SSH shell to Cisco devices

ssh_shell_to_cisco_devices.py

#!/usr/bin/env python

import paramiko
import sys


def send_string_and_wait_for_string(command, wait_string, should_print):
    shell.send(command)
  
    receive_buffer = ""

    while not wait_string in receive_buffer:
        receive_buffer += shell.recv(1024)

    if should_print:
        print receive_buffer

    return receive_buffer

client = paramiko.SSHClient()
client.load_system_host_keys()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect("10.62.62.10", username="testuser", password="testpasswd", look_for_keys=False, allow_agent=False)

shell = client.invoke_shell()
send_string_and_wait_for_string("", "#", False)
send_string_and_wait_for_string("terminal length 0\n", "#", False)
output=send_string_and_wait_for_string("show logging\n", "#", False)
print output
client.close()