import getpass
from netmiko import ConnectHandler
from datetime import datetime

# Get credentials
username = raw_input("Username: ")
password = getpass.getpass("User Password: ")
asa_secret = getpass.getpass("ASA Secret Password: ")

# Credential hash table for copying to device tables
credentials = {
        'username': username,
        'password': password,
    }

# Device hash tables
its_asa = {
        'device_type': 'cisco_asa',
        'ip': '172.16.10.1',
        'secret': asa_secret,
    }

# List to include all devices controlled by this script
all_devices = [its_asa]

# This loop will add the entered credentials to everything in the
# 'all_devices' list
for a_device in all_devices:
    a_device.update(credentials)

# Loop that executes command(s) on several devices
start_time = datetime.now()
for a_device in all_devices:
    ios_connect = ConnectHandler(**a_device)
    output = ios_connect.send_command("show version")
    print "\n\n-----> Device {0} <-----".format(a_device['device_type'])
    print output
    print "\n\n-----> END <-----"

end_time = datetime.now()