Merge lp:~codehelp/lava-scheduler/group-size-limit into lp:lava-scheduler

[Neil Williams]

Raise an exception if the group_size would be one or less in a MultiNode job.

[Senthil Kumaran S (stylesen)]

Looks good.

review: Approve

=== modified file 'lava_scheduler_app/utils.py'
--- lava_scheduler_app/utils.py	2013-09-12 07:07:01 +0000
+++ lava_scheduler_app/utils.py	2013-09-12 08:52:25 +0000
@@ -22,7 +22,7 @@
 import socket
 import urlparse
 import simplejson
-
+from models import JSONDataError
 
 def rewrite_hostname(result_url):
     """If URL has hostname value as localhost/127.0.0.*, change it to the
@@ -74,6 +74,8 @@
     group_count = 0
     for clients in json_jobdata["device_group"]:
         group_count += int(clients["count"])
+    if group_count <= 1:
+        raise JSONDataError("Only one device requested in a MultiNode job submission.")
     for clients in json_jobdata["device_group"]:
         role = str(clients["role"])
         count = int(clients["count"])