def setup(self):
log.debug('Setting network options for media downloads')
nicChoices = userchoices.getDownloadNic()
nic = nicChoices.get('device', None)
if nic and not nic.isLinkUp:
failWithLog(('The specified network interface card (Name: %s'
' MAC Address: %s) is not plugged in.'
' Installation cannot continue as requested') %\
(nic.name, nic.macAddress))
elif not nic and not networking.getPluggedInAvailableNIC(None):
# Check for an available NIC before we go further.
# It's best to fail early and provide a descriptive error
failWithLog('This system does not have a network interface'
' card that is plugged in, or all network'
' interface cards are already claimed. '
' Installation cannot continue as requested')
# Create a netmask if it was left out
ip = nicChoices.get('ip', None)
netmask = nicChoices.get('netmask', None)
if netmask and not ip:
failWithLog('Netmask specified, but no IP given.')
if ip and not netmask:
log.warn('IP specified, but no netmask given. Guessing netmask.')
try:
netmask = networking.utils.calculateNetmask(ip)
except ValueError, ex:
msg = ((genericErr + ' A netmask could not be created.')
% ('IP Address', str(ex)))
failWithLog(msg)
nicChoices.update(netmask=netmask)
userchoices.setDownloadNic(**nicChoices)
def updateNicChoices(self, **kwargs):
self.needed = True
nicChoices = userchoices.getDownloadNic()
if not nicChoices:
# was empty - this is the first time populating it.
newArgs = dict(device='', vlanID='') #set defaults
else:
newArgs = nicChoices
newArgs.update(kwargs)
userchoices.setDownloadNic(**newArgs)