Draft for cloud-init file generation

Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>
Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>
Change-Id: I07f3a4a1ab67531cba2cc7e3de22e9bb860706e1
Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>

1 files changed, 9 insertions, 1 deletions

diff --git a/src/dashboard/utils.py b/src/dashboard/utils.py
index d6b697a..e9ecb4e 100644
--- a/src/dashboard/utils.py
+++ b/src/dashboard/utils.py
@@ -7,7 +7,7 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
 
-from django.core.exceptions import ObjectDoesNotExist
+from django.core.exceptions import (ObjectDoesNotExist, MultipleObjectsReturned)
 
 
 class AbstractModelQuery():
@@ -38,7 +38,15 @@ class AbstractModelQuery():
 
     @classmethod
     def get(cls, *args, **kwargs):
+        """
+        Gets a single matching resource
+        Throws ObjectDoesNotExist if none found matching, or MultipleObjectsReturned if
+        the query does not narrow to a single object
+        """
         try:
+            ls = cls.filter(*args, **kwargs)
+            if len(ls) >  1:
+                raise MultipleObjectsReturned()
             return cls.filter(*args, **kwargs)[0]
         except IndexError:
             raise ObjectDoesNotExist()