From 0adfe95a3eee335847c3127edde3de550e692440 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Thu, 17 Sep 2015 23:44:26 +0200 Subject: 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 (): Replace with new record 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 (): 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. (): 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'. (): 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 (): 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. (): New record type. (upower-configuration-file): Replace keyword parameters with single 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'. (): 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]: 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. (): New record type. * gnu/services/lirc.scm (): 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 (): 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'. (): 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'. (): 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 (): 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 (): 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 (): 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. --- gnu/services/xorg.scm | 148 +++++++++++++++++++++++++++++++++----------------- 1 file changed, 99 insertions(+), 49 deletions(-) (limited to 'gnu/services/xorg.scm') 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 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 -- cgit 1.4.1