passwd:gid user))))) | |
336 | ||
119fdd0d CB |
337 | (define memcached-shepherd-service |
338 | (match-lambda | |
339 | (($ <memcached-configuration> memcached interfaces tcp-port udp-port | |
340 | additional-options) | |
341 | (with-imported-modules (source-module-closure | |
342 | '((gnu build shepherd))) | |
343 | (list (shepherd-service | |
344 | (provision '(memcached)) | |
345 | (documentation "Run the Memcached daemon.") | |
346 | (requirement '(user-processes loopback)) | |
347 | (modules '((gnu build shepherd))) | |
348 | (start #~(make-forkexec-constructor | |
349 | `(#$(file-append memcached "/bin/memcached") | |
350 | "-l" #$(string-join interfaces ",") | |
351 | "-p" #$(number->string tcp-port) | |
352 | "-U" #$(number->string udp-port) | |
353 | "--daemon" | |
6230e155 CB |
354 | ;; Memcached changes to the memcached user prior to |
355 | ;; writing the pid file, so write it to a directory | |
356 | ;; that memcached owns. | |
357 | "-P" "/var/run/memcached/pid" | |
119fdd0d CB |
358 | "-u" "memcached" |
359 | ,#$@additional-options) | |
360 | #:log-file "/var/log/memcached" | |
6230e155 | 361 | #:pid-file "/var/run/memcached/pid")) |
119fdd0d CB |
362 | (stop #~(make-kill-destructor)))))))) |
363 | ||
364 | (define memcached-service-type | |
365 | (service-type (name 'memcached) | |
366 | (extensions | |
367 | (list (service-extension shepherd-root-service-type | |
368 | memcached-shepherd-service) | |
6230e155 CB |
369 | (service-extension activation-service-type |
370 | (const memcached-activation)) | |
119fdd0d CB |
371 | (service-extension account-service-type |
372 | (const %memcached-accounts)))) | |
373 | (default-value (memcached-configuration)))) | |
374 | ||
375 | \f | |
5266ff71 CB |
376 | ;;; |
377 | ;;; MongoDB | |
378 | ;;; | |
379 | ||
380 | (define %default-mongodb-configuration-file | |
381 | (plain-file | |
382 | "mongodb.yaml" | |
383 | "# GNU Guix: MongoDB default configuration file | |
384 | processManagement: | |
385 | pidFilePath: /var/run/mongodb/pid | |
386 | storage: | |
387 | dbPath: /var/lib/mongodb | |
388 | ")) | |
389 | ||
390 | ||
391 | (define-record-type* <mongodb-configuration> | |
392 | mongodb-configuration make-mongodb-configuration | |
393 | mongodb-configuration? | |
394 | (mongodb mongodb-configuration-mongodb | |
395 | (default mongodb)) | |
396 | (config-file mongodb-configuration-config-file | |
397 | (default %default-mongodb-configuration-file)) | |
398 | (data-directory mongodb-configuration-data-directory | |
399 | (default "/var/lib/mongodb"))) | |
400 | ||
401 | (define %mongodb-accounts | |
402 | (list (user-group (name "mongodb") (system? #t)) | |
403 | (user-account | |
404 | (name "mongodb") | |
405 | (group "mongodb") | |
406 | (system? #t) | |
407 | (comment "Mongodb server user") | |
408 | (home-directory "/var/lib/mongodb") | |
409 | (shell (file-append shadow "/sbin/nologin"))))) | |
410 | ||
411 | (define mongodb-activation | |
412 | (match-lambda | |
413 | (($ <mongodb-configuration> mongodb config-file data-directory) | |
414 | #~(begin | |
415 | (use-modules (guix build utils)) | |
416 | (let ((user (getpwnam "mongodb"))) | |
417 | (for-each | |
418 | (lambda (directory) | |
419 | (mkdir-p directory) | |
420 | (chown directory | |
421 | (passwd:uid user) (passwd:gid user))) | |
422 | '("/var/run/mongodb" #$data-directory))))))) | |
423 | ||
424 | (define mongodb-shepherd-service | |
425 | (match-lambda | |
426 | (($ <mongodb-configuration> mongodb config-file data-directory) | |
427 | (shepherd-service | |
428 | (provision '(mongodb)) | |
429 | (documentation "Run the Mongodb daemon.") | |
430 | (requirement '(user-processes loopback)) | |
431 | (start #~(make-forkexec-constructor | |
432 | `(,(string-append #$mongodb "/bin/mongod") | |
433 | "--config" | |
434 | ,#$config-file) | |
435 | #:user "mongodb" | |
436 | #:group "mongodb" | |
437 | #:pid-file "/var/run/mongodb/pid" | |
438 | #:log-file "/var/log/mongodb.log")) | |
439 | (stop #~(make-kill-destructor)))))) | |
440 | ||
441 | (define mongodb-service-type | |
442 | (service-type | |
443 | (name 'mongodb) | |
444 | (description "Run the MongoDB document database server.") | |
445 | (extensions | |
446 | (list (service-extension shepherd-root-service-type | |
447 | (compose list | |
448 | mongodb-shepherd-service)) | |
449 | (service-extension activation-service-type | |
450 | mongodb-activation) | |
451 | (service-extension account-service-type | |
452 | (const %mongodb-accounts)))) | |
453 | (default-value | |
454 | (mongodb-configuration)))) | |
455 | ||
456 | \f | |
6575183b SB |
457 | ;;; |
458 | ;;; MySQL. | |
459 | ;;; | |
460 | ||
461 | (define-record-type* <mysql-configuration> | |
462 | mysql-configuration make-mysql-configuration | |
463 | mysql-configuration? | |
4b41febf CB |
464 | (mysql mysql-configuration-mysql (default mariadb)) |
465 | (port mysql-configuration-port (default 3306))) | |
6575183b SB |
466 | |
467 | (define %mysql-accounts | |
468 | (list (user-group | |
469 | (name "mysql") | |
470 | (system? #t)) | |
471 | (user-account | |
472 | (name "mysql") | |
473 | (group "mysql") | |
474 | (system? #t) | |
475 | (home-directory "/var/empty") | |
9e41130b | 476 | (shell (file-append shadow "/sbin/nologin"))))) |
6575183b SB |
477 | |
478 | (define mysql-configuration-file | |
479 | (match-lambda | |
4b41febf CB |
480 | (($ <mysql-configuration> mysql port) |
481 | (mixed-text-file "my.cnf" "[mysqld] | |
6575183b SB |
482 | datadir=/var/lib/mysql |
483 | socket=/run/mysqld/mysqld.sock | |
4b41febf | 484 | port=" (number->string port) " |
6575183b SB |
485 | ")))) |
486 | ||
487 | (define (%mysql-activation config) | |
488 | "Return an activation gexp for the MySQL or MariaDB database server." | |
489 | (let ((mysql (mysql-configuration-mysql config)) | |
490 | (my.cnf (mysql-configuration-file config))) | |
491 | #~(begin | |
492 | (use-modules (ice-9 popen) | |
493 | (guix build utils)) | |
494 | (let* ((mysqld (string-append #$mysql "/bin/mysqld")) | |
495 | (user (getpwnam "mysql")) | |
496 | (uid (passwd:uid user)) | |
497 | (gid (passwd:gid user)) | |
498 | (datadir "/var/lib/mysql") | |
499 | (rundir "/run/mysqld")) | |
500 | (mkdir-p datadir) | |
501 | (chown datadir uid gid) | |
502 | (mkdir-p rundir) | |
503 | (chown rundir uid gid) | |
504 | ;; Initialize the database when it doesn't exist. | |
505 | (when (not (file-exists? (string-append datadir "/mysql"))) | |
506 | (if (string-prefix? "mysql-" (strip-store-file-name #$mysql)) | |
507 | ;; For MySQL. | |
508 | (system* mysqld | |
509 | (string-append "--defaults-file=" #$my.cnf) | |
510 | "--initialize" | |
511 | "--user=mysql") | |
512 | ;; For MariaDB. | |
513 | ;; XXX: The 'mysql_install_db' script doesn't work directly | |
514 | ;; due to missing 'mkdir' in PATH. | |
515 | (let ((p (open-pipe* OPEN_WRITE mysqld | |
516 | (string-append | |
517 | "--defaults-file=" #$my.cnf) | |
518 | "--bootstrap" | |
519 | "--user=mysql"))) | |
520 | ;; Create the system database, as does by 'mysql_install_db'. | |
521 | (display "create database mysql;\n" p) | |
522 | (display "use mysql;\n" p) | |
523 | (for-each | |
524 | (lambda (sql) | |
525 | (call-with-input-file | |
526 | (string-append #$mysql "/share/mysql/" sql) | |
527 | (lambda (in) (dump-port in p)))) | |
528 | '("mysql_system_tables.sql" | |
529 | "mysql_performance_tables.sql" | |
530 | "mysql_system_tables_data.sql" | |
531 | "fill_help_tables.sql")) | |
532 | ;; Remove the anonymous user and disable root access from | |
533 | ;; remote machines, as does by 'mysql_secure_installation'. | |
534 | (display " | |
535 | DELETE FROM user WHERE User=''; | |
536 | DELETE FROM user WHERE User='root' AND | |
537 | Host NOT IN ('localhost', '127.0.0.1', '::1'); | |
538 | FLUSH PRIVILEGES; | |
539 | " p) | |
540 | (close-pipe p)))))))) | |
541 | ||
542 | (define (mysql-shepherd-service config) | |
543 | (list (shepherd-service | |
544 | (provision '(mysql)) | |
545 | (documentation "Run the MySQL server.") | |
546 | (start (let ((mysql (mysql-configuration-mysql config)) | |
547 | (my.cnf (mysql-configuration-file config))) | |
548 | #~(make-forkexec-constructor | |
549 | (list (string-append #$mysql "/bin/mysqld") | |
550 | (string-append "--defaults-file=" #$my.cnf)) | |
551 | #:user "mysql" #:group "mysql"))) | |
552 | (stop #~(make-kill-destructor))))) | |
553 | ||
554 | (define mysql-service-type | |
555 | (service-type | |
556 | (name 'mysql) | |
557 | (extensions | |
558 | (list (service-extension account-service-type | |
559 | (const %mysql-accounts)) | |
560 | (service-extension activation-service-type | |
561 | %mysql-activation) | |
562 | (service-extension shepherd-root-service-type | |
e903738f CB |
563 | mysql-shepherd-service))) |
564 | (default-value (mysql-configuration)))) | |
6575183b SB |
565 | |
566 | (define* (mysql-service #:key (config (mysql-configuration))) | |
567 | "Return a service that runs @command{mysqld}, the MySQL or MariaDB | |
568 | database server. | |
569 | ||
570 | The optional @var{config} argument specifies the configuration for | |
571 | @command{mysqld}, which should be a @code{<mysql-configuration>} object." | |
572 | (service mysql-service-type config)) | |
67cadaca CB |
573 | |
574 | \f | |
575 | ;;; | |
576 | ;;; Redis | |
577 | ;;; | |
578 | ||
579 | (define-record-type* <redis-configuration> | |
580 | redis-configuration make-redis-configuration | |
581 | redis-configuration? | |
582 | (redis redis-configuration-redis ;<package> | |
583 | (default redis)) | |
584 | (bind redis-configuration-bind | |
585 | (default "127.0.0.1")) | |
586 | (port redis-configuration-port | |
587 | (default 6379)) | |
588 | (working-directory redis-configuration-working-directory | |
589 | (default "/var/lib/redis")) | |
590 | (config-file redis-configuration-config-file | |
591 | (default #f))) | |
592 | ||
593 | (define (default-redis.conf bind port working-directory) | |
594 | (mixed-text-file "redis.conf" | |
595 | "bind " bind "\n" | |
596 | "port " (number->string port) "\n" | |
597 | "dir " working-directory "\n" | |
598 | "daemonize no\n")) | |
599 | ||
600 | (define %redis-accounts | |
601 | (list (user-group (name "redis") (system? #t)) | |
602 | (user-account | |
603 | (name "redis") | |
604 | (group "redis") | |
605 | (system? #t) | |
606 | (comment "Redis server user") | |
607 | (home-directory "/var/empty") | |
608 | (shell (file-append shadow "/sbin/nologin"))))) | |
609 | ||
610 | (define redis-activation | |
611 | (match-lambda | |
612 | (($ <redis-configuration> redis bind port working-directory config-file) | |
613 | #~(begin | |
614 | (use-modules (guix build utils) | |
615 | (ice-9 match)) | |
616 | ||
617 | (let ((user (getpwnam "redis"))) | |
618 | (mkdir-p #$working-directory) | |
619 | (chown #$working-directory (passwd:uid user) (passwd:gid user))))))) | |
620 | ||
621 | (define redis-shepherd-service | |
622 | (match-lambda | |
623 | (($ <redis-configuration> redis bind port working-directory config-file) | |
624 | (let ((config-file | |
625 | (or config-file | |
626 | (default-redis.conf bind port working-directory)))) | |
627 | (list (shepherd-service | |
628 | (provision '(redis)) | |
629 | (documentation "Run the Redis daemon.") | |
630 | (requirement '(user-processes syslogd)) | |
631 | (start #~(make-forkexec-constructor | |
632 | '(#$(file-append redis "/bin/redis-server") | |
633 | #$config-file) | |
634 | #:user "redis" | |
635 | #:group "redis")) | |
636 | (stop #~(make-kill-destructor)))))))) | |
637 | ||
638 | (define redis-service-type | |
639 | (service-type (name 'redis) | |
640 | (extensions | |
641 | (list (service-extension shepherd-root-service-type | |
642 | redis-shepherd-service) | |
643 | (service-extension activation-service-type | |
644 | redis-activation) | |
645 | (service-extension account-service-type | |
bc037c1b CB |
646 | (const %redis-accounts)))) |
647 | (default-value (redis-configuration)))) |