+if [ ! -d ${CONFIG_DIR} ]; then
+ echo >&2 "Please create a '${CONFIG_DIR}' with initial values, as described in"
+ echo >&2 " * https://doc.arvados.org/install/salt-single-host.html#single_host, or"
+ echo >&2 " * https://doc.arvados.org/install/salt-multi-host.html#multi_host_multi_hostnames"
+ exit 1
+fi
+