2 from django.db import models
3 from django.core import exceptions
4 from core.models import PlCoreBase
5 from core.models import Image
6 from core.models import Slice
7 from core.models import Node
8 from core.models import Site
9 from core.models import Deployment
10 from core.models import User
11 from core.models import Tag
12 from django.contrib.contenttypes import generic
14 # Create your models here.
15 class Sliver(PlCoreBase):
16 instance_id = models.CharField(null=True, blank=True, max_length=200, help_text="Nova instance id")
17 name = models.CharField(max_length=200, help_text="Sliver name")
18 instance_name = models.CharField(blank=True, null=True, max_length=200, help_text="OpenStack generated name")
19 ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
20 image = models.ForeignKey(Image, related_name='slivers')
21 #key = models.ForeignKey(Key, related_name='slivers')
22 creator = models.ForeignKey(User, related_name='slivers', blank=True, null=True)
23 slice = models.ForeignKey(Slice, related_name='slivers')
24 node = models.ForeignKey(Node, related_name='slivers')
25 deploymentNetwork = models.ForeignKey(Deployment, verbose_name='deployment', related_name='sliver_deploymentNetwork')
26 numberCores = models.IntegerField(verbose_name="Number of Cores", help_text="Number of cores for sliver", default=0)
27 tags = generic.GenericRelation(Tag)
28 userData = models.TextField(blank=True, null=True, help_text="user_data passed to instance during creation")
30 def __unicode__(self):
31 if self.instance_name:
32 return u'%s' % (self.instance_name)
34 return u'uninstantiated-%s' % str(self.id)
36 return u'unsaved-sliver on %s' % self.slice.name
38 return u'unsaved-sliver'
40 def save(self, *args, **kwds):
42 self.name = self.slice.name
43 if not self.creator and hasattr(self, 'caller'):
44 self.creator = self.caller
45 self.deploymentNetwork = self.node.deployment
47 # XXX smbaker - disabled for now, was causing fault in tenant view create slice
48 # if not self.deploymentNetwork.test_acl(slice=self.slice):
49 # raise exceptions.ValidationError("Deployment %s's ACL does not allow any of this slice %s's users" % (self.deploymentNetwork.name, self.slice.name))
51 super(Sliver, self).save(*args, **kwds)
53 def can_update(self, user):
54 return self.slice.can_update(user)
57 def select_by_user(user):
59 qs = Sliver.objects.all()
61 slices = Slice.select_by_user(user)
62 qs = Sliver.objects.filter(slice__in=slices)