services: Add Shepherd 'configuration' action to various services.

* gnu/services/avahi.scm (avahi-shepherd-service): Add 'actions' field.
* gnu/services/base.scm (nscd-actions): Add call to
'shepherd-configuration-action'.
* gnu/services/desktop.scm (upower-shepherd-service): Add 'actions'
field.
(elogind-shepherd-service): Likewise.
* gnu/services/dict.scm (dicod-shepherd-service): Likewise.
* gnu/services/networking.scm (openntpd-shepherd-service): Likewise.
(tor-shepherd-service): Likewise.
* gnu/services/ssh.scm (openssh-shepherd-service): Likewise.
* gnu/services/web.scm (nginx-shepherd-service): Likewise.
* gnu/services/xorg.scm (gdm-shepherd-service): Likewise.
* gnu/tests/base.scm (run-basic-test)["nscd configuration action"]: New
test.
* doc/guix.texi (Services): Document it.

1 files changed, 3 insertions, 1 deletions

diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index 19aba8c266..18d1eb5b8c 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -652,7 +652,8 @@ will keep the system clock synchronized with that of the given servers.")
                      ;; while running, leading shepherd to disable it.  To
                      ;; prevent spamming stderr, redirect output to logfile.
                      #:log-file "/var/log/ntpd.log"))
-           (stop #~(make-kill-destructor))))))
+           (stop #~(make-kill-destructor))
+           (actions (list (shepherd-configuration-action ntpd.conf)))))))
 
 (define (openntpd-service-activation config)
   "Return the activation gexp for CONFIG."
@@ -1032,6 +1033,7 @@ HiddenServicePort ~a ~a~%"
                           (list #$tor "-f" #$torrc)
                           #:user "tor" #:group "tor"))
                 (stop #~(make-kill-destructor))
+                (actions (list (shepherd-configuration-action torrc)))
                 (documentation "Run the Tor anonymous network overlay."))))))))
 
 (define (tor-activation config)