#!/usr/bin/env python

from getpass import getpass
from netmiko import ConnectHandler
from netmiko.ssh_exception import NetMikoTimeoutException
from paramiko.ssh_exception import SSHException
from netmiko.ssh_exception import AuthenticationException

username = input('Enter your SSH username: ')
password = getpass()

devicelist = ['10.0.1.202',
              '10.0.1.203',
              '10.0.1.204',
              '10.0.1.205',
              '10.0.1.206'
              ]

for devices in devicelist:
    print ('Connecting to device" ' + devices)
    ip_address_of_device = devices
    ios_device = {
        'device_type': 'cisco_ios',
        'ip': ip_address_of_device, 
        'username': username,
        'password': password
    }

    try:
        net_connect = ConnectHandler(**ios_device)
    except (AuthenticationException):
        print ('Authentication failure: ' + ip_address_of_device)
        continue
    except (NetMikoTimeoutException):
        print ('Timeout to device: ' + ip_address_of_device)
        continue
    except (EOFError):
        print ('End of file while attempting device ' + ip_address_of_device)
        continue
    except (SSHException):
        print ('SSH Issue. Are you sure SSH is enabled? ' + ip_address_of_device)
        continue
    except Exception as unknown_error:
        print ('Some other error: ' + str(unknown_error))
        continue

    #---- Use CLI command to get configuration data from device
    print ('---- Getting configuration from device')
    config_data = net_connect.send_command('show run')

     #---- Write out configuration information to file
    config_filename = 'config-' + devices  # Important - create unique configuration file name

    print ('---- Writing configuration: ', config_filename)
    with open( config_filename, 'w' ) as config_out:  config_out.write( config_data )

    net_connect.disconnect()