paramiko_get_nxos_int_json.py~

import paramiko
import optparse
import time
import json
import sys


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__':

    parser = optparse.OptionParser()
    parser.add_option('-i', '--ip',dest="ip",
                          help="[Mandatory] NXOS IP Address")
    parser.add_option('-u', '--username',dest="userName",
                          help="[Mandatory] Account Username for NXOS Login")
    parser.add_option('-p', '--password',dest="password",
                          help="[Mandatory] Account Password for NXOS Login")

    (options, args) = parser.parse_args()
    
    if not options.ip:
        parser.print_help()
        parser.error("Provide NXOS IP Address")
    if not options.userName:
        parser.print_help()
        parser.error("Provide NXOS UserName")
    if not options.password:
        options.password=getpassword("NXOS Password:")

    # 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(options.ip, username=options.userName, password=options.password)
    print "--- SSH connection established to %s ---" % options.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 int brief | json \n")

    # Wait for the command to complete
    time.sleep(2)
    
    output = remote_conn.recv(50000)

    #print 'output', output

    # Get second line which is the json output
    output = output.split("\n")[2]

    int_brief = json.loads(output)

    print "--- INTERFACES that are UP --- "
    int_list = int_brief['TABLE_interface']['ROW_interface']
    for int in int_list:
      if(int['state'] == "up"):
        print int['interface']