Catch keyerrors.

util/vpc-tools/abbey.py

@@ -407,6 +407,7 @@ def poll_sqs_ansible():
 
         now = int(time.time())
         if buf:
+            try:
                 if (now - max([msg['recv_ts'] for msg in buf])) > args.msg_delay:
                     # sort by TS instead of recv_ts
                     # because the sqs timestamp is not as
@@ -461,6 +462,8 @@ def poll_sqs_ansible():
                         completed += 1
                         if completed >= NUM_PLAYBOOKS:
                             return (to_disp['msg']['TS'], task_report)
+            except KeyError:
+                print "Failed to print status from message: {}".format(to_disp)
 
         if not messages:
             # wait 1 second between sqs polls