Siobhan Tully | 4bc09f2 | 2013-04-10 21:15:21 -0400 | [diff] [blame^] | 1 | import os |
| 2 | from django.db import models |
| 3 | from plstackapi.core.models import PlCoreBase |
| 4 | from plstackapi.core.models import Slice |
| 5 | from plstackapi.openstack.driver import OpenStackDriver |
| 6 | |
| 7 | # Create your models here. |
| 8 | |
| 9 | class Subnet(PlCoreBase): |
| 10 | subnet_id = models.CharField(max_length=256, unique=True) |
| 11 | cidr = models.CharField(max_length=20) |
| 12 | ip_version = models.IntegerField() |
| 13 | start = models.IPAddressField() |
| 14 | end = models.IPAddressField() |
| 15 | slice = models.ForeignKey(Slice, related_name='slice_subnet') |
| 16 | |
| 17 | def __unicode__(self): return u'%s' % (self.name) |
| 18 | |
| 19 | def save(self, *args, **kwargs): |
| 20 | driver = OpenStackDriver() |
| 21 | if not self.id: |
| 22 | subnet = driver.create_subnet(network_name=self.slice.name, |
| 23 | cidr_ip = self.cidr, |
| 24 | ip_version=self.ip_version, |
| 25 | start = self.start, |
| 26 | end = self.end) |
| 27 | |
| 28 | self.subnet_id = subnet.id |
| 29 | |
| 30 | # add subnet as interface to slice router |
| 31 | driver.add_router_interface(self.slice.router_id, subnet.id) |
| 32 | |
| 33 | super(Subnet, self).save(*args, **kwargs) |
| 34 | |
| 35 | |
| 36 | def delete(self, *args, **kwargs): |
| 37 | # delete quantum network |
| 38 | driver = OpenStackDriver() |
| 39 | driver.delete_subnet(self.subnet_id) |
| 40 | driver.delete_router_interface(self.slice.router_id, self.subnet.id) |
| 41 | super(Subnet, self).delete(*args, **kwargs) |