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authorMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-10-28 11:05:03 -0400
committerMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-11-15 16:26:16 -0500
commit9b21cd2e9a614f1937769caf3917a791b151d841 (patch)
tree08071e907de6fbd7a6b296bebd1479d120768707 /gnu/home/services
parent543d971ed2a1d9eb934af1f51930741d7cc4e7ef (diff)
services: mcron: Add log? and log-format fields to mcron-configuration.
* gnu/services/mcron.scm (list-of-gexps?): New predicate. (mcron-configuration): Rewrite using define-configuration. [log?, log-format]: New fields. (mcron-shepherd-services): Invoke mcron with the --log and --log-format arguments when log? is #t, (generate-doc): New procedure. * doc/guix.texi (Scheduled Job Execution): Update doc. (Mcron Home Service): Likewise. * gnu/home/services/mcron.scm: Keep in sync with the above changes to gnu/services/mcron.scm.
Diffstat (limited to 'gnu/home/services')
-rw-r--r--gnu/home/services/mcron.scm47
1 files changed, 36 insertions, 11 deletions
diff --git a/gnu/home/services/mcron.scm b/gnu/home/services/mcron.scm
index 0b3dbb810b..1d294a997c 100644
--- a/gnu/home/services/mcron.scm
+++ b/gnu/home/services/mcron.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Andrew Tropin <andrew@trop.in>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
+;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -20,6 +21,7 @@
(define-module (gnu home services mcron)
#:use-module (gnu packages guile-xyz)
#:use-module (gnu home services)
+ #:use-module (gnu services configuration)
#:use-module (gnu services shepherd)
#:use-module (gnu home services shepherd)
#:use-module (guix records)
@@ -53,13 +55,23 @@
;;
;;; Code:
-(define-record-type* <home-mcron-configuration> home-mcron-configuration
- make-home-mcron-configuration
- home-mcron-configuration?
- (package home-mcron-configuration-package ; package
- (default mcron))
- (jobs home-mcron-configuration-jobs ; list of jobs
- (default '())))
+(define list-of-gexps?
+ (list-of gexp?))
+
+(define-configuration/no-serialization home-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 (@@ (gnu services mcron) job-files))
(define shepherd-schedule-action
@@ -69,19 +81,23 @@
(match-lambda
(($ <home-mcron-configuration> mcron '()) ; no jobs to run
'())
- (($ <home-mcron-configuration> mcron jobs)
+ (($ <home-mcron-configuration> mcron jobs log? log-format)
(let ((files (job-files mcron jobs)))
(list (shepherd-service
(documentation "User cron jobs.")
(provision '(mcron))
(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 #$(file-append mcron "/bin/mcron") #$@files)
+ (list (string-append #$mcron "/bin/mcron")
+ #$@(if log?
+ #~("--log" "--log-format" #$log-format)
+ #~())
+ #$@files)
#:log-file (string-append
(or (getenv "XDG_LOG_HOME")
(format #f "~a/.local/var/log"
@@ -91,7 +107,7 @@
(actions
(list (shepherd-schedule-action mcron files)))))))))
-(define home-mcron-profile (compose list home-mcron-configuration-package))
+(define home-mcron-profile (compose list home-mcron-configuration-mcron))
(define (home-mcron-extend config jobs)
(home-mcron-configuration
@@ -113,3 +129,12 @@
(default-value (home-mcron-configuration))
(description
"Install and configure the GNU mcron cron job manager.")))
+
+
+;;;
+;;; Generate documentation.
+;;;
+(define (generate-doc)
+ (configuration->documentation 'home-mcron-configuration))
+
+;;; mcron.scm ends here