Filter out slivers not associated with a deployment

[plstackapi.git] / planetstack / core / models / sliver.py

diff --git a/planetstack/core/models/sliver.py b/planetstack/core/models/sliver.py
index 9c00cee..d9d2028 100644 (file)
--- a/planetstack/core/models/sliver.py
+++ b/planetstack/core/models/sliver.py
@@ -1,7 +1,8 @@
 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
@@ -9,11 +10,75 @@ from core.models import Site
 from core.models import Deployment
 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
+
+config = Config()
+
+def get_default_flavor(deployment = 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()
+    else:
+        flavors = Flavor.objects.all()
+
+    if not flavors:
+        return None
+
+    for flavor in flavors:
+        if flavor.default:
+            return flavor
+
+    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__deployment__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__deployment__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):
-    instance_id = models.CharField(null=True, blank=True, max_length=200, help_text="Nova instance id")    
+    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")
     ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
@@ -24,7 +89,9 @@ class Sliver(PlCoreBase):
     node = models.ForeignKey(Node, related_name='slivers')
     deploymentNetwork = models.ForeignKey(Deployment, verbose_name='deployment', related_name='sliver_deploymentNetwork')
     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)
+    userData = models.TextField(blank=True, null=True, help_text="user_data passed to instance during creation")
 
     def __unicode__(self):
         if self.instance_name:
@@ -36,10 +103,41 @@ class Sliver(PlCoreBase):
         else:
             return u'unsaved-sliver'
 
-
     def save(self, *args, **kwds):
-        if not self.name:
-            self.name = self.slice.name
+        self.name = self.slice.slicename
         if not self.creator and hasattr(self, 'caller'):
             self.creator = self.caller
+        self.deploymentNetwork = self.node.deployment
+
+# 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))
+
         super(Sliver, self).save(*args, **kwds)
+
+    def can_update(self, user):
+        return self.slice.can_update(user)
+
+    def all_ips(self):
+        ips={}
+        for ns in self.networksliver_set.all():
+           ips[ns.network.name] = ns.ip
+        return ips
+
+    def all_ips_string(self):
+        result = []
+        ips = self.all_ips()
+        for key in sorted(ips.keys()):
+            #result.append("%s = %s" % (key, ips[key]))
+            result.append(ips[key])
+        return ", ".join(result)
+    all_ips_string.short_description = "addresses"
+
+    @staticmethod
+    def select_by_user(user):
+        if user.is_admin:
+            qs = Sliver.objects.all()
+        else:
+            slices = Slice.select_by_user(user)
+            qs = Sliver.objects.filter(slice__in=slices)
+        return qs