Bug fix: Add iteration to check RSP config in ODL

JIRA: SFC-110

Sometimes the test is quicker than ODL and when it checks the configured RSP,
that configuration has not yet been submitted in ODL, thus ODL replies with an
empty list. We add an iteration to try again for a couple of times

Change-Id: I21e4ac3fc3a919791daa7e41cb2953f7565c4ebb
Signed-off-by: Manuel Buil <mbuil@suse.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/sfc/lib/utils.py b/sfc/lib/utils.py
index 9d44b3eb..e406568f 100644
--- a/sfc/lib/utils.py
+++ b/sfc/lib/utils.py
@@ -500,7 +500,14 @@ def wait_for_classification_rules(ovs_logger, compute_nodes, odl_ip, odl_port,
             raise Exception("No compute where the client is was found")
 
         # Find the configured rsps in ODL. Its format is nsp_destPort
-        promised_rsps = promised_rsps_in_computes(odl_ip, odl_port)
+        promised_rsps = []
+        timeout2 = 10
+        while not promised_rsps:
+            promised_rsps = promised_rsps_in_computes(odl_ip, odl_port)
+            timeout2 -= 1
+            if timeout2 == 0:
+                raise Exception("RSPs not configured in ODL")
+            time.sleep(3)
 
         while timeout > 0:
             logger.info("RSPs in ODL Operational DataStore:")