dd2a83270b
* gnu/services/guix.scm: New file. * gnu/tests/guix.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add both new files. * doc/guix.texi (Guix Services): New section documenting the Guix Data Service.
212 lines
8 KiB
Scheme
212 lines
8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation, either version 3 of the License, or
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;;; (at your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services guix)
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#:use-module (ice-9 match)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:use-module ((gnu packages base)
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#:select (glibc-utf8-locales))
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#:use-module (gnu packages admin)
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#:use-module (gnu packages web)
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#:use-module (gnu services)
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#:use-module (gnu services base)
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#:use-module (gnu services admin)
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#:use-module (gnu services shepherd)
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#:use-module (gnu services getmail)
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#:use-module (gnu system shadow)
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#:export (<guix-data-service-configuration>
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guix-data-service-configuration
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guix-data-service-configuration?
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guix-data-service-package
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guix-data-service-user
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guix-data-service-group
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guix-data-service-port
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guix-data-service-host
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guix-data-service-getmail-idle-mailboxes
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guix-data-service-commits-getmail-retriever-configuration
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guix-data-service-type))
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;;;; Commentary:
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;;;
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;;; This module implements a service that to run instances of the Guix Data
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;;; Service, which provides data about Guix over time.
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;;;
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;;;; Code:
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(define-record-type* <guix-data-service-configuration>
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guix-data-service-configuration make-guix-data-service-configuration
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guix-data-service-configuration?
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(package guix-data-service-package
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(default guix-data-service))
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(user guix-data-service-configuration-user
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(default "guix-data-service"))
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(group guix-data-service-configuration-group
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(default "guix-data-service"))
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(port guix-data-service-port
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(default 8765))
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(host guix-data-service-host
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(default "127.0.0.1"))
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(getmail-idle-mailboxes
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guix-data-service-getmail-idle-mailboxes
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(default #f))
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(commits-getmail-retriever-configuration
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guix-data-service-commits-getmail-retriever-configuration
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(default #f)))
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(define (guix-data-service-profile-packages config)
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"Return the guix-data-service package, this will populate the
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ca-certificates.crt file in the system profile."
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(list
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(guix-data-service-package config)))
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(define (guix-data-service-shepherd-services config)
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(match-record config <guix-data-service-configuration>
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(package user group port host)
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(list
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(shepherd-service
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(documentation "Guix Data Service web server")
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(provision '(guix-data-service))
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(requirement '(postgres networking))
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(start #~(make-forkexec-constructor
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(list #$(file-append package
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"/bin/guix-data-service")
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"--pid-file=/var/run/guix-data-service/pid"
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#$(string-append "--port=" (number->string port))
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#$(string-append "--host=" host)
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;; Perform any database migrations when the
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;; service is started
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"--update-database")
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#:user #$user
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#:group #$group
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#:pid-file "/var/run/guix-data-service/pid"
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;; Allow time for migrations to run
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#:pid-file-timeout 60
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#:environment-variables
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`(,(string-append
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"GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
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"LC_ALL=en_US.utf8")
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#:log-file "/var/log/guix-data-service/web.log"))
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(stop #~(make-kill-destructor)))
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(shepherd-service
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(documentation "Guix Data Service process jobs")
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(provision '(guix-data-service-process-jobs))
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(requirement '(postgres
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networking
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;; Require guix-data-service, as that the database
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;; migrations are handled through this service
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guix-data-service))
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(start #~(make-forkexec-constructor
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(list
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#$(file-append package
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"/bin/guix-data-service-process-jobs"))
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#:user #$user
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#:group #$group
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#:environment-variables
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`("HOME=/var/lib/guix-data-service"
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"GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt"
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,(string-append
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"GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
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"LC_ALL=en_US.utf8")
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#:log-file "/var/log/guix-data-service/process-jobs.log"))
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(stop #~(make-kill-destructor))))))
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(define (guix-data-service-activation config)
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#~(begin
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(use-modules (guix build utils))
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(define %user (getpw "guix-data-service"))
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(chmod "/var/lib/guix-data-service" #o755)
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(mkdir-p "/var/log/guix-data-service")
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;; Allow writing the PID file
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(mkdir-p "/var/run/guix-data-service")
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(chown "/var/run/guix-data-service"
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(passwd:uid %user)
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(passwd:gid %user))))
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(define (guix-data-service-account config)
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(match-record config <guix-data-service-configuration>
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(user group)
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(list (user-group
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(name group)
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(system? #t))
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(user-account
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(name user)
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(group group)
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(system? #t)
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(comment "Guix Data Service user")
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(home-directory "/var/lib/guix-data-service")
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(shell (file-append shadow "/sbin/nologin"))))))
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(define (guix-data-service-getmail-configuration config)
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(match config
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(($ <guix-data-service-configuration> package user group
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port host
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#f #f)
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'())
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(($ <guix-data-service-configuration> package user group
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port host
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getmail-idle-mailboxes
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commits-getmail-retriever-configuration)
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(list
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(getmail-configuration
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(name 'guix-data-service)
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(user user)
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(group group)
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(directory "/var/lib/getmail/guix-data-service")
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(rcfile
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(getmail-configuration-file
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(retriever commits-getmail-retriever-configuration)
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(destination
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(getmail-destination-configuration
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(type "MDA_external")
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(path (file-append
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package
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"/bin/guix-data-service-process-branch-updated-email"))))
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(options
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(getmail-options-configuration
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(read-all #f)
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(delivered-to #f)
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(received #f)))))
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(idle getmail-idle-mailboxes))))))
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(define guix-data-service-type
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(service-type
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(name 'guix-data-service)
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(extensions
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(list
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(service-extension profile-service-type
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guix-data-service-profile-packages)
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(service-extension shepherd-root-service-type
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guix-data-service-shepherd-services)
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(service-extension activation-service-type
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guix-data-service-activation)
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(service-extension account-service-type
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guix-data-service-account)
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(service-extension getmail-service-type
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guix-data-service-getmail-configuration)))
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(default-value
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(guix-data-service-configuration))
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(description
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"Run an instance of the Guix Data Service.")))
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