diff options
Diffstat (limited to 'src/conf_mode/system_console.py')
| -rwxr-xr-x | src/conf_mode/system_console.py | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/conf_mode/system_console.py b/src/conf_mode/system_console.py index a3e450a36..6d60a9d4d 100755 --- a/src/conf_mode/system_console.py +++ b/src/conf_mode/system_console.py @@ -22,6 +22,8 @@ from vyos.template import render from vyos import ConfigError, airbag airbag.enable() +by_bus_dir = '/dev/serial/by-bus' + def get_config(): conf = Config() base = ['system', 'console'] @@ -50,10 +52,11 @@ def get_config(): # getty, but that name may change across reboots - depending on the # amount of connected devices. We will resolve the fixed device name # to its dynamic device file - and create a new dict entry for it. - # - # updating the dict must come as last step in the loop! - tmp = os.path.basename(os.readlink('/dev/serial/by-bus/usb0b1p1.0')) - console['device'][tmp] = console['device'].pop(device) + by_bus_device = f'{by_bus_dir}/{device}' + if os.path.isdir(by_bus_dir) and os.path.exists(by_bus_device): + tmp = os.path.basename(os.readlink(by_bus_device)) + # updating the dict must come as last step in the loop! + console['device'][tmp] = console['device'].pop(device) return console @@ -91,7 +94,10 @@ def apply(console): # Start getty process on configured serial interfaces for device in console['device'].keys(): - call(f'systemctl start serial-getty@{device}.service') + # Only start console if it exists on the running system. If a user + # detaches a USB serial console and reboots - it should not fail! + if os.path.exists(f'/dev/{device}'): + call(f'systemctl start serial-getty@{device}.service') return None |