From ef2dda8edb2b78cf6a2ffcdac138421b2553aec8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Lassieur?= <clement@lassieur.org>
Date: Mon, 13 Aug 2018 20:37:09 +0200
Subject: [PATCH] services: postgresql: Get the Shepherd to respawn PostgreSQL.
* gnu/services/databases.scm (postgresql-shepherd-service): Change 'start' to
return the PID.
---
gnu/services/databases.scm | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/gnu/services/databases.scm b/gnu/services/databases.scm
index 8ae248ebe4..aff78a0566 100644
--- a/gnu/services/databases.scm
+++ b/gnu/services/databases.scm
@@ -221,13 +221,20 @@ host all all ::1/128 trust"))
(setuid (passwd:uid user))
(execl pg_ctl pg_ctl "-D" #$data-directory "-o" options
mode)))))))
+ (pid-file (in-vicinity data-directory "postmaster.pid"))
(action (lambda args
#~(lambda _
- (invoke #$pg_ctl-wrapper #$@args)))))
+ (invoke #$pg_ctl-wrapper #$@args)
+ (match '#$args
+ (("start")
+ (call-with-input-file #$pid-file read))
+ (_ #t))))))
(list (shepherd-service
(provision '(postgres))
(documentation "Run the PostgreSQL daemon.")
(requirement '(user-processes loopback syslogd))
+ (modules `((ice-9 match)
+ ,@%default-modules))
(start (action "start"))
(stop (action "stop"))))))))