From 88dca5643895956afe10e9e40b135b400472e9e0 Mon Sep 17 00:00:00 2001
From: wizard <wizard_cxy@hotmail.com>
Date: Fri, 27 Mar 2015 15:13:43 +0800
Subject: [PATCH] fix bug in single ubuntu node configuration

---
 cluster/ubuntu-cluster/configure.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/cluster/ubuntu-cluster/configure.sh b/cluster/ubuntu-cluster/configure.sh
index 75180f0ea18..fc724e42cdc 100755
--- a/cluster/ubuntu-cluster/configure.sh
+++ b/cluster/ubuntu-cluster/configure.sh
@@ -143,7 +143,6 @@ do
     mm[$i]=$name
     let ii++
 done
-echo 
 
 # input node IPs
 while true; do
@@ -168,7 +167,13 @@ while true; do
             sed -i "s/MASTER_IP/${masterIP}/g" default_scripts/kube-proxy        
             
             # For master set MINION IPs in kube-controller-manager
-	        minionIPs="$minionIPs,$myIP"
+            if [ -z "$minionIPs" ]; then
+                #one node act as both minion and master role
+                minionIPs="$myIP"
+            else
+                minionIPs="$minionIPs,$myIP"
+            fi
+
 	        sed -i "s/MINION_IPS/${minionIPs}/g" default_scripts/kube-controller-manager
 	        
 	        cpMaster