+ def save(self, *args, **kwds):
+
+ driver = OpenStackDriver()
+ if not self.subnet_id:
+ quantum_subnet = driver.create_subnet(name= self.slice.name,
+ network_id=self.slice.network_id,
+ cidr_ip = self.cidr,
+ ip_version=self.ip_version,
+ start = self.start,
+ end = self.end)
+ self.subnet_id = quantum_subnet['id']
+ # add subnet as interface to slice's router
+ driver.add_router_interface(self.slice.router_id, self.subnet_id)
+ add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
+ commands.getstatusoutput(add_route)
+
+ super(Subnet, self).save(*args, **kwds)
+
+ def delete(self, *args, **kwds):
+ driver = OpenStackDriver()
+ if self.subnet_id:
+ #driver.delete_router_interface(self.slice.router_id, self.subnet_id)
+ driver.delete_subnet(self.subnet_id)
+ del_route = 'route del -net %s' % self.cidr
+ commands.getstatusoutput(del_route)
+ super(Subnet, self).delete(*args, **kwds)