def _getConfSubnets():
subnetTemplate = """
subnet %(subnet)s netmask %(netmask)s {
option routers %(routers)s;
}
"""
subnet = ''
# All net types are defined together with NATing. Assuming NATing for
# Local net type. Need to create a shared network.
if Util.isTrueConfVal(self.nat) and _isAllDhcpGroupsDefined(dhcpGroups):
subnet = """
shared-network StratusLab-LAN {
"""
for _type in self.NET_TYPES_DHCP:
subnet += subnetTemplate % {
'subnet' : getattr(self, self._assembleDhcpAttributeName('%sSubnet' % _type)),
'netmask' : getattr(self, self._assembleDhcpAttributeName('%sNetmask' % _type)),
'routers' : getattr(self, self._assembleDhcpAttributeName('%sRouters' % _type))}
subnet += "}\n"
elif Util.isTrueConfVal(self.nat) and dhcpGroups['OneLocalNetwork']:
subnet = """
shared-network StratusLab-LAN {
"""
# main interface
subnet += """
subnet %(subnet)s netmask %(netmask)s {
}
""" % {'subnet' : self.dhcpSubnet,
'netmask' : self.dhcpNetmask}
# virtual interface
natGateway = getattr(self, 'natGateway', '')
if not natGateway:
natGateway = Util.gatewayIpFromNetAddress(self.natNetwork)
subnet += subnetTemplate % {'subnet' : self.natNetwork,
'netmask' : self.natNetmask,
'routers' : natGateway}
subnet += "}\n"
elif dhcpGroups['OnePublicNetwork']:
# main interface
subnet += """
subnet %(subnet)s netmask %(netmask)s {
}
""" % {'subnet' : self.dhcpSubnet,
'netmask' : self.dhcpNetmask}
elif dhcpGroups['OneLocalNetwork']:
# virtual interface
subnet = subnetTemplate % {
'subnet' : self.dhcpOneLocalNetworkSubnet,
'netmask' : self.dhcpOneLocalNetworkNetmask,
'routers' : self.dhcpOneLocalNetworkRouters}
else:
Util.printWarning('Invalid parameters combination to configure DHCP.')
return subnet
def _configureFirewallNatNetworking(self):
self._enableIpForwarding()
device = self.natNetworkInterface
ip = getattr(self, "natGateway", "")
if not ip:
ip = Util.gatewayIpFromNetAddress(self.natNetwork)
self._configureVirtualNetInterface(device, ip, self.natNetmask)
def testGatewayIpFromNetAddress(self):
self.assertEqual(Util.gatewayIpFromNetAddress('0.0.0.0'), '0.0.0.1')
