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| author | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2023-04-12 15:44:02 -0400 |
|---|---|---|
| committer | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2023-04-21 09:04:40 -0400 |
| commit | 2c67e98b37e5b73c6abbadce59698bc4df3ce783 (patch) | |
| tree | 0dbfe579025e8384bf5afa4e54377ba121674fe9 | |
| parent | 1ae279d7c8a4962fedcb3479e551d21991d0ac4a (diff) | |
services: syslog: Add a reload action.
* gnu/services/base.scm (syslog-service-type) [actions]: Add a reload action.
* doc/guix.texi (Base Services): Document it.
| -rw-r--r-- | doc/guix.texi | 12 | ||||
| -rw-r--r-- | gnu/services/base.scm | 16 |
2 files changed, 27 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index adb1975935..53035fd5e9 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -18573,6 +18573,18 @@ Type of the service that runs the syslog daemon, whose value is a @code{<syslog-configuration>} object. @end defvar +To have a modified @code{syslog-configuration} come into effect after +reconfiguring your system, the @samp{reload} action should be preferred +to restarting the service, as many services such as the login manager +depend on it and would be restarted as well: + +@example +# herd reload syslog +@end example + +which will cause the running @command{syslogd} process to reload its +configuration. + @deftp {Data Type} syslog-configuration Data type representing the configuration of the syslog daemon. diff --git a/gnu/services/base.scm b/gnu/services/base.scm index 3b0784ef07..7ef6db8ad4 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -1549,7 +1549,21 @@ Service Switch}, for an example." (documentation "Run the syslog daemon (syslogd).") (provision '(syslogd)) (requirement '(user-processes)) - (actions (list (shepherd-configuration-action syslog.conf))) + (actions + (list (shepherd-configuration-action syslog.conf) + (shepherd-action + (name 'reload) + (documentation "Reload the configuration file from disk.") + (procedure + #~(lambda (pid) + (if pid + (begin + (kill pid SIGHUP) + (display #$(G_ "Service syslog has been asked to \ +reload its settings file."))) + (display #$(G_ "Service syslog is not running.")))))))) + ;; Note: a static file name is used for syslog.conf so that the reload + ;; action work as intended. (start #~(let ((spawn (make-forkexec-constructor (list #$(syslog-configuration-syslogd config) #$(string-append "--rcfile=" syslog.conf)) |