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Ignore and warn on bad gateway

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If user specifies a bad gateway,
spare the firmware from seeing
it and log that the gateway is a problem.
This commit is contained in:
Jarrod Johnson 2021-12-17 08:44:46 -05:00
parent 9b178c0653
commit 65d6ff13fa
1 changed files with 6 additions and 2 deletions
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8
confluent_server/confluent/discovery/protocols/pxe.py
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@ -1,6 +1,6 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2017 Lenovo
# Copyright 2017-2021 Lenovo
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -664,9 +664,13 @@ def reply_dhcp4(node, info, packet, cfg, reqview, httpboot, cfd, profile):
clipn = socket.inet_aton(niccfg['ipv4_address'])
repview[16:20] = clipn
gateway = niccfg['ipv4_gateway']
netmask = niccfg['prefix']
if gateway:
gateway = socket.inet_aton(gateway)
netmask = niccfg['prefix']
if not netutil.ipn_on_same_subnet(socket.AF_INET, clipn, gateway, netmask):
log.log(
{'warning': 'Ignoring gateway {0} due to mismatch with address {1}/{2}'.format(niccfg['ipv4_gateway'], niccfg['ipv4_address'], netmask)})
gateway = None
netmask = (2**32 - 1) ^ (2**(32 - netmask) - 1)
netmask = struct.pack('!I', netmask)
myipn = niccfg['deploy_server']