2 from django.db import models
3 from django.core import exceptions
4 from plstackapi.core.models import PlCoreBase
5 from plstackapi.core.models import Flavor
6 from plstackapi.core.models import Image
7 from plstackapi.core.models import Key
8 from plstackapi.core.models import Slice
9 from plstackapi.core.models import Node
10 from plstackapi.core.models import Site
11 from plstackapi.core.models import DeploymentNetwork
12 from plstackapi.openstack.driver import OpenStackDriver
14 # Create your models here.
15 class Sliver(PlCoreBase):
16 instance_id = models.CharField(max_length=200, help_text="Nova instance id")
17 name = models.CharField(max_length=200, help_text="Sliver name")
18 ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
19 flavor = models.ForeignKey(Flavor, related_name='slivers')
20 image = models.ForeignKey(Image, related_name='slivers')
21 key = models.ForeignKey(Key, related_name='slivers')
22 slice = models.ForeignKey(Slice, related_name='slivers')
23 node = models.ForeignKey(Node, related_name='slivers')
24 deploymentNetwork = models.ForeignKey(DeploymentNetwork, related_name='sliver_deploymentNetwork')
26 def __unicode__(self): return u'%s::%s' % (self.slice, self.deploymentNetwork)
28 def save(self, *args, **kwds):
29 if not self.slice.subnet.exists():
30 raise exceptions.ValidationError, "Slice %s has no subnet" % self.slice.name
32 if not self.instance_id:
33 driver = OpenStackDriver()
34 instance = driver.spawn_instance(name=self.name,
35 key_name = self.key.name,
36 flavor_id = self.flavor.flavor_id,
37 image_id = self.image.image_id,
38 hostname = self.node.name )
39 self.instance_id = instance.id
41 super(Sliver, self).save(*args, **kwds)
43 def delete(self, *args, **kwds):
44 driver = OpenStackDriver()
46 driver.destroy_instance(self.instance_id)
48 super(Sliver, self).delete(*args, **kwds)