don't assume there's a system node installed
don't assume there's a system node installed

Signed-off-by: Andrei Neculau <50a9694887e92a7439eea9db845ccb66fd30b3ff@gmail.com>

tobiipro/support-firecloud,tobiipro/support-firecloud,tobiipro/support-firecloud,tobiipro/support-firecloud