From eb0a11717f7a0bb0f1d6b619a1dddc0eb0d932e3 Mon Sep 17 00:00:00 2001
From: Steve Reed <sreed@zulily.com>
Date: Mon, 15 Dec 2014 14:38:30 -0800
Subject: [PATCH] Look up master node IP address in a loop

---
 cluster/rackspace/util.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/cluster/rackspace/util.sh b/cluster/rackspace/util.sh
index e7b1180b6b1..cbbaeef669c 100644
--- a/cluster/rackspace/util.sh
+++ b/cluster/rackspace/util.sh
@@ -238,7 +238,20 @@ detect-minions() {
 detect-master() {
   KUBE_MASTER=${MASTER_NAME}
 
+  echo "Waiting for ${MASTER_NAME} IP Address."
+  echo
+  echo "  This will continually check to see if the master node has an IP address."
+  echo
+
   KUBE_MASTER_IP=$(nova show $KUBE_MASTER --minimal | grep accessIPv4 | awk '{print $4}')
+
+  while [ "${KUBE_MASTER_IP-|}" == "|" ]; do
+    KUBE_MASTER_IP=$(nova show $KUBE_MASTER --minimal | grep accessIPv4 | awk '{print $4}')
+    printf "."
+    sleep 2
+  done
+
+  echo "${KUBE_MASTER} IP Address is ${KUBE_MASTER_IP}"
 }
 
 # $1 should be the network you would like to get an IP address for