- def get_next_subnet(self, controller=None):
- # limit ourself to 10.0.x.x for now
- valid_subnet = lambda net: net.startswith('10.0')
- driver = self.driver.admin_driver(controller=controller)
- subnets = driver.shell.quantum.list_subnets()['subnets']
- ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
- if valid_subnet(subnet['cidr'])]
- ints.sort()
- if ints:
- last_ip = IPAddress(ints[-1])
- else:
- last_ip = IPAddress('10.0.0.1')
- last_ip = IPAddress(ints[-1])
- last_network = IPNetwork(str(last_ip) + "/24")
- next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
- return next_network
-
-