[bug#75021] services: Add mosquitto-service-type.
Commit Message
I have described changes in a commit message.
From 06968ec1b2849441633be2392160dc2793e676ac Mon Sep 17 00:00:00 2001
Message-ID: <06968ec1b2849441633be2392160dc2793e676ac.1735312937.git.mail@pisemsky.site>
From: Evgeny Pisemsky <mail@pisemsky.site>
Date: Fri, 27 Dec 2024 18:18:01 +0300
Subject: [PATCH] services: Add mosquitto-service-type.
* gnu/services/messaging.scm (<mosquitto-configuration>): New record type.
(mosquitto-accounts): New procedure.
(mosquitto-shepherd-service): New procedure.
(mosquitto-service-type): New variable.
* doc/guix.texi (Messaging Services): Document it.
Change-Id: I65c141a1aac4a932a8eead86626e4284346c1d91
---
doc/guix.texi | 32 +++++++++++++++++
gnu/services/messaging.scm | 71 +++++++++++++++++++++++++++++++++++++-
2 files changed, 102 insertions(+), 1 deletion(-)
@@ -134,6 +134,7 @@
Copyright @copyright{} 2024 Nigko Yerden@*
Copyright @copyright{} 2024 Troy Figiel@*
Copyright @copyright{} 2024 Sharlatan Hellseher@*
+Copyright @copyright{} 2024 Evgeny Pisemsky@*
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -29414,6 +29415,37 @@ Messaging Services
@end table
@end deftp
+@subsubheading Mosquitto Service
+
+@url{https://mosquitto.org/,Mosquitto} is a lightweight message broker
+that implements the MQTT protocol versions 5.0, 3.1.1 and 3.1. It is
+suitable for use on all devices from low power single board computers to
+full servers.
+
+@defvar mosquitto-service-type
+This is the service type for the @url{https://mosquitto.org/,Mosquitto}
+MQTT broker. Its value is a @code{mosquitto-configuration} (see below).
+@end defvar
+
+@deftp {Data Type} mosquitto-configuration
+This is the configuration for Mosquitto, with the following fields:
+
+@table @asis
+@item @code{package} (default: @code{mosquitto})
+The Mosquitto package to use.
+
+@item @code{config-file} (default: @code{#f})
+The Mosquitto configuration file as a file-like object or the value
+@code{#f} to use the default configuration.
+
+@item @code{user} (default: @code{"mosquitto"})
+Owner of the broker process.
+
+@item @code{group} (default: @code{"mosquitto"})
+Owner's group of the broker process.
+@end table
+@end deftp
+
@node Telephony Services
@subsection Telephony Services
@@ -3,6 +3,7 @@
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2015, 2017-2020, 2022-2024 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Pierre-Antoine Rouby <contact@parouby.fr>
+;;; Copyright © 2024 Evgeny Pisemsky <mail@pisemsky.site>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -59,7 +60,15 @@ (define-module (gnu services messaging)
bitlbee-service-type
quassel-configuration
- quassel-service-type))
+ quassel-service-type
+
+ mosquitto-configuration
+ mosquitto-configuration?
+ mosquitto-configuration-package
+ mosquitto-configuration-config-file
+ mosquitto-configuration-user
+ mosquitto-configuration-group
+ mosquitto-service-type))
;;; Commentary:
;;;
@@ -1002,3 +1011,63 @@ (define quassel-service-type
"Run @url{https://quassel-irc.org/,quasselcore}, the backend
for the distributed IRC client quassel, which allows you to connect from
multiple machines simultaneously.")))
+
+;;;
+;;; Mosquitto.
+;;;
+
+(define-record-type* <mosquitto-configuration>
+ mosquitto-configuration
+ make-mosquitto-configuration
+ mosquitto-configuration?
+ (package mosquitto-configuration-package
+ (default mosquitto))
+ (config-file mosquitto-configuration-config-file
+ (default #f))
+ (user mosquitto-configuration-user
+ (default "mosquitto"))
+ (group mosquitto-configuration-group
+ (default "mosquitto")))
+
+(define (mosquitto-accounts config)
+ (match-record config <mosquitto-configuration>
+ (user group)
+ (filter identity
+ (list
+ (and (equal? group "mosquitto")
+ (user-group
+ (name "mosquitto")
+ (system? #t)))
+ (and (equal? user "mosquitto")
+ (user-account
+ (name "mosquitto")
+ (group group)
+ (system? #t)
+ (comment "bzzz")
+ (home-directory "/var/empty")
+ (shell (file-append shadow "/sbin/nologin"))))))))
+
+(define (mosquitto-shepherd-service config)
+ (match-record config <mosquitto-configuration>
+ (package config-file user group)
+ (list (shepherd-service
+ (documentation "Run the Mosquitto MQTT broker.")
+ (provision '(mosquitto))
+ (requirement '(networking syslogd user-processes))
+ (start #~(make-forkexec-constructor
+ (list #$(file-append package "/sbin/mosquitto")
+ #$@(if config-file
+ (list "-c" config-file)
+ '()))
+ #:user #$user
+ #:group #$group))
+ (stop #~(make-kill-destructor))))))
+
+(define mosquitto-service-type
+ (service-type
+ (description "Run the Mosquitto MQTT broker.")
+ (name 'mosquitto)
+ (extensions
+ (list (service-extension account-service-type mosquitto-accounts)
+ (service-extension shepherd-root-service-type mosquitto-shepherd-service)))
+ (default-value (mosquitto-configuration))))
base-commit: 831b94a1efcea8f793afc949b5123a6235c9bb1a
--
2.47.1