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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 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 memcached)
#:use-module (gnu packages admin)
#:use-module (gnu packages memcached)
#:use-module (gnu services shepherd)
#:use-module (gnu services)
#:use-module (gnu system shadow)
#:use-module (guix gexp)
#:use-module (guix records)
#:use-module (guix modules)
#:use-module (ice-9 match)
#:export (memcached-service-type
<memcached-configuration>
memcached-configuration
memcached-configuration?
memcached-configuration-memecached
memcached-configuration-interfaces
memcached-configuration-tcp-port
memcached-configuration-udp-port))
;;;
;;; Memcached
;;;
(define-record-type* <memcached-configuration>
memcached-configuration make-memcached-configuration
memcached-configuration?
(memcached memcached-configuration-memcached ;<package>
(default memcached))
(interfaces memcached-configuration-interfaces
(default '("127.0.0.1")))
(tcp-port memcached-configuration-tcp-port
(default 11211))
(udp-port memcached-configuration-udp-port
(default 11211))
(additional-options memcached-configuration-additional-options
(default '())))
(define %memcached-accounts
(list (user-group (name "memcached") (system? #t))
(user-account
(name "memcached")
(group "memcached")
(system? #t)
(comment "Memcached server user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define memcached-shepherd-service
(match-lambda
(($ <memcached-configuration> memcached interfaces tcp-port udp-port
additional-options)
(with-imported-modules (source-module-closure
'((gnu build shepherd)))
(list (shepherd-service
(provision '(memcached))
(documentation "Run the Memcached daemon.")
(requirement '(user-processes loopback))
(modules '((gnu build shepherd)))
(start #~(make-forkexec-constructor
`(#$(file-append memcached "/bin/memcached")
"-l" #$(string-join interfaces ",")
"-p" #$(number->string tcp-port)
"-U" #$(number->string udp-port)
"-u" "memcached"
,#$@additional-options)
#:log-file "/var/log/memcached"))
(stop #~(make-kill-destructor))))))))
(define memcached-service-type
(service-type (name 'memcached)
(extensions
(list (service-extension shepherd-root-service-type
memcached-shepherd-service)
(service-extension account-service-type
(const %memcached-accounts))))))
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