diff --git a/plstackapi/core/admin.py b/plstackapi/core/admin.py
index 58f5f58..e332c29 100644
--- a/plstackapi/core/admin.py
+++ b/plstackapi/core/admin.py
@@ -144,9 +144,9 @@
             if obj is None:
                 continue
             # give inline object access to driver and caller
-            client = OpenStackClient(tenant=request.user.site.login_base, **request.session.get('auth', {}))
-            inline.model.driver = OpenStackDriver(client=client)
-            inline.model.caller = request.user
+            auth = request.session.get('auth', {})
+            auth['tenant'] = request.user.site.login_base
+            inline.model.os_manager = OpenStackManager(auth=auth, caller=request.user)
             yield inline.get_formset(request, obj)
 
 class SitePrivilegeAdmin(PlanetStackBaseAdmin):
diff --git a/plstackapi/core/models/site.py b/plstackapi/core/models/site.py
index 76cc0a4..2c60e16 100644
--- a/plstackapi/core/models/site.py
+++ b/plstackapi/core/models/site.py
@@ -21,26 +21,12 @@
     def __unicode__(self):  return u'%s' % (self.name)
 
     def save(self, *args, **kwds):
-        if not self.tenant_id:
-            tenant = self.driver.create_tenant(tenant_name=self.login_base, 
-                                               description=self.name, 
-                                               enabled=self.enabled)
-            self.tenant_id = tenant.id
-            # give caller an admin role at the tenant they've created
-            self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
-             
-        # update the record
-        if self.id:
-            self.driver.update_tenant(self.tenant_id, 
-                                      description=self.name,
-                                      enabled=self.enabled)
-
+        self.os_manager.save_site(self)
         super(Site, self).save(*args, **kwds)               
 
 
     def delete(self, *args, **kwds):
-        if self.tenant_id:
-            self.driver.delete_tenant(self.tenant_id)
+        self.os_manager.delete_site(self)
         super(Site, self).delete(*args, **kwds)