[CORD-1481] ansible install fix

Change-Id: Ifc34196faee8ba2c35624c77af048c649f040851
diff --git a/scripts/cord-bootstrap.sh b/scripts/cord-bootstrap.sh
index b04ed23..1099239 100644
--- a/scripts/cord-bootstrap.sh
+++ b/scripts/cord-bootstrap.sh
@@ -15,6 +15,7 @@
     sudo apt-get update
     sudo apt-get install -y software-properties-common
     sudo apt-add-repository -y ppa:ansible/ansible
+    sudo apt-get update
     sudo apt-get -y install python-dev libffi-dev python-pip libssl-dev sshpass python-netaddr ansible
     sudo pip install markupsafe
   fi