enabling dumb-init for shovel

Change-Id: I6bb546c21866f4b6d8f1095079f288945080396d
diff --git a/common/utils/consulhelpers.py b/common/utils/consulhelpers.py
index 2f1efd8..a828b3f 100644
--- a/common/utils/consulhelpers.py
+++ b/common/utils/consulhelpers.py
@@ -40,6 +40,7 @@
     if len(services) == 0:
         raise Exception(
             'Cannot find service {} in consul'.format(service_name))
+        os.exit(1)
 
     # pick a random entry
     # TODO should we prefer local IP addresses? Probably.