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# Configure clustered Samba nodes
# Module for handling addresses.
# Copyright (C) Amitay Isaacs 2012
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
import logging
import package
def gen_public_addresses(config, pkg, req_ips):
"""Given a config object, return the formatted public addresses."""
stack = package.get(config, pkg, "network_stack")
out = []
out6 = []
foo = package.get(config, pkg, "public_addresses")
for tmp in foo.split():
(startip, num_addrs, iface) = tmp.split(',')
(a,b,c,d) = startip.split('.')
for i in xrange(int(num_addrs)):
octet = int(d) + i
if stack == 'ipv4' and req_ips == 'default':
out.append('%s.%s.%s.%d/24 %s\n' % (a, b, c, octet, iface))
elif stack == 'ipv6' and req_ips == 'default':
out6.append('fc00:%s:%s:%s::%s/64 %s\n' % (a, b, c, octet, iface))
elif stack == 'dual':
if req_ips in ['ipv4', 'dual', 'default']:
out.append('%s.%s.%s.%d/24 %s\n' % (a, b, c, octet, iface))
if req_ips in ['ipv6', 'dual', 'default']:
out6.append('fc00:%s:%s:%s::%s/64 %s\n' % (a, b, c, octet, iface))
# Special case: if the file would be empty then it should be there...
ret = "".join(out) + "".join(out6)
if ret:
return ret
else:
return None
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