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gnu: Add elogind service. 

* gnu/services/desktop.scm (<elogind-configuration>): New record type.
  (elogind-configuration-file, elogind-service): New functions.
  (%desktop-services): Add elogind-service.
master
Andy Wingo 2015-08-18 11:56:17 +02:00
parent 5c91962afe
commit 04463bb05e
1 changed files with 159 additions and 1 deletions
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160
gnu/services/desktop.scm
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@ -26,10 +26,12 @@
#:use-module (gnu system shadow)
#:use-module (gnu packages glib)
#:use-module (gnu packages admin)
#:use-module (gnu packages freedesktop)
#:use-module (gnu packages gnome)
#:use-module (gnu packages avahi)
#:use-module (gnu packages wicd)
#:use-module (guix monads)
#:use-module (guix records)
#:use-module (guix store)
#:use-module (guix gexp)
#:use-module (ice-9 match)
@ -39,6 +41,8 @@
geoclue-application
%standard-geoclue-applications
geoclue-service
elogind-configuration
elogind-service
%desktop-services))
;;; Commentary:
@ -372,6 +376,159 @@ site} for more information."
(shell
"/run/current-system/profile/sbin/nologin"))))))))
;;;
;;; Elogind login and seat management service.
;;;
(define-record-type* <elogind-configuration> elogind-configuration
make-elogind-configuration
elogind-configuration
(kill-user-processes? elogind-kill-user-processes?
(default #f))
(kill-only-users elogind-kill-only-users
(default '()))
(kill-exclude-users elogind-kill-exclude-users
(default '("root")))
(inhibit-delay-max-seconds elogind-inhibit-delay-max-seconds
(default 5))
(handle-power-key elogind-handle-power-key
(default 'poweroff))
(handle-suspend-key elogind-handle-suspend-key
(default 'suspend))
(handle-hibernate-key elogind-handle-hibernate-key
(default 'hibernate))
(handle-lid-switch elogind-handle-lid-switch
(default 'suspend))
(handle-lid-switch-docked elogind-handle-lid-switch-docked
(default 'ignore))
(power-key-ignore-inhibited? elogind-power-key-ignore-inhibited?
(default #f))
(suspend-key-ignore-inhibited? elogind-suspend-key-ignore-inhibited?
(default #f))
(hibernate-key-ignore-inhibited? elogind-hibernate-key-ignore-inhibited?
(default #f))
(lid-switch-ignore-inhibited? elogind-lid-switch-ignore-inhibited?
(default #t))
(holdoff-timeout-seconds elogind-holdoff-timeout-seconds
(default 30))
(idle-action elogind-idle-action
(default 'ignore))
(idle-action-seconds elogind-idle-action-seconds
(default (* 30 60)))
(runtime-directory-size-percent elogind-runtime-directory-size-percent
(default 10))
(runtime-directory-size elogind-runtime-directory-size
(default #f))
(remove-ipc? elogind-remove-ipc?
(default #t))
(suspend-state elogind-suspend-state
(default '("mem" "standby" "freeze")))
(suspend-mode elogind-suspend-mode
(default '()))
(hibernate-state elogind-hibernate-state
(default '("disk")))
(hibernate-mode elogind-hibernate-mode
(default '("platform" "shutdown")))
(hybrid-sleep-state elogind-hybrid-sleep-state
(default '("disk")))
(hybrid-sleep-mode elogind-hybrid-sleep-mode
(default
'("suspend" "platform" "shutdown"))))
(define (elogind-configuration-file config)
(define (yesno x)
(match x
(#t "yes")
(#f "no")
(_ (error "expected #t or #f, instead got:" x))))
(define char-set:user-name
(string->char-set "abcdefghijklmnopqrstuvwxyz0123456789_-"))
(define (valid-list? l pred)
(and-map (lambda (x) (string-every pred x)) l))
(define (user-name-list users)
(unless (valid-list? users char-set:user-name)
(error "invalid user list" users))
(string-join users " "))
(define (enum val allowed)
(unless (memq val allowed)
(error "invalid value" val allowed))
(symbol->string val))
(define (non-negative-integer x)
(unless (exact-integer? x) (error "not an integer" x))
(when (negative? x) (error "negative number not allowed" x))
(number->string x))
(define handle-actions
'(ignore poweroff reboot halt kexec suspend hibernate hybrid-sleep lock))
(define (handle-action x)
(enum x handle-actions))
(define (sleep-list tokens)
(unless (valid-list? tokens char-set:user-name)
(error "invalid sleep list" tokens))
(string-join tokens " "))
(define-syntax ini-file-clause
(syntax-rules ()
((_ config (prop (parser getter)))
(string-append prop "=" (parser (getter config)) "\n"))
((_ config str)
(string-append str "\n"))))
(define-syntax-rule (ini-file config file clause ...)
(text-file file (string-append (ini-file-clause config clause) ...)))
(ini-file
config "logind.conf"
"[Login]"
("KillUserProcesses" (yesno elogind-kill-user-processes?))
("KillOnlyUsers" (user-name-list elogind-kill-only-users))
("KillExcludeUsers" (user-name-list elogind-kill-exclude-users))
("InhibitDelayMaxSecs" (non-negative-integer elogind-inhibit-delay-max-seconds))
("HandlePowerKey" (handle-action elogind-handle-power-key))
("HandleSuspendKey" (handle-action elogind-handle-suspend-key))
("HandleHibernateKey" (handle-action elogind-handle-hibernate-key))
("HandleLidSwitch" (handle-action elogind-handle-lid-switch))
("HandleLidSwitchDocked" (handle-action elogind-handle-lid-switch-docked))
("PowerKeyIgnoreInhibited" (yesno elogind-power-key-ignore-inhibited?))
("SuspendKeyIgnoreInhibited" (yesno elogind-suspend-key-ignore-inhibited?))
("HibernateKeyIgnoreInhibited" (yesno elogind-hibernate-key-ignore-inhibited?))
("LidSwitchIgnoreInhibited" (yesno elogind-lid-switch-ignore-inhibited?))
("HoldoffTimeoutSecs" (non-negative-integer elogind-holdoff-timeout-seconds))
("IdleAction" (handle-action elogind-idle-action))
("IdleActionSeconds" (non-negative-integer elogind-idle-action-seconds))
("RuntimeDirectorySize"
(identity
(lambda (config)
(match (elogind-runtime-directory-size-percent config)
(#f (non-negative-integer (elogind-runtime-directory-size config)))
(percent (string-append (non-negative-integer percent) "%"))))))
("RemoveIpc" (yesno elogind-remove-ipc?))
"[Sleep]"
("SuspendState" (sleep-list elogind-suspend-state))
("SuspendMode" (sleep-list elogind-suspend-mode))
("HibernateState" (sleep-list elogind-hibernate-state))
("HibernateMode" (sleep-list elogind-hibernate-mode))
("HybridSleepState" (sleep-list elogind-hybrid-sleep-state))
("HybridSleepMode" (sleep-list elogind-hybrid-sleep-mode))))
(define* (elogind-service #:key (elogind elogind)
(config (elogind-configuration)))
"Return a service that runs the @command{elogind} login and seat management
service. The @command{elogind} service integrates with PAM to allow other
system components to know the set of logged-in users as well as their session
types (graphical, console, remote, etc.). It can also clean up after users
when they log out."
(mlet %store-monad ((config-file (elogind-configuration-file config)))
(return
(service
(documentation "Run the elogind login and seat management service.")
(provision '(elogind))
(requirement '(dbus-system))
(start #~(make-forkexec-constructor
(list (string-append #$elogind "/libexec/elogind/elogind"))
#:environment-variables
(list (string-append "ELOGIND_CONF_FILE=" #$config-file))))
(stop #~(make-kill-destructor))))))
;;;
;;; The default set of desktop services.
@ -389,7 +546,8 @@ site} for more information."
;; time, so we currently add them to the set of default services.
(colord-service)
(geoclue-service)
(dbus-service (list avahi wicd upower colord geoclue))
(elogind-service)
(dbus-service (list avahi wicd upower colord geoclue elogind))
(ntp-service)