import os
from django.db import models
+from django.core import exceptions
from plstackapi.core.models import PlCoreBase
from plstackapi.core.models import Flavor
from plstackapi.core.models import Image
class Sliver(PlCoreBase):
instance_id = models.CharField(max_length=200, help_text="Nova instance id")
name = models.CharField(max_length=200, help_text="Sliver name")
+ ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
flavor = models.ForeignKey(Flavor, related_name='slivers')
image = models.ForeignKey(Image, related_name='slivers')
key = models.ForeignKey(Key, related_name='slivers')
slice = models.ForeignKey(Slice, related_name='slivers')
node = models.ForeignKey(Node, related_name='slivers')
- site = models.ForeignKey(Site, related_name='slivers')
deploymentNetwork = models.ForeignKey(DeploymentNetwork, related_name='sliver_deploymentNetwork')
def __unicode__(self): return u'%s::%s' % (self.slice, self.deploymentNetwork)
+ def save(self, *args, **kwds):
+ if not self.slice.subnet.exists():
+ raise exceptions.ValidationError, "Slice %s has no subnet" % self.slice.name
+
+ if not self.instance_id:
+ driver = OpenStackDriver()
+ instance = driver.spawn_instance(name=self.name,
+ key_name = self.key.name,
+ flavor_id = self.flavor.flavor_id,
+ image_id = self.image.image_id,
+ hostname = self.node.name )
+ self.instance_id = instance.id
+
+ super(Sliver, self).save(*args, **kwds)
+
+ def delete(self, *args, **kwds):
+ driver = OpenStackDriver()
+ if self.instance_id:
+ driver.destroy_instance(self.instance_id)
+
+ super(Sliver, self).delete(*args, **kwds)