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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> |
334a2f4d | 8 | ;;; Copyright © 2019 Robert Vollmert <rob@vllmrt.net> |
105369a4 DT |
9 | ;;; |
10 | ;;; This file is part of GNU Guix. | |
11 | ;;; | |
12 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
13 | ;;; under the terms of the GNU General Public License as published by | |
14 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
15 | ;;; your option) any later version. | |
16 | ;;; | |
17 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
18 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;;; GNU General Public License for more details. | |
21 | ;;; | |
22 | ;;; You should have received a copy of the GNU General Public License | |
23 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
24 | ||
25 | (define-module (gnu services databases) | |
26 | #:use-module (gnu services) | |
0190c1c0 | 27 | #:use-module (gnu services shepherd) |
105369a4 DT |
28 | #:use-module (gnu system shadow) |
29 | #:use-module (gnu packages admin) | |
30 | #:use-module (gnu packages databases) | |
0d57a50a JL |
31 | #:use-module (guix build-system trivial) |
32 | #:use-module (guix build union) | |
119fdd0d | 33 | #:use-module (guix modules) |
0d57a50a | 34 | #:use-module (guix packages) |
105369a4 | 35 | #:use-module (guix records) |
105369a4 | 36 | #:use-module (guix gexp) |
936e7a52 | 37 | #:use-module (srfi srfi-1) |
0adfe95a | 38 | #:use-module (ice-9 match) |
936e7a52 CB |
39 | #:export (<postgresql-config-file> |
40 | postgresql-config-file | |
41 | postgresql-config-file? | |
42 | postgresql-config-file-log-destination | |
43 | postgresql-config-file-hba-file | |
44 | postgresql-config-file-ident-file | |
45 | postgresql-config-file-extra-config | |
46 | ||
488ea71e CB |
47 | <postgresql-configuration> |
48 | postgresql-configuration | |
24e96431 | 49 | postgresql-configuration? |
488ea71e CB |
50 | postgresql-configuration-postgresql |
51 | postgresql-configuration-port | |
52 | postgresql-configuration-locale | |
53 | postgresql-configuration-file | |
54 | postgresql-configuration-data-directory | |
55 | ||
24e96431 TČ |
56 | postgresql-service |
57 | postgresql-service-type | |
58 | ||
119fdd0d CB |
59 | memcached-service-type |
60 | <memcached-configuration> | |
61 | memcached-configuration | |
62 | memcached-configuration? | |
63 | memcached-configuration-memecached | |
64 | memcached-configuration-interfaces | |
65 | memcached-configuration-tcp-port | |
66 | memcached-configuration-udp-port | |
67 | memcached-configuration-additional-options | |
68 | ||
5266ff71 CB |
69 | <mongodb-configuration> |
70 | mongodb-configuration | |
71 | mongodb-configuration? | |
72 | mongodb-configuration-mongodb | |
73 | mongodb-configuration-config-file | |
74 | mongodb-configuration-data-directory | |
75 | mongodb-service-type | |
76 | ||
6575183b | 77 | mysql-service |
24e96431 TČ |
78 | mysql-service-type |
79 | mysql-configuration | |
67cadaca CB |
80 | mysql-configuration? |
81 | ||
82 | redis-configuration | |
83 | redis-configuration? | |
84 | redis-service-type)) | |
105369a4 DT |
85 | |
86 | ;;; Commentary: | |
87 | ;;; | |
88 | ;;; Database services. | |
89 | ;;; | |
90 | ;;; Code: | |
91 | ||
936e7a52 CB |
92 | (define %default-postgres-hba |
93 | (plain-file "pg_hba.conf" | |
94 | " | |
334a2f4d RV |
95 | local all all peer |
96 | host all all 127.0.0.1/32 md5 | |
97 | host all all ::1/128 md5")) | |
936e7a52 CB |
98 | |
99 | (define %default-postgres-ident | |
100 | (plain-file "pg_ident.conf" | |
101 | "# MAPNAME SYSTEM-USERNAME PG-USERNAME")) | |
102 | ||
103 | (define-record-type* <postgresql-config-file> | |
104 | postgresql-config-file make-postgresql-config-file | |
105 | postgresql-config-file? | |
106 | (log-destination postgresql-config-file-log-destination | |
107 | (default "syslog")) | |
108 | (hba-file postgresql-config-file-hba-file | |
109 | (default %default-postgres-hba)) | |
110 | (ident-file postgresql-config-file-ident-file | |
111 | (default %default-postgres-ident)) | |
112 | (extra-config postgresql-config-file-extra-config | |
113 | (default '()))) | |
114 | ||
115 | (define-gexp-compiler (postgresql-config-file-compiler | |
116 | (file <postgresql-config-file>) system target) | |
117 | (match file | |
118 | (($ <postgresql-config-file> log-destination hba-file | |
119 | ident-file extra-config) | |
53380838 | 120 | (define (single-quote string) |
936e7a52 CB |
121 | (if string |
122 | (list "'" string "'") | |
123 | '())) | |
124 | ||
125 | (define contents | |
126 | (append-map | |
127 | (match-lambda | |
128 | ((key) '()) | |
129 | ((key . #f) '()) | |
130 | ((key values ...) `(,key " = " ,@values "\n"))) | |
131 | ||
53380838 CB |
132 | `(("log_destination" ,@(single-quote log-destination)) |
133 | ("hba_file" ,@(single-quote hba-file)) | |
134 | ("ident_file" ,@(single-quote ident-file)) | |
936e7a52 CB |
135 | ,@extra-config))) |
136 | ||
137 | (gexp->derivation | |
138 | "postgresql.conf" | |
139 | #~(call-with-output-file (ungexp output "out") | |
140 | (lambda (port) | |
141 | (display | |
142 | (string-append #$@contents) | |
143 | port))) | |
144 | #:local-build? #t)))) | |
145 | ||
0adfe95a LC |
146 | (define-record-type* <postgresql-configuration> |
147 | postgresql-configuration make-postgresql-configuration | |
148 | postgresql-configuration? | |
0d57a50a JL |
149 | (postgresql postgresql-configuration-postgresql ;<package> |
150 | (default postgresql)) | |
151 | (port postgresql-configuration-port | |
152 | (default 5432)) | |
153 | (locale postgresql-configuration-locale | |
154 | (default "en_US.utf8")) | |
155 | (config-file postgresql-configuration-file | |
156 | (default (postgresql-config-file))) | |
157 | (data-directory postgresql-configuration-data-directory | |
158 | (default "/var/lib/postgresql/data")) | |
159 | (extension-packages postgresql-configuration-extension-packages | |
160 | (default '()))) | |
0adfe95a | 161 | |
0adfe95a LC |
162 | (define %postgresql-accounts |
163 | (list (user-group (name "postgres") (system? #t)) | |
164 | (user-account | |
165 | (name "postgres") | |
166 | (group "postgres") | |
167 | (system? #t) | |
168 | (comment "PostgreSQL server user") | |
169 | (home-directory "/var/empty") | |
9e41130b | 170 | (shell (file-append shadow "/sbin/nologin"))))) |
0adfe95a | 171 | |
0d57a50a JL |
172 | (define (final-postgresql postgresql extension-packages) |
173 | (if (null? extension-packages) | |
174 | postgresql | |
175 | (package | |
176 | (inherit postgresql) | |
177 | (source #f) | |
178 | (build-system trivial-build-system) | |
179 | (arguments | |
180 | `(#:modules ((guix build utils) (guix build union)) | |
181 | #:builder | |
182 | (begin | |
183 | (use-modules (guix build utils) (guix build union) (srfi srfi-26)) | |
184 | (union-build (assoc-ref %outputs "out") (map (lambda (input) (cdr input)) %build-inputs)) | |
185 | #t))) | |
186 | (inputs | |
187 | `(("postgresql" ,postgresql) | |
188 | ,@(map (lambda (extension) (list "extension" extension)) | |
189 | extension-packages)))))) | |
190 | ||
0adfe95a LC |
191 | (define postgresql-activation |
192 | (match-lambda | |
0d57a50a JL |
193 | (($ <postgresql-configuration> postgresql port locale config-file data-directory |
194 | extension-packages) | |
0adfe95a LC |
195 | #~(begin |
196 | (use-modules (guix build utils) | |
197 | (ice-9 match)) | |
198 | ||
199 | (let ((user (getpwnam "postgres")) | |
0d57a50a JL |
200 | (initdb (string-append #$(final-postgresql postgresql extension-packages) |
201 | "/bin/initdb")) | |
e05b780a CB |
202 | (initdb-args |
203 | (append | |
204 | (if #$locale | |
205 | (list (string-append "--locale=" #$locale)) | |
206 | '())))) | |
0adfe95a LC |
207 | ;; Create db state directory. |
208 | (mkdir-p #$data-directory) | |
209 | (chown #$data-directory (passwd:uid user) (passwd:gid user)) | |
210 | ||
211 | ;; Drop privileges and init state directory in a new | |
212 | ;; process. Wait for it to finish before proceeding. | |
213 | (match (primitive-fork) | |
214 | (0 | |
215 | ;; Exit with a non-zero status code if an exception is thrown. | |
216 | (dynamic-wind | |
217 | (const #t) | |
218 | (lambda () | |
219 | (setgid (passwd:gid user)) | |
220 | (setuid (passwd:uid user)) | |
e05b780a CB |
221 | (primitive-exit |
222 | (apply system* | |
223 | initdb | |
224 | "-D" | |
225 | #$data-directory | |
226 | initdb-args))) | |
0adfe95a LC |
227 | (lambda () |
228 | (primitive-exit 1)))) | |
229 | (pid (waitpid pid)))))))) | |
230 | ||
d4053c71 | 231 | (define postgresql-shepherd-service |
0adfe95a | 232 | (match-lambda |
0d57a50a JL |
233 | (($ <postgresql-configuration> postgresql port locale config-file data-directory |
234 | extension-packages) | |
5ee4cd69 CL |
235 | (let* ((pg_ctl-wrapper |
236 | ;; Wrapper script that switches to the 'postgres' user before | |
237 | ;; launching daemon. | |
238 | (program-file | |
239 | "pg_ctl-wrapper" | |
240 | #~(begin | |
241 | (use-modules (ice-9 match) | |
242 | (ice-9 format)) | |
243 | (match (command-line) | |
244 | ((_ mode) | |
245 | (let ((user (getpwnam "postgres")) | |
0d57a50a JL |
246 | (pg_ctl #$(file-append (final-postgresql postgresql extension-packages) |
247 | "/bin/pg_ctl")) | |
5ee4cd69 CL |
248 | (options (format #f "--config-file=~a -p ~d" |
249 | #$config-file #$port))) | |
250 | (setgid (passwd:gid user)) | |
251 | (setuid (passwd:uid user)) | |
252 | (execl pg_ctl pg_ctl "-D" #$data-directory "-o" options | |
253 | mode))))))) | |
ef2dda8e | 254 | (pid-file (in-vicinity data-directory "postmaster.pid")) |
5ee4cd69 CL |
255 | (action (lambda args |
256 | #~(lambda _ | |
ef2dda8e CL |
257 | (invoke #$pg_ctl-wrapper #$@args) |
258 | (match '#$args | |
259 | (("start") | |
260 | (call-with-input-file #$pid-file read)) | |
261 | (_ #t)))))) | |
d4053c71 | 262 | (list (shepherd-service |
0adfe95a LC |
263 | (provision '(postgres)) |
264 | (documentation "Run the PostgreSQL daemon.") | |
9b1cee97 | 265 | (requirement '(user-processes loopback syslogd)) |
ef2dda8e CL |
266 | (modules `((ice-9 match) |
267 | ,@%default-modules)) | |
5ee4cd69 CL |
268 | (start (action "start")) |
269 | (stop (action "stop")))))))) | |
0adfe95a LC |
270 | |
271 | (define postgresql-service-type | |
272 | (service-type (name 'postgresql) | |
273 | (extensions | |
d4053c71 AK |
274 | (list (service-extension shepherd-root-service-type |
275 | postgresql-shepherd-service) | |
0adfe95a LC |
276 | (service-extension activation-service-type |
277 | postgresql-activation) | |
278 | (service-extension account-service-type | |
1e6b9c6e CB |
279 | (const %postgresql-accounts)))) |
280 | (default-value (postgresql-configuration)))) | |
0adfe95a | 281 | |
105369a4 | 282 | (define* (postgresql-service #:key (postgresql postgresql) |
2d3d5cc5 | 283 | (port 5432) |
e05b780a | 284 | (locale "en_US.utf8") |
936e7a52 | 285 | (config-file (postgresql-config-file)) |
0d57a50a JL |
286 | (data-directory "/var/lib/postgresql/data") |
287 | (extension-packages '())) | |
105369a4 DT |
288 | "Return a service that runs @var{postgresql}, the PostgreSQL database server. |
289 | ||
290 | The PostgreSQL daemon loads its runtime configuration from @var{config-file} | |
291 | and stores the database cluster in @var{data-directory}." | |
0adfe95a LC |
292 | (service postgresql-service-type |
293 | (postgresql-configuration | |
294 | (postgresql postgresql) | |
2d3d5cc5 | 295 | (port port) |
e05b780a | 296 | (locale locale) |
0adfe95a | 297 | (config-file config-file) |
0d57a50a JL |
298 | (data-directory data-directory) |
299 | (extension-packages extension-packages)))) | |
6575183b SB |
300 | |
301 | \f | |
119fdd0d CB |
302 | ;;; |
303 | ;;; Memcached | |
304 | ;;; | |
305 | ||
306 | (define-record-type* <memcached-configuration> | |
307 | memcached-configuration make-memcached-configuration | |
308 | memcached-configuration? | |
309 | (memcached memcached-configuration-memcached ;<package> | |
310 | (default memcached)) | |
311 | (interfaces memcached-configuration-interfaces | |
312 | (default '("0.0.0.0"))) | |
313 | (tcp-port memcached-configuration-tcp-port | |
314 | (default 11211)) | |
315 | (udp-port memcached-configuration-udp-port | |
316 | (default 11211)) | |
317 | (additional-options memcached-configuration-additional-options | |
318 | (default '()))) | |
319 | ||
320 | (define %memcached-accounts | |
321 | (list (user-group (name "memcached") (system? #t)) | |
322 | (user-account | |
323 | (name "memcached") | |
324 | (group "memcached") | |
325 | (system? #t) | |
326 | (comment "Memcached server user") | |
327 | (home-directory "/var/empty") | |
328 | (shell (file-append shadow "/sbin/nologin"))))) | |
329 | ||
6230e155 CB |
330 | (define memcached-activation |
331 | #~(begin | |
332 | (use-modules (guix build utils)) | |
333 | (let ((user (getpwnam "memcached"))) | |
334 | (mkdir-p "/var/run/memcached") | |
335 | (chown "/var/run/memcached" | |
336 | (passwd:uid user) (passwd:gid user))))) | |
337 | ||
119fdd0d CB |
338 | (define memcached-shepherd-service |
339 | (match-lambda | |
340 | (($ <memcached-configuration> memcached interfaces tcp-port udp-port | |
341 | additional-options) | |
342 | (with-imported-modules (source-module-closure | |
343 | '((gnu build shepherd))) | |
344 | (list (shepherd-service | |
345 | (provision '(memcached)) | |
346 | (documentation "Run the Memcached daemon.") | |
347 | (requirement '(user-processes loopback)) | |
348 | (modules '((gnu build shepherd))) | |
349 | (start #~(make-forkexec-constructor | |
350 | `(#$(file-append memcached "/bin/memcached") | |
351 | "-l" #$(string-join interfaces ",") | |
352 | "-p" #$(number->string tcp-port) | |
353 | "-U" #$(number->string udp-port) | |
354 | "--daemon" | |
6230e155 CB |
355 | ;; Memcached changes to the memcached user prior to |
356 | ;; writing the pid file, so write it to a directory | |
357 | ;; that memcached owns. | |
358 | "-P" "/var/run/memcached/pid" | |
119fdd0d CB |
359 | "-u" "memcached" |
360 | ,#$@additional-options) | |
361 | #:log-file "/var/log/memcached" | |
6230e155 | 362 | #:pid-file "/var/run/memcached/pid")) |
119fdd0d CB |
363 | (stop #~(make-kill-destructor)))))))) |
364 | ||
365 | (define memcached-service-type | |
366 | (service-type (name 'memcached) | |
367 | (extensions | |
368 | (list (service-extension shepherd-root-service-type | |
369 | memcached-shepherd-service) | |
6230e155 CB |
370 | (service-extension activation-service-type |
371 | (const memcached-activation)) | |
119fdd0d CB |
372 | (service-extension account-service-type |
373 | (const %memcached-accounts)))) | |
374 | (default-value (memcached-configuration)))) | |
375 | ||
376 | \f | |
5266ff71 CB |
377 | ;;; |
378 | ;;; MongoDB | |
379 | ;;; | |
380 | ||
381 | (define %default-mongodb-configuration-file | |
382 | (plain-file | |
383 | "mongodb.yaml" | |
384 | "# GNU Guix: MongoDB default configuration file | |
385 | processManagement: | |
386 | pidFilePath: /var/run/mongodb/pid | |
387 | storage: | |
388 | dbPath: /var/lib/mongodb | |
389 | ")) | |
390 | ||
391 | ||
392 | (define-record-type* <mongodb-configuration> | |
393 | mongodb-configuration make-mongodb-configuration | |
394 | mongodb-configuration? | |
395 | (mongodb mongodb-configuration-mongodb | |
396 | (default mongodb)) | |
397 | (config-file mongodb-configuration-config-file | |
398 | (default %default-mongodb-configuration-file)) | |
399 | (data-directory mongodb-configuration-data-directory | |
400 | (default "/var/lib/mongodb"))) | |
401 | ||
402 | (define %mongodb-accounts | |
403 | (list (user-group (name "mongodb") (system? #t)) | |
404 | (user-account | |
405 | (name "mongodb") | |
406 | (group "mongodb") | |
407 | (system? #t) | |
408 | (comment "Mongodb server user") | |
409 | (home-directory "/var/lib/mongodb") | |
410 | (shell (file-append shadow "/sbin/nologin"))))) | |
411 | ||
412 | (define mongodb-activation | |
413 | (match-lambda | |
414 | (($ <mongodb-configuration> mongodb config-file data-directory) | |
415 | #~(begin | |
416 | (use-modules (guix build utils)) | |
417 | (let ((user (getpwnam "mongodb"))) | |
418 | (for-each | |
419 | (lambda (directory) | |
420 | (mkdir-p directory) | |
421 | (chown directory | |
422 | (passwd:uid user) (passwd:gid user))) | |
423 | '("/var/run/mongodb" #$data-directory))))))) | |
424 | ||
425 | (define mongodb-shepherd-service | |
426 | (match-lambda | |
427 | (($ <mongodb-configuration> mongodb config-file data-directory) | |
428 | (shepherd-service | |
429 | (provision '(mongodb)) | |
430 | (documentation "Run the Mongodb daemon.") | |
431 | (requirement '(user-processes loopback)) | |
432 | (start #~(make-forkexec-constructor | |
433 | `(,(string-append #$mongodb "/bin/mongod") | |
434 | "--config" | |
435 | ,#$config-file) | |
436 | #:user "mongodb" | |
437 | #:group "mongodb" | |
438 | #:pid-file "/var/run/mongodb/pid" | |
439 | #:log-file "/var/log/mongodb.log")) | |
440 | (stop #~(make-kill-destructor)))))) | |
441 | ||
442 | (define mongodb-service-type | |
443 | (service-type | |
444 | (name 'mongodb) | |
445 | (description "Run the MongoDB document database server.") | |
446 | (extensions | |
447 | (list (service-extension shepherd-root-service-type | |
448 | (compose list | |
449 | mongodb-shepherd-service)) | |
450 | (service-extension activation-service-type | |
451 | mongodb-activation) | |
452 | (service-extension account-service-type | |
453 | (const %mongodb-accounts)))) | |
454 | (default-value | |
455 | (mongodb-configuration)))) | |
456 | ||
457 | \f | |
6575183b SB |
458 | ;;; |
459 | ;;; MySQL. | |
460 | ;;; | |
461 | ||
462 | (define-record-type* <mysql-configuration> | |
463 | mysql-configuration make-mysql-configuration | |
464 | mysql-configuration? | |
4b41febf | 465 | (mysql mysql-configuration-mysql (default mariadb)) |
33ed8296 AS |
466 | (port mysql-configuration-port (default 3306)) |
467 | (extra-content mysql-configuration-extra-content (default ""))) | |
6575183b SB |
468 | |
469 | (define %mysql-accounts | |
470 | (list (user-group | |
471 | (name "mysql") | |
472 | (system? #t)) | |
473 | (user-account | |
474 | (name "mysql") | |
475 | (group "mysql") | |
476 | (system? #t) | |
477 | (home-directory "/var/empty") | |
9e41130b | 478 | (shell (file-append shadow "/sbin/nologin"))))) |
6575183b SB |
479 | |
480 | (define mysql-configuration-file | |
481 | (match-lambda | |
33ed8296 | 482 | (($ <mysql-configuration> mysql port extra-content) |
4b41febf | 483 | (mixed-text-file "my.cnf" "[mysqld] |
6575183b SB |
484 | datadir=/var/lib/mysql |
485 | socket=/run/mysqld/mysqld.sock | |
4b41febf | 486 | port=" (number->string port) " |
33ed8296 | 487 | " extra-content " |
6575183b SB |
488 | ")))) |
489 | ||
490 | (define (%mysql-activation config) | |
491 | "Return an activation gexp for the MySQL or MariaDB database server." | |
492 | (let ((mysql (mysql-configuration-mysql config)) | |
493 | (my.cnf (mysql-configuration-file config))) | |
494 | #~(begin | |
495 | (use-modules (ice-9 popen) | |
496 | (guix build utils)) | |
497 | (let* ((mysqld (string-append #$mysql "/bin/mysqld")) | |
498 | (user (getpwnam "mysql")) | |
499 | (uid (passwd:uid user)) | |
500 | (gid (passwd:gid user)) | |
501 | (datadir "/var/lib/mysql") | |
502 | (rundir "/run/mysqld")) | |
503 | (mkdir-p datadir) | |
504 | (chown datadir uid gid) | |
505 | (mkdir-p rundir) | |
506 | (chown rundir uid gid) | |
507 | ;; Initialize the database when it doesn't exist. | |
508 | (when (not (file-exists? (string-append datadir "/mysql"))) | |
509 | (if (string-prefix? "mysql-" (strip-store-file-name #$mysql)) | |
510 | ;; For MySQL. | |
511 | (system* mysqld | |
512 | (string-append "--defaults-file=" #$my.cnf) | |
513 | "--initialize" | |
514 | "--user=mysql") | |
515 | ;; For MariaDB. | |
516 | ;; XXX: The 'mysql_install_db' script doesn't work directly | |
517 | ;; due to missing 'mkdir' in PATH. | |
518 | (let ((p (open-pipe* OPEN_WRITE mysqld | |
519 | (string-append | |
520 | "--defaults-file=" #$my.cnf) | |
521 | "--bootstrap" | |
522 | "--user=mysql"))) | |
523 | ;; Create the system database, as does by 'mysql_install_db'. | |
524 | (display "create database mysql;\n" p) | |
525 | (display "use mysql;\n" p) | |
526 | (for-each | |
527 | (lambda (sql) | |
528 | (call-with-input-file | |
5c3d77c3 | 529 | (string-append #$mysql:lib "/share/mysql/" sql) |
6575183b SB |
530 | (lambda (in) (dump-port in p)))) |
531 | '("mysql_system_tables.sql" | |
532 | "mysql_performance_tables.sql" | |
533 | "mysql_system_tables_data.sql" | |
534 | "fill_help_tables.sql")) | |
535 | ;; Remove the anonymous user and disable root access from | |
536 | ;; remote machines, as does by 'mysql_secure_installation'. | |
537 | (display " | |
538 | DELETE FROM user WHERE User=''; | |
539 | DELETE FROM user WHERE User='root' AND | |
540 | Host NOT IN ('localhost', '127.0.0.1', '::1'); | |
541 | FLUSH PRIVILEGES; | |
542 | " p) | |
543 | (close-pipe p)))))))) | |
544 | ||
545 | (define (mysql-shepherd-service config) | |
546 | (list (shepherd-service | |
547 | (provision '(mysql)) | |
548 | (documentation "Run the MySQL server.") | |
549 | (start (let ((mysql (mysql-configuration-mysql config)) | |
550 | (my.cnf (mysql-configuration-file config))) | |
551 | #~(make-forkexec-constructor | |
552 | (list (string-append #$mysql "/bin/mysqld") | |
553 | (string-append "--defaults-file=" #$my.cnf)) | |
554 | #:user "mysql" #:group "mysql"))) | |
555 | (stop #~(make-kill-destructor))))) | |
556 | ||
557 | (define mysql-service-type | |
558 | (service-type | |
559 | (name 'mysql) | |
560 | (extensions | |
561 | (list (service-extension account-service-type | |
562 | (const %mysql-accounts)) | |
563 | (service-extension activation-service-type | |
564 | %mysql-activation) | |
565 | (service-extension shepherd-root-service-type | |
e903738f CB |
566 | mysql-shepherd-service))) |
567 | (default-value (mysql-configuration)))) | |
6575183b SB |
568 | |
569 | (define* (mysql-service #:key (config (mysql-configuration))) | |
570 | "Return a service that runs @command{mysqld}, the MySQL or MariaDB | |
571 | database server. | |
572 | ||
573 | The optional @var{config} argument specifies the configuration for | |
574 | @command{mysqld}, which should be a @code{<mysql-configuration>} object." | |
575 | (service mysql-service-type config)) | |
67cadaca CB |
576 | |
577 | \f | |
578 | ;;; | |
579 | ;;; Redis | |
580 | ;;; | |
581 | ||
582 | (define-record-type* <redis-configuration> | |
583 | redis-configuration make-redis-configuration | |
584 | redis-configuration? | |
585 | (redis redis-configuration-redis ;<package> | |
586 | (default redis)) | |
587 | (bind redis-configuration-bind | |
588 | (default "127.0.0.1")) | |
589 | (port redis-configuration-port | |
590 | (default 6379)) | |
591 | (working-directory redis-configuration-working-directory | |
592 | (default "/var/lib/redis")) | |
593 | (config-file redis-configuration-config-file | |
594 | (default #f))) | |
595 | ||
596 | (define (default-redis.conf bind port working-directory) | |
597 | (mixed-text-file "redis.conf" | |
598 | "bind " bind "\n" | |
599 | "port " (number->string port) "\n" | |
600 | "dir " working-directory "\n" | |
601 | "daemonize no\n")) | |
602 | ||
603 | (define %redis-accounts | |
604 | (list (user-group (name "redis") (system? #t)) | |
605 | (user-account | |
606 | (name "redis") | |
607 | (group "redis") | |
608 | (system? #t) | |
609 | (comment "Redis server user") | |
610 | (home-directory "/var/empty") | |
611 | (shell (file-append shadow "/sbin/nologin"))))) | |
612 | ||
613 | (define redis-activation | |
614 | (match-lambda | |
615 | (($ <redis-configuration> redis bind port working-directory config-file) | |
616 | #~(begin | |
617 | (use-modules (guix build utils) | |
618 | (ice-9 match)) | |
619 | ||
620 | (let ((user (getpwnam "redis"))) | |
621 | (mkdir-p #$working-directory) | |
622 | (chown #$working-directory (passwd:uid user) (passwd:gid user))))))) | |
623 | ||
624 | (define redis-shepherd-service | |
625 | (match-lambda | |
626 | (($ <redis-configuration> redis bind port working-directory config-file) | |
627 | (let ((config-file | |
628 | (or config-file | |
629 | (default-redis.conf bind port working-directory)))) | |
630 | (list (shepherd-service | |
631 | (provision '(redis)) | |
632 | (documentation "Run the Redis daemon.") | |
633 | (requirement '(user-processes syslogd)) | |
634 | (start #~(make-forkexec-constructor | |
635 | '(#$(file-append redis "/bin/redis-server") | |
636 | #$config-file) | |
637 | #:user "redis" | |
638 | #:group "redis")) | |
639 | (stop #~(make-kill-destructor)))))))) | |
640 | ||
641 | (define redis-service-type | |
642 | (service-type (name 'redis) | |
643 | (extensions | |
644 | (list (service-extension shepherd-root-service-type | |
645 | redis-shepherd-service) | |
646 | (service-extension activation-service-type | |
647 | redis-activation) | |
648 | (service-extension account-service-type | |
bc037c1b CB |
649 | (const %redis-accounts)))) |
650 | (default-value (redis-configuration)))) |