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01/02: services: Group desktop services in (gnu services desktop).
|
From: |
Ludovic Courtès |
|
Subject: |
01/02: services: Group desktop services in (gnu services desktop). |
|
Date: |
Tue, 05 May 2015 20:44:37 +0000 |
civodul pushed a commit to branch master
in repository guix.
commit fe1a39d319258c26fb9bcedc2fd337a9e2f40df9
Author: Ludovic Courtès <address@hidden>
Date: Fri May 1 19:36:10 2015 +0200
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".
---
doc/guix.texi | 56 +++++++---
gnu-system.am | 4 +-
gnu/services/colord.scm | 72 ------------
gnu/services/dbus.scm | 127 ----------------------
gnu/services/desktop.scm | 270 ++++++++++++++++++++++++++++++++++++++++++++++
gnu/services/upower.scm | 122 ---------------------
6 files changed, 310 insertions(+), 341 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index d9db408..8241cb0 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -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
address@hidden Various Services
address@hidden Various Services
address@hidden Desktop Services
address@hidden 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.
address@hidden {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.
address@hidden {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.
address@hidden://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}.
address@hidden must be a list of packages that provide an
address@hidden/dbus-1/system.d} directory containing additional D-Bus
configuration
+and policy files. For example, to allow avahi-daemon to use the system bus,
address@hidden must be equal to @code{(list avahi)}.
@end deffn
address@hidden(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
address@hidden(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
+
address@hidden Various Services
address@hidden Various Services
+
+The @code{(gnu services lirc)} module provides the following service.
+
address@hidden {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}.
address@hidden deffn
+
+
@node Setuid Programs
@subsection Setuid Programs
diff --git a/gnu-system.am b/gnu-system.am
index 798188f..9ffb76e 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -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 \
diff --git a/gnu/services/colord.scm b/gnu/services/colord.scm
deleted file mode 100644
index 5884360..0000000
--- a/gnu/services/colord.scm
+++ /dev/null
@@ -1,72 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014, 2015 Ludovic Courtès <address@hidden>
-;;; Copyright © 2015 Andy Wingo <address@hidden>
-;;;
-;;; 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
diff --git a/gnu/services/dbus.scm b/gnu/services/dbus.scm
deleted file mode 100644
index 8f3b350..0000000
--- a/gnu/services/dbus.scm
+++ /dev/null
@@ -1,127 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014, 2015 Ludovic Courtès <address@hidden>
-;;;
-;;; 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 dbus)
- #:use-module (gnu services)
- #:use-module (gnu system shadow)
- #:use-module (gnu packages glib)
- #:use-module (gnu packages admin)
- #:use-module (guix monads)
- #:use-module (guix store)
- #:use-module (guix gexp)
- #:export (dbus-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.
-;;;
-;;; Code:
-
-(define (dbus-configuration-directory dbus services)
- "Return a configuration directory for @var{dbus} that includes the
address@hidden/dbus-1/system.d} directories of each package listed in
address@hidden"
- (define build
- #~(begin
- (use-modules (sxml simple)
- (srfi srfi-1))
-
- (define (services->sxml services)
- ;; Return the SXML 'includedir' clauses for DIRS.
- `(busconfig
- ,@(append-map (lambda (dir)
- `((includedir
- ,(string-append dir "/etc/dbus-1/system.d"))
- (servicedir ;for '.service' files
- ,(string-append dir "/share/dbus-1/services"))))
- services)))
-
- (mkdir #$output)
- (copy-file (string-append #$dbus "/etc/dbus-1/system.conf")
- (string-append #$output "/system.conf"))
-
- ;; The default 'system.conf' has an <includedir> clause for
- ;; 'system.d', so create it.
- (mkdir (string-append #$output "/system.d"))
-
- ;; 'system-local.conf' is automatically included by the default
- ;; 'system.conf', so this is where we stuff our own things.
- (call-with-output-file (string-append #$output "/system-local.conf")
- (lambda (port)
- (sxml->xml (services->sxml (list address@hidden))
- port)))))
-
- (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}.
-
address@hidden must be a list of packages that provide an
address@hidden/dbus-1/system.d} directory containing additional D-Bus
configuration
-and policy files. For example, to allow avahi-daemon to use the system bus,
address@hidden must be equal to @code{(list avahi)}."
- (mlet %store-monad ((conf (dbus-configuration-directory dbus services)))
- (return
- (service
- (documentation "Run the D-Bus system daemon.")
- (provision '(dbus-system))
- (requirement '(user-processes))
- (start #~(make-forkexec-constructor
- (list (string-append #$dbus "/bin/dbus-daemon")
- "--nofork"
- (string-append "--config-file=" #$conf "/system.conf"))))
- (stop #~(make-kill-destructor))
- (user-groups (list (user-group
- (name "messagebus")
- (system? #t))))
- (user-accounts (list (user-account
- (name "messagebus")
- (group "messagebus")
- (system? #t)
- (comment "D-Bus system bus user")
- (home-directory "/var/run/dbus")
- (shell
- #~(string-append #$shadow "/sbin/nologin")))))
- (activate #~(begin
- (use-modules (guix build utils))
-
- (mkdir-p "/var/run/dbus")
-
- (let ((user (getpwnam "messagebus")))
- (chown "/var/run/dbus"
- (passwd:uid user) (passwd:gid user)))
-
- (unless (file-exists? "/etc/machine-id")
- (format #t "creating /etc/machine-id...~%")
- (let ((prog (string-append #$dbus "/bin/dbus-uuidgen")))
- ;; XXX: We can't use 'system' because the initrd's
- ;; guile system(3) only works when 'sh' is in $PATH.
- (let ((pid (primitive-fork)))
- (if (zero? pid)
- (call-with-output-file "/etc/machine-id"
- (lambda (port)
- (close-fdes 1)
- (dup2 (port->fdes port) 1)
- (execl prog)))
- (waitpid pid)))))))))))
-
-;;; dbus.scm ends here
diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
new file mode 100644
index 0000000..5945f7a
--- /dev/null
+++ b/gnu/services/desktop.scm
@@ -0,0 +1,270 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014, 2015 Ludovic Courtès <address@hidden>
+;;; Copyright © 2015 Andy Wingo <address@hidden>
+;;;
+;;; 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 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)
+ #:use-module (ice-9 match)
+ #:export (dbus-service
+ upower-service
+ colord-service))
+
+;;; Commentary:
+;;;
+;;; 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
address@hidden/dbus-1/system.d} directories of each package listed in
address@hidden"
+ (define build
+ #~(begin
+ (use-modules (sxml simple)
+ (srfi srfi-1))
+
+ (define (services->sxml services)
+ ;; Return the SXML 'includedir' clauses for DIRS.
+ `(busconfig
+ ,@(append-map (lambda (dir)
+ `((includedir
+ ,(string-append dir "/etc/dbus-1/system.d"))
+ (servicedir ;for '.service' files
+ ,(string-append dir "/share/dbus-1/services"))))
+ services)))
+
+ (mkdir #$output)
+ (copy-file (string-append #$dbus "/etc/dbus-1/system.conf")
+ (string-append #$output "/system.conf"))
+
+ ;; The default 'system.conf' has an <includedir> clause for
+ ;; 'system.d', so create it.
+ (mkdir (string-append #$output "/system.d"))
+
+ ;; 'system-local.conf' is automatically included by the default
+ ;; 'system.conf', so this is where we stuff our own things.
+ (call-with-output-file (string-append #$output "/system-local.conf")
+ (lambda (port)
+ (sxml->xml (services->sxml (list address@hidden))
+ port)))))
+
+ (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}.
+
address@hidden://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.
+
address@hidden must be a list of packages that provide an
address@hidden/dbus-1/system.d} directory containing additional D-Bus
configuration
+and policy files. For example, to allow avahi-daemon to use the system bus,
address@hidden must be equal to @code{(list avahi)}."
+ (mlet %store-monad ((conf (dbus-configuration-directory dbus services)))
+ (return
+ (service
+ (documentation "Run the D-Bus system daemon.")
+ (provision '(dbus-system))
+ (requirement '(user-processes))
+ (start #~(make-forkexec-constructor
+ (list (string-append #$dbus "/bin/dbus-daemon")
+ "--nofork"
+ (string-append "--config-file=" #$conf "/system.conf"))))
+ (stop #~(make-kill-destructor))
+ (user-groups (list (user-group
+ (name "messagebus")
+ (system? #t))))
+ (user-accounts (list (user-account
+ (name "messagebus")
+ (group "messagebus")
+ (system? #t)
+ (comment "D-Bus system bus user")
+ (home-directory "/var/run/dbus")
+ (shell
+ #~(string-append #$shadow "/sbin/nologin")))))
+ (activate #~(begin
+ (use-modules (guix build utils))
+
+ (mkdir-p "/var/run/dbus")
+
+ (let ((user (getpwnam "messagebus")))
+ (chown "/var/run/dbus"
+ (passwd:uid user) (passwd:gid user)))
+
+ (unless (file-exists? "/etc/machine-id")
+ (format #t "creating /etc/machine-id...~%")
+ (let ((prog (string-append #$dbus "/bin/dbus-uuidgen")))
+ ;; XXX: We can't use 'system' because the initrd's
+ ;; guile system(3) only works when 'sh' is in $PATH.
+ (let ((pid (primitive-fork)))
+ (if (zero? pid)
+ (call-with-output-file "/etc/machine-id"
+ (lambda (port)
+ (close-fdes 1)
+ (dup2 (port->fdes port) 1)
+ (execl prog)))
+ (waitpid pid)))))))))))
+
+
+;;;
+;;; 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/,
address@hidden, a system-wide monitor for power consumption and battery
+levels, with the given configuration settings. It implements the
address@hidden 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
diff --git a/gnu/services/upower.scm b/gnu/services/upower.scm
deleted file mode 100644
index 3654c81..0000000
--- a/gnu/services/upower.scm
+++ /dev/null
@@ -1,122 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015 Andy Wingo <address@hidden>
-;;;
-;;; 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/,
address@hidden, a system-wide monitor for power consumption and battery
-levels, with the given configuration settings. It implements the
address@hidden 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