split out config file reading

+ improve ip and no 'network' on display

router.py

@@ -9,7 +9,7 @@ from glob import glob
 from select import select
 from serial import serial_for_url
 from subprocess import Popen, PIPE, check_output, call, DEVNULL
-from configparser import ConfigParser
+from utils import get_config
 
 FIREWALL_CONF = '/etc/nftables.conf'
 
@@ -477,10 +477,6 @@ class Service:
 
 
 if __name__ == '__main__':
-    parser = ConfigParser()
-    cfgfiles = glob('/home/l_samenv/boxtools/cfg/%s_*.cfg' % socket.gethostname())
-    if len(cfgfiles) != 1:
-        raise ValueError('there must be one and only one single cfgfile %r' % cfgfiles)
-    parser.read(cfgfiles[0])
-    if parser.has_section('ROUTER'):
-        Service.run(parser['ROUTER'])
+    routercfg = get_config('ROUTER')
+    if routercfg:
+        Service.run(routercfg)