+function setup_installer {
+ installer_get_ssh_keys
+ installer_apply_patches
+}
+
+function get_compute_ip_from_hostname {
+ local compute_host=$1
+
+ if is_set COMPUTE_IP; then
+ echo "Using pre-configured COMPUTE_IP=$COMPUTE_IP ..."
+ return
+ fi
+ COMPUTE_IP=$(getent hosts "$compute_host" | awk '{ print $1 }')
+ die_if_not_set $LINENO COMPUTE_IP \
+ "Could not resolve $compute_host. Either manually set COMPUTE_IP or enable DNS resolution."
+}
+
+function cleanup_installer {