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authorLeo Famulari <leo@famulari.name>2017-02-14 11:28:04 -0500
committerLeo Famulari <leo@famulari.name>2017-03-05 03:41:32 -0500
commit9ee4c9ab6f1aa6592a234918dc3946e79317c6dd (patch)
treece57e9b484c3faea945b0302c1f1beeb28e4fbba /gnu/services/base.scm
parenta78e0bda99fed71e43f5dd3a64e5613bd808fa92 (diff)
downloadguix-9ee4c9ab6f1aa6592a234918dc3946e79317c6dd.tar
guix-9ee4c9ab6f1aa6592a234918dc3946e79317c6dd.tar.gz
services: Add agetty service.
* gnu/services/base.scm (<agetty-configuration>): New record type. (agetty-shepherd-service, agetty-service): New procedures. (agetty-service-type): New variable. * doc/guix.texi (Base Services): Document it. [mingetty-configuration],[kmscon-configuration]: Specify the types of supported consoles.
Diffstat (limited to 'gnu/services/base.scm')
-rw-r--r--gnu/services/base.scm222
1 files changed, 222 insertions, 0 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index 7ae815d4b5..5298a11f63 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -38,6 +38,7 @@
#:select (canonical-package glibc))
#:use-module (gnu packages bash)
#:use-module (gnu packages package-management)
+ #:use-module (gnu packages linux)
#:use-module (gnu packages lsof)
#:use-module (gnu packages terminals)
#:use-module ((gnu build file-systems)
@@ -74,6 +75,11 @@
login-service-type
login-service
+ agetty-configuration
+ agetty-configuration?
+ agetty-service
+ agetty-service-type
+
mingetty-configuration
mingetty-configuration?
mingetty-service
@@ -730,6 +736,222 @@ Return a service that sets up Unicode support in @var{tty} and loads
the message of the day, among other things."
(service login-service-type config))
+(define-record-type* <agetty-configuration>
+ agetty-configuration make-agetty-configuration
+ agetty-configuration?
+ (agetty agetty-configuration-agetty ;<package>
+ (default util-linux))
+ (tty agetty-configuration-tty) ;string
+ (term agetty-term ;string | #f
+ (default #f))
+ (baud-rate agetty-baud-rate ;string | #f
+ (default #f))
+ (auto-login agetty-auto-login ;list of strings | #f
+ (default #f))
+ (login-program agetty-login-program ;gexp
+ (default (file-append shadow "/bin/login")))
+ (login-pause? agetty-login-pause? ;Boolean
+ (default #f))
+ (eight-bits? agetty-eight-bits? ;Boolean
+ (default #f))
+ (no-reset? agetty-no-reset? ;Boolean
+ (default #f))
+ (remote? agetty-remote? ;Boolean
+ (default #f))
+ (flow-control? agetty-flow-control? ;Boolean
+ (default #f))
+ (host agetty-host ;string | #f
+ (default #f))
+ (no-issue? agetty-no-issue? ;Boolean
+ (default #f))
+ (init-string agetty-init-string ;string | #f
+ (default #f))
+ (no-clear? agetty-no-clear? ;Boolean
+ (default #f))
+ (local-line agetty-local-line ;always | never | auto
+ (default #f))
+ (extract-baud? agetty-extract-baud? ;Boolean
+ (default #f))
+ (skip-login? agetty-skip-login? ;Boolean
+ (default #f))
+ (no-newline? agetty-no-newline? ;Boolean
+ (default #f))
+ (login-options agetty-login-options ;string | #f
+ (default #f))
+ (chroot agetty-chroot ;string | #f
+ (default #f))
+ (hangup? agetty-hangup? ;Boolean
+ (default #f))
+ (keep-baud? agetty-keep-baud? ;Boolean
+ (default #f))
+ (timeout agetty-timeout ;integer | #f
+ (default #f))
+ (detect-case? agetty-detect-case? ;Boolean
+ (default #f))
+ (wait-cr? agetty-wait-cr? ;Boolean
+ (default #f))
+ (no-hints? agetty-no-hints? ;Boolean
+ (default #f))
+ (no-hostname? agetty-no hostname? ;Boolean
+ (default #f))
+ (long-hostname? agetty-long-hostname? ;Boolean
+ (default #f))
+ (erase-characters agetty-erase-characters ;string | #f
+ (default #f))
+ (kill-characters agetty-kill-characters ;string | #f
+ (default #f))
+ (chdir agetty-chdir ;string | #f
+ (default #f))
+ (delay agetty-delay ;integer | #f
+ (default #f))
+ (nice agetty-nice ;integer | #f
+ (default #f))
+ ;; "Escape hatch" for passing arbitrary command-line arguments.
+ (extra-options agetty-extra-options ;list of strings
+ (default '()))
+;;; XXX Unimplemented for now!
+;;; (issue-file agetty-issue-file ;file-like
+;;; (default #f))
+ )
+
+(define agetty-shepherd-service
+ (match-lambda
+ (($ <agetty-configuration> agetty tty term baud-rate auto-login
+ login-program login-pause? eight-bits? no-reset? remote? flow-control?
+ host no-issue? init-string no-clear? local-line extract-baud?
+ skip-login? no-newline? login-options chroot hangup? keep-baud? timeout
+ detect-case? wait-cr? no-hints? no-hostname? long-hostname?
+ erase-characters kill-characters chdir delay nice extra-options)
+ (list
+ (shepherd-service
+ (documentation "Run agetty on a tty.")
+ (provision (list (symbol-append 'term- (string->symbol tty))))
+
+ ;; Since the login prompt shows the host name, wait for the 'host-name'
+ ;; service to be done. Also wait for udev essentially so that the tty
+ ;; text is not lost in the middle of kernel messages (see also
+ ;; mingetty-shepherd-service).
+ (requirement '(user-processes host-name udev))
+
+ (start #~(make-forkexec-constructor
+ (list #$(file-append util-linux "/sbin/agetty")
+ #$@extra-options
+ #$@(if eight-bits?
+ #~("--8bits")
+ #~())
+ #$@(if no-reset?
+ #~("--noreset")
+ #~())
+ #$@(if remote?
+ #~("--remote")
+ #~())
+ #$@(if flow-control?
+ #~("--flow-control")
+ #~())
+ #$@(if host
+ #~("--host" #$host)
+ #~())
+ #$@(if no-issue?
+ #~("--noissue")
+ #~())
+ #$@(if init-string
+ #~("--init-string" #$init-string)
+ #~())
+ #$@(if no-clear?
+ #~("--noclear")
+ #~())
+;;; FIXME This doesn't work as expected. According to agetty(8), if this option
+;;; is not passed, then the default is 'auto'. However, in my tests, when that
+;;; option is selected, agetty never presents the login prompt, and the
+;;; term-ttyS0 service respawns every few seconds.
+ #$@(if local-line
+ #~(#$(match local-line
+ ('auto "--local-line=auto")
+ ('always "--local-line=always")
+ ('never "-local-line=never")))
+ #~())
+ #$@(if extract-baud?
+ #~("--extract-baud")
+ #~())
+ #$@(if skip-login?
+ #~("--skip-login")
+ #~())
+ #$@(if no-newline?
+ #~("--nonewline")
+ #~())
+ #$@(if login-options
+ #~("--login-options" #$login-options)
+ #~())
+ #$@(if chroot
+ #~("--chroot" #$chroot)
+ #~())
+ #$@(if hangup?
+ #~("--hangup")
+ #~())
+ #$@(if keep-baud?
+ #~("--keep-baud")
+ #~())
+ #$@(if timeout
+ #~("--timeout" #$(number->string timeout))
+ #~())
+ #$@(if detect-case?
+ #~("--detect-case")
+ #~())
+ #$@(if wait-cr?
+ #~("--wait-cr")
+ #~())
+ #$@(if no-hints?
+ #~("--nohints?")
+ #~())
+ #$@(if no-hostname?
+ #~("--nohostname")
+ #~())
+ #$@(if long-hostname?
+ #~("--long-hostname")
+ #~())
+ #$@(if erase-characters
+ #~("--erase-chars" #$erase-characters)
+ #~())
+ #$@(if kill-characters
+ #~("--kill-chars" #$kill-characters)
+ #~())
+ #$@(if chdir
+ #~("--chdir" #$chdir)
+ #~())
+ #$@(if delay
+ #~("--delay" #$(number->string delay))
+ #~())
+ #$@(if nice
+ #~("--nice" #$(number->string nice))
+ #~())
+ #$@(if auto-login
+ (list "--autologin" auto-login)
+ '())
+ #$@(if login-program
+ #~("--login-program" #$login-program)
+ #~())
+ #$@(if login-pause?
+ #~("--login-pause")
+ #~())
+ #$tty
+ #$@(if baud-rate
+ #~(#$baud-rate)
+ #~())
+ #$@(if term
+ #~(#$term)
+ #~()))))
+ (stop #~(make-kill-destructor)))))))
+
+(define agetty-service-type
+ (service-type (name 'agetty)
+ (extensions (list (service-extension shepherd-root-service-type
+ agetty-shepherd-service)))))
+
+(define* (agetty-service config)
+ "Return a service to run agetty according to @var{config}, which specifies
+the tty to run, among other things."
+ (service agetty-service-type config))
+
(define-record-type* <mingetty-configuration>
mingetty-configuration make-mingetty-configuration
mingetty-configuration?