planetstack/core/models/subnet.py

   1 import os
   2 import commands
   3 from django.db import models
   4 from core.models import PlCoreBase
   5 from core.models import Slice
   6 from openstack.manager import OpenStackManager
   7
   8 # Create your models here.
   9
  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')
  17
  18     def __unicode__(self):  return u'%s' % (self.slice.name)
  19
  20     def save(self, *args, **kwds):
  21         if not hasattr(self, 'os_manager'):
  22             setattr(self, 'os_manager', OpenStackManager())
  23             self.os_manager.save_subnet(self)
  24         super(Subnet, self).save(*args, **kwds)
  25
  26     def delete(self, *args, **kwds):
  27         if not hasattr(self, 'os_manager'):
  28             setattr(self, 'os_manager', OpenStackManager())
  29             self.os_manager.delete_subnet(self)
  30         super(Subnet, self).delete(*args, **kwds)