| 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 |
| from plstackapi.core.models import Key |
| from plstackapi.core.models import Slice |
| from plstackapi.core.models import Node |
| from plstackapi.core.models import Site |
| from plstackapi.core.models import DeploymentNetwork |
| from plstackapi.openstack.driver import OpenStackDriver |
| |
| # Create your models here. |
| 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.IPAddressField(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') |
| 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) |