Fix SSH host to floating IP from fixed IP

SSH cannot reach to the server, if Tempest node is different from
OpenStack node.
This test case should set floating IP to the server.
This Patche sets floating IP to the server.

Change-Id: Ib38bad9145f51b805142ee26bd02f4f0d5eee2ee
Fixes: bug #1199202
diff --git a/tempest/config.py b/tempest/config.py
index 96b144c..3018cd2 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -177,6 +177,9 @@
     cfg.IntOpt('ip_version_for_ssh',
                default=4,
                help="IP version used for SSH connections."),
+    cfg.BoolOpt('use_floatingip_for_ssh',
+                default=True,
+                help="Dose the SSH uses Floating IP?"),
     cfg.StrOpt('catalog_type',
                default='compute',
                help="Catalog type of the Compute service."),