GNU bug report logs - #58405
[PATCH] services: nginx: Add reload action

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From: EuAndreh <eu <at> euandre.org>
To: 58405 <at> debbugs.gnu.org
Cc: EuAndreh <eu <at> euandre.org>
Subject: [bug#58405] [PATCH] services: nginx: Add reload action
Date: Mon, 10 Oct 2022 01:39:32 -0300

In a new "reload" shepherd-action, send a SIGHUP to the NGINX master
process, so that it can re-read the configuration file and start new
worker processes.

* gnu/services/web.scm (nginx-shepherd-service): Add the "reload"
  shepherd-action
---
 gnu/services/web.scm | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/gnu/services/web.scm b/gnu/services/web.scm
index e5ab1a1180..227a577de3 100644
--- a/gnu/services/web.scm
+++ b/gnu/services/web.scm
@@ -807,7 +807,6 @@ (define (nginx-shepherd-service config)
                           #~#t
                           #~(read-pid-file #$pid-file))))))))
 
-     ;; TODO: Add 'reload' action.
      (list (shepherd-service
             (provision '(nginx))
             (documentation "Run the nginx daemon.")
@@ -815,7 +814,19 @@ (define (nginx-shepherd-service config)
             (modules `((ice-9 match)
                        ,@%default-modules))
             (start (nginx-action "-p" run-directory))
-            (stop (nginx-action "-s" "stop")))))))
+            (stop (nginx-action "-s" "stop"))
+            (actions
+              (list
+               (shepherd-action
+                 (name 'reload)
+                 (documentation "Reload NGINX configuration file and restart worker processes.")
+                 (procedure
+                   #~(lambda (pid)
+                       (if pid
+                         (begin
+                           (kill pid SIGHUP)
+                           (format #t "Service NGINX (PID ~a) has been reloaded." pid))
+                         (format #t "Service NGINX is not running."))))))))))))
 
 (define nginx-service-type
   (service-type (name 'nginx)
-- 
2.37.3

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