From 29b20fd528856c3bf17bb79440143c454f9012fb Mon Sep 17 00:00:00 2001
From: dmurnane <danieltm@gmail.com>
Date: Wed, 15 Jul 2020 06:29:26 -0400
Subject: [PATCH] Notify systemd on sentinel startup (#7168)

Co-authored-by: Daniel Murnane <dmurnane@eitccorp.com>
(cherry picked from commit 9242ccf238cbed018eb3a7fa3a437618345dd52b)
---
 src/server.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/server.c b/src/server.c
index 1f794e4ed..9c2126bc0 100644
--- a/src/server.c
+++ b/src/server.c
@@ -5198,6 +5198,10 @@ int main(int argc, char **argv) {
     } else {
         InitServerLast();
         sentinelIsRunning();
+        if (server.supervised_mode == SUPERVISED_SYSTEMD) {
+            redisCommunicateSystemd("STATUS=Ready to accept connections\n");
+            redisCommunicateSystemd("READY=1\n");
+        }
     }
 
     /* Warning the user about suspicious maxmemory setting. */