Refactor to /opt/planetstack, final tweaks to make sure planetstack can run in non-openstack mode, adjustments to GUI for model focus changes
diff --git a/planetstack/core/models/slice.py b/planetstack/core/models/slice.py
new file mode 100644
index 0000000..539be24
--- /dev/null
+++ b/planetstack/core/models/slice.py
@@ -0,0 +1,51 @@
+import os
+from django.db import models
+from core.models import PlCoreBase
+from core.models import Site
+from core.models import User
+from core.models import Role
+from core.models import DeploymentNetwork
+
+# Create your models here.
+
+class Slice(PlCoreBase):
+    tenant_id = models.CharField(max_length=200, help_text="Keystone tenant id")
+    name = models.CharField(unique=True, help_text="The Name of the Slice", max_length=80)
+    enabled = models.BooleanField(default=True, help_text="Status for this Slice")
+    SLICE_CHOICES = (('plc', 'PLC'), ('delegated', 'Delegated'), ('controller','Controller'), ('none','None'))
+    instantiation = models.CharField(help_text="The instantiation type of the slice", max_length=80, choices=SLICE_CHOICES)
+    omf_friendly = models.BooleanField()
+    description=models.TextField(blank=True,help_text="High level description of the slice and expected activities", max_length=1024)
+    slice_url = models.URLField(blank=True, max_length=512)
+    site = models.ForeignKey(Site, related_name='slices', help_text="The Site this Node belongs too")
+    network_id = models.CharField(max_length=256, help_text="Quantum network")
+    router_id = models.CharField(max_length=256, help_text="Quantum router id")
+
+    SVC_CLASS_CHOICES = (('besteffort', 'Best Effort'), ('silver', 'Silver'), ('gold','Gold'))
+    serviceClass = models.CharField(verbose_name="Service Class",default="besteffort",help_text="The Service Class of this slice", max_length=30, choices=SVC_CLASS_CHOICES)
+
+
+    def __unicode__(self):  return u'%s' % (self.name)
+
+    def save(self, *args, **kwds):
+        self.os_manager.save_slice(self)
+        super(Slice, self).save(*args, **kwds)
+
+    def delete(self, *args, **kwds):
+        self.os_manager.delete_slice(self)
+        super(Slice, self).delete(*args, **kwds)    
+
+class SliceMembership(PlCoreBase):
+    user = models.ForeignKey('User', related_name='slice_memberships')
+    slice = models.ForeignKey('Slice', related_name='slice_memberships')
+    role = models.ForeignKey('Role')
+
+    def __unicode__(self):  return u'%s %s %s' % (self.slice, self.user, self.role)
+
+    def save(self, *args, **kwds):
+        self.os_manager.driver.add_user_role(self.user.kuser_id, self.slice.tenant_id, self.role.role_type)
+        super(SliceMembership, self).save(*args, **kwds)
+
+    def delete(self, *args, **kwds):
+        self.os_manager.driver.delete_user_role(self.user.kuser_id, self.slice.tenant_id, self.role.role_type)
+        super(SliceMembership, self).delete(*args, **kwds)