Create a common network for functest for all the tests

Some installers provide a private network by default,
if that is the case, it will not create another one.
This is needed for Rally/Tempest to work.

Removed from vPing test case, since it will use that network as well.

Change-Id: Iaff8a9e18026fe5aba31e567a4a8d5faf4a0bb6b
Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/testcases/functest_utils.py b/testcases/functest_utils.py
index d09ae8312..7dce96da1 100644
--- a/testcases/functest_utils.py
+++ b/testcases/functest_utils.py
@@ -250,6 +250,17 @@ def update_sg_quota(neutron_client, tenant_id, sg_quota, sg_rule_quota):
         print "Error:", sys.exc_info()[0]
         return False
 
+
+def get_private_net(neutron_client):
+    # Checks if there is an existing private network
+    networks = neutron_client.list_networks()['networks']
+    if len(networks) == 0:
+        return None
+    for net in networks:
+        if net['router:external'] == False:
+            return net
+    return None
+
 # ################ GLANCE #################