diff options
Diffstat (limited to 'gnu/services/base.scm')
| -rw-r--r-- | gnu/services/base.scm | 256 |
1 files changed, 151 insertions, 105 deletions
diff --git a/gnu/services/base.scm b/gnu/services/base.scm index 8e30bcd341..1ad7c2320a 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -817,7 +817,7 @@ the message of the day, among other things." agetty-configuration? (agetty agetty-configuration-agetty ;<package> (default util-linux)) - (tty agetty-configuration-tty) ;string + (tty agetty-configuration-tty) ;string | #f (term agetty-term ;string | #f (default #f)) (baud-rate agetty-baud-rate ;string | #f @@ -890,6 +890,40 @@ the message of the day, among other things." ;;; (default #f)) ) +(define (default-serial-port) + "Return a gexp that determines a reasonable default serial port +to use as the tty. This is primarily useful for headless systems." + #~(begin + ;; console=device,options + ;; device: can be tty0, ttyS0, lp0, ttyUSB0 (serial). + ;; options: BBBBPNF. P n|o|e, N number of bits, + ;; F flow control (r RTS) + (let* ((not-comma (char-set-complement (char-set #\,))) + (command (linux-command-line)) + (agetty-specs (find-long-options "agetty.tty" command)) + (console-specs (filter (lambda (spec) + (and (string-prefix? "tty" spec) + (not (or + (string-prefix? "tty0" spec) + (string-prefix? "tty1" spec) + (string-prefix? "tty2" spec) + (string-prefix? "tty3" spec) + (string-prefix? "tty4" spec) + (string-prefix? "tty5" spec) + (string-prefix? "tty6" spec) + (string-prefix? "tty7" spec) + (string-prefix? "tty8" spec) + (string-prefix? "tty9" spec))))) + (find-long-options "console" command))) + (specs (append agetty-specs console-specs))) + (match specs + (() #f) + ((spec _ ...) + ;; Extract device name from first spec. + (match (string-tokenize spec not-comma) + ((device-name _ ...) + device-name))))))) + (define agetty-shepherd-service (match-lambda (($ <agetty-configuration> agetty tty term baud-rate auto-login @@ -900,8 +934,9 @@ the message of the day, among other things." erase-characters kill-characters chdir delay nice extra-options) (list (shepherd-service + (modules '((ice-9 match) (gnu build linux-boot))) (documentation "Run agetty on a tty.") - (provision (list (symbol-append 'term- (string->symbol tty)))) + (provision (list (symbol-append 'term- (string->symbol (or tty "auto"))))) ;; 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 @@ -909,113 +944,119 @@ the message of the day, among other things." ;; 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") - #~()) + (start #~(let ((tty #$(default-serial-port))) + (if tty + (make-forkexec-constructor + (list #$(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) - #~())))) + #$@(if local-line + #~(#$(match local-line + ('auto "--local-line=auto") + ('always "--local-line=always") + ('never "-local-line=never"))) + #~()) + #$@(if tty + #~() + #~("--keep-baud")) + #$@(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) + #~()) + #$@(if login-pause? + #~("--login-pause") + #~()) + #$(or tty (default-serial-port)) + #$@(if baud-rate + #~(#$baud-rate) + #~()) + #$@(if term + #~(#$term) + #~())))) + (const #f))) ; never start. (stop #~(make-kill-destructor))))))) (define agetty-service-type @@ -2012,6 +2053,11 @@ This service is not part of @var{%base-services}." (cons tty %default-console-font)) '("tty1" "tty2" "tty3" "tty4" "tty5" "tty6"))) + (agetty-service (agetty-configuration + (extra-options '("-L")) ; no carrier detect + (term "vt100") + (tty #f))) ; automatic + (mingetty-service (mingetty-configuration (tty "tty1"))) (mingetty-service (mingetty-configuration |