handle both aaa.bbb.ccc and aaa.ccc cases, refs #21661

tests/test_monitoring.py

@@ -40,7 +40,7 @@ def print_green(txt):
 
 
 host = conf.get('MS_SERVER_NAME')
-suffix = host.split('.')[-1]
+suffix = '.'.join(host.split('.')[1:])
 MUNIN_CHECK_PATH = "/var/cache/munin/www/%s/%s/cpu-day.png" % (suffix, host)
 if not os.path.exists(MUNIN_CHECK_PATH):
     MUNIN_CHECK_PATH = "/var/cache/munin/www/%s/%s/cpu-day.png" % ("localdomain", "localhost.localdomain")