import os
from django.db import models
+from django.db.models import Q
from django.core import exceptions
-from core.models import PlCoreBase
+from core.models import PlCoreBase,PlCoreBaseManager,PlCoreBaseDeletionManager
from core.models import Image
from core.models import Slice
from core.models import Node
from core.models import Site
from core.models import Deployment
+from core.models import Controller
from core.models import User
from core.models import Tag
from core.models import Flavor
from django.contrib.contenttypes import generic
+from planetstack.config import Config
-def get_default_flavor(deployment = None):
+config = Config()
+
+def get_default_flavor(controller = None):
# Find a default flavor that can be used for a sliver. This is particularly
# useful in evolution. It's also intended this helper function can be used
# for admin.py when users
- if deployment:
- flavors = deployment.flavors.all()
+ if controller:
+ flavors = controller.flavors.all()
else:
flavors = Flavor.objects.all()
return flavors[0]
+class SliverDeletionManager(PlCoreBaseDeletionManager):
+ def get_queryset(self):
+ parent=super(SliverDeletionManager, self)
+ try:
+ backend_type = config.observer_backend_type
+ except AttributeError:
+ backend_type = None
+
+ parent_queryset = parent.get_queryset() if hasattr(parent, "get_queryset") else parent.get_query_set()
+ if (backend_type):
+ return parent_queryset.filter(Q(node__controller__backend_type=backend_type))
+ else:
+ return parent_queryset
+
+ # deprecated in django 1.7 in favor of get_queryset().
+ def get_query_set(self):
+ return self.get_queryset()
+
+
+class SliverManager(PlCoreBaseManager):
+ def get_queryset(self):
+ parent=super(SliverManager, self)
+
+ try:
+ backend_type = config.observer_backend_type
+ except AttributeError:
+ backend_type = None
+
+ parent_queryset = parent.get_queryset() if hasattr(parent, "get_queryset") else parent.get_query_set()
+
+ if backend_type:
+ return parent_queryset.filter(Q(node__controller__backend_type=backend_type))
+ else:
+ return parent_queryset
+
+ # deprecated in django 1.7 in favor of get_queryset().
+ def get_query_set(self):
+ return self.get_queryset()
+
# Create your models here.
class Sliver(PlCoreBase):
+ objects = SliverManager()
+ deleted_objects = SliverDeletionManager()
instance_id = models.CharField(null=True, blank=True, max_length=200, help_text="Nova instance id")
name = models.CharField(max_length=200, help_text="Sliver name")
instance_name = models.CharField(blank=True, null=True, max_length=200, help_text="OpenStack generated name")
creator = models.ForeignKey(User, related_name='slivers', blank=True, null=True)
slice = models.ForeignKey(Slice, related_name='slivers')
node = models.ForeignKey(Node, related_name='slivers')
- deploymentNetwork = models.ForeignKey(Deployment, verbose_name='deployment', related_name='sliver_deploymentNetwork')
+ controllerNetwork = models.ForeignKey(Controller, verbose_name='controller', related_name='sliver_controllerNetwork')
numberCores = models.IntegerField(verbose_name="Number of Cores", help_text="Number of cores for sliver", default=0)
flavor = models.ForeignKey(Flavor, help_text="Flavor of this instance", default=get_default_flavor)
tags = generic.GenericRelation(Tag)
self.name = self.slice.slicename
if not self.creator and hasattr(self, 'caller'):
self.creator = self.caller
- self.deploymentNetwork = self.node.deployment
+ self.controllerNetwork = self.node.controller
# XXX smbaker - disabled for now, was causing fault in tenant view create slice
-# if not self.deploymentNetwork.test_acl(slice=self.slice):
-# raise exceptions.ValidationError("Deployment %s's ACL does not allow any of this slice %s's users" % (self.deploymentNetwork.name, self.slice.name))
+# if not self.controllerNetwork.test_acl(slice=self.slice):
+# raise exceptions.ValidationError("Deployment %s's ACL does not allow any of this slice %s's users" % (self.controllerNetwork.name, self.slice.name))
super(Sliver, self).save(*args, **kwds)