~ruther/guix-local

fe1a39d319258c26fb9bcedc2fd337a9e2f40df9 — Ludovic Courtès 11 years ago 8a62961
services: Group desktop services in (gnu services desktop).

* gnu/services/colord.scm, gnu/services/dbus.scm,
  gnu/services/upower.scm: Remove.
* gnu/services/desktop.scm: New file, with contents taken from the above
  files.
* gnu-system.am (GNU_SYSTEM_MODULES): Adjust accordingly.
* doc/guix.texi (Desktop Services): New section.
  (Various Services): Move colord-service and upower-service from
  here to "Desktop Services".
5 files changed, 192 insertions(+), 223 deletions(-)

M doc/guix.texi
M gnu-system.am
D gnu/services/colord.scm
R gnu/services/{dbus => desktop}.scm
D gnu/services/upower.scm
M doc/guix.texi => doc/guix.texi +39 -17
@@ 4641,6 4641,7 @@ declaration.
* Base Services::               Essential system services.
* Networking Services::         Network setup, SSH daemon, etc.
* X Window::                    Graphical display.
* Desktop Services::            D-Bus and desktop services.
* Various Services::            Other services.
@end menu



@@ 4985,27 4986,29 @@ appropriate screen resolution; otherwise, it must be a list of
resolutions---e.g., @code{((1024 768) (640 480))}.
@end deffn

@node Various Services
@subsubsection Various Services
@node Desktop Services
@subsubsection Desktop Services

The @code{(gnu services lirc)} module provides the following service.
The @code{(gnu services desktop)} module provides services that are
usually useful in the context of a ``desktop'' setup---that is, on a
machine running a graphical display server, possibly with graphical user
interfaces, etc.

@deffn {Monadic Procedure} lirc-service [#:lirc lirc] @
       [#:device #f] [#:driver #f] [#:config-file #f] @
       [#:extra-options '()]
Return a service that runs @url{http://www.lirc.org,LIRC}, a daemon that
decodes infrared signals from remote controls.
@deffn {Monadic Procedure} dbus-service @var{services} @
                         [#:dbus @var{dbus}]
Return a service that runs the ``system bus'', using @var{dbus}, with
support for @var{services}.

Optionally, @var{device}, @var{driver} and @var{config-file}
(configuration file name) may be specified.  See @command{lircd} manual
for details.
@uref{http://dbus.freedesktop.org/, D-Bus} is an inter-process communication
facility.  Its system bus is used to allow system services to communicate
and be notified of system-wide events.

Finally, @var{extra-options} is a list of additional command-line options
passed to @command{lircd}.
@var{services} must be a list of packages that provide an
@file{etc/dbus-1/system.d} directory containing additional D-Bus configuration
and policy files.  For example, to allow avahi-daemon to use the system bus,
@var{services} must be equal to @code{(list avahi)}.
@end deffn

@code{(gnu services upower)} provides a power-management daemon:

@deffn {Monadic Procedure} upower-service [#:upower @var{upower}] @
                         [#:watts-up-pro? #f] @
                         [#:poll-batteries? #t] @


@@ 5025,8 5028,6 @@ levels, with the given configuration settings.  It implements the
GNOME.
@end deffn

@code{(gnu services colord)} provides a color management service:

@deffn {Monadic Procedure} colord-service [#:colord @var{colord}]
Return a service that runs @command{colord}, a system service with a D-Bus
interface to manage the color profiles of input and output devices such as


@@ 5035,6 5036,27 @@ tool.  See @uref{http://www.freedesktop.org/software/colord/, the colord web
site} for more information.
@end deffn


@node Various Services
@subsubsection Various Services

The @code{(gnu services lirc)} module provides the following service.

@deffn {Monadic Procedure} lirc-service [#:lirc lirc] @
       [#:device #f] [#:driver #f] [#:config-file #f] @
       [#:extra-options '()]
Return a service that runs @url{http://www.lirc.org,LIRC}, a daemon that
decodes infrared signals from remote controls.

Optionally, @var{device}, @var{driver} and @var{config-file}
(configuration file name) may be specified.  See @command{lircd} manual
for details.

Finally, @var{extra-options} is a list of additional command-line options
passed to @command{lircd}.
@end deffn


@node Setuid Programs
@subsection Setuid Programs


M gnu-system.am => gnu-system.am +1 -3
@@ 329,13 329,11 @@ GNU_SYSTEM_MODULES =				\
  gnu/services.scm				\
  gnu/services/avahi.scm			\
  gnu/services/base.scm				\
  gnu/services/colord.scm			\
  gnu/services/dbus.scm				\
  gnu/services/desktop.scm			\
  gnu/services/dmd.scm				\
  gnu/services/lirc.scm				\
  gnu/services/networking.scm			\
  gnu/services/ssh.scm				\
  gnu/services/upower.scm			\
  gnu/services/xorg.scm				\
						\
  gnu/system.scm				\

D gnu/services/colord.scm => gnu/services/colord.scm +0 -72
@@ 1,72 0,0 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
;;;
;;; 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 colord)
  #:use-module (gnu services)
  #:use-module (gnu system shadow)
  #:use-module (gnu packages gnome)
  #:use-module (ice-9 match)
  #:use-module (guix monads)
  #:use-module (guix store)
  #:use-module (guix gexp)
  #:export (colord-service))

;;; Commentary:
;;;
;;; This module provides service definitions for the colord color management
;;; service.
;;;
;;; Code:

(define* (colord-service #:key (colord colord))
  "Return a service that runs @command{colord}, a system service with a D-Bus
interface to manage the color profiles of input and output devices such as
screens and scanners.  It is notably used by the GNOME Color Manager graphical
tool.  See @uref{http://www.freedesktop.org/software/colord/, the colord web
site} for more information."
  (with-monad %store-monad
    (return
     (service
      (documentation "Run the colord color management service.")
      (provision '(colord-daemon))
      (requirement '(dbus-system udev))

      (start #~(make-forkexec-constructor
                (list (string-append #$colord "/libexec/colord"))))
      (stop #~(make-kill-destructor))
      (activate #~(begin
                    (use-modules (guix build utils))
                    (mkdir-p "/var/lib/colord")
                    (let ((user (getpwnam "colord")))
                      (chown "/var/lib/colord"
                             (passwd:uid user) (passwd:gid user)))))

      (user-groups (list (user-group
                          (name "colord")
                          (system? #t))))
      (user-accounts (list (user-account
                            (name "colord")
                            (group "colord")
                            (system? #t)
                            (comment "colord daemon user")
                            (home-directory "/var/empty")
                            (shell
                             "/run/current-system/profile/sbin/nologin"))))))))

;;; colord.scm ends here

R gnu/services/dbus.scm => gnu/services/desktop.scm +152 -9
@@ 1,5 1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
;;;
;;; This file is part of GNU Guix.
;;;


@@ 16,25 17,31 @@
;;; 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 dbus)
(define-module (gnu services desktop)
  #:use-module (gnu services)
  #:use-module (gnu system shadow)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages admin)
  #:use-module (gnu packages gnome)
  #:use-module (guix monads)
  #:use-module (guix store)
  #:use-module (guix gexp)
  #:export (dbus-service))
  #:use-module (ice-9 match)
  #:export (dbus-service
            upower-service
            colord-service))

;;; Commentary:
;;;
;;; This module supports the configuration of the D-Bus message bus
;;; (http://dbus.freedesktop.org/).  D-Bus is an inter-process communication
;;; facility.  Its "system bus" is used to allow system services to
;;; communicate and be notified of system-wide events.
;;; This module contains service definitions for a "desktop" environment.
;;;
;;; Code:


;;;
;;; D-Bus.
;;;

(define (dbus-configuration-directory dbus services)
  "Return a configuration directory for @var{dbus} that includes the
@code{etc/dbus-1/system.d} directories of each package listed in


@@ 72,8 79,12 @@
  (gexp->derivation "dbus-configuration" build))

(define* (dbus-service services #:key (dbus dbus))
  "Return a service that runs the system bus, using @var{dbus}, with support
for @var{services}.
  "Return a service that runs the \"system bus\", using @var{dbus}, with
support for @var{services}.

@uref{http://dbus.freedesktop.org/, D-Bus} is an inter-process communication
facility.  Its system bus is used to allow system services to communicate and
be notified of system-wide events.

@var{services} must be a list of packages that provide an
@file{etc/dbus-1/system.d} directory containing additional D-Bus configuration


@@ 124,4 135,136 @@ and policy files.  For example, to allow avahi-daemon to use the system bus,
                                  (execl prog)))
                              (waitpid pid)))))))))))

;;; dbus.scm ends here

;;;
;;; Upower D-Bus service.
;;;

(define* (upower-configuration-file #:key watts-up-pro? poll-batteries?
                                    ignore-lid? use-percentage-for-policy?
                                    percentage-low percentage-critical
                                    percentage-action time-low
                                    time-critical time-action
                                    critical-power-action)
  "Return an upower-daemon configuration file."
  (define (bool value)
    (if value "true\n" "false\n"))

  (text-file "UPower.conf"
             (string-append
              "[UPower]\n"
              "EnableWattsUpPro=" (bool watts-up-pro?)
              "NoPollBatteries=" (bool (not poll-batteries?))
              "IgnoreLid=" (bool ignore-lid?)
              "UsePercentageForPolicy=" (bool use-percentage-for-policy?)
              "PercentageLow=" (number->string percentage-low) "\n"
              "PercentageCritical=" (number->string percentage-critical) "\n"
              "PercentageAction=" (number->string percentage-action) "\n"
              "TimeLow=" (number->string time-low) "\n"
              "TimeCritical=" (number->string time-critical) "\n"
              "TimeAction=" (number->string time-action) "\n"
              "CriticalPowerAction=" (match critical-power-action
                                       ('hybrid-sleep "HybridSleep")
                                       ('hibernate "Hibernate")
                                       ('power-off "PowerOff"))
              "\n")))

(define* (upower-service #:key (upower upower)
                         (watts-up-pro? #f)
                         (poll-batteries? #t)
                         (ignore-lid? #f)
                         (use-percentage-for-policy? #f)
                         (percentage-low 10)
                         (percentage-critical 3)
                         (percentage-action 2)
                         (time-low 1200)
                         (time-critical 300)
                         (time-action 120)
                         (critical-power-action 'hybrid-sleep))
  "Return a service that runs @uref{http://upower.freedesktop.org/,
@command{upowerd}}, a system-wide monitor for power consumption and battery
levels, with the given configuration settings.  It implements the
@code{org.freedesktop.UPower} D-Bus interface, and is notably used by GNOME."
  (mlet %store-monad ((config (upower-configuration-file
                               #:watts-up-pro? watts-up-pro?
                               #:poll-batteries? poll-batteries?
                               #:ignore-lid? ignore-lid?
                               #:use-percentage-for-policy? use-percentage-for-policy?
                               #:percentage-low percentage-low
                               #:percentage-critical percentage-critical
                               #:percentage-action percentage-action
                               #:time-low time-low
                               #:time-critical time-critical
                               #:time-action time-action
                               #:critical-power-action critical-power-action)))
    (return
     (service
      (documentation "Run the UPower power and battery monitor.")
      (provision '(upower-daemon))
      (requirement '(dbus-system udev))

      (start #~(make-forkexec-constructor
                (list (string-append #$upower "/libexec/upowerd"))
                #:environment-variables
                (list (string-append "UPOWER_CONF_FILE_NAME=" #$config))))
      (stop #~(make-kill-destructor))
      (activate #~(begin
                    (use-modules (guix build utils))
                    (mkdir-p "/var/lib/upower")
                    (let ((user (getpwnam "upower")))
                      (chown "/var/lib/upower"
                             (passwd:uid user) (passwd:gid user)))))

      (user-groups (list (user-group
                          (name "upower")
                          (system? #t))))
      (user-accounts (list (user-account
                            (name "upower")
                            (group "upower")
                            (system? #t)
                            (comment "UPower daemon user")
                            (home-directory "/var/empty")
                            (shell
                             #~(string-append #$shadow "/sbin/nologin")))))))))


;;;
;;; Colord D-Bus service.
;;;

(define* (colord-service #:key (colord colord))
  "Return a service that runs @command{colord}, a system service with a D-Bus
interface to manage the color profiles of input and output devices such as
screens and scanners.  It is notably used by the GNOME Color Manager graphical
tool.  See @uref{http://www.freedesktop.org/software/colord/, the colord web
site} for more information."
  (with-monad %store-monad
    (return
     (service
      (documentation "Run the colord color management service.")
      (provision '(colord-daemon))
      (requirement '(dbus-system udev))

      (start #~(make-forkexec-constructor
                (list (string-append #$colord "/libexec/colord"))))
      (stop #~(make-kill-destructor))
      (activate #~(begin
                    (use-modules (guix build utils))
                    (mkdir-p "/var/lib/colord")
                    (let ((user (getpwnam "colord")))
                      (chown "/var/lib/colord"
                             (passwd:uid user) (passwd:gid user)))))

      (user-groups (list (user-group
                          (name "colord")
                          (system? #t))))
      (user-accounts (list (user-account
                            (name "colord")
                            (group "colord")
                            (system? #t)
                            (comment "colord daemon user")
                            (home-directory "/var/empty")
                            (shell
                             #~(string-append #$shadow "/sbin/nologin")))))))))

;;; desktop.scm ends here

D gnu/services/upower.scm => gnu/services/upower.scm +0 -122
@@ 1,122 0,0 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
;;;
;;; 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 upower)
  #:use-module (gnu services)
  #:use-module (gnu system shadow)
  #:use-module (gnu packages gnome)
  #:use-module (ice-9 match)
  #:use-module (guix monads)
  #:use-module (guix store)
  #:use-module (guix gexp)
  #:export (upower-service))

;;; Commentary:
;;;
;;; This module provides service definitions for the UPower power and battery
;;; monitoring service.
;;;
;;; Code:

(define* (configuration-file #:key watts-up-pro? poll-batteries? ignore-lid?
                             use-percentage-for-policy? percentage-low
                             percentage-critical percentage-action
                             time-low time-critical time-action
                             critical-power-action)
  "Return an upower-daemon configuration file."
  (define (bool value)
    (if value "true\n" "false\n"))

  (text-file "UPower.conf"
             (string-append
              "[UPower]\n"
              "EnableWattsUpPro=" (bool watts-up-pro?)
              "NoPollBatteries=" (bool (not poll-batteries?))
              "IgnoreLid=" (bool ignore-lid?)
              "UsePercentageForPolicy=" (bool use-percentage-for-policy?)
              "PercentageLow=" (number->string percentage-low) "\n"
              "PercentageCritical=" (number->string percentage-critical) "\n"
              "PercentageAction=" (number->string percentage-action) "\n"
              "TimeLow=" (number->string time-low) "\n"
              "TimeCritical=" (number->string time-critical) "\n"
              "TimeAction=" (number->string time-action) "\n"
              "CriticalPowerAction=" (match critical-power-action
                                       ('hybrid-sleep "HybridSleep")
                                       ('hibernate "Hibernate")
                                       ('power-off "PowerOff"))
              "\n")))

(define* (upower-service #:key (upower upower)
                         (watts-up-pro? #f)
                         (poll-batteries? #t)
                         (ignore-lid? #f)
                         (use-percentage-for-policy? #f)
                         (percentage-low 10)
                         (percentage-critical 3)
                         (percentage-action 2)
                         (time-low 1200)
                         (time-critical 300)
                         (time-action 120)
                         (critical-power-action 'hybrid-sleep))
  "Return a service that runs @uref{http://upower.freedesktop.org/,
@command{upowerd}}, a system-wide monitor for power consumption and battery
levels, with the given configuration settings.  It implements the
@code{org.freedesktop.UPower} D-Bus interface, and is notably used by GNOME."
  (mlet %store-monad ((config (configuration-file
                               #:watts-up-pro? watts-up-pro?
                               #:poll-batteries? poll-batteries?
                               #:ignore-lid? ignore-lid?
                               #:use-percentage-for-policy? use-percentage-for-policy?
                               #:percentage-low percentage-low
                               #:percentage-critical percentage-critical
                               #:percentage-action percentage-action
                               #:time-low time-low
                               #:time-critical time-critical
                               #:time-action time-action
                               #:critical-power-action critical-power-action)))
    (return
     (service
      (documentation "Run the UPower power and battery monitor.")
      (provision '(upower-daemon))
      (requirement '(dbus-system udev))

      (start #~(make-forkexec-constructor
                (list (string-append #$upower "/libexec/upowerd"))
                #:environment-variables
                (list (string-append "UPOWER_CONF_FILE_NAME=" #$config))))
      (stop #~(make-kill-destructor))
      (activate #~(begin
                    (use-modules (guix build utils))
                    (mkdir-p "/var/lib/upower")
                    (let ((user (getpwnam "upower")))
                      (chown "/var/lib/upower"
                             (passwd:uid user) (passwd:gid user)))))

      (user-groups (list (user-group
                          (name "upower")
                          (system? #t))))
      (user-accounts (list (user-account
                            (name "upower")
                            (group "upower")
                            (system? #t)
                            (comment "UPower daemon user")
                            (home-directory "/var/empty")
                            (shell
                             "/run/current-system/profile/sbin/nologin"))))))))

;;; upower.scm ends here