plstackapi/core/models/sliver.py

   1 import os
   2 from django.db import models
   3 from plstackapi.core.models import PlCoreBase
   4 from plstackapi.core.models import Flavor
   5 from plstackapi.core.models import Image
   6 from plstackapi.core.models import Key
   7 from plstackapi.core.models import Slice
   8 from plstackapi.core.models import Node
   9 from plstackapi.core.models import Site
  10 from plstackapi.core.models import DeploymentNetwork
  11 from plstackapi.openstack.driver import OpenStackDriver
  12
  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     flavor = models.ForeignKey(Flavor, related_name='sliver_flavor')
  18     image = models.ForeignKey(Image, related_name='sliver_image')
  19     key = models.ForeignKey(Key, related_name='sliver_key')
  20     slice = models.ForeignKey(Slice, related_name='sliver_slice')
  21     node = models.ForeignKey(Node, related_name='sliver_node')
  22     site = models.ForeignKey(Site, related_name='sliver_site')
  23     deploymentNetwork = models.ForeignKey(DeploymentNetwork, related_name='sliver_deploymentNetwork')
  24
  25     def __unicode__(self):  return u'%s::%s' % (self.slice, self.siteDeploymentNetwork)
  26
  27     def save(self, *args, **kwds):
  28         driver  = OpenStackDriver()
  29         instance = driver.spawn_instances(name=self.name,
  30                                           keyname=self.name,
  31                                           hostnames=self.node.name,
  32                                           flavor=self.flavor.name,
  33                                           image=self.image.name)
  34         self.instance_id = instance.id
  35         super(Sliver, self).save(*args, **kwds)
  36
  37     def delete(self, *args, **kwds):
  38         driver  = OpenStackDriver()
  39         driver.destroy_instance(name=self.name, id=self.instance_id)
  40         super(Sliver, self).delete(*args, **kwds)
  41