From 449eceec118dfb5b767e4f5db9e80b6f2f120a21 Mon Sep 17 00:00:00 2001
From: Frank Schroeder <frank.schroeder@gmail.com>
Date: Mon, 22 May 2017 23:59:54 +0200
Subject: [PATCH] agent: shutdown delegate if created

When the TestAgent shuts down a half-started agent
the delegate may not have been created at this point.
---
 command/agent/agent.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/command/agent/agent.go b/command/agent/agent.go
index 286e0a6ac..3af539e4c 100644
--- a/command/agent/agent.go
+++ b/command/agent/agent.go
@@ -1011,8 +1011,11 @@ func (a *Agent) Shutdown() error {
 		chk.Stop()
 	}
 
-	err := a.delegate.Shutdown()
-	a.logger.Print("[DEBUG] agent: delegate down")
+	var err error
+	if a.delegate != nil {
+		err = a.delegate.Shutdown()
+		a.logger.Print("[DEBUG] agent: delegate down")
+	}
 
 	pidErr := a.deletePid()
 	if pidErr != nil {