diff options
Diffstat (limited to 'gnu/services/mcron.scm')
| -rw-r--r-- | gnu/services/mcron.scm | 47 |
1 files changed, 36 insertions, 11 deletions
diff --git a/gnu/services/mcron.scm b/gnu/services/mcron.scm index 23760ebda4..52332d6123 100644 --- a/gnu/services/mcron.scm +++ b/gnu/services/mcron.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -18,6 +19,7 @@ (define-module (gnu services mcron) #:use-module (gnu services) + #:use-module (gnu services configuration) #:use-module (gnu services shepherd) #:use-module (gnu packages guile-xyz) #:use-module (guix deprecation) @@ -30,6 +32,8 @@ mcron-configuration? mcron-configuration-mcron mcron-configuration-jobs + mcron-configuration-log? + mcron-configuration-log-format mcron-service-type)) @@ -48,13 +52,23 @@ ;;; ;;; Code: -(define-record-type* <mcron-configuration> mcron-configuration - make-mcron-configuration - mcron-configuration? - (mcron mcron-configuration-mcron ;file-like - (default mcron)) - (jobs mcron-configuration-jobs ;list of <mcron-job> - (default '()))) +(define list-of-gexps? + (list-of gexp?)) + +(define-configuration/no-serialization mcron-configuration + (mcron (file-like mcron) "The mcron package to use.") + (jobs + (list-of-gexps '()) + "This is a list of gexps (@pxref{G-Expressions}), where each gexp +corresponds to an mcron job specification (@pxref{Syntax, mcron job +specifications,, mcron, GNU@tie{}mcron}).") + (log? (boolean #t) "Log messages to standard output.") + (log-format + (string "~1@*~a ~a: ~a~%") + "@code{(ice-9 format)} format string for log messages. The default value +produces messages like \"@samp{@var{pid} @var{name}: +@var{message}\"} (@pxref{Invoking mcron, Invoking,, mcron, GNU@tie{}mcron}). +Each message is also prefixed by a timestamp by GNU Shepherd.")) (define (job-files mcron jobs) "Return a list of file-like object for JOBS, a list of gexps." @@ -124,21 +138,25 @@ files." (define mcron-shepherd-services (match-lambda - (($ <mcron-configuration> mcron ()) ;nothing to do! + (($ <mcron-configuration> mcron ()) ;nothing to do! '()) - (($ <mcron-configuration> mcron jobs) + (($ <mcron-configuration> mcron jobs log? log-format) (let ((files (job-files mcron jobs))) (list (shepherd-service (provision '(mcron)) (requirement '(user-processes)) (modules `((srfi srfi-1) (srfi srfi-26) - (ice-9 popen) ;for the 'schedule' action + (ice-9 popen) ;for the 'schedule' action (ice-9 rdelim) (ice-9 match) ,@%default-modules)) (start #~(make-forkexec-constructor - (list (string-append #$mcron "/bin/mcron") #$@files) + (list (string-append #$mcron "/bin/mcron") + #$@(if log? + #~("--log" "--log-format" #$log-format) + #~()) + #$@files) ;; Disable auto-compilation of the job files and set a ;; sane value for 'PATH'. @@ -172,4 +190,11 @@ files." jobs))))) (default-value (mcron-configuration)))) ;empty job list + +;;; +;;; Generate documentation. +;;; +(define (generate-doc) + (configuration->documentation 'mcron-configuration)) + ;;; mcron.scm ends here |