ssh-show_version.py

#####Original script taken from https://pynet.twb-tech.com/
######Written by:
######Kirk Byers
######CCIE #6243
######Twitter: @kirkbyers
######https://pynet.twb-tech.com/
######
######Garry Baker @networkbaker 
######Made addtions as needed want to thank Kirk Byers for base script
######additions started 24JUNE2014

import paramiko
import time
import csv

def disable_paging(remote_conn):
    '''Disable paging on a Cisco router'''

    remote_conn.send("terminal length 0\n")
    time.sleep(1)

    # Clear the buffer on the screen
    output = remote_conn.recv(1000)

    return output


if __name__ == '__main__':


    # VARIABLES THAT NEED CHANGED
    #ip = '192.168.100.6'
    #username = 'user'
    #password = 'pass'
    ##addedd 14JUNE2014 interactive input for ip,user,password
    ip = input("Enter IP address:'1.1.1.1' ")
    username = input("Enter username:'user' ")
    password = input("Enter password:'pass' ")

    # Create instance of SSHClient object
    remote_conn_pre = paramiko.SSHClient()

    # Automatically add untrusted hosts (make sure okay for security policy in your environment)
    remote_conn_pre.set_missing_host_key_policy(
         paramiko.AutoAddPolicy())

    # initiate SSH connection
    remote_conn_pre.connect(ip, username=username, password=password)
    print "SSH connection established to %s" % ip

    # Use invoke_shell to establish an 'interactive session'
    remote_conn = remote_conn_pre.invoke_shell()
    print "Interactive SSH session established"

    # Strip the initial router prompt
    output = remote_conn.recv(1000)

    # See what we have
    print output

    # Turn off paging
    disable_paging(remote_conn)

    # Now let's try to send the router a command
    remote_conn.send("\n")
    remote_conn.send("show ver | i uptime \n")

    # Wait for the command to complete
    time.sleep(2)
    
    output = remote_conn.recv(5000)
    #print output
    # Add output to 'data'
    data = []
    data.append(output)
    
    #ADD CSV output file
    header = ["Device" , "Uptime"]
    with open('output.csv', 'wb') as csvfile:
	spamwriter = csv.writer(csvfile, dialect='excel')
	spamwriter.writerow(header)
	for row in data:
	    spamwriter.writerow(row)