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confluent/confluent_client/samples/nodeattrib_from_switch.py
Jarrod Johnson 44d6bde3ff Make /usr/bin/env python point to python2
Same as before, more RHEL8 compatibility changes
2019-09-23 11:04:52 -04:00

36 lines
1.3 KiB
Python

#!/usr/bin/python2
# This is a sample python script for going through all observed mac addresses
# and assuming they are BMC related and printing nodeattrib commands
# for each node to access the bmc using the interface specified on the command
# line
# Not necessarily as useful if there may be mistakes in the
# net.switch/net.switchport attributes, but a handy utility in a pinch when
# you really know
import confluent.client as cl
import socket
import struct
c = cl.Command()
macs = []
interface = sys.argv[1]
for mac in c.read('/networking/macs/by-mac/'):
macs.append(mac['item']['href'])
for mac in macs:
macinfo = list(c.read('/networking/macs/by-mac/{0}'.format(mac)))[0]
if 'possiblenode' in macinfo and macinfo['possiblenode']:
if macinfo['macsonport'] > 1:
print('#Ambiguous set of macs on port for ' + macinfo[
'possiblenode'])
prefix = int(mac.replace('-', '')[:6], 16) ^ 0b100000000000000000
prefix = prefix << 8
prefix |= 0xff
suffix = int(mac.replace('-', '')[6:], 16)
suffix |= 0xfe000000
rawn = struct.pack('!QLL', 0xfe80000000000000, prefix, suffix)
bmc = socket.inet_ntop(socket.AF_INET6, rawn)
print('nodeattrib {0} bmc={1}%{2}'.format(macinfo['possiblenode'],
bmc, interface))