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authorLudovic Courtès <ludo@gnu.org>2015-09-17 23:44:26 +0200
committerLudovic Courtès <ludo@gnu.org>2015-10-10 22:55:15 +0200
commit0adfe95a3eee335847c3127edde3de550e692440 (patch)
tree1c5a059d8f261f09254c0e420e61e1344c9edb45 /gnu/services/xorg.scm
parente79467f63a06811ba5dd8c8b0cc79553c5dd4e3a (diff)
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services: Introduce extensible services.
This patch rewrites GuixSD services to make them extensible. * gnu-system.am (GNU_SYSTEM_MODULES): Add gnu/services/dbus.scm. * gnu/services.scm (<service>): Replace with new record type. (<service-extension>, <service-type>): New record types. (write-service-type, compute-boot-script, second-argument): New procedures. (%boot-service, boot-service-type): New variables. (file-union, directory-union, modprobe-wrapper, activation-service->script, activation-script, gexps->activation-gexp): New procedures. (activation-service-type, %activation-service): New variables. (etc-directory, files->etc-directory, etc-service): New procedures. (etc-service-type, setuid-program-service, firmware-service-type): New variables. (firmware->activation-gexp): New procedure. (&service-error, &missing-target-service-error, &ambiguous-target-service-error): New condition types. (service-back-edges, fold-services): New procedures. * gnu/services/avahi.scm (<avahi-configuration>): New record type. (configuration-file): Replace keyword parameters with a single 'config' parameter. (%avahi-accounts, %avahi-activation, avahi-service-type): New variables. (avahi-dmd-service): New procedure. (avahi-service): Rewrite using 'service' and 'avahi-configuration'. * gnu/services/base.scm (%root-file-system-dmd-service, root-file-system-service-type): New variables. (root-file-system-service): Use them. (file-system->dmd-service-name): New procedure. (file-system-service-type): New variable. (file-system-service): Use it. Replace keyword parameters with a single 'file-system' object. (user-unmount-service-type): New variable. (user-unmount-service): Use it. (user-processes-service-type): New variable. (user-processes-service): Use it. (host-name-service-type): New variable. (host-name-service): Use it. (console-keymap-service-type): New variable. (console-keymap-service): Use it. (console-font-service-type): New variable. (console-font-service): Use it. (mingetty-pam-service, mingetty-dmd-service): New procedures. (mingetty-service-type): New variable. (mingetty-service): Use it. (nscd-dmd-service): New procedure. (nscd-activation, nscd-service-type): New variables. (nscd-service): Use the latter. (syslog-service-type): New variable. (syslog-service): Use it. (<guix-configuration>): New record type. (%default-guix-configuration): New variable. (guix-dmd-service, guix-accounts, guix-activation): New procedures. (guix-service-type): New variable. (guix-service): Replace list of keyword parameters with a single 'config' parameter. Rewrite using 'service'. (<udev-configuration>): New record type. (udev-dmd-service): New procedure. (udev-service-type): New variable. (udev-service): Use it. (device-mapping-service-type): New variable. (device-mapping-service): Use it. (swap-service-type): New variable. (swap-service): Use it. * gnu/services/databases.scm (<postgresql-configuration>): New record type. (%postgresql-accounts, postgresql-activation): New variables. (postgresql-dmd-service): New procedure. (postgresql-service): Rewrite using 'service' and 'postgresql-configuration'. * gnu/services/dbus.scm: New file. * gnu/services/desktop.scm (dbus-configuration-directory, dbus-service): Remove. (wrapped-dbus-service): New procedure. (<upower-configuration>): New record type. (upower-configuration-file): Replace keyword parameters with single <upower-configuration> parameter. (%upower-accounts, %upower-activation): New variables. (upower-dbus-service, upower-dmd-service): New procedures. (upower-service-type): New variable. (upower-service): Rewrite using 'service' and 'upower-configuration'. (%colord-activation, %colord-accounts): New variables. (colord-dmd-service): New procedure. (colord-service-type): New variable. (colord-service): Rewrite using 'service'. (<geoclue-configuration>): New record type. (geoclue-configuration-file): Replace keyword parameters with a single 'config' parameter. (geoclue-dbus-service, geoclue-dmd-service): New procedures. (%geoclue-accounts, geoclue-service-type): New variables. (geoclue-service): Rewrite using 'service' and 'geoclue-configuration'. (%polkit-accounts, %polkit-pam-services, polkit-service-type): New variables. (polkit-dmd-service): New procedure. (polkit-service): Rewrite using 'service'. (<elogind-configuration>)[elogind]: New field. (elogind-dmd-service): New procedure. (elogind-service-type): New variable. (elogind-service): Rewrite using 'service'. (%desktop-services): Remove argument to 'dbus-service'. Remove 'map' over %BASE-SERVICES. * gnu/services/dmd.scm (dmd-boot-gexp): New procedure. (dmd-root-service-type, %dmd-root-service): New variables. (dmd-service-type): New macro. (<dmd-service>): New record type. * gnu/services/lirc.scm (<lirc-configuration>): New record type. (%lirc-activation): New variable. (lirc-dmd-service): New procedure. (lirc-service-type): New variable. (lirc-service): Rewrite using 'service' and 'lirc-configuration'. * gnu/services/networking.scm (<static-networking>): New record type. (static-networking-service-type): New variable. (static-networking-service): Rewrite using 'service' and 'static-networking'. (dhcp-client-service-type): New variable. (dhcp-client-service): Rewrite using 'service'. (<ntp-configuration>): New record type. (ntp-dmd-service): New procedure. (ntp-service-type): New variable. (ntp-service): New procedure. (%tor-accounts, tor-service-type): New variable. (tor-dmd-service): New procedure. (tor-service): Rewrite using 'service'. (<bitlbee-configuration>): New record type. (bitlbee-dmd-service): New procedure. (%bitlbee-accounts, %bitlbee-activation, bitlbee-service-type): New variables. (bitlbee-service): Rewrite using 'service'. (%wicd-activation): New variable. (wicd-dmd-service): New procedure. (wicd-service-type): New variable. (wicd-service): Rewrite using 'service'. * gnu/services/ssh.scm (<lsh-configuration>): New record type. (activation): Rename to... (lsh-initialization): ... this. (lsh-activation, lsh-dmd-service, lsh-pam-services): New procedures. (lsh-service-type): New variable. (lsh-service): Rewrite using 'service' and 'lsh-configuration'. * gnu/services/web.scm (<nginx-configuration>): New record type. (%nginx-accounts): New variable. (nginx-activation, nginx-dmd-service): New procedures. (nginx-service-type): New variable. (nginx-service): Rewrite using 'service' and 'nginx-configuration'. * gnu/services/xorg.scm (<slim-configuration>): New record type. (slim-pam-service, slim-dmd-service): New procedures. (slim-service-type): New variable. (slim-service): Rewrite using 'service' and 'slim-configuration'. * gnu/system.scm (file-union): Remove. (other-file-system-services): Adjust to new 'file-system-service' signature. (essential-services): Add #:container? parameter. Add %DMD-ROOT-SERVICE, %ACTIVATION-SERVICE, and calls to 'pam-root-service', 'account-service', 'operating-system-etc-service', and a SETUID-PROGRAM-SERVICE instance. (operating-system-services): Pass #:container? to 'essential-services. (etc-directory): Remove. (operating-system-etc-service): New procedure. Rewrite as a call to 'etc-service'. (operating-system-accounts): Change to not return accounts required by services. (operating-system-etc-directory): Rewrite as a call to 'fold-services' and 'etc-directory'. (user-group->gexp, user-account->gexp, modprobe-wrapper): Remove. (operating-system-activation-script): Rewrite as a call to 'fold-services' and 'activation-service->script'. (operating-system-boot-script): Likewise. (operating-system-derivation): Add call to 'lower-object'. (emacs-site-file, emacs-site-directory, shells-file): Change to use 'computed-file' and 'scheme-file' instead of the monadic procedures. * gnu/system/install.scm (cow-store-service-type): New variable. (cow-store-service): Rewrite using 'service'. (/etc/configuration-files): New procedure. (configuration-template-service-type, %configuration-template-service): New variables. (configuration-template-service): Remove. (installation-services): Adjust accordingly. Adjust argument to 'guix-service'. * gnu/system/linux.scm (/etc-entry, pam-root-service): New procedures. (pam-root-service-type): New variable. * gnu/system/shadow.scm (user-group->gexp, user-account->gexp, account-activation, etc-skel, account-service): New procedures. (account-service-type): New variable. * tests/services.scm: New file. * doc/guix.texi (Base Services, Desktop Services): Adjust accordingly. (Defining Services): Rewrite. * doc/images/service-graph.dot: New file. * doc.am (DOT_FILES): Add it. * po/guix/POTFILES.in: Add gnu/services.scm.
Diffstat (limited to 'gnu/services/xorg.scm')
-rw-r--r--gnu/services/xorg.scm148
1 files changed, 99 insertions, 49 deletions
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index 9c96aab2b8..812cb3f725 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -20,6 +20,7 @@
(define-module (gnu services xorg)
#:use-module (gnu artwork)
#:use-module (gnu services)
+ #:use-module (gnu services dmd)
#:use-module (gnu system linux) ; 'pam-service'
#:use-module ((gnu packages base) #:select (canonical-package))
#:use-module (gnu packages guile)
@@ -212,6 +213,95 @@ which should be passed to this script as the first argument. If not, the
;; contains the actual theme files.
"0.x")
+(define-record-type* <slim-configuration>
+ slim-configuration make-slim-configuration
+ slim-configuration?
+ (slim slim-configuration-slim
+ (default slim))
+ (allow-empty-passwords? slim-configuration-allow-empty-passwords?)
+ (auto-login? slim-configuration-auto-login?)
+ (default-user slim-configuration-default-user)
+ (theme slim-configuration-theme)
+ (theme-name slim-configuration-theme-name)
+ (xauth slim-configuration-xauth
+ (default xauth))
+ (dmd slim-configuration-dmd
+ (default dmd))
+ (bash slim-configuration-bash
+ (default bash))
+ (auto-login-session slim-configuration-auto-login-session)
+ (startx slim-configuration-startx))
+
+(define (slim-pam-service config)
+ "Return a PAM service for @command{slim}."
+ (list (unix-pam-service
+ "slim"
+ #:allow-empty-passwords?
+ (slim-configuration-allow-empty-passwords? config))))
+
+(define (slim-dmd-service config)
+ (define slim.cfg
+ (let ((xinitrc (xinitrc #:fallback-session
+ (slim-configuration-auto-login-session config)))
+ (slim (slim-configuration-slim config))
+ (xauth (slim-configuration-xauth config))
+ (startx (slim-configuration-startx config))
+ (dmd (slim-configuration-dmd config))
+ (theme-name (slim-configuration-theme-name config)))
+ (mixed-text-file "slim.cfg" "
+default_path /run/current-system/profile/bin
+default_xserver " startx "
+xserver_arguments :0 vt7
+xauth_path " xauth "/bin/xauth
+authfile /var/run/slim.auth
+
+# The login command. '%session' is replaced by the chosen session name, one
+# of the names specified in the 'sessions' setting: 'wmaker', 'xfce', etc.
+login_cmd exec " xinitrc " %session
+sessiondir /run/current-system/profile/share/xsessions
+session_msg session (F1 to change):
+
+halt_cmd " dmd "/sbin/halt
+reboot_cmd " dmd "/sbin/reboot\n"
+(if (slim-configuration-auto-login? config)
+ (string-append "auto_login yes\ndefault_user "
+ (slim-configuration-default-user config) "\n")
+ "")
+(if theme-name
+ (string-append "current_theme " theme-name "\n")
+ ""))))
+
+ (define theme
+ (slim-configuration-theme config))
+
+ (list (dmd-service
+ (documentation "Xorg display server")
+ (provision '(xorg-server))
+ (requirement '(user-processes host-name udev))
+ (start
+ #~(lambda ()
+ ;; A stale lock file can prevent SLiM from starting, so remove it to
+ ;; be on the safe side.
+ (false-if-exception (delete-file "/var/run/slim.lock"))
+
+ (fork+exec-command
+ (list (string-append #$slim "/bin/slim") "-nodaemon")
+ #:environment-variables
+ (list (string-append "SLIM_CFGFILE=" #$slim.cfg)
+ #$@(if theme
+ (list #~(string-append "SLIM_THEMESDIR=" #$theme))
+ #~())))))
+ (stop #~(make-kill-destructor))
+ (respawn? #t))))
+
+(define slim-service-type
+ (service-type (name 'slim)
+ (extensions
+ (list (service-extension dmd-root-service-type
+ slim-dmd-service)
+ (service-extension pam-root-service-type
+ slim-pam-service)))))
+
(define* (slim-service #:key (slim slim)
(allow-empty-passwords? #t) auto-login?
(default-user "")
@@ -246,54 +336,14 @@ If @var{theme} is @code{#f}, the use the default log-in theme; otherwise
@var{theme} must be a gexp denoting the name of a directory containing the
theme to use. In that case, @var{theme-name} specifies the name of the
theme."
-
- (define slim.cfg
- (let ((xinitrc (xinitrc #:fallback-session auto-login-session)))
- (mixed-text-file "slim.cfg" "
-default_path /run/current-system/profile/bin
-default_xserver " startx "
-xserver_arguments :0 vt7
-xauth_path " xauth "/bin/xauth
-authfile /var/run/slim.auth
-
-# The login command. '%session' is replaced by the chosen session name, one
-# of the names specified in the 'sessions' setting: 'wmaker', 'xfce', etc.
-login_cmd exec " xinitrc " %session
-sessiondir /run/current-system/profile/share/xsessions
-session_msg session (F1 to change):
-
-halt_cmd " dmd "/sbin/halt
-reboot_cmd " dmd "/sbin/reboot\n"
- (if auto-login?
- (string-append "auto_login yes\ndefault_user " default-user "\n")
- "")
- (if theme-name
- (string-append "current_theme " theme-name "\n")
- ""))))
-
- (service
- (documentation "Xorg display server")
- (provision '(xorg-server))
- (requirement '(user-processes host-name udev))
- (start
- #~(lambda ()
- ;; A stale lock file can prevent SLiM from starting, so remove it
- ;; to be on the safe side.
- (false-if-exception (delete-file "/var/run/slim.lock"))
-
- (fork+exec-command
- (list (string-append #$slim "/bin/slim") "-nodaemon")
- #:environment-variables
- (list (string-append "SLIM_CFGFILE=" #$slim.cfg)
- #$@(if theme
- (list #~(string-append "SLIM_THEMESDIR=" #$theme))
- #~())))))
- (stop #~(make-kill-destructor))
- (respawn? #t)
- (pam-services
- ;; Tell PAM about 'slim'.
- (list (unix-pam-service
- "slim"
- #:allow-empty-passwords? allow-empty-passwords?)))))
+ (service slim-service-type
+ (slim-configuration
+ (slim slim)
+ (allow-empty-passwords? allow-empty-passwords?)
+ (auto-login? auto-login?) (default-user default-user)
+ (theme theme) (theme-name theme-name)
+ (xauth xauth) (dmd dmd) (bash bash)
+ (auto-login-session auto-login-session)
+ (startx startx))))
;;; xorg.scm ends here