Changing log level of Openstack libraries to WARNING

Change-Id: I82f0659611ca84e7a7a16f258e83fb0feb690326
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/RO-VIM-openstack/osm_rovim_openstack/vimconn_openstack.py b/RO-VIM-openstack/osm_rovim_openstack/vimconn_openstack.py
index 15ef713..dad8eb6 100644
--- a/RO-VIM-openstack/osm_rovim_openstack/vimconn_openstack.py
+++ b/RO-VIM-openstack/osm_rovim_openstack/vimconn_openstack.py
@@ -143,6 +143,9 @@
         else:
             self.endpoint_type = None
 
+        logging.getLogger('urllib3').setLevel(logging.WARNING)
+        logging.getLogger('keystoneauth').setLevel(logging.WARNING)
+        logging.getLogger('novaclient').setLevel(logging.WARNING)
         self.logger = logging.getLogger('openmano.vim.openstack')
 
         # allow security_groups to be a list or a single string