if FileTest.exist?('/usr/sbin/gnt-cluster') and FileTest.exist?('/var/lib/ganeti/config.data')
begin
if system('/usr/sbin/gnt-cluster getmaster >/dev/null')
if FileTest.exist?('/usr/sbin/gnt-cluster') and FileTest.exist?('/var/lib/ganeti/config.data')
begin
if system('/usr/sbin/gnt-cluster getmaster >/dev/null')