A simple script that parses data from the show "mac address-table" command of Dell Poweredge 5548 switch, and updates a specific network switch object in Racktables.

racktables.py

#! /usr/bin/env python

""" racktables.py

Simple script that parses data from 'show mac address-table' command of Dell
Poweredge 5548 switch, and updates the Racktables DB accordingly

a.tzermias@tophost.gr
"""

import MySQLdb

# Replace DB credentials with your own.
host='localhost'
user='racktables_user'
passwd='racktables_password'
port=3306
DB='racktables'

# Replace these as well
filename = 'test-table'
remote_object_id = 214

def insert_link(c,mac_addr,object_id,port_name):
    """ insert_link

    Insert a link between the object containing a MAC address specified in
    mac_addr with the ID of the remote object in object_id (must previously know the
    object_id of the object.)
    Port name is the name of the port (that will be created) in the remote
    object.
    """
    #Strip semicolons from the mac_addr
    mac_addr=mac_addr.replace(':','')

    lines = c.execute('select id from Port where l2address=%s', (mac_addr,))
    if lines == 0:
        print "No object with the MAC address %s has been found!" % mac_addr
        return 1
    
    local_obj = c.fetchone()[0]

    #Check if a name with port_name exists on the remote object, or insert it.
    remote_port_id=0
    if c.execute(""" select id from Port where object_id=%s and name=%s """,
            (object_id,port_name)) == 0:
        #Insert a new port with port_name and get the port_name id
        c.execute(""" insert into Port (object_id,name,iif_id,type) values
        (%s,%s,1,24) """, (object_id, port_name) )
        c.execute(""" select id from Port where object_id=%s and name=%s """, 
                (object_id,port_name))
        remote_port_id = c.fetchone()[0]
    else:
        remote_port_id = c.fetchone()[0]
   
    #Make the connection between the two IDs
    print "Connecting port %s" % port_name
    c.execute(""" insert ignore into Link (porta,portb,cable) values (%s,%s,'')
            """, (local_obj,remote_port_id))


def main():
    #filename = 'mac-address-table'
    # Connect to DB
    db=MySQLdb.connect(host=host,user=user,passwd=passwd,port=port,db=DB)
    c=db.cursor()

    #TEST
    #insert_link(c,'90:1B:0E:15:4B:E9',211,'gi1/0/39')

    with open(filename,'r') as f:
        for line in f.readlines():
            # Works only if input contains 2 columns with the first containing
            # the MAC address and the second contains the port name.
            #FIXME: Use re instead
            line = line.replace('\n','')
            columns = line.split(' ')
#            print columns
            insert_link(c, columns[0], remote_object_id, columns[1])


    db.commit()
    c.close()
    db.close()

if __name__ == '__main__':
    main()

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