src: replace DEVICE env variable with get_ethernet_interface()

Use a python function to obtain the main net interface. Detect
the first ethernet inferface in use.
Stop using the DEVICE environment variable.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/log.py b/src/log.py
index 9478bb7..13c625a 100644
--- a/src/log.py
+++ b/src/log.py
@@ -9,6 +9,7 @@
 import logging
 import logging.config
 import os
+from src.utils.net import get_ethernet_interface
 
 
 class OgError(Exception):
@@ -67,7 +68,7 @@ def _default_logging_live():
             'samba': {
                 'class': 'logging.FileHandler',
                 'formatter': 'formatter.syslogtime',
-                'filename': f'/opt/opengnsys/log/{getifaddr(os.getenv("DEVICE"))}.log',
+                'filename': f'/opt/opengnsys/log/{getifaddr(get_ethernet_interface())}.log',
             }
         }
     rtlog = {