Python script using IPMI to determine position of sleds in Nokia OpenEdge chassis

gistfile1.txt

#!/usr/bin/env python3

import getpass
import ipaddress
from multiprocessing import Pool
import subprocess

pingcommand = 'ping -c 1 -w 1 %s'
sledcommand = 'ipmitool -H %s -U %s -P %s -I lanplus raw 0x30 0xe1 %d'

def run(command):
    cmd = command.split(' ')
    output = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    return output.stdout.decode()

def getsledid(host):
    if ' 0% packet loss' in run(pingcommand % host):
        print('Sending IPMI to', host, '       (15 second timeout if host does not respond)')
    try:
        sledid = 0
        bitposition = 0
        for i in [123, 124, 125]:
           bit =  run(sledcommand % (host, userid, password, i)).split(' ')[2]
           sledid += int(bit) * 2**bitposition
           bitposition += 1
        return 'Host %s is in sled position: %d\n' % (host,sledid)
    except:
        pass

userid = input('Enter BMC userid: ')
password = getpass.getpass('Enter BMC password: ')
subnet = input('Enter BMC subnet: ')
n = ipaddress.IPv4Network(subnet)

hosts = [str(h) for h in n.hosts()]
p = Pool(len(hosts))
ret = p.map(getsledid, hosts)

print(''.join([s for s in ret if s is not None]))