* doc/guix.texi (Scheduled Job Execution): Document it.
* gnu/services/mcron.scm (mcron-configuration)[log-file, date-format]: New field.
(mcron-shepherd-services): Add log-file and date-format support.
Use file-append instead of string-append.
---
doc/guix.texi | 6 ++++++
gnu/services/mcron.scm | 31 +++++++++++++++++++++++++------
2 files changed, 31 insertions(+), 6 deletions(-)
Toggle diff (116 lines)
diff --git a/doc/guix.texi b/doc/guix.texi
index 45d96b8fbb..6d47d36d22 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -19347,12 +19347,18 @@ Scheduled Job Execution
@item @code{log?} (default: @code{#t}) (type: boolean)
Log messages to standard output.
+@item @code{log-file} (default: @code{"/var/log/mcron.log"}) (type: string)
+Log file location.
+
@item @code{log-format} (default: @code{"~1@@*~a ~a: ~a~%"}) (type: string)
@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.
+@item @code{date-format} (type: maybe-string)
+@code{(srfi srfi-19)} format string for date.
+
@end table
@end deftp
@c %end of fragment
diff --git a/gnu/services/mcron.scm b/gnu/services/mcron.scm
index 9f3afecf62..dac213358c 100644
--- a/gnu/services/mcron.scm
+++ b/gnu/services/mcron.scm
@@ -1,6 +1,7 @@
;;; 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>
+;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -33,7 +34,9 @@ (define-module (gnu services mcron)
mcron-configuration-mcron
mcron-configuration-jobs
mcron-configuration-log?
+ mcron-configuration-log-file
mcron-configuration-log-format
+ mcron-configuration-date-format
mcron-service-type))
@@ -55,6 +58,8 @@ (define-module (gnu services mcron)
(define list-of-gexps?
(list-of gexp?))
+(define-maybe/no-serialization string)
+
(define-configuration/no-serialization mcron-configuration
(mcron
(file-like mcron)
@@ -70,12 +75,20 @@ (define-configuration/no-serialization mcron-configuration
(boolean #t)
"Log messages to standard output.")
+ (log-file
+ (string "/var/log/mcron.log")
+ "Log file location.")
+
(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."))
+Each message is also prefixed by a timestamp by GNU Shepherd.")
+
+ (date-format
+ maybe-string
+ "@code{(srfi srfi-19)} format string for date."))
(define (job-files mcron jobs)
"Return a list of file-like object for JOBS, a list of gexps."
@@ -144,7 +157,9 @@ (define (shepherd-schedule-action mcron files)
(loop)))))))))
(define (mcron-shepherd-services config)
- (match-record config <mcron-configuration> (mcron jobs log? log-format)
+ (match-record config <mcron-configuration> (mcron jobs
+ log? log-file log-format
+ date-format)
(if (eq? jobs '())
'() ; nothing to do
(let ((files (job-files mcron jobs)))
@@ -158,10 +173,14 @@ (define (mcron-shepherd-services config)
(ice-9 match)
,@%default-modules))
(start #~(make-forkexec-constructor
- (list (string-append #$mcron "/bin/mcron")
+ (list #$(file-append mcron "/bin/mcron")
#$@(if log?
- #~("--log" "--log-format" #$log-format)
- #~())
+ `("--log" "--log-format" ,log-format
+ ,@(if (maybe-value-set? date-format)
+ (list "--date-format"
+ date-format)
+ '()))
+ '())
#$@files)
;; Disable auto-compilation of the job files and
@@ -172,7 +191,7 @@ (define (mcron-shepherd-services config)
(remove (cut string-prefix? "PATH=" <>)
(environ)))
- #:log-file "/var/log/mcron.log"))
+ #:log-file #$log-file))
(stop #~(make-kill-destructor))
(actions
(list (shepherd-schedule-action mcron files)))))))))
--
2.39.1
