3 from django.db import models
4 from plstackapi.core.models import PlCoreBase
5 from plstackapi.core.models import Slice
6 from plstackapi.openstack.driver import OpenStackDriver
8 # Create your models here.
10 class Subnet(PlCoreBase):
11 subnet_id = models.CharField(max_length=256, unique=True)
12 cidr = models.CharField(max_length=20)
13 ip_version = models.IntegerField()
14 start = models.IPAddressField()
15 end = models.IPAddressField()
16 slice = models.ForeignKey(Slice, related_name='subnet')
18 def __unicode__(self): return u'%s' % (self.slice.name)
20 def save(self, *args, **kwds):
22 driver = OpenStackDriver()
23 if not self.subnet_id:
24 quantum_subnet = driver.create_subnet(name= self.slice.name,
25 network_id=self.slice.network_id,
27 ip_version=self.ip_version,
30 self.subnet_id = quantum_subnet['id']
31 # add subnet as interface to slice's router
32 driver.add_router_interface(self.slice.router_id, self.subnet_id)
33 add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
34 commands.getstatusoutput(add_route)
36 super(Subnet, self).save(*args, **kwds)
38 def delete(self, *args, **kwds):
39 driver = OpenStackDriver()
41 driver.delete_router_interface(self.slice.router_id, self.subnet_id)
42 driver.delete_subnet(self.subnet_id)
43 del_route = 'route del -net %s' % self.cidr
44 commands.getstatusoutput(del_route)
45 super(Subnet, self).delete(*args, **kwds)