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 core.models import Flavor
13 from django.contrib.contenttypes import generic
15 def get_default_flavor(deployment = None):
16 # Find a default flavor that can be used for a sliver. This is particularly
17 # useful in evolution. It's also intended this helper function can be used
18 # for admin.py when users
21 flavors = deployment.flavors.all()
23 flavors = Flavor.objects.all()
28 for flavor in flavors:
34 # Create your models here.
35 class Sliver(PlCoreBase):
36 instance_id = models.CharField(null=True, blank=True, max_length=200, help_text="Nova instance id")
37 name = models.CharField(max_length=200, help_text="Sliver name")
38 instance_name = models.CharField(blank=True, null=True, max_length=200, help_text="OpenStack generated name")
39 ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
40 image = models.ForeignKey(Image, related_name='slivers')
41 #key = models.ForeignKey(Key, related_name='slivers')
42 creator = models.ForeignKey(User, related_name='slivers', blank=True, null=True)
43 slice = models.ForeignKey(Slice, related_name='slivers')
44 node = models.ForeignKey(Node, related_name='slivers')
45 deploymentNetwork = models.ForeignKey(Deployment, verbose_name='deployment', related_name='sliver_deploymentNetwork')
46 numberCores = models.IntegerField(verbose_name="Number of Cores", help_text="Number of cores for sliver", default=0)
47 flavor = models.ForeignKey(Flavor, help_text="Flavor of this instance", default=get_default_flavor)
48 tags = generic.GenericRelation(Tag)
49 userData = models.TextField(blank=True, null=True, help_text="user_data passed to instance during creation")
51 def __unicode__(self):
52 if self.instance_name:
53 return u'%s' % (self.instance_name)
55 return u'uninstantiated-%s' % str(self.id)
57 return u'unsaved-sliver on %s' % self.slice.name
59 return u'unsaved-sliver'
61 def save(self, *args, **kwds):
62 self.name = self.slice.slicename
63 if not self.creator and hasattr(self, 'caller'):
64 self.creator = self.caller
65 self.deploymentNetwork = self.node.deployment
67 # XXX smbaker - disabled for now, was causing fault in tenant view create slice
68 # if not self.deploymentNetwork.test_acl(slice=self.slice):
69 # raise exceptions.ValidationError("Deployment %s's ACL does not allow any of this slice %s's users" % (self.deploymentNetwork.name, self.slice.name))
71 super(Sliver, self).save(*args, **kwds)
73 def can_update(self, user):
74 return self.slice.can_update(user)
78 for ns in self.networksliver_set.all():
79 ips[ns.network.name] = ns.ip
82 def all_ips_string(self):
85 for key in sorted(ips.keys()):
86 #result.append("%s = %s" % (key, ips[key]))
87 result.append(ips[key])
88 return ", ".join(result)
89 all_ips_string.short_description = "addresses"
92 def select_by_user(user):
94 qs = Sliver.objects.all()
96 slices = Slice.select_by_user(user)
97 qs = Sliver.objects.filter(slice__in=slices)