-source /opt/admin-openrc.sh
-wget https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Base-22-20150521.x86_64.qcow2 >/dev/null 2>&1
+openrc=$1
+external_network=$2
+echo "openrc=$openrc"
+echo "external_network=$external_network"
+echo "nameserver 8.8.4.4" >> /etc/resolv.conf
+source $openrc
+
+fedora_img="Fedora-Cloud-Base-22-20150521.x86_64.qcow2"
+if [ ! -f "$fedora_img" ]; then
+ wget https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/${fedora_img} >/dev/null 2>&1
+fi