From 7659bbb1b26e578592b7749050f521754324b0a3 Mon Sep 17 00:00:00 2001
From: Xiang Li <xiangli.cs@gmail.com>
Date: Fri, 2 Oct 2015 13:39:41 -0700
Subject: [PATCH] etcdmain: print out error and suggestion for fixing notify
 issue

---
 etcdmain/etcd.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/etcdmain/etcd.go b/etcdmain/etcd.go
index 73fde51e1..b2666af47 100644
--- a/etcdmain/etcd.go
+++ b/etcdmain/etcd.go
@@ -175,7 +175,10 @@ func Main() {
 		// for less than one second.
 		err := daemon.SdNotify("READY=1")
 		if err != nil {
-			plog.Errorf("failed to notify systemd for readiness")
+			plog.Errorf("failed to notify systemd for readiness: %v", err)
+			if err == daemon.SdNotifyNoSocket {
+				plog.Errorf("forgot to set Type=notify in systemd service file?")
+			}
 		}
 	}