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
13 # Create your models here.
14 class Sliver(PlCoreBase):
15 instance_id = models.CharField(max_length=200, help_text="Nova instance id")
16 name = models.CharField(max_length=200, help_text="Sliver name")
17 ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
18 flavor = models.ForeignKey(Flavor, related_name='slivers')
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=2)
27 def __unicode__(self): return u'%s::%s' % (self.slice, self.deploymentNetwork)
29 def save(self, *args, **kwds):
30 if not self.slice.subnet.exists():
31 raise exceptions.ValidationError, "Slice %s has no subnet" % self.slice.name
33 if not self.instance_id:
34 instance = self.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):
45 self.driver.destroy_instance(self.instance_id)
47 super(Sliver, self).delete(*args, **kwds)