planetstack/core/models/sliver.py

   1 import os
   2 from django.db import models
   3 from django.core import exceptions
   4 from core.models import PlCoreBase
   5 from core.models import Image
   6 from core.models import Key
   7 from core.models import Slice
   8 from core.models import Node
   9 from core.models import Site
  10 from core.models import DeploymentNetwork
  11 from openstack.manager import OpenStackManager
  12
  13 # Create your models here.
  14 class Sliver(PlCoreBase):
  15     instance_id = models.CharField(null=True, blank=True, max_length=200, help_text="Nova instance id")
  16     name = models.CharField(max_length=200, help_text="Sliver name")
  17     instance_name = models.CharField(blank=True, null=True, max_length=200, help_text="OpenStack generated name")
  18     ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
  19     image = models.ForeignKey(Image, related_name='slivers')
  20     key = models.ForeignKey(Key, related_name='slivers')
  21     slice = models.ForeignKey(Slice, related_name='slivers')
  22     node = models.ForeignKey(Node, related_name='slivers')
  23     deploymentNetwork = models.ForeignKey(DeploymentNetwork, verbose_name='deployment', related_name='sliver_deploymentNetwork')
  24     numberCores = models.IntegerField(verbose_name="Number of Cores", help_text="Number of cores for sliver", default=0)
  25
  26
  27     def __unicode__(self):  return u'%s' % (self.instance_name)
  28
  29     def save(self, *args, **kwds):
  30         if not self.name:
  31             self.name = self.slice.name
  32         if not hasattr(self, 'os_manager'):
  33             setattr(self, 'os_manager', OpenStackManager())
  34             self.os_manager.save_sliver(self)
  35         super(Sliver, self).save(*args, **kwds)
  36
  37     def delete(self, *args, **kwds):
  38         if not hasattr(self, 'os_manager'):
  39             setattr(self, 'os_manager', OpenStackManager())
  40             self.os_manager.delete_sliver(self)
  41         super(Sliver, self).delete(*args, **kwds)