Я новичок в области автоматизации сети и пытаюсь использовать pynt c для s sh для устройства. Я не уверен, как правильно написать код для обработки тайм-аута s sh или ошибки аутентификации и т. Д. c.
Мой код указан ниже:
from pyntc import ntc_device as NTC
from pyntc_devices_list import Get_Devices_List
all_devices = Get_Devices_List()
for device in all_devices:
print('Backing up ' + device['name'])
DEVICE = NTC(host=device['ip'], username=device['username'], password=device['password'], device_type='cisco_ios$
try:
DEVICE.open()
except Exception:
print('Error')
continue
back_config = DEVICE.backup_running_config(device['name'] + '.cfg')
DEVICE.close()
Я вручную выключил это устройство и обнаружил, что python код был завершен:
root@Network-Automation:~/Pyntc# python3 pyntc_error_handling.py
Backing up ESW1
Traceback (most recent call last):
File "/usr/local/lib/python3.5/dist-packages/netmiko/base_connection.py", line 884, in establish_connection
self.remote_conn_pre.connect(**ssh_connect_params)
File "/usr/local/lib/python3.5/dist-packages/paramiko/client.py", line 368, in connect
raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 192.168.122.72
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "pyntc_error_handling.py", line 8, in <module>
DEVICE = NTC(host=device['ip'], username=device['username'], password=device['password'], device_type='cisco_ios_ssh')
File "/usr/local/lib/python3.5/dist-packages/pyntc/__init__.py", line 38, in ntc_device
return device_class(*args, **kwargs)
File "/usr/local/lib/python3.5/dist-packages/pyntc/devices/ios_device.py", line 42, in __init__
self.open()
File "/usr/local/lib/python3.5/dist-packages/pyntc/devices/ios_device.py", line 300, in open
verbose=False,
File "/usr/local/lib/python3.5/dist-packages/netmiko/ssh_dispatcher.py", line 246, in ConnectHandler
return ConnectionClass(*args, **kwargs)
File "/usr/local/lib/python3.5/dist-packages/netmiko/base_connection.py", line 317, in __init__
self._open()
File "/usr/local/lib/python3.5/dist-packages/netmiko/base_connection.py", line 322, in _open
self.establish_connection()
File "/usr/local/lib/python3.5/dist-packages/netmiko/base_connection.py", line 890, in establish_connection
raise NetMikoTimeoutException(msg)
netmiko.ssh_exception.NetMikoTimeoutException: Connection to device timed-out: cisco_ios 192.168.122.72:22
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