143 lines
5.0 KiB
Scheme
143 lines
5.0 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2016 Sou Bunnbu <iyzsong@gmail.com>
|
||
;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
|
||
;;;
|
||
;;; 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 dict)
|
||
#:use-module (guix gexp)
|
||
#:use-module (guix records)
|
||
#:use-module (gnu services)
|
||
#:use-module (gnu services shepherd)
|
||
#:use-module (gnu system shadow)
|
||
#:use-module ((gnu packages admin) #:select (shadow))
|
||
#:use-module (gnu packages dico)
|
||
#:use-module (gnu packages dictionaries)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (ice-9 match)
|
||
#:export (dicod-service
|
||
dicod-service-type
|
||
dicod-configuration
|
||
dicod-database
|
||
%dicod-database:gcide))
|
||
|
||
|
||
;;;
|
||
;;; GNU Dico.
|
||
;;;
|
||
|
||
(define-record-type* <dicod-configuration>
|
||
dicod-configuration make-dicod-configuration
|
||
dicod-configuration?
|
||
(dico dicod-configuration-dico (default dico))
|
||
(interfaces dicod-configuration-interfaces ;list of strings
|
||
(default '("localhost")))
|
||
(databases dicod-configuration-databases
|
||
;; list of <dicod-database>
|
||
(default (list %dicod-database:gcide))))
|
||
|
||
(define-record-type* <dicod-database>
|
||
dicod-database make-dicod-database
|
||
dicod-database?
|
||
(name dicod-database-name)
|
||
(module dicod-database-module)
|
||
(options dicod-database-options (default '())))
|
||
|
||
(define %dicod-database:gcide
|
||
(dicod-database
|
||
(name "gcide")
|
||
(module "gcide")
|
||
(options (list #~(string-append "dbdir=" #$gcide "/share/gcide")
|
||
"idxdir=/var/run/dicod"))))
|
||
|
||
(define %dicod-accounts
|
||
(list (user-group
|
||
(name "dicod")
|
||
(system? #t))
|
||
(user-account
|
||
(name "dicod")
|
||
(group "dicod")
|
||
(system? #t)
|
||
(home-directory "/var/empty")
|
||
(shell (file-append shadow "/sbin/nologin")))))
|
||
|
||
(define (dicod-configuration-file config)
|
||
(define database->text
|
||
(match-lambda
|
||
(($ <dicod-database> name module options)
|
||
`("
|
||
load-module " ,module ";
|
||
database {
|
||
name \"" ,name "\";
|
||
handler \"" ,module
|
||
(string-join (list ,@options) " " 'prefix) "\";
|
||
}\n"))))
|
||
|
||
(define configuration->text
|
||
(match-lambda
|
||
(($ <dicod-configuration> dico (interfaces ...) databases)
|
||
(append `("listen ("
|
||
,(string-join interfaces ", ") ");\n")
|
||
(append-map database->text databases)))))
|
||
|
||
(apply mixed-text-file "dicod.conf" (configuration->text config)))
|
||
|
||
(define %dicod-activation
|
||
#~(begin
|
||
(use-modules (guix build utils))
|
||
(let ((user (getpwnam "dicod"))
|
||
(rundir "/var/run/dicod"))
|
||
(mkdir-p rundir)
|
||
(chown rundir (passwd:uid user) (passwd:gid user)))))
|
||
|
||
(define (dicod-shepherd-service config)
|
||
(let ((dicod (file-append (dicod-configuration-dico config)
|
||
"/bin/dicod"))
|
||
(dicod.conf (dicod-configuration-file config)))
|
||
(list (shepherd-service
|
||
(provision '(dicod))
|
||
(documentation "Run the dicod daemon.")
|
||
(start #~(make-forkexec-constructor
|
||
(list #$dicod "--foreground"
|
||
(string-append "--config=" #$dicod.conf))
|
||
#:user "dicod" #:group "dicod"))
|
||
(stop #~(make-kill-destructor))))))
|
||
|
||
(define dicod-service-type
|
||
(service-type
|
||
(name 'dict)
|
||
(extensions
|
||
(list (service-extension account-service-type
|
||
(const %dicod-accounts))
|
||
(service-extension activation-service-type
|
||
(const %dicod-activation))
|
||
(service-extension shepherd-root-service-type
|
||
dicod-shepherd-service)))))
|
||
|
||
(define* (dicod-service #:key (config (dicod-configuration)))
|
||
"Return a service that runs the @command{dicod} daemon, an implementation
|
||
of DICT server (@pxref{Dicod,,, dico, GNU Dico Manual}).
|
||
|
||
The optional @var{config} argument specifies the configuration for
|
||
@command{dicod}, which should be a @code{<dicod-configuration>} object, by
|
||
default it serves the GNU Collaborative International Dictonary of English.
|
||
|
||
You can add @command{open localhost} to your @file{~/.dico} file to make
|
||
@code{localhost} the default server for @command{dico}
|
||
client (@pxref{Initialization File,,, dico, GNU Dico Manual})."
|
||
(service dicod-service-type config))
|