proper instance status handling

This would fix the exception happening in the SDNVPN CI testsuite.
Example: http://artifacts.opnfv.org/logs/functest/lf-pod1/2018-01-21_17-18-06/bgpvpn.log

Change-Id: Ie22dcdbba5299177d4e98e5995433553df5bfa68
Signed-off-by: Periyasamy Palanisamy <periyasamy.palanisamy@ericsson.com>

diff --git a/functest/utils/openstack_utils.py b/functest/utils/openstack_utils.py
index 1d7cdaf..655ca46 100644 (file)
--- a/functest/utils/openstack_utils.py
+++ b/functest/utils/openstack_utils.py
@@ -519,7 +519,10 @@ def create_instance_and_wait_for_active(flavor_name,
     count = VM_BOOT_TIMEOUT / SLEEP
     for n in range(count, -1, -1):
         status = get_instance_status(nova_client, instance)
-        if status.lower() == "active":
+        if status is None:
+            time.sleep(SLEEP)
+            continue
+        elif status.lower() == "active":
             return instance
         elif status.lower() == "error":
             logger.error("The instance %s went to ERROR status."