add update before salt-minion install
Change-Id: Ibc952d9780060a171bc92ee0f910b3c04f973796
diff --git a/ubuntu-16.04/scripts/salt.sh b/ubuntu-16.04/scripts/salt.sh
index a3c97b7..da25af5 100644
--- a/ubuntu-16.04/scripts/salt.sh
+++ b/ubuntu-16.04/scripts/salt.sh
@@ -1,4 +1,5 @@
wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3/SALTSTACK-GPG-KEY.pub | sudo apt-key add -
echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3 xenial main" >/etc/apt/sources.list.d/saltstack.list
+apt-get update
apt-get -y install salt-minion
mkdir -m700 -p /etc/salt/pki/minion